View basket “20mm Stone Half Bulk Bag” has been added to your basket. £12.60 300mm X 30m DPC quantity Add to basket Categories: Bricks & Blocks, Building Materials Description Description Damp-proof course (DPC) offers a protective barrier; and is used within the inner layers of brick or block walls to protect buildings from rising damp. Related products 100mm Thermalite Shield / Celcon Blocks £2.85 Add to basket 20mm Ballast Half Bulk Bag £28.00 Add to basket 6-10mm Stone Half Bulk Bag £30.00 Add to basket 100mm 3.6N GP Concrete Block £2.75 Add to basket