DOWSIL™

DOWSIL™ Firestop 400

Sealant
Fire & Acoustic
Acrylic

DOWSIL™ Firestop 400 is an intumescent acrylic sealant for internal applications, developed to maintain the integrity of firewalls or partitions.

Product info

Benefits

  • Tested to B.S. 476 Part 22
  • A fire rating of up to 2 hours can be achieved
  • Resists mildew and mould growth
  • 30-45 minutes tack free time
  • Good unprimed adhesion to most common construction substrates
  • Easy to use, one component sealant

Colours

White

Technical Information

Where to use Interior
Paintable Yes
Sizes 310ml, 380 ml

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For over 30 years, we’ve been trusted by the trades to deliver the best quality sealant and adhesive solutions.