Dow Corning Firestop 400 Intumescent Acrylic Sealant 380ml White
Dow Corning Firestop 400 Intumescent Acrylic Sealant 380ml
Dow Corning Firestop 400 Intumescent Acrylic Sealant
Dow Corning Firestop 400 is an intumescent acrylic sealant for internal applications, developed to maintain the integrity of fire walls or partitions. Dow Corning Firestop 400 does not emit halogenated by-products under fire conditions.
For internal perimeter pointing around door and window frames, and in joints formed where fire rated partition sections meet.
Tested to B.S.476 Part 22: 1987 and B.S.476 Part 7: 1987
Up to a 4 hour fire rating can be achieved
Class 2 classification for surface spread of flame
Mean toxicity index 2.0 when tested to NES713: 1985
Resists mildew and mould growth
30-45 minutes tack free time
Good unprimed adhesion to most common construction substrates
380ml 'e' Cartridges