View basket “50mm PIR Insulation Board” has been added to your basket. £0.96 Class B Engineering Brick quantity Add to basket Categories: Bricks & Blocks, Building Materials Related products Spear and Jackson 50m Braided Lines £3.99 Add to basket Line Marker Spray – 750ml £7.99 Select options 100mm Thermalite Shield / Celcon Blocks £2.85 Add to basket 150mm X 30m DPC £7.50 Add to basket