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Article content provided by Sheet Metal Connectors, Inc.

Complete Seal Duct Connection Technology – This results in labor savings to the contractor and a clean, aesthetically pleasing system for the end user.

Since the initial release of Complete Seal in 2010, SMC’s customers have seen thousands of hours of labor savings on their projects. Manufactured from galvanized steel, Complete Seal fittings are spec ASTM A-653 (lock-forming quality). They feature a double-legged EPDM rubber gasket to guarantee an airtight fit when slipped into spiral pipe. Gaskets are mechanically fastened to fittings with a 180-degree hemmed edge. This hem gives added rigidity to the fittings, ensures that the gaskets will never slip out of place and creates a safe, rounded edge for the installer.

Complete Seal fittings are independently tested by a third party to meet the requirements of �鶹��� leakage class 3 for -10” w.g. to +10” w.g. The EPDM rubber gaskets have operating temperature of -40 degrees to 250 degrees Fahrenheit. The flame spread and smoke developed is 0/5 in compliance with ASTM E-84-91A. The Complete Seal end treatments are applied to the EZ Tap Takeoff Collar, the Super HETO (high-efficiency takeoff) as well as the rest of SMC’s energy efficient and time saving duct fittings.

Installing Complete Seal fittings is quick and easy. Simply insert the fitting into the spiral duct all the way up to the spiral stop bead. Secure in place with self-tapping sheet metal screws. Fittings will fit snugly inside the pipe to ensure a tight seal. Screws must be within one inch of the spiral stop bead and at uniform intervals not to exceed 15” along the circumference, and use a minimum of three screws must on all diameters 14” or less. Then, move along to the next piece of duct. No added sealant or caulk needed.

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Sheet Metal Connectors, Inc. is a fabricator of standard and custom commercial and industrial sheet metal products. Some of our offerings include rectangular ductwork and fittings, spiral pipe and fittings, custom welding, double wall duct, pressed round fittings, and oval pipe.