Pyroplex Intumescent Acrylic Sealant is a one-part high modulus, halogen free material. The product is primarily designed for use in internal application. It is suitable for perimeter pointing around doors, windows, metallic services, and for use in low movement linear joints in walls and floors.Pyroplex Intumescent Acrylic Sealant can provide up to 240 minutes fire resistance integrity depending on application and backing material required. The material is compatible with common building materials.Pyroplex Intumescent Acrylic Sealant is tested to BS 476: Part 20 1987, BS EN1366-4: 2006 and has European Classification EI240 in accordance with BS EN 13501-2: 2007.