Description
Intumescent Acrylic and Acoustic Mastic
Intumescent acrylic and acoustic mastic, a halon-free, intumescent mastic with excellent adhesion to all materials. Available in standard colours brown, grey, black, and white. Additionally, other colours are available to order. For fire-stopping gaps from 1mm up to 60mm wide. Alternatively, for wider gaps, fit Product 40 – Fireproof Sponge into the gap first. After application, a skin forms that allows painting, but the material stays permanently flexible. It is a low-pressure material with good cooling ability for metals and expands up to five times its volume in a fire. Ideal for use horizontally or vertically around exit door frames, cable trays, ducting, and aslo partitions.
Intumescent acrylic and acoustic mastic is a powerful, fire-resistant filler and sealant. Therefore providing a permanent flexible seal against fire, smoke, and toxic fumes. Ideal for use either horizontally or vertically around door frames, cable trays, ducting, and partitions. Additionally, a new acoustic acrylic mastic version is available for non-fire-rated areas.
Available in 310ml tubes.
Tested to BS476 Parts 20 & 22 (1987), achieving integrity ratings of up to 249. Additionally, tested to European Standard EN1363-1 (2000), achieving 126 minutes protection.
We provide a varied selection of fireproof adhesives, fillers and sealants compatible with a range of materials. Browse our full range of Adhesives, Fillers and Sealants products online.