CLEARANCE! We're getting rid of our final lines of Alumaflex Multi Foil Insulation, great for insulation roofing or your loft/attic. It comes in 10m rolls which are 1.2m wide, a total area of 12m2. Alumaflex thin roof insulation is also BBA Certified. The approximate thickness of Alumaflex Multi Foil Thin Roof Insulation is only around 30mm. Alumaflex Insulation is easy to cut and handle, its flexible and very lightweight and can be used for any insulating purpose. Reflecting 95% of radiant energy, This Thin Roof Insulation will keep your central heating in the room during the winter, and will keep the room cool in the summer by reflecting the blistering heat from outside the house - This is very noticeable in lofts as its freezing in the winter and the hottest place in the house in summer.