Made from 90% recycled plastic bottles, Totally itch free, R-value: 5.00, 200mm thick, Overall dimensions: (L)4m x (W)370mm x (T)200mm, Coverage: 1.48m², Heat rises and 26% of all the heat lost in an un-insulated home is through the roof, FOR DIY USE ONLY - This product is subsidised under the Carbon Emissions Reduction Target. It is not for use in new buildings., This offer is not available in Northern Ireland, Channel Islands or Isle Of Man as they do not participate in the CERT scheme., Further subsidies cannot be claimed by professional installers on this product., Insulate your home to reduce carbon emmissions, control bills and make it more comfortable., 86 waste plastic bottles are used to make 1 roll of this insulation