How To Measure Sheet Metal Ductwork

Cut a piece of foil tape to length.

How to measure sheet metal ductwork.

Duct velocity calculate velocities in circular and rectangular ducts imperial and si units online calculator. Measure the top width of the ductwork. Duct work 6 x 6 x 36 long with end cap hvac duct rectangular sheet metal duct. This publication shares a part of that expertise with the engineers designers.

To calculate the rectangular duct area we need height width and length. Then click on calculate. Slide the backing up and over the pipe. Measure the side height of the ductwork.

Ductwork seal classes ductwork prone to air leakages. This calculator is designed to give the approximate weight of sheet metal based on length width and thickness. 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. 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.

One end will have an end cap and the other end will be raw notched at 1 2 for easy field modification. 2 scale of the drawing sheet. Here s bob s trick for taping a seam on a pipe that s installed close to the subfloor. When the quantity take off is completed take 10 extra of duct this will resolve the quantity assumption.

The fronts of the plenum and cold air drops in this case are wider than their sides. Peel off part of the backing. Extend your tape measure and hook it over the top edge of the ductwork. How to measure ductwork.

It s why an installer made these complicated transitions. Measure and mark the sheet metal. Producer of sheet metal duct and fitting components for air handling systems. Place the steel ruler anywhere from 10 to 12 inches from the metal s long edge.

Extend your tape measure and hook it over the opposite side of the ductwork as you are facing it. After lining up the ruler to the sheet metal mark the metal at one inch in two places. If the ducts are going to be concealed all seams need to be taped or caulked. Make sure the marks are two feet apart.

Leave backing on the tape on metal ductwork. Hvac duct quantity weight and area calculator. Ductwork support ductwork support and recommended. Enter the length width and number of pieces.

Ventilation systems for ventilation and air handling air change rates ducts and pressure drops charts and diagrams and more. The weight is in pounds. In over 50 years of serving the mechanical system marketplace mcgill airflow has gained a technical expertise which is unmatched in the industry.