Bluewind’s Duct Fire Board is manufactured with non-asbestos expanded silver vermiculite and is expected to last long while withstanding high temperatures. Its pore structure is truly homogeneous, giving it enhanced thermal insulation characteristics. Advanced Duct Fire Board is most suitable for use as transition lining on furnaces or as backup insulation used in industry furnaces and can withstand the performance expectations. Adopting bluewind you can count on an option that matches the rigorous requirements of industry.