Envirograf Intumescent Gasket Shlw for 1 Gang Dry Lining Boxes

Top-selling electrical putty pads designed with intumescent for dry lining boxes. Electrical protection gaskets for BESA or universal boxes, where conduits pass through fire-rated ceilings and walls. BESA or universal boxes must have intumescent gaskets fitted to stop fire penetrating. Furthermore, metal socket boxes must have gaskets installed where they’re back-to-back, this also includes if cables pass through walls. Our extensive range of expanding intumescent gaskets and linings are ideal for a wide range of standard electrical boxes · · · Solutions for both plastic and metal boxes, providing up to 4 hours protection · · Compatible with single or double socket or switch boxes · · BESA boxes · · Universal conduit boxes and ceiling roses · · Complies with IEE Wiring Regulations · · Bringing standard boxes in line with Document B