View basket “100mm Thermalite Shield / Celcon Blocks” has been added to your basket. £5.20 100mm 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 Line Marker Spray – 750ml £7.99 Select options Class B Engineering Brick £0.96 Add to basket Spear and Jackson 50m Braided Lines £3.99 Add to basket 20mm Ballast Bulk Bag £42.00 Add to basket