How To Measure Sheet Metal Ductwork

After you buy the metal and tools like a sheet metal hammer and steel ruler you can start making ductwork for your hvac.

How to measure sheet metal ductwork. Enter the length width and number of pieces. Then click on calculate. Measure and mark the sheet metal. This calculator is designed to give the approximate weight of sheet metal based on length width and thickness.

Producer of sheet metal duct and fitting components for air handling systems. Make sure the marks are two feet apart. How to measure and make transitions between new furnace and old plenum in the pictures below you can see how different hvac companies changed out the furnaces and connect old ductwork to new equipment. Ductwork seal classes ductwork prone to air leakages.

Leave backing on the tape on metal ductwork. Here s bob s trick for taping a seam on a pipe that s installed close to the subfloor. This publication shares a part of that expertise with the engineers designers. Ductwork support ductwork support and recommended.

Extend your tape measure and hook it over the top edge of the ductwork. Ventilation systems for ventilation and air handling air change rates ducts and pressure drops charts and diagrams and more. After lining up the ruler to the sheet metal mark the metal at one inch in two places. Duct velocity calculate velocities in circular and rectangular ducts imperial and si units online calculator.

Hvac duct quantity weight and area calculator. How to measure ductwork. The fronts of the plenum and cold air drops in this case are wider than their sides. If the ducts are going to be concealed all seams need to be taped or caulked.

Extend your tape measure and hook it over the opposite side of the ductwork as you are facing it. The spreadsheet is for duct sheet metal quantity estimation. Slide the backing up and over the pipe. Peel off part of the backing.

Duct work 6 x 6 x 36 long with end cap hvac duct rectangular sheet metal duct. Using the steel ruler you can then start measuring and marking the metal before cutting and forming it. Place the steel ruler anywhere from 10 to 12 inches from the metal s long edge. Measure the side height of the ductwork.

To calculate the rectangular duct area we need height width and length. It s why an installer made these complicated transitions. 2 scale of the drawing sheet. In over 50 years of serving the mechanical system marketplace mcgill airflow has gained a technical expertise which is unmatched in the industry.

Cut a piece of foil tape to length. When the quantity take off is completed take 10 extra of duct this will resolve the quantity assumption. This excel sheet is for hvac duct measurement like duct weight duct area and all calculation related to ductwork like hanger supports and duct insulation.