Protect walls and floors from water damage with OB1 Waterproof Tanking Solution 7kg, a professional-grade waterproof membrane designed to create a durable, flexible barrier before tiling. Ideal for bathrooms, wet rooms, showers, kitchens, utility rooms, balconies and other moisture-prone areas, this high-performance tanking solution helps prevent water penetration and protects your substrate from long-term damage.
Easy to apply with a brush or roller, OB1 Waterproof Tanking Solution dries quickly, allowing you to complete waterproofing and begin tiling sooner. Its flexible formula bridges small cracks and accommodates normal building movement, making it suitable for both domestic and commercial waterproofing projects.
Key Features
Professional Waterproof Barrier – Creates a durable, watertight membrane that protects walls and floors from moisture penetration.
Flexible & Crack Resistant – Bridges cracks and joints up to 3mm and accommodates structural movement. For wider joints, use with tanking joint tape for maximum performance.
Fast Drying Formula – Apply using a brush or roller. Each coat dries in approximately 1 to 2 hours, with tiling possible from just 2 hours after the final coat under suitable conditions.
Excellent Coverage – One 7kg tub covers up to 7m² using the recommended two-coat application, producing an approximate dry film thickness of 0.8mm.
Strong Multi-Surface Adhesion – Bonds securely to plaster, render, concrete, cement boards, tile backer boards, plywood and many other common construction materials.
Ideal for Wet Areas – Suitable for bathrooms, wet rooms, showers, kitchens, utility rooms, steam rooms, swimming pools, balconies and other permanently damp environments.
Application Instructions
For the best waterproof seal, first fill all gaps, joints and service penetrations using OB1 Plumbers Pal and allow it to cure fully. Apply two coats of OB1 Waterproof Tanking Solution using a brush or roller, allowing each coat to dry before applying the next. Reinforce larger joints and corners with waterproof joint tape where required.
Suitable For
Bathrooms
Wet Rooms
Shower Enclosures
Kitchens
Utility Rooms
Steam Rooms
Swimming Pools
Balconies
Tiled Walls & Floors
Product Specifications
Brand: OB1
Product: Waterproof Tanking Solution
Colour: Grey
Weight: 7kg
Coverage: Up to 7m² (two coats)
Application Method: Brush or Roller
Drying Time: 1 to 2 hours per coat
Ready for Tiling: Approximately 2 hours after final coat
Approximate Dry Film Thickness: 0.8mm
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