How To Do Sheet Metal Ductwork
Prime the metal with an acrylic latex metal primer.
How to do sheet metal ductwork. Download hvac duct quantities weight and area calculation sheets excel sheets for duct sheet metal quantities calculation. Download free mep calculation excel sheets autocad drawings and training courses for hvac firefighting plumbing and electrical systems design. The exact size of the pieces of sheet metal are cut will depend on the project. Round metal duct pipe galvanized sheet metal duct work 24 metal ducts 16 inch hvac 3 inch rigid pipe.
How do metal fabricators create ductwork. These pieces are connected to distribute air throughout the house. If the ducts will get hot use a primer with a high heat resistance. It appears simple enough a metal box without ends but making a piece of square duct out of a flat piece of sheet metal takes a little practice to master according to christian smith an hvac contractor.
To ensure proper connections minimize leaks and maximize efficiency it is important to understand how to properly connect the duct work. Metal also offers a lower resistance to airflow and many of the problems listed above are irrelevant to sheet metal rigidness. Sealing and insulating your duct work can improve the efficiency of your heating and cooling system by as much as 20 percent according to the u s. It all begins with cutting the sheet metal to size specifications.
Many people often hire a professional to do the insulation project. Step 1 understand the material requirements. The duct work is made of pieces of sheet metal that are either round or rectangular. There s a complex step by step system to how metal fabricators create ductwork.
Round metal duct pipe. Once the sheet metal is cut it s burned together to create shapes. Metal ductwork needs design measurement and installation by or with the help of an hvac professional. Making duct or duct fabrication is a skill unto itself.
Choose from our selection of sheet metal ductwork including standard duct and fittings rectangular duct and fittings and more. How to insulate sheet metal ac ducts. Insulating sheet metal duct work is only a moderately challenging project and using the tools and equipment mentioned as per the steps mentioned below you can go about the project with little difficulty.