Dowsil 400 Firestop Intumescent Sealant White 380ml
Dowsil Firestop 400 is an intumescent acrylic sealant for internal applications, developed to maintain the integrity of firewalls or partitions. 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.
- Dowsil Fire stop 400 does not emit halogenated by-products under fire conditions
- Up to a 4 hour fire rating can be achieved
- Resists mildew and mould growth
- 30-40 minutes tack time
- Colour: White
- Size: 380ml