Sealants & Silicones

26 products

  • A1 Grip & Fix Adhesive, White 290ml

    A1 Grip & Fix Adhesive, White 290ml

    11 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    Ultra-Strength Instant Grab Adhesive - Experience the next level of bonding with this powerful instant grab adhesive, engineered with advanced hybrid polymer technology. Delivering double the initial bond strength of standard grab adhesives, it securely fixes heavy materials to vertical surfaces with no slippage — removing the need for extra supports in most projects. This versatile adhesive can be applied to damp or wet surfaces, cures rapidly, and remains flexible and resilient, making it a superior alternative to nails, screws, or other mechanical fixings. It’s also solvent-free, weatherproof and resistant to water, frost and heat, making it ideal for both interior and exterior use. Perfect for professionals and DIY enthusiasts alike who demand a high-performance, reliable fixing solution. • Ultra high initial grab — bonds heavy building materials instantly without clamps or fixing tape • Exceptional strength & durability — high E-modulus, anti-pick and burglar-proof, with long-lasting elasticity • Fast curing & no shrinkage — bubble-free application that sets quickly • Weather & water resistant — performs in all conditions, from -40°C to +90°C • Neutral curing & almost odourless — safe for indoor use, non-corrosive to metals • No primer needed — adheres perfectly to most surfaces, even damp ones • Absorbs vibrations — reduces acoustic and mechanical impact • Eco-friendly formula — free from isocyanates, solvents and silicones

    11 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £4.94

  • OB1 Diamond Sealant & Adhesive, Crystal Clear 290ml

    OB1 Diamond Sealant & Adhesive, Crystal Clear 290ml

    11 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    OB1® Diamond Crystal Clear Universal Sealant & Adhesive is a high quality, hybrid based formula. This crystal clear product is phthalate, tin and solvent free and cures under the influence of humidity to form a durable elastic rubber. Suitable for both interior and exterior applications. APPLICATIONSSpecifically developed as a crystal clear universal sealant and adhesive for interior and exterior use*. Can be used for all type of non-structural sealing applications where a minimum of joint movement is expected. Can also be used to seal and bond a wide variety of common building materials. CHARACTERISTICS● Crystal clear● High UV resistance● Multi-functional sealant and adhesive● Phthalate-free, tin-free, solvent free● Suitable for internal and external use* * OB1 Diamond Universal Sealant Crystal Clear has a high resistance against UV, however we recommend when using this product outside to avoid direct UV exposure. SHELF LIFEStore between +5°C and +25°C and in shaded conditions. Shelf life is 15 months when stored as recommended in original unopened packaging.

    11 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £9.99

  • OB1 Grip & Grab Adhesive White

    OB1 Grip & Grab Adhesive, White 290ml

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    OB1® Grip & Grab Adhesive is a unique solvent free construction adhesive with an exceptionally high initial grab followed by an incredible structural bond. It can be applied to Concrete, Most Stones, Ceramic, Marble, Wood, Gypsum Board, Metals, Lead, Glass, Mirror, Plastics (Excluding Polypropylene) and any combination of the above without any additional fixings. For application advice on sandstone type materials contact our technical department.  For application advice on powder coated substrates, contact powder coating manufacturer. APPLICATIONS • Apply 450mm x 13mm bead per kilogram weight on heavy vertical bonding.• For all applications, including general building maintenance OB1® Grip & Grab Adhesive bonds non-porous stone, concrete, natural stone, gypsum board, wood, glass, polycarbonate ceramics etc. For highly porous stone please contact Technical Services via website.• As universal adhesive OB1® Grip & Grab Adhesive bonds to most surfaces and does not attack synthetic material.• On mirrors (vertical strips), on natural stone, polyester, polystyrene foam (does not bleed through).• OB1® Grip & Grab Adhesive bonds copper, lead, zinc, aluminium, stainless steel, and is resistant to vibration. DELIVERY FORM OB1® Grip & Grab Adhesive is supplied in handy environmentally friendly 290ml Cartridge. DIRECTIONS FOR USE • Cut the tube at the nose and apply with the “v” in the nozzle facing up.• Porous stone should be sealed with a good quality PVA solution.• All surfaces should be clean and dry.• It is advisable that all Metal applications should be cleaned and de-greased with OB1® Multi Surface Cleaner• Apply in vertical stripes 10–20cm apart. Do not apply in dots.

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £7.50

  • OB1 Heat Protect Fire Resistant Hybrid Sealant, White 290ml

    OB1 Heat Protect Fire Resistant Hybrid Sealant, White 290ml

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    OB1® Heat Protect Fire Resistant Hybrid Sealant is tested to EN1366-4 and absorbs movements up to 25%. Our hybrid sealant can also be applied in horizontal joints and between walls, floors or ceilings to create a fire retardant seal. It can be used for joints up to 30mm wide and when used correctly, can help prevent the spreading of fire, smoke and toxic gases. OB1® HeatProtect Fire Resistant Hybrid Sealant is almost odourless, durable and can be used in interior and exterior applications due to high UV and weather resistance. Our hybrid sealant also resists fungal growth and vermin. OB1® HeatProtect Fire Resistant Hybrid Sealant can be overpainted with most water-based and oil based paints. CHARACTERISTICS• Up to 4 hours of fire resistance • Paintable with most water and oil based paints• Not corrosive towards metals• UV, weather and water resistant • Prevents unwanted airflows• Odourless STORAGE• Store between +5°C and +25°C and in shaded conditions.• Shelf life is 18 months when stored as recommended in original unopened packaging. LIMITATIONS• Not suitable for PE, PP, PC, PMMA, PTFE, soft plastics, neoprene and bituminous substrates.

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £6.11

  • OB1 Heat Protect Instant Fire Cement 1200°C Specialist Sealant, Black 310ml

    OB1 Heat Protect Instant Fire Cement 1200°C Specialist Sealant, Black 310ml

    27 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    OB1®  HeatProtect 1200°C Instant Fire Cement Specialist Sealant was developed for sealing joints in heaters, open fire places and ovens. OB1 HeatProtect 1200°C Instant Fire Cement is a hardening, non-elastic product suitable for applications where no movement occurs. CHARACTERISTICS• Resistant to high temperatures up to 1200°C• Bonding and joining temperature resistant stones• Dries to hard, heat resistant seal • Suitable for heaters, fire places and ovens STORAGE• Store between +5°C and +25°C and in shaded conditions.• Shelf life is up to 9 months from date of production, when stored in a dry place and original unopened packaging. LIMITATIONS• Not suitable for PE, PP, PC, PMMA, PTFE, soft plastics, neoprene and bituminous substrates.• Not suitable for continuous exposure to water.

    27 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £2.99

  • OB1 Multi-Surface Construction Sealant & Adhesive Anthracite

    OB1 Multi-Surface Construction Sealant & Adhesive, Anthracite 290ml

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    WHY IS OB1® CONSTRUCTION SEALANT & ADHESIVE SO INCREDIBLE?  BONDS ALUMINIUM & WOODDepending on its moisture, softwoods and hardwoods expand and contract constantly, and some more than others. Aluminium expands and contracts in accordance to temperature. OB1® Construction Sealant & Adhesive will maintain its robust bond when cured from -40°C to +120°C and therefore is able to cope in harsh external weathering conditions and in a refrigerated environment. Its bond has the ability to elongate up to 350%. FOOD SAFE FORMULAOB1® Construction Sealant & Adhesive conforms to ISEGA Standards so it is the perfect solution for use in kitchens and food preparation areas. OB1® Construction Sealant & Adhesive bonds & seals marble, granite and quartz worktops in kitchens plus it’s guaranteed not to attack or stain surfaces. MARINE & POOL SEALANTThe original formula makes OB1® Construction Sealant & Adhesive the ideal sealant for under water applications even resistant to saltwater. Its hybrid polymer formulation can be applied under water and retains its initial bond. It also acts as a structural underwater bond in closed-face applications in swimming pools such as floor and wall tiles without the need to drain the pool. CARBON FIBRE, FIBREGLASS & GRPFor instant repair or bonding with carbon fibre materials, fibreglass and GRP, this all-in-one sealant, adhesive and filler is all you’ll ever need. OB1® Construction Sealant & Adhesive withstands vibration. PLASTIC TO METAL & STEELThe original solvent free hybrid polymer formula used in OB1® Construction Sealant & Adhesive allows flexible adhesion that can move with the expansion and contraction of metal and steel without etching or burning the surfaces. For polypropylene and polyethylene contact manufactures technical services. ENVIRONMENTALLY SOUNDOB1® Construction Sealant & Adhesive contains no solvents or isocyanates resulting in an A+ rating for air quality. It is odourless and kind to the environment as well as being safe for use in residential, domestic and industrial applications. SOLAR PANELSTypically solar panels are installed with mechanical fixings drilled into the roof substrate. They are sealed with silicone mastics which contain a solvent base. The solvent will eventually evaporate causing the mastic to collapse hence the seal/bond line failing. OB1® Construction Sealant & Adhesive does not contain any solvents so it will never crack, shrink or collapse, creating a permanent seal/bond. In addition it has a high resistance to weathering. MIRROR ADHESIVEOB1® Construction Sealant & Adhesive original formulation has no solvents or isocyanates so it will not degrade the back of mirrors. It also has an exceptionally strong initial grab. Depending on size and weight of mirror in most cases OB1® Construction Sealant & Adhesive does not require additional fixings while curing. SUPERIOR FOR BATHROOMSOB1® Construction Sealant & Adhesive features Zero VOC’s (volatile organic compounds) so it cures absolutely solid with no holes – unlike other sealants where bacteria can breed resulting in mould. OB1® Construction Sealant & Adhesive never shrinks or cracks. BONDS & SEALS LEAD FLASHINGSPerfect for roofing applications, OB1® Construction Sealant & Adhesive seals, grips and fills lead flashings to stone, brick and felt – even in the wet! FIX LEAKING GUTTERSGutters leak when the EPDM Seal degrades from exposure to the elements. Silicone sealants are often used to repair the seal, but the surface has to be dry first. Solvents within the sealant will evaporate causing it to shrink and collapse on the seal/bond line resulting in failure. OB1® Construction Sealant & Adhesive performs flawlessly even when applied under water, doesn’t contain solvents, so therefore will never shrink or crack. It’s the perfect repair for leaking gutters. GARDENING REPAIROB1® Construction Sealant & Adhesive the multi-surface garden repair product fixes your terracotta, ceramic, cracked concrete, slate and even broken pots and planters whether dry or wet. Repair garden pond ornaments even under water. OB1® Construction Sealant & Adhesive the total garden ornament repair product.

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £6.93

  • OB1 Multi-Surface Construction Sealant & Adhesive Black

    OB1 Multi-Surface Construction Sealant & Adhesive, Black 290ml

    8 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    WHY IS OB1® CONSTRUCTION SEALANT & ADHESIVE SO INCREDIBLE?  BONDS ALUMINIUM & WOODDepending on its moisture, softwoods and hardwoods expand and contract constantly, and some more than others. Aluminium expands and contracts in accordance to temperature. OB1® Construction Sealant & Adhesive will maintain its robust bond when cured from -40°C to +120°C and therefore is able to cope in harsh external weathering conditions and in a refrigerated environment. Its bond has the ability to elongate up to 350%. FOOD SAFE FORMULAOB1® Construction Sealant & Adhesive conforms to ISEGA Standards so it is the perfect solution for use in kitchens and food preparation areas. OB1® Construction Sealant & Adhesive bonds & seals marble, granite and quartz worktops in kitchens plus it’s guaranteed not to attack or stain surfaces. MARINE & POOL SEALANTThe original formula makes OB1® Construction Sealant & Adhesive the ideal sealant for under water applications even resistant to saltwater. Its hybrid polymer formulation can be applied under water and retains its initial bond. It also acts as a structural underwater bond in closed-face applications in swimming pools such as floor and wall tiles without the need to drain the pool. CARBON FIBRE, FIBREGLASS & GRPFor instant repair or bonding with carbon fibre materials, fibreglass and GRP, this all-in-one sealant, adhesive and filler is all you’ll ever need. OB1® Construction Sealant & Adhesive withstands vibration. PLASTIC TO METAL & STEELThe original solvent free hybrid polymer formula used in OB1® Construction Sealant & Adhesive allows flexible adhesion that can move with the expansion and contraction of metal and steel without etching or burning the surfaces. For polypropylene and polyethylene contact manufactures technical services. ENVIRONMENTALLY SOUNDOB1® Construction Sealant & Adhesive contains no solvents or isocyanates resulting in an A+ rating for air quality. It is odourless and kind to the environment as well as being safe for use in residential, domestic and industrial applications. SOLAR PANELSTypically solar panels are installed with mechanical fixings drilled into the roof substrate. They are sealed with silicone mastics which contain a solvent base. The solvent will eventually evaporate causing the mastic to collapse hence the seal/bond line failing. OB1® Construction Sealant & Adhesive does not contain any solvents so it will never crack, shrink or collapse, creating a permanent seal/bond. In addition it has a high resistance to weathering. MIRROR ADHESIVEOB1® Construction Sealant & Adhesive original formulation has no solvents or isocyanates so it will not degrade the back of mirrors. It also has an exceptionally strong initial grab. Depending on size and weight of mirror in most cases OB1® Construction Sealant & Adhesive does not require additional fixings while curing. SUPERIOR FOR BATHROOMSOB1® Construction Sealant & Adhesive features Zero VOC’s (volatile organic compounds) so it cures absolutely solid with no holes – unlike other sealants where bacteria can breed resulting in mould. OB1® Construction Sealant & Adhesive never shrinks or cracks. BONDS & SEALS LEAD FLASHINGSPerfect for roofing applications, OB1® Construction Sealant & Adhesive seals, grips and fills lead flashings to stone, brick and felt – even in the wet! FIX LEAKING GUTTERSGutters leak when the EPDM Seal degrades from exposure to the elements. Silicone sealants are often used to repair the seal, but the surface has to be dry first. Solvents within the sealant will evaporate causing it to shrink and collapse on the seal/bond line resulting in failure. OB1® Construction Sealant & Adhesive performs flawlessly even when applied under water, doesn’t contain solvents, so therefore will never shrink or crack. It’s the perfect repair for leaking gutters. GARDENING REPAIROB1® Construction Sealant & Adhesive the multi-surface garden repair product fixes your terracotta, ceramic, cracked concrete, slate and even broken pots and planters whether dry or wet. Repair garden pond ornaments even under water. OB1® Construction Sealant & Adhesive the total garden ornament repair product.

    8 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £6.93

  • OB1 Multi-Surface Construction Sealant & Adhesive Clear

    OB1 Multi-Surface Construction Sealant & Adhesive, Clear 290ml

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    WHY IS OB1® CONSTRUCTION SEALANT & ADHESIVE SO INCREDIBLE?  BONDS ALUMINIUM & WOODDepending on its moisture, softwoods and hardwoods expand and contract constantly, and some more than others. Aluminium expands and contracts in accordance to temperature. OB1® Construction Sealant & Adhesive will maintain its robust bond when cured from -40°C to +120°C and therefore is able to cope in harsh external weathering conditions and in a refrigerated environment. Its bond has the ability to elongate up to 350%. FOOD SAFE FORMULAOB1® Construction Sealant & Adhesive conforms to ISEGA Standards so it is the perfect solution for use in kitchens and food preparation areas. OB1® Construction Sealant & Adhesive bonds & seals marble, granite and quartz worktops in kitchens plus it’s guaranteed not to attack or stain surfaces. MARINE & POOL SEALANTThe original formula makes OB1® Construction Sealant & Adhesive the ideal sealant for under water applications even resistant to saltwater. Its hybrid polymer formulation can be applied under water and retains its initial bond. It also acts as a structural underwater bond in closed-face applications in swimming pools such as floor and wall tiles without the need to drain the pool. CARBON FIBRE, FIBREGLASS & GRPFor instant repair or bonding with carbon fibre materials, fibreglass and GRP, this all-in-one sealant, adhesive and filler is all you’ll ever need. OB1® Construction Sealant & Adhesive withstands vibration. PLASTIC TO METAL & STEELThe original solvent free hybrid polymer formula used in OB1® Construction Sealant & Adhesive allows flexible adhesion that can move with the expansion and contraction of metal and steel without etching or burning the surfaces. For polypropylene and polyethylene contact manufactures technical services. ENVIRONMENTALLY SOUNDOB1® Construction Sealant & Adhesive contains no solvents or isocyanates resulting in an A+ rating for air quality. It is odourless and kind to the environment as well as being safe for use in residential, domestic and industrial applications. SOLAR PANELSTypically solar panels are installed with mechanical fixings drilled into the roof substrate. They are sealed with silicone mastics which contain a solvent base. The solvent will eventually evaporate causing the mastic to collapse hence the seal/bond line failing. OB1® Construction Sealant & Adhesive does not contain any solvents so it will never crack, shrink or collapse, creating a permanent seal/bond. In addition it has a high resistance to weathering. MIRROR ADHESIVEOB1® Construction Sealant & Adhesive original formulation has no solvents or isocyanates so it will not degrade the back of mirrors. It also has an exceptionally strong initial grab. Depending on size and weight of mirror in most cases OB1® Construction Sealant & Adhesive does not require additional fixings while curing. SUPERIOR FOR BATHROOMSOB1® Construction Sealant & Adhesive features Zero VOC’s (volatile organic compounds) so it cures absolutely solid with no holes – unlike other sealants where bacteria can breed resulting in mould. OB1® Construction Sealant & Adhesive never shrinks or cracks. BONDS & SEALS LEAD FLASHINGSPerfect for roofing applications, OB1® Construction Sealant & Adhesive seals, grips and fills lead flashings to stone, brick and felt – even in the wet! FIX LEAKING GUTTERSGutters leak when the EPDM Seal degrades from exposure to the elements. Silicone sealants are often used to repair the seal, but the surface has to be dry first. Solvents within the sealant will evaporate causing it to shrink and collapse on the seal/bond line resulting in failure. OB1® Construction Sealant & Adhesive performs flawlessly even when applied under water, doesn’t contain solvents, so therefore will never shrink or crack. It’s the perfect repair for leaking gutters. GARDENING REPAIROB1® Construction Sealant & Adhesive the multi-surface garden repair product fixes your terracotta, ceramic, cracked concrete, slate and even broken pots and planters whether dry or wet. Repair garden pond ornaments even under water. OB1® Construction Sealant & Adhesive the total garden ornament repair product.

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £6.93

  • OB1 Multi-Surface Construction Sealant & Adhesive Grey

    OB1 Multi-Surface Construction Sealant & Adhesive, Grey 290ml

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    WHY IS OB1® CONSTRUCTION SEALANT & ADHESIVE SO INCREDIBLE?  BONDS ALUMINIUM & WOODDepending on its moisture, softwoods and hardwoods expand and contract constantly, and some more than others. Aluminium expands and contracts in accordance to temperature. OB1® Construction Sealant & Adhesive will maintain its robust bond when cured from -40°C to +120°C and therefore is able to cope in harsh external weathering conditions and in a refrigerated environment. Its bond has the ability to elongate up to 350%. FOOD SAFE FORMULAOB1® Construction Sealant & Adhesive conforms to ISEGA Standards so it is the perfect solution for use in kitchens and food preparation areas. OB1® Construction Sealant & Adhesive bonds & seals marble, granite and quartz worktops in kitchens plus it’s guaranteed not to attack or stain surfaces. MARINE & POOL SEALANTThe original formula makes OB1® Construction Sealant & Adhesive the ideal sealant for under water applications even resistant to saltwater. Its hybrid polymer formulation can be applied under water and retains its initial bond. It also acts as a structural underwater bond in closed-face applications in swimming pools such as floor and wall tiles without the need to drain the pool. CARBON FIBRE, FIBREGLASS & GRPFor instant repair or bonding with carbon fibre materials, fibreglass and GRP, this all-in-one sealant, adhesive and filler is all you’ll ever need. OB1® Construction Sealant & Adhesive withstands vibration. PLASTIC TO METAL & STEELThe original solvent free hybrid polymer formula used in OB1® Construction Sealant & Adhesive allows flexible adhesion that can move with the expansion and contraction of metal and steel without etching or burning the surfaces. For polypropylene and polyethylene contact manufactures technical services. ENVIRONMENTALLY SOUNDOB1® Construction Sealant & Adhesive contains no solvents or isocyanates resulting in an A+ rating for air quality. It is odourless and kind to the environment as well as being safe for use in residential, domestic and industrial applications. SOLAR PANELSTypically solar panels are installed with mechanical fixings drilled into the roof substrate. They are sealed with silicone mastics which contain a solvent base. The solvent will eventually evaporate causing the mastic to collapse hence the seal/bond line failing. OB1® Construction Sealant & Adhesive does not contain any solvents so it will never crack, shrink or collapse, creating a permanent seal/bond. In addition it has a high resistance to weathering. MIRROR ADHESIVEOB1® Construction Sealant & Adhesive original formulation has no solvents or isocyanates so it will not degrade the back of mirrors. It also has an exceptionally strong initial grab. Depending on size and weight of mirror in most cases OB1® Construction Sealant & Adhesive does not require additional fixings while curing. SUPERIOR FOR BATHROOMSOB1® Construction Sealant & Adhesive features Zero VOC’s (volatile organic compounds) so it cures absolutely solid with no holes – unlike other sealants where bacteria can breed resulting in mould. OB1® Construction Sealant & Adhesive never shrinks or cracks. BONDS & SEALS LEAD FLASHINGSPerfect for roofing applications, OB1® Construction Sealant & Adhesive seals, grips and fills lead flashings to stone, brick and felt – even in the wet! FIX LEAKING GUTTERSGutters leak when the EPDM Seal degrades from exposure to the elements. Silicone sealants are often used to repair the seal, but the surface has to be dry first. Solvents within the sealant will evaporate causing it to shrink and collapse on the seal/bond line resulting in failure. OB1® Construction Sealant & Adhesive performs flawlessly even when applied under water, doesn’t contain solvents, so therefore will never shrink or crack. It’s the perfect repair for leaking gutters. GARDENING REPAIROB1® Construction Sealant & Adhesive the multi-surface garden repair product fixes your terracotta, ceramic, cracked concrete, slate and even broken pots and planters whether dry or wet. Repair garden pond ornaments even under water. OB1® Construction Sealant & Adhesive the total garden ornament repair product.

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £6.93

  • OB1 Multi-Surface Construction Sealant & Adhesive White

    OB1 Multi-Surface Construction Sealant & Adhesive, White 290ml

    11 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    WHY IS OB1® CONSTRUCTION SEALANT & ADHESIVE SO INCREDIBLE?  BONDS ALUMINIUM & WOODDepending on its moisture, softwoods and hardwoods expand and contract constantly, and some more than others. Aluminium expands and contracts in accordance to temperature. OB1® Construction Sealant & Adhesive will maintain its robust bond when cured from -40°C to +120°C and therefore is able to cope in harsh external weathering conditions and in a refrigerated environment. Its bond has the ability to elongate up to 350%. FOOD SAFE FORMULAOB1® Construction Sealant & Adhesive conforms to ISEGA Standards so it is the perfect solution for use in kitchens and food preparation areas. OB1® Construction Sealant & Adhesive bonds & seals marble, granite and quartz worktops in kitchens plus it’s guaranteed not to attack or stain surfaces. MARINE & POOL SEALANTThe original formula makes OB1® Construction Sealant & Adhesive the ideal sealant for under water applications even resistant to saltwater. Its hybrid polymer formulation can be applied under water and retains its initial bond. It also acts as a structural underwater bond in closed-face applications in swimming pools such as floor and wall tiles without the need to drain the pool. CARBON FIBRE, FIBREGLASS & GRPFor instant repair or bonding with carbon fibre materials, fibreglass and GRP, this all-in-one sealant, adhesive and filler is all you’ll ever need. OB1® Construction Sealant & Adhesive withstands vibration. PLASTIC TO METAL & STEELThe original solvent free hybrid polymer formula used in OB1® Construction Sealant & Adhesive allows flexible adhesion that can move with the expansion and contraction of metal and steel without etching or burning the surfaces. For polypropylene and polyethylene contact manufactures technical services. ENVIRONMENTALLY SOUNDOB1® Construction Sealant & Adhesive contains no solvents or isocyanates resulting in an A+ rating for air quality. It is odourless and kind to the environment as well as being safe for use in residential, domestic and industrial applications. SOLAR PANELSTypically solar panels are installed with mechanical fixings drilled into the roof substrate. They are sealed with silicone mastics which contain a solvent base. The solvent will eventually evaporate causing the mastic to collapse hence the seal/bond line failing. OB1® Construction Sealant & Adhesive does not contain any solvents so it will never crack, shrink or collapse, creating a permanent seal/bond. In addition it has a high resistance to weathering. MIRROR ADHESIVEOB1® Construction Sealant & Adhesive original formulation has no solvents or isocyanates so it will not degrade the back of mirrors. It also has an exceptionally strong initial grab. Depending on size and weight of mirror in most cases OB1® Construction Sealant & Adhesive does not require additional fixings while curing. SUPERIOR FOR BATHROOMSOB1® Construction Sealant & Adhesive features Zero VOC’s (volatile organic compounds) so it cures absolutely solid with no holes – unlike other sealants where bacteria can breed resulting in mould. OB1® Construction Sealant & Adhesive never shrinks or cracks. BONDS & SEALS LEAD FLASHINGSPerfect for roofing applications, OB1® Construction Sealant & Adhesive seals, grips and fills lead flashings to stone, brick and felt – even in the wet! FIX LEAKING GUTTERSGutters leak when the EPDM Seal degrades from exposure to the elements. Silicone sealants are often used to repair the seal, but the surface has to be dry first. Solvents within the sealant will evaporate causing it to shrink and collapse on the seal/bond line resulting in failure. OB1® Construction Sealant & Adhesive performs flawlessly even when applied under water, doesn’t contain solvents, so therefore will never shrink or crack. It’s the perfect repair for leaking gutters. GARDENING REPAIROB1® Construction Sealant & Adhesive the multi-surface garden repair product fixes your terracotta, ceramic, cracked concrete, slate and even broken pots and planters whether dry or wet. Repair garden pond ornaments even under water. OB1® Construction Sealant & Adhesive the total garden ornament repair product.

    11 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £6.93

  • OB1 Multi-Surface Construction Sealant & Adhesive, White 80ml

    OB1 Multi-Surface Construction Sealant & Adhesive, White 80ml

    11 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    WHY IS OB1® CONSTRUCTION SEALANT & ADHESIVE SO INCREDIBLE?  BONDS ALUMINIUM & WOODDepending on its moisture, softwoods and hardwoods expand and contract constantly, and some more than others. Aluminium expands and contracts in accordance to temperature. OB1® Construction Sealant & Adhesive will maintain its robust bond when cured from -40°C to +120°C and therefore is able to cope in harsh external weathering conditions and in a refrigerated environment. Its bond has the ability to elongate up to 350%. FOOD SAFE FORMULAOB1® Construction Sealant & Adhesive conforms to ISEGA Standards so it is the perfect solution for use in kitchens and food preparation areas. OB1® Construction Sealant & Adhesive bonds & seals marble, granite and quartz worktops in kitchens plus it’s guaranteed not to attack or stain surfaces. MARINE & POOL SEALANTThe original formula makes OB1® Construction Sealant & Adhesive the ideal sealant for under water applications even resistant to saltwater. Its hybrid polymer formulation can be applied under water and retains its initial bond. It also acts as a structural underwater bond in closed-face applications in swimming pools such as floor and wall tiles without the need to drain the pool. CARBON FIBRE, FIBREGLASS & GRPFor instant repair or bonding with carbon fibre materials, fibreglass and GRP, this all-in-one sealant, adhesive and filler is all you’ll ever need. OB1® Construction Sealant & Adhesive withstands vibration. PLASTIC TO METAL & STEELThe original solvent free hybrid polymer formula used in OB1® Construction Sealant & Adhesive allows flexible adhesion that can move with the expansion and contraction of metal and steel without etching or burning the surfaces. For polypropylene and polyethylene contact manufactures technical services. ENVIRONMENTALLY SOUNDOB1® Construction Sealant & Adhesive contains no solvents or isocyanates resulting in an A+ rating for air quality. It is odourless and kind to the environment as well as being safe for use in residential, domestic and industrial applications. SOLAR PANELSTypically solar panels are installed with mechanical fixings drilled into the roof substrate. They are sealed with silicone mastics which contain a solvent base. The solvent will eventually evaporate causing the mastic to collapse hence the seal/bond line failing. OB1® Construction Sealant & Adhesive does not contain any solvents so it will never crack, shrink or collapse, creating a permanent seal/bond. In addition it has a high resistance to weathering. MIRROR ADHESIVEOB1® Construction Sealant & Adhesive original formulation has no solvents or isocyanates so it will not degrade the back of mirrors. It also has an exceptionally strong initial grab. Depending on size and weight of mirror in most cases OB1® Construction Sealant & Adhesive does not require additional fixings while curing. SUPERIOR FOR BATHROOMSOB1® Construction Sealant & Adhesive features Zero VOC’s (volatile organic compounds) so it cures absolutely solid with no holes – unlike other sealants where bacteria can breed resulting in mould. OB1® Construction Sealant & Adhesive never shrinks or cracks. BONDS & SEALS LEAD FLASHINGSPerfect for roofing applications, OB1® Construction Sealant & Adhesive seals, grips and fills lead flashings to stone, brick and felt – even in the wet! FIX LEAKING GUTTERSGutters leak when the EPDM Seal degrades from exposure to the elements. Silicone sealants are often used to repair the seal, but the surface has to be dry first. Solvents within the sealant will evaporate causing it to shrink and collapse on the seal/bond line resulting in failure. OB1® Construction Sealant & Adhesive performs flawlessly even when applied under water, doesn’t contain solvents, so therefore will never shrink or crack. It’s the perfect repair for leaking gutters. GARDENING REPAIROB1® Construction Sealant & Adhesive the multi-surface garden repair product fixes your terracotta, ceramic, cracked concrete, slate and even broken pots and planters whether dry or wet. Repair garden pond ornaments even under water. OB1® Construction Sealant & Adhesive the total garden ornament repair product.

    11 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £3.91

  • OB1 PaintersPal Paintable Hybrid Sealant, White 290ml

    OB1 PaintersPal Paintable Hybrid Sealant, White 290ml

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    OB1® PaintersPal is a universal glazing sealant, which can be applied on laminated, single, insulation, burglar-proof and self-cleaning glass. OB1® PaintersPal adheres perfectly without primer on most, even damp, surfaces. OB1® PaintersPal is non-corrosive towards metals, does not shrink and is bubble free. OB1® PaintersPal is the solution for interior and exterior building and glazing. CHARACTERISTICS● Does not shrink and is bubble-free● Non-corrosive towards metals● Has good UV resistance● Free from isocyanates, solvents and silicones● Can be used for interiors, exteriors, building and glazing STORAGEShelf life in original sealed packaging: 18 months stored in shaded conditions between 5°C to 25°C. LIMITATIONSNot suitable for PE, PP, PC, PMMA, PTFE, soft plastics, neoprene and bituminous substrates. Not suitable for natural stone and mirrors. Not suitable in combination with chlorides (pools).  

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £6.63

  • OB1 PanelPal Adhesive, White 290ml

    OB1 PanelPal Adhesive, White 290ml

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    The OB1 Panel Pal White is a high-performance, solvent-free grab adhesive and sealant designed for fast, strong bonding and sealing across a wide range of materials. Whether you’re installing panels, cladding, or trims, Panel Pal offers exceptional initial grab and long-lasting adhesion—perfect for both DIY and professional applications. Key Features:● Strong Instant Grab: Reduces the need for additional fixings during installation.● White Finish: Provides a clean, professional look with excellent colour retention.● Versatile Use: Bonds to wood, PVC, metal, plasterboard, ceramics, concrete, and more.● Flexible & Durable: Accommodates slight movement without cracking or shrinking.● Solvent-Free & Low Odour: Safer for indoor use and environmentally friendlier.

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £7.69

  • OB1 PlumbersPal Hybrid Sealant & Adhesive, White 290ml

    OB1 PlumbersPal Hybrid Sealant & Adhesive, White 290ml

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    OB1® PlumbersPal is a premium, high strength sealant and adhesive specifically developed for the sealing of expansion joints in sanitary applications such as kitchens, bathrooms and industrial applications. It adheres perfectly without primer on most substrates. OB1® PlumbersPal is almost odourless, permamently elastic, offers mould, weather and high UV resistance, and can be used for interior and exterior projects. The formulation conforms to BREEAM specification Hea 02 Indoor Air Quality, regarding volatile organic compound (VOC) emission levels. OB1® PlumbersPal can be overpainted with water-based and most 2 component paints. It is recommended to paint a few days after application. CHARACTERISTICS● Works in water● Mould resistant● UV and weather resistant● Excellent chemical resistance● Non-staining● Permanently elastic● Paintable STORAGEShelf life in original sealed packaging: 24 months stored in shaded conditions between 5°C to 25°C. LIMITATIONSNot suitable for continuous exposure to water (during curing).Not suitable for PE, PP, PC, PMMA, PTFE, soft plastics, neoprene and bituminous substrates. Not suitable in combination with chlorides (pools).      

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £8.45

  • OB1 Sealant Remover, 100ml

    OB1 Sealant Remover, 100ml

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    OB1® Sealant Remover is a low odour formulation that does not contain halogenated solvents, heavy metals, cyanide or water. It removes silicone and sealants quickly and effectively and will also help to remove silicone overspray on masonry and silicone oil stains on porous materials. CHARACTERISTICS● Removes silicone and sealants quickly● Highly effective ● Low odour STORAGEStore locked up in dry conditions between 0ºC and +30ºC in original, unopened container and protect from frost. Some darkening may occur during storage. Shelf life is 12 months from date of manufacture. DIRECTIONS FOR USETo remove silicone sealants or gaskets, carefully cut away as much of the silicone as possible. Apply OB1 Sealant Remover to completely cover the remaining silicone that needs to be removed. The depth of cover should be at least twice as deep as the depth of silicone to be removed. Leave to sit for 1-12 hrs (time varies depending on the characteristics of the substrate). Rinse thoroughly with water and repeat process if necessary.

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £4.98

  • OB1 Sealant Smoothing Tools

    OB1 Sealant Smoothing Tools

    11 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    OB1® Sealant Smoothing Tools, for use on silicone, acrylic and hybrid joins. Giving a professional finish to straight joints. Features & Benefits:● 4 Pack● Professional finish● Removes surplus sealant whilst perfecting the angle of joins● Smooths joint faster and easier

    11 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £6.24

  • OB1 TilersPal Hybrid Adhesive, White 290ml

    OB1 TilersPal Hybrid Adhesive, White 290ml

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    The OB1 TilersPal Hybrid Adhesive is a high-performance, professional-grade tile adhesive designed to provide superior bonding strength, instant hold, and long-lasting durability for both interior and exterior tiling applications. Whether you're working on small repairs, minor tiling jobs, or full-scale installations, this ready-mixed, neutral cure adhesive ensures strong adhesion and easy application across various surfaces.  

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £6.96

  • Siroflex SX Mighty Strength Glue Screws Adhesive

    SX Siroflex Mighty Strength Glue Screws Adhesive, White 300ml

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    A ready to use, solvent free construction adhesive, based on acrylic polymers, which adheres to most common building surfaces and replaces nails and screws. The adhesive cures by moisture to form a strong and durable bond. Can even be used on damp surfaces with the use of a primer. • Solvent free• Perfect adhesion without primer on most substrates• Easy to apply• Easy to clean• Non corrosive towards metal

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £2.39

  • Siroflex SX Mighty Strength Grip & Grab Adhesive

    SX Siroflex Mighty Strength Grip & Grab Adhesive, White 290ml

    9 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    Siroflex Mighty Strength Grip and Grab Adhesive is a revolutionary new instant grab adhesive based on MS polymer technology.It has initial bond strength double that of most other grab adhesives capable of holding 35kg, therefore eliminating the need for secondary support on the majority of applications. It can be used internally or externally, even on damp or wet surfaces.SX Mighty Strength Grip & Grab Adhesive is solvent free, cures quickly and is water and weather-proof. Siroflex Mighty Strength Grip and Grab Adhesive is suitable for bonding most building substrates but particularly for fixing large panels and wallboards.It is also ideal for bonding brick slips, claddings and sanitary fixtures, fixing dado rails, windowsills, decorative mouldings and thresholds to virtually any surface.Will fix and adhere to glass, wood, enamel, painted surfaces, plaster board, coated metals, Perspex, concrete, plastics, polycarbonates, PVCu, zinc, stainless steel, copper, lead, anodised aluminium, epoxy and polyester panels.An excellent alternative fixing adhesive that replaces nails screws and other mechanical fixings. See the video demonstration below. Before applying the adhesive, ensure surfaces are clean and dust free. Cut the cartridge seal and screw on the pre cut ‘V’ notched nozzle which must be used to ensure the correct depth of adhesive is extruded.The product by its nature is stiff to gun, so always use a good quality applicator gun such as SX Trade Revolving Caulking Gun. Apply the adhesive on one surface only in vertical strips 30cm apart. Immediately place item into position with good, even pressure to give an excellent initial grab. On extremely heavy items temporary support may be necessary during the curing process. Mechanical fixings should always be used in overhead applications.

    9 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £4.94

  • TIMCO 9 in 1 Adhesive & Sealant, Clear 290ml

    TIMCO 9 in 1 Adhesive & Sealant, Clear 290ml

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    TIMCO 9 in 1 crystal clear adhesive & sealant has been developed to give superior bonding and sealing performance to all building materials including glass and PVCu. The advanced formula is extremely versatile, allowing the product to be used as a replacement for both traditional adhesives and sealants, while giving a professional finish. • Hybrid polymer technology• Excellent toolability• Developed for a majority of trade and DIY applications• Adheres to most traditional building materials• Long lasting flexibility• Superior strength, capable of supporting 400kg/10cm2• Resealable nozzle to reduce waste during storage

    12 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £7.13

  • TIMCO 9 in 1 Instant Grab Adhesive, Clear 290ml

    TIMCO 9 in 1 Instant Grab Adhesive, Clear 290ml

    20 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    TIMCO 9 in 1 Instant Grab Adhesive has been developed to give superior rapid bonding strength to all building materials, even in wet conditions. The high viscosity instant grab formula eliminates the need for permanent and temporary support and can be painted over almost immediately. • Hybrid polymer technology• Developed for a majority of trade and DIY applications• Adheres to most traditional building materials• Superior strength, capable of supporting 400kg/10cm2• Sets in 15 minutes• Pre-cut notched nozzle for enhanced application

    20 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £6.98

  • TIMCO 9 in 1 Instant Grab Adhesive, White 290ml

    TIMCO 9 in 1 Instant Grab Adhesive, White 290ml

    300 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    TIMCO 9 in 1 Instant Grab Adhesive has been developed to give superior rapid bonding strength to all building materials, even in wet conditions. The high viscosity instant grab formula eliminates the need for permanent and temporary support and can be painted over almost immediately. • Hybrid polymer technology• Developed for a majority of trade and DIY applications• Adheres to most traditional building materials• Superior strength, capable of supporting 400kg/10cm2• Sets in 15 minutes• Pre-cut notched nozzle for enhanced application

    300 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £6.77

  • TIMCO 9 in 1 Universal Adhesive & Sealant, Black 290ml

    TIMCO 9 in 1 Universal Adhesive & Sealant, Black 290ml

    20 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    TIMCO 9 in 1 Universal Adhesive & Sealant has been developed to give superior bonding and sealing performance to all building materials, even in wet conditions. The advanced formula is extremely versatile, allowing the product to be used as a replacement for both traditional adhesives and sealants, whilst giving a professional finish. • Hybrid polymer technology• Excellent toolability• Adheres to most traditional building materials• Developed for a majority of trade and DIY applications• Long lasting flexibility• Superior strength, capable of supporting 400kg/10cm2

    20 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £5.92

  • TIMCO 9 in 1 Universal Adhesive & Sealant, Grey 290ml

    TIMCO 9 in 1 Universal Adhesive & Sealant, Grey 290ml

    20 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    TIMCO 9 in 1 Universal Adhesive & Sealant has been developed to give superior bonding and sealing performance to all building materials, even in wet conditions. The advanced formula is extremely versatile, allowing the product to be used as a replacement for both traditional adhesives and sealants, whilst giving a professional finish. • Hybrid polymer technology• Excellent toolability• Adheres to most traditional building materials• Developed for a majority of trade and DIY applications• Long lasting flexibility• Superior strength, capable of supporting 400kg/10cm2

    20 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £5.92

  • TIMCO 9 in 1 Universal Adhesive & Sealant, White 290ml

    TIMCO 9 in 1 Universal Adhesive & Sealant, White 290ml

    100 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    TIMCO 9 in 1 Universal Adhesive & Sealant has been developed to give superior bonding and sealing performance to all building materials, even in wet conditions. The advanced formula is extremely versatile, allowing the product to be used as a replacement for both traditional adhesives and sealants, whilst giving a professional finish. • Hybrid polymer technology• Excellent toolability• Adheres to most traditional building materials• Developed for a majority of trade and DIY applications• Long lasting flexibility• Superior strength, capable of supporting 400kg/10cm2

    100 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £5.92

  • TIMCO Grip & Fill Solvent Free, White 350ml

    TIMCO Grip & Fill Solvent Free, White 350ml

    100 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    TIMCO Grip & Fill® is a direct bond adhesive formulated for professional users. Designed to give a high adhesive strength to most building materials in trade and DIY applications. The unique formula also achieves exceptional gap filling results on uneven surfaces. Ideal for: Bonding skirting board, architraves, dado rails and battens to walls without fasteners. For use alongside fixings to prevent wood movement, especially around floorboards an• Solvent free - environmentally friendly and easy to clean• Anti-slump formula means no need for double sticking• Will adhere to damp surfaces• High solids content for excellent gap filling• Good "nip-off' for easy and clean application• Extended open time allows for repositioning• Bonds to a majority of building materials• Can be painted over Brand TIMCO Colour White Environments Interior Size 350ml UFI Number 0CX2-GQR2-000N-C44G Viscosity Medium  

    100 in stock Delivery Next Day  Order before 2pm for Next Day Delivery*
    Please read our Delivery page for Information

    £2.89

Sealants & Silicones

Discover our extensive range of high-quality sealants and silicones, designed to provide reliable, long-lasting seals for every project. Whether you're working on glazing, plumbing, bathrooms, kitchens, construction or general maintenance, our professional-grade sealants deliver exceptional adhesion, flexibility and weather resistance.

From anti-mould bathroom silicones and neutral cure glazing sealants to high-grab adhesive sealants and fire-rated products, we stock trusted brands to ensure top performance and durability. Our sealants are suitable for a wide variety of substrates including glass, metal, PVCu, wood, masonry and more - many offering excellent adhesion even on damp surfaces.

Perfect for both trade professionals and DIY enthusiasts, our collection helps you achieve clean, watertight and airtight finishes every time. Shop now and keep your projects protected from water ingress, drafts, and structural movement with our specialist range of sealants and silicones.

VAT No: GB 473 5222 94 | Company Reg. No: 15892732

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Login

Forgot your password?

Don't have an account yet?
Create account