Bluewind Vermiculite Lightweight Insulating Firebrick is custom made for use with fire proofing fire board furniture. Our products made from high grade non asbestos expanded silver vermiculite which are safe and dependable even in high temperature. The tailor made pore structure of our fire bricks improves insulation efficiency making them perfect for many industrial including furnaces and kilns. These can considerably increase the life span and operational efficiency of your industrial furniture providing you with the safety you need in extremely demanding environments.