Intumescent Mastic.

by astroflame fireseals ltd
A one part intumescent acrylic mastic for sealing gaps around fire doors, window frames and for sealing joints, voids and irregular holes in fire rated structures. The sealant forms a char, preventing the passage of fire and smoke, when exposed to the heat of a fire.

Specification Details for Intumescent Mastic. (Sealants)

Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that astroflame fireseals ltd is consulted before specifying.

Looking for specific information on the sustainability credentials of this product?

File Downloads for Intumescent Mastic.

Clear selection

One-Click Quote