Sometimes, air dealing with models may share a similar ductwork with smoke extraction followers. In this case, the ducts employed for air conditioning must also be specified as hearth-rated ducts. When useful for air conditioning, flexible ducts are insulated with fiberglass insulations. Meanwhile, flexible ducts with no insulations are only https://eduardo7bksz.ziblogs.com/32185092/the-air-conditioning-duct-installation-diaries