Insulating Wallpaper Using Volcanic Popcorn

A humble soil additive used by millions of amateur and professional gardeners alike is set to slash the cost of the most effective form of insulation for buildings.Brunel University London academic Dr. Harjit Singh has proved in the laboratory that vacuum insulation panels can be made with a core of perlite - the volcanic ore “popcorn” used in horticulture to improve drainage and water retention.This dramatically reduces the cost of the panels which are normally made by surrounding a core of fumed silica with metallised PET envelope. Initial cost savings are estimated to be at least 30 per cent. read more

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