Kennedale tx 76060 phone 817 478 0801 fax 817 483 6571 page 5 of 43 sheet metal standards duct guage and enforcing for 1 ess drive gauge of metal duct dimensions 5 joint 4 joint 2 5 joint 2 joint joint.
Gauge of sheet metal used for air condidtioning ductwork.
One end of each piece is crimped for easy fitting of consecutive joints or to sheet metal fittings and flexible duct.
Galvanized steel shall conform to astm a 653.
Your ductwork in angleton tx is the air delivery system for your air conditioner.
Minimum yield strength for steel sheet and reinforcements is 30 000 psi 207 kpa.
Above ground duct systems shall conform to the following.
While sheet metal has been one of the most commonly used materials for ductwork advances have opened the door to several other types of material that are also used to create ductwork.
This measurement is for around duct smaller than 12 inches in diameter and a rectangular section no bigger than 8 inches.
Round ducts and enclosed rectangular ducts 14 inches or less minimum thickness 0 0157 equivalent galvanized gauge size 28.
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.
Unless otherwise specified steel sheet and strip used for duct and connectors shall be g 60 coated galvanized steel of lockforming grade conforming to astm a653 and a924 standards.
Minimum thickness of metal duct material shall be as listed in table m1601 1 1 2.
Box 739 kennedale tx 76060 physical address 528 s.
M1601 1 1 above ground duct systems.
As such it needs to be effective.