Sika 1 Waterproofer 5 Litre
- Sika® -1 Waterproofer is an aqueous solution containing complex colloidal silicates. In the presence of water these swell and block the capillaries and pores in the applied sand/cement renders, screeds and mortar to provide an effective barrier against the transmission of liquid water
- BAA Approved
- For use on brick, concrete, and stone substrate
