one part fire rated intumescent acrylic mastic designed for sealing gaps around fire doors, window frames and for sealing joints, voids and irregular holes in first structures, and for maintaining their integrity when sealing around pipes and cables that penetrate them. Can be used on most construction substances and in most low movement joints up to 25mm wide with no slump. For internal and external use and can be painted over. Tested to BS476: Part 20 & EN 1366-4. Up to 4 hours fire resistance. NHBC type approval. Certifire approval. Acoustic insulation tests to BSEN ISO140-3.
- Size: 310ml
- Colour: White
- Intumescent Mastic with Acoustic Rating
- Advanced intumescent formulation
- UL-EU, UL-C, UL-US Listed