Construction of a clothes dryer or an industrial furnace was never this easy Bluewind vermiculite light-weight insulating brick is manufactured to thrive in higher temperature ranges. Expanded silver vermiculite’s unique characteristics enable great thermal resistance whilst ensuring durability. We use fire bricks that minimize heat loss, thus cutting down the cost of energy sails and they are lightweight making them easy to install. These bricks also allow for controlled pore structure for stability from thermal shock and cracking making them the ideal choice for industries that need to be reliable and efficient.