Therm A Seal

Fire Only by Intumescent Seals Ltd

  • • BS 476 part 20:22
  • • Certifire Approved
  • • Easy to cut
  • • Protects against fire
  • • Self-adhesive backing
  • • Suitable for wet applications

Intumescent Seals’ well-established Therm-a-Seal intumescent strip has been manufactured for many years.

This product comes fire-tested in accordance with BS 476 Part 20:22 and comes with a moisture resistant material suitable for both wet and dry applications on a range of single and double leaf door sets. Sizes range from 10x4mm up to 38x4mm for those specialist applications. Supplied in a standard 2100mm length, this product can easily be cut to size.

2100mm Codes
Size Grey Black Light Oak Red Cream Brown White
10x4 TH104FOSG TH104FOBK TH104FO/LO TH104FOR TH104FOC* TH104FOB TH104FOW
15x4 TH154FOSG* TH154FOBK TH154FO/LO TH154FOR TH154FOC TH154FOB TH154FOW
20x4 TH204FOSG TH204FOBK TH204FO/LO TH204FOR TH204FOC TH204FOB TH204FOW
25x4 TH254FOSG TH254FOBK TH254FO/LO TH254FOR TH254FOC TH254FOB TH254FOW
30x4 TH304FOSG TH304FOBK TH304FO/LO TH304FOR TH304FOC TH304FOB TH304FOW
38x4 TH384FOSG TH384FOBK TH384FO/LO TH384FOR TH384FOC TH384FOB TH384FOW

* special order

Can this be used in single and double doors?

Yes, this product is suitable for single and double action leaf doors.

Does the product require any routing to the surface to be applied to?

Yes, this product is rebated into the door frame or door leaf. The size of the rout depends upon the size of the intumescent being used.

Is this product for latched doors only?

No, this product can be used on latched and unlatched doors.

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