View basket “300mm X 30m DPC” has been added to your basket. £0.96 Class B Engineering Brick quantity Add to basket Categories: Bricks & Blocks, Building Materials Related products 20mm Ballast Mini Bag £3.50 Add to basket Line Marker Spray – 750ml £7.99 Select options Bond-It Liquid Mortar Plasticiser £5.90 Read more 20mm Ballast Bulk Bag £42.00 Add to basket