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Mapei Mapeflex Firestop 1200°C High Temperature Sealant Grey 300ml

Product Code: 25153

300ml. For rigid seals in voids and joints between materials that come into direct contact with flames or need to withstand temperatures up to 1200°C. Suitable for industrial furnaces, wood burning ovens, barbeques, chimney flues and fireplaces.

  • Odourless
  • Y
  • Accommodates Movement of
  • Rapid Drying
  • Suitable for Materials in Direct Contact with Flames
  • Ideal for Pre-Manufactured Elements
  • View more information

Covers 3m per 300ml.

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Safety Data Sheet (COSHH)


4.3333 5 3

QtyPrice per item
1 - 2 £10.49
3 - 5 £9.39
6 + £8.39

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Mapei Mapeflex Firestop 1200°C High Temperature Sealant Grey 300ml 4.3 5 3 3
Hot stuff! Great product. Can take some serious heat! Applies well, no nonsense good product. Would buy again. 25 Nov 2014
Excellent Product We used this on a stack in our company and its worked very well. 27 Jun 2014
not the best I was under the impression that this was quite flexible but less than 1 week after sealing the flue to the wood burner it cracked, I shouldn't be surprised as it is fast drying and water soluble, it seems to me that it is exhaust paste in a mastic tube, how long it will stay in place is uncertain, but the previous exhaust sealer lasted 2 years, let's see!, it does make it easy to squeeze into small gaps and at 1200c it is the highest I have found as I don't know what temperature the wood burner burns at. 10 Sep 2013
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Brand Mapei
Colour Grey
Manufacturer Guarantee 5 years
Model Name Mapeflex Firestop
Model No 4697091SFX
Pack Size 1
Product Diameter 175 mm
Product Height 230 mm
Product Type 1200°C High Temperature Sealant
Product Width 48 mm
Sealant Adhesive Volume 300 ml
Total Product Weight 0.557 kg