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Low smoke and toxicity intumescent mastic.  

Low Smoke Intumescent Mastic


Astroflame Low Smoke Mastic.

An intumescent mastic that has a low smoke and toxicity rating when activated by fire.

This sealant was designed to stop the smoke and flames from a fire spreading without adding significantly to smoke or toxicity itself.

Tested for passenger carrying train systems to BS6853:1999 (the code of practise for fire precautions in the design and construction of passenger carrying trains).

LUL approved

Tested EN1366-4 :

Tested BS 6853:1999 D8.3: Smoke Ao (max)

Tested BS 6853:1999 B.1: Toxicity R value

High performance 5 hour fire rating

Halogen free for low toxicity.

Joint movement capability of +/- 10%

Good unprimed adhesion to a wide variety of common building substrates.

Maintains the sound reduction index of a structure.

Read full specification here.




Our Price: £4.79

Prices include VAT.



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