View basket “50mm PIR Insulation Board” has been added to your basket. £6.59 50-100mm Cavity Closure, 2.4m quantity Add to basket Category: Building Materials Related products Line Marker Spray – 750ml £7.99 Select options 50mm PIR Insulation Board £40.00 Add to basket 20mm Stone Half Bulk Bag £30.00 Add to basket 20mm Stone Bulk Bag £48.00 Add to basket