Sika Sika1 Waterproofer Water Proofing Admixture 5L
£64.79 Inc VAT
A liquid additive designed to prevent the passage of water through sand or cement renders, screeds and mortar. It is ideal for tanking or for use in basements. The solution is immediately effective and is designed to swell and block the pores in the mixture providing an effective water resistant barrier. It is suitable for use both bellow and above ground.
Compatable with OPC and SRC. Sutable for use both internally and externally. Recommended dosage : Add one part of Sika®-1 to 10 parts of water, which is equivalent to approximately 3 % of cement content. If using very wet sand adjust this dosage. Stir this product slowly to ensure a lump free mixture.