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Intumescent Mastic

Prevent the spread of flames and smoke with intumescent mastic by sealing any linear gaps between joinings. Suitable for use on a range of building projects.

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Astro Intumescent Acoustic Mastic 310ml Cartridge White

Astro Intumescent Acoustic Mastic 310ml Cartridge White ISAXM31W
£3.88 inc VAT Each
Fire safety is a large part of architectural ironmongery, and as experts in the industry we stock a wide range of products that are fire tested to provide extra protection in case of a fire. We also work with businesses to provide commercial doorsets where we ensure your company is up to fire door safety code.
Not only do we stock fire rated door hinges, at George Boyd we stock a variety of intumescent fire control products including Astroflame intumescent mastic, otherwise known as fire mastic sealant. It is a water based acrylic sealant that is used to reinforce the fire resistance of walls, floors, and door frames by sealing linear gap joint seals. Order online for nationwide next day delivery today.