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Mastics & Foams

Stormflame Mastic, Fire Rated Sealants & Foam products

Intumescent Mastic, Fire Rated Foam & Sealants.

Standard construction foams and mastics provide little or no fire resistance. The range of products on this page can be used where fire stopping properties are required, for example, mastic sealing around other fire rated products and foam for gap filling. Where reduced noise transmission is required some of these products have good acoustic properties. For more information browse our range of sealing products.

For general enquiries or technical advice on our Mastic Sealants and Expanding Foams product range please contact us: tel  01329 841 416 or email

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PFP FR Acrylic - CE/UKCA

Intumescent Acrylic | Fire Stopping Mastic | Designed to prevent the spread of fire and smoke through joints and openings in fire rated walls and floors | High end formula | CE and UKCA marked.

Astro PFP FR Graphite - CE/UKCA

CE and UKCA Marked high specification formulation designed to prevent the spread of fire | Easy to apply | High sound insulation | Hardens quickly, tack free after 1 hour | 12 months storage time

Intumescent Mastic Fire & Acoustic Rated (CE Marked)

Intumescent Mastic | Brown, Grey or White | Fire & Acoustic Rated | CE Marked | ULEU Accreditation | Fire resistance tested in flexible walls, rigid walls and floors.

Intumescent High Pressure Expansion Sealant (CE Marked)

A high pressure intumescent sealant for pipework up to 125mm diameter | Suits metallic, PVC, HDPE and ABS pipes.

Fire Rated Expanding Foam

Fire Rated, self-expanding foam | Fire resistant in a joint | High filling capacity | Ready to use PU foam in a 750ml can | 15 months shelf life.

BLUE 60 - Fire Rated Frame Foam

A specially formulated expanding foam | Blue 60 foam that must be used in conjunction with Blue 60 Fire Rated Packers that gives up to 60 minutes fire protection to timber doorsets without requiring additional mastics or sealants.