View basket “100mm 3.6N GP Concrete Block” 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 4m X 25m DPM, 300mu £53.40 Add to basket 100mm 7.3N GP Concrete Block £2.75 Read more 20mm Ballast Mini Bag £3.50 Add to basket Spear and Jackson 50m Braided Lines £3.99 Add to basket