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![SuperFOIL SF40 65mm (1.5m x 10m)](http://www.cutpriceinsulation.co.uk/cdn/shop/products/SF40_65mm_be1a60b2-72be-4d71-a899-5c714b5376a4_grande.jpg?v=1668163128)
SF40 65mm is Superfoil‘s extra performance multifoil insulation. Extremely cost effective with a 68% increase in performance over our standard multifoil. SF40 beats any multifoil competitor products R value.
SuperFOIL SF40 65mm maximises roof and wall insulation with efficient use of space.