Dow Corning Intumescent Mastic
Dow Corning Firestop 400
Dow Corning Firestop 400 is an intumescent acrylic sealant for internal applications.
- Up to a 4 hour fire rating can be achieved
- Resists mildew and mould growth
- 30-45 minutes tack free time
- Good unprimed adhesion to most common construction substrates
For internal perimeter pointing around door and window frames, and in joints formed where fire rated partition sections meet.
Dow Corning Firestop 700
Dow Corning Firestop 700 is unrivalled in its capabilities.
- Up to a 4 hour fire rating can be achieved
- Fast cure - tack free in 2 hours
- Excellent weathering characteristics including resistance to ozone
- Application Temperature Range +5 to +40°C
For sealing of expansion joints and pipe and cable penetrations in fire rated structures.
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Dow Corning® FIRESTOP 400 Intumescent Acrylic SealantDow Corning Firestop 400 is an intumescent acrylic sealant for internal applications, developed to maintain the integrity of fire walls or partitions. Tested to B.S.476 Part 22: 1987 and B.S.476 Part 7: 1987. Mean toxicity index 2.0 when tested to NES713: 1985.
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Dow Corning® FIRESTOP 700 Silicone SealantDow Corning Firestop 700 is unrivalled in its capabilities. It is a one part, neutral curing silicone sealant ideal for preventing the spread of smoke and flames through expansion joints, or penetration seals in curtain walling, building facades or partition walls. Tested to B.S.476 Part 22:1987 in expansion joint configurations and pipe and cable penetrations
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