Mixed TDC and Ductmate parts incorrectly
Do not treat TDC and Ductmate parts as interchangeable just because they look similar. Confirm the connector family, gasket, corners, clamps/cleats, and approved detail before mixing or substituting.
Stop if The spec says but the duct arrived with . Are these approved as equivalent on this job, or do we need direction before installing? Watch out Do not mix TDC/Ductmate parts because they look close enough. Check Identify which connector system the duct actually has. Compare the shop drawing/spec/submittal requirement. Check corner pieces, gasket type, clamps/cleats/bolts, and pressure class. Photograph the mismatch if the shipped duct does not match the spec. Ask before substituting or sending material back. Steps Identify which connector system the duct actually has. Compare the shop drawing/spec/submittal requirement. Check corner pieces, gasket type, clamps/cleats/bolts, and pressure class. Photograph the mismatch if the shipped duct does not match the spec. Ask before substituting or sending material back. Say this to your foreman The spec says but the duct arrived with . Are these approved as equivalent on this job, or do we need direction before installing?
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