View basket “20mm Ballast Mini Bag” has been added to your basket. £2.85 100mm Thermalite Shield / Celcon Blocks quantity Add to basket Categories: Bricks & Blocks, Building Materials Description Description Face Size 440mm x 215mm Related products 6-10mm Stone Half Bulk Bag £30.00 Add to basket 100mm X 30m DPC £5.20 Add to basket 100mm 7.3N GP Concrete Block £2.75 Read more Bond-It Liquid Mortar Plasticiser £5.90 Read more