A versatile wrap process formulated for dryer venting ducting in multi-unit housing wherever dryer exhaust ducting passes through many fire rated compartments just before venting to outdoors the constructing. Compartment partitions and floors needs to have a specific fire resistance, which suggests that the effectiveness standards of load-bearing potential (security), https://caswell-group78890.blue-blogs.com/43921768/5-simple-techniques-for-fire-resistant-ductworth-isntallers