Dowsil 400 Firestop Intumescent Sealant White 380ml

This mould resistant silicone can provide up to a 4 hour fire rating and is designed for pointing around door and window frames and in joints formed where fire rated partition sections meet. Fire stop 400 is fast during, with a 30-45 minute tack free time and sticks to most common unprimed construction substrated. Colour: white