4X4 Single Cab Sound Deadening PacksSTANDARD PACKS Pack 1 and 2 come with Waterproof Carpet underlay a peel and stick closed cell foam that you stick on the Sound Deadener. Pack 1 insulates the floor and rear wall, Pack 2 adds on the doors and roof. The 4x4 Single Cab Floor pan + rear wall pack includes: Pack 1 (approx 15kg)2 Boxes (3. 6sq m) of Stage 1 Sound Deadener Install on your floorpan and rear firewall, cover from above your pedals, across the floor pan up the rear firewall to