Dow Corning Firestop Putty Aerosol The Dow Corning white, 310ml firestop putty cartridge is an intumescent acrylic sealant for internal pointing around the door and window frames where damage due to smoke and flame needs to be kept to a minimum and in the small joints formed where fire-rated partition sections meet. It has intumescent qualities which enable the material to swell under heat conditions to produce a fire and smoke-resistant seal. Features and Benefits Up to 2 hour fire-rating can be achieved
Good un-primed adhesion to most common construction materials
Resists mildew and mould growth
Remains flexible
Easy to use Certifications EUH210
EUH208