RenderProof 5L is a waterproofing and plasticising, cement render additive for use following the insertion of a damp proof course and other waterproofing applications. Based on an alkaline soap mixed with fatty acids, this additive minimises the passage of liquid water through the pore structure of cement renders. Renderproof is designed for use in external render coats following the insertion of a damp proofing course

BBA approved.