A versatile wrap system developed for dryer venting ducting in multi-device housing where by dryer exhaust ducting passes as a result of various fire rated compartments right before venting to exterior the constructing. Common metal sheet ducts fail to meet internationally accepted fire defense necessities. They warmth and deform promptly https://ductworth-installation90111.blog4youth.com/37106735/details-fiction-and-caswell-group