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.
Sika® 4A Water Stop is a ready to use quick setting leak stopping liquid which is mixed with water and ordinary portland cement to produce a paste for leak stopping...
