S Lock Sheet Metal - Some contractors move away from slip & drive when the width of. Web this product is a flat s lock but with a 1” tall standing seam section that adds strength and rigidity to duct. Web this master flow 10 in. The stack boot is made of galvanized steel. Used on the long side of duct joints as a transverse connector in small duct applications and low pressure, typically less than 2″ wg. Often used in place of (and installed the same way as) flat s lock when width across transverse connection. Web standing s lock allows contractor to use slip & drive method on ductwork that otherwise would fall into tdc/f or ductmate.
Web this master flow 10 in. Web this product is a flat s lock but with a 1” tall standing seam section that adds strength and rigidity to duct. Web standing s lock allows contractor to use slip & drive method on ductwork that otherwise would fall into tdc/f or ductmate. Some contractors move away from slip & drive when the width of. Used on the long side of duct joints as a transverse connector in small duct applications and low pressure, typically less than 2″ wg. Often used in place of (and installed the same way as) flat s lock when width across transverse connection. The stack boot is made of galvanized steel.