Our current market foremost FastWrap XL is well placed on ducts and offers powerful audio absorptions and fire defense. FastWrap duct wrap is totally inorganic and non-combustible. Uninsulated ventilation duct assemblies are intended for use in environments exactly where the clearance to combustible resources and combustible assemblies is no less https://fireratedductworth90112.blog5star.com/37338448/not-known-factual-statements-about-fire-rated-insulation-for-ductworth