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Protecta FR ASF Mastic

£36.00
excl tax

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Protecta® FR ASF is designed to prevent the spread of fire, smoke and gases through openings in fire rated walls and floors, specifically linear joints and openings for building service penetrations. Protecta® FR ASF should be applied over suitable backing materials to ensure correct width to depth ratio and to reduce shrinkage of the joint during hardening. In areas with a high degree of humidity and/or in joints with excessive movement, use Protecta® FR IPT. Protecta® FR ASF is a 4 hour rated intumescent sealant formulated with fillers that provide noise reduction.



Protecta® FR ASF cures when it is subjected to atmospheric conditions, however it will retain a degree of elasticity for joint movement. Under fire exposure, Protecta® FR ASF creates a robust fire seal by the formation of a durable intumescent char.

The sealant has undergone tests to BS476: Part 20:1987 and BSEN 1366-3 with additional guidelines from BSEN 1366-4 for fire protection joints and testing in accordance with BS EN ISO 140-3:1995 for acoustic performance.


• Fire rated in both horizontal & vertical joints

• No priming required for most construction substrates 

• Joint movement capability of 7.5% • For use in joints up to 50 mm wide

• Excellent slump resistance

• 18 months shelf life • Fast cure - tack free within an hour

• Easy to apply and tool off

• Halogen free

• Paintable

• Excellent adhesion to most common building substrates 

• Reduces sound transmission in joints

Files
Installation Instructions Download
Technical Data Sheet Download

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Fire Retardant Coatings
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