Grease duct joints are held collectively through formed V clamps and sealed with 3M Fire Barrier 2000+. A passive fire defense Option for air distribution methods, smoke Command and kitchen area grease ducts Passive Fire End Items can be a type of fire safety provision That continues to be dormant, https://dallasexmbo.blazingblog.com/36949810/5-tips-about-fire-resisting-ductwork-insulation-you-can-use-today