Joint opens after lift because duct unsupported

If a joint opens after the lift, the duct is probably unsupported, stressed, or misaligned. Fix support/fit before sealing.

Stop if

• This joint opened after lift because the duct looks unsupported/stressed. Do you want support corrected before sealing?

Watch out

• Do not seal a joint while duct weight is still pulling it apart.

Check

• Check hanger/support near the joint.
• Confirm duct is level/aligned.
• Look for weight pulling the joint open.
• Re-seat/tighten only if directed.
• Seal after the joint is stable.

Steps

• Check hanger/support near the joint.
• Confirm duct is level/aligned.
• Look for weight pulling the joint open.
• Re-seat/tighten only if directed.
• Seal after the joint is stable.

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