Bostik Cementone Integral Waterproofer 25L is for retaining walls, external or basement renderings, floor and roof screeds, tanks. Cementone Integral Waterproofer is a liquid additive that provides long term water protection to mortar, concrete and rendering. It improves workability and strength, and will not corrode reinforcing metal work. Cementone Integral Waterproofer is suitable for all applications where resistance to water damage is necessary including external rendering and pointing, roof areas and structures below ground level.

Key Features

• Does not inhibit vapour transfer
• Increases strength of final mix Damp proofer and plasticiser
• Reduces efflorescence and crazing
• No corrosive effect on reinforcing metal

Application and Mixing
For rendering, concreting swimming pools, tanks etc. 250ml Cementone Integral Waterproofer to 25Kg cement. For screed use 1 part Cementone Integral Waterproofer to 30 parts water. Shake well before use; add to the gauging water in the approximate mix ration not exceeding the ration stated. Re-plastering should be carried out as long as possible after the insertion of a remedial damp-proof course. Ideally the new plaster should be applied to surface-dry walls, but in any case a drying period of at least 14 days should be allowed between installations and re-plastering wherever possible.