DOWSIL™ FIRESTOP 700 Sealant is a low modulus, one-part, neutral curing, fire-rated silicone sealant. It has excellent unprimed adhesion to a range of common construction substrates including stone, steel, masonry, brick, wood, etc. It is ideal for weather-sealing of curtain walling, building facades and expansion joints where a fire rating is required. It is also suitable for use in penetration sealing systems where pipes and cables pass through fire rated structures.


• Meets BS 476 Part 22

• Excellent unprimed adhesion to most porous and non-porous construction substrates

• Non-slump

• Joint movement capability ±50%

• Neutral cure

• Halogen-free

• Conforms to ISO 11600-F&G25LM

• A fire rating of up to 4 hours can be achieved

• Widely tested to many European specifications

• Tack-free in 1.5 hours

• Excellent weathering characteristics, including resistance to ozone, UV radiation and temperature extremes

• Long service life

• CE marked as a fire resistant according to ETAG 026

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