Dow Corning Firestop 400 Intumescent Acrylic Sealant White 380ml

Product code: 17310


Dow Corning Firestop 400 is an intumescent acrylic sealant for internal applications, developed to maintain the integrity of fire walls or partitions. Dow Corning Firestop 400 does not emit halogenated by-products under fire conditions.


  • Tested to B.S.476 Part 22: 1987.
  • 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 ?
Technical Data:

We offer a free delivery on orders over £50 ex vat.

Please note lead times may vary subject to stock allocations. A member of staff will be in contact after your order is placed to give you a more accurate lead time.

We operate primarily in the South of England and delivery restrictions apply.

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