Acrylic intumescent mastic is designed to prevent the spread of fire from one compartment to another wherever services penetrate separating walls and floors or wherever a gap remains between elements in fire rated constructions, walls or floors.
Acrylic intumescent mastic provides up to four hours of fire resistance.
Acrylic intumescent mastic is a single part, water-based acrylic mastic, which provides a firm but flexible seal to joints in a variety of fire-rated structures. It will not support combustion and when exposed to fire it expands effectively to seal any gaps, preventing the spread of smoke and fire through any joints.
Comprehensively tested and assessed by independent authorities in accordance with BS476 part 20BS ENl 366-3, ASl 530.4, AS4072.1 and SABS 0177 Part 2, it provides up to four hours of fire resistance.
Acrylic intumescent Mastic is suitable for use in most buildings which-have gaps or joints in -or where services pass through – fire rated compartment walls and floors.
Typical types of building where acrylic intumescent mastic is commonly used are:
Flats and Apartment Blocks
When exposed to the heat of a fire, the intumescent material contained in the FR Acrylic intumescent mastic expands to fill any small gaps, thereby maintaining the integrity of the seal and preventing the spread of fire from one compartment to another.