Bluewind Vermiculite Insulating Fire Brick is specially developed for effective insulation of industrial furnaces. These bricks are made of non asbestos expanded silver vermiculite and provide a controlled pore structure for optimal insulation efficiency. Furthermore, the low weight of the bricks makes the installation process easier and reduces the amount of work as well energy utilized for running the furnace. As the various industries place a greater focus on efficiency and lower waste our products are well suited to improve the performance of furnaces around the world.