Intumescent Mastic

Passive Fire Products range of Adhesives and Sealants.

We offer a large range of fire adhesives/sealants/foams/mastics and compounds for

sealing up gaps around pipes, cables and services in fire barriers, preventing spread of smoke and fire.

They can be used in many application our intumescent mastic offers many benefits.

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

Easy to apply and tool off, Paintable, Excellent adhesion to most common building substrates,Reduces sound transmission in joints

Our Mortar range is a dry white powder which consists of inorganic components and perlite. When water is added, a hardened thermal fire sealing compound for sealing through-penetrations that penetrate fire classified walls and floors. 

Leading manufacturers and intumescent product ranges, include FSI, Nullifire, Protecta, Astroflame.

For clarification on minimum requirements before buying one of our fire-stopping products, please review the information. A written specification should be obtained from our Technical Department for your project prior to use to ensure the product will be suitable.

If there is a product you cannot find, please contact our Technical and Sales Support Team on 0333 043 0018