Duct piping detail and process. conveyance for gases, liquids, or solids such as flour in a bakery or sawdust in a workshop from one point to another in residence, office, or industrial building. Include flexible ductwork, rigid ductwork, and semi-rigid ductwork. Ductwork affects the amount of airflow and its velocity and is very important in how well the HVAC system operates. Also provide waterproofing flashing and also mention slope. for more details of duct piping detail and process download this file .
