Fantastic write-up Alison! Even though we prefer sheet metallic, especially for trunk strains, big duct devices could be exorbitantly costly if done in all metal. There are times where by flex duct (or sections of it) can assist to reduce prices. Inside our retrofit function, we’d somewhat see a customer https://mysocialport.com/story3515516/top-latest-five-fire-resistant-ductwork-installers-urban-news