Alderburgh group is the largest independent manufacturer of DPC in the country; we provide Polyethylene DPC to BS6515, Higrade polymeric high performance DPC, Aldercourse GRA, Tuflex DPC and Alderprufe HC DPC for use with gas protection systems in a wide range of sizes. Preformed corners and cloaks can be manufactured to any size or detail for use in integrated fully sealed cavity tray systems.