Fire rated air flow ducts These ducts Perform a essential position in protecting against the distribute of fire involving distinctive compartments of the making. Common metallic sheet ducts, when subjected to fires, may well deform and warmth up, getting to be unsuitable for use in fire compartments. Smoke extraction ducts https://spencerpeshw.csublogs.com/46998903/a-secret-weapon-for-fire-resistant-ductwork-installers