Our selection of Fire Break Fixings can be used to fix insulation boards to the substrate. The Rawlplug Zinc Plated Fire Rated Fixings' zinc-plated body ensures that corrosion and rust are kept to a minimum. It also works to maintain your system's excellent standard of fire protection. These particular fixings are suitable for a wide range of substrates. For example, aerated concrete block, solid brick, solid sand-lime brick, and concrete.