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Ensure long-lasting waterproof protection in wet and humid environments with the OB1® Waterproof Tanking Solution. This one-part liquid tanking membrane creates a seamless barrier against moisture, making it an ideal solution before tiling in wet-rooms, showers, kitchens, bathrooms, and utility rooms.
Applied easily with a brush or roller, this grey tanking solution is suitable for both interior and exterior use, and effectively seals cracks and joints up to 3mm. Whether you're renovating a domestic bathroom or waterproofing a commercial spa, OB1® delivers professional-grade reliability with every coat.
Universal Waterproofing – Ideal for wet-rooms, showers, kitchens, and utility rooms
Versatile Application – Suitable for swimming pools, spas, steam rooms, and more
Interior & Exterior Use – Can be used indoors or outdoors depending on your project needs
Crack Bridging Capability – Seals existing cracks and joints up to 3mm wide
Simple Application – Apply directly with a brush or roller for a seamless finish
Pre-Tiling Protection – Designed to be used before wall and floor tiling
Colour: Grey
Pack Size: 7kg
Bathrooms & Showers – Prevent water ingress before tiling walls or floors
Wet-Room Installations – Essential for creating fully waterproof wet-room bases
Swimming Pools & Spas – Seals surfaces in high-moisture commercial or residential areas
Steam Rooms & Hot Tubs – Durable enough to withstand elevated temperature and humidity
Utility Rooms & Kitchens – Use behind splash zones to avoid long-term water damage
Q1: Can OB1® Tanking Solution be tiled over directly?
A: Yes, once fully cured, OB1® provides a suitable surface for direct tiling on both walls and floors.
Q2: How many square metres does a 7kg pack cover?
A: Coverage will vary by surface porosity, but typically a 7kg pack covers approximately 7–10m² in two coats.
Ensure long-lasting waterproof protection in wet and humid environments with the OB1® Waterproof Tanking Solution. This one-part liquid tanking membrane creates a seamless barrier against moisture, making it an ideal solution before tiling in wet-rooms, showers, kitchens, bathrooms, and utility rooms.
Applied easily with a brush or roller, this grey tanking solution is suitable for both interior and exterior use, and effectively seals cracks and joints up to 3mm. Whether you're renovating a domestic bathroom or waterproofing a commercial spa, OB1® delivers professional-grade reliability with every coat.
Universal Waterproofing – Ideal for wet-rooms, showers, kitchens, and utility rooms
Versatile Application – Suitable for swimming pools, spas, steam rooms, and more
Interior & Exterior Use – Can be used indoors or outdoors depending on your project needs
Crack Bridging Capability – Seals existing cracks and joints up to 3mm wide
Simple Application – Apply directly with a brush or roller for a seamless finish
Pre-Tiling Protection – Designed to be used before wall and floor tiling
Colour: Grey
Pack Size: 7kg
Bathrooms & Showers – Prevent water ingress before tiling walls or floors
Wet-Room Installations – Essential for creating fully waterproof wet-room bases
Swimming Pools & Spas – Seals surfaces in high-moisture commercial or residential areas
Steam Rooms & Hot Tubs – Durable enough to withstand elevated temperature and humidity
Utility Rooms & Kitchens – Use behind splash zones to avoid long-term water damage
Q1: Can OB1® Tanking Solution be tiled over directly?
A: Yes, once fully cured, OB1® provides a suitable surface for direct tiling on both walls and floors.
Q2: How many square metres does a 7kg pack cover?
A: Coverage will vary by surface porosity, but typically a 7kg pack covers approximately 7–10m² in two coats.
