Made of aluminum foil film material, non-toxic, anti - radiation, flame retardant. Increases thermal efficiency of your loft, floor or motorhome and reduces noise pollution. 3mm thick, foil radiant barrier on the outside with soft bubble on the inside, helps to keep home warm in winter and cool in the summer. Saves energy by reducing the stress on heating and cooling systems. Perfect for adding extra insulation to roofs, walls, floors, Greenhouses and more.

Material: Double Sided Aluminum Foil Film Thickness: 3 -4 mm Radiant heat: 90% Thermal Resistance: 0.79m2K/w (20mm clear cavity to foil faces) Water Vapour Resistance > 150MNs/g

Something not quite right? You have 21 days from the day you receive it, to send something back. When you purchase Debenhams Deliver+, you will have an extra 14 days on top of our standard 21-day window to initate a return.

Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken.

Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.

Click here to view our full Returns Policy.