Blue wind has manufactured the Bluewind Vermiculite lightweight insulating firebrick to provide the best heating insulation in industries. This specific firebrick is made from non-asbestos expanded silver vermiculite which is guaranteed to work in most applications as it is easy to use and dependable. Not only does this firebrick boost the overall insulation of the furnace but it also extends its life cycle which is a huge benefit for any sort of industry looking for a reliable source of insulation.