PACK OF 20 (Total 20 Units) - Premium Multi-foil Insulation 6.25m x 1.6m x 45mm - This Multi-foil is a thin multifoil insulation product with a built-in vapour control function and an unrivalled thermal performance. This Multi-foil provides dual performance within a single product: a vapour control layer and insulation, allowing a reduction in the number of installation steps whilst reducing the thickness of the main insulation to achieve the same required U-value. It can be used in conjunction with any type of insulation. Key Features - Airtight, water vapour resistant and reflective Can be used in conjunction with any type of insulation Lightweight - easy to install, transport and store Complies with EN 13984 Used on the warm side of any insulation material, behind the internal finish in roofs, walls and ceilings