Wonderful submit Alison! Although we prefer sheet metal, specifically for trunk lines, huge duct devices can be exorbitantly expensive if completed in all steel. There are times wherever flex duct (or sections of it) may also help to scale back fees. Inside our retrofit function, we’d relatively see a client https://zbookmarkhub.com/story18409441/top-latest-five-fire-resistant-ductwork-installers-urban-news