Alderburgh Ltd is the largest independent manufacturer of dpc in the country; we provide Polyethylene DPC to BS6515, Higrade polymeric high performance dpc, Aldercourse GRA gas barrier dpc, 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 fully integrated dpc systems.