Tunnel fixings

Impertek's Tunnel Line includes special fixings designed to ensure the correct application of PVC synthetic waterproofing felts inside tunnels. Flat discs, for example, are designed to fix the non-woven diffuser layer to the tunnel walls, allowing the waterproofing membrane to be incorporated by hot air welding; to ensure maximum watertightness, the discs are welded along the entire PVC sheet to ensure resistance to any thrust generated by water stagnation. The range also includes ribbed discs, designed to achieve excellent incorporation, including on uneven surfaces, thanks to their special shape