Sika 1 Waterproofer 25L is a waterproofing additive that is used in concrete, mortar and rendering. Sika 1 waterproofer contains complex colloidal silicates which swell and block water penetration into pores of the sand, cement, renders or screeds and provides an effective waterproof barrier.
Key Features
Structural waterproofer
Resist water pressure
Moisture and damp resistant
Can be used in internal tanking
Application
Sika 1 waterproofer can be applied against live water infiltration on brick, concrete and stone substrates.