Rawlplug R-FR Acrylic Firestop Mastic 310 ml

Rawlplug R-FR Acrylic Firestop Mastic is a non-flammable, intumescent sealant designed to prevent fire and smoke spread through gaps, cracks, and service penetrations in walls and partitions. The 310 ml cartridge formulation provides excellent adhesion to most building materials including concrete, brick, plasterboard, and metal, with a fire rating up to 4 hours depending on application. Ideal for electricians, fire safety contractors, and builders requiring SANS-compliant fire-stopping solutions on commercial and residential projects.