TectorSpex 742 Slurry is a single component, semi-rigid fibre cement membrane formulated with sulphur resistant cement, selected aggregates and polymeric resins that provide excellent elasticity, adhesion and waterproofing capacity. Especially suitable for surface protection and waterproofing of concrete, rendering and fibre cement screeds, ceramic coatings, masonry surfaces, etc. Compatible with drinking water in compliance with RD 3/2023.