Sheet Metal Thickness For Heating Ducts

In over 50 years of serving the mechanical system marketplace mcgill airflow has gained a technical expertise which is unmatched in the industry.

Sheet metal thickness for heating ducts.

This will improve the energy efficiency of your system and lower your utility bills. Galvanized steel flat sheet can be cut to size for a tough hvac job that requires a customized fitting. Duct construction reinforcement 20 9 1 duct sheet metal thickness 20 9 2 duct hanger spacing 21 10 0. Shop for sheet metal duct pipe fittings at ferguson.

This sheet of 30 gauge galvanized steel has a maximum temperature rating of 390. Ferguson is the 1 us plumbing supply company and a top distributor of hvac parts waterworks supplies and mro products. The thinnest acceptable sheet metal for ductwork used in a single dwelling is 28 gage or 0 013 and 0 018 inches for galvanized and aluminum respectively. 1 inch 25 4 mm 1 smacna sheet metal and air conditioning contractors national association recommended gages for circular ducts for heating and general ventilation work recommended gages for circular ducts for industrial exhaust work.

Producer of sheet metal duct and fitting components for air handling systems. Recommended practices for ducting layout 21 10 1 zoning 22 10 2 selecting outlets and intakes for supply return and extract 22. This publication shares a part of that expertise with the engineers designers. When attaching to sheet metal fittings slide the crimped end of the duct into the straight end of the fitting and secure with sheet metal screws at about 4 on center.

This measurement is for around duct smaller than 12 inches in diameter and a rectangular section no bigger than 8 inches. 2 820k return air 790 draw bands flex duct elbow 714 damper 090a angle round to oval boot 012 oval stackhead round duct 710r 90.