Duct liner loose at connection

Loose liner at a connection can peel, flap, restrict airflow, or shed debris. Stop and get the liner edge fixed before the joint is hidden.

Stop if

• The liner is loose at this connection. Do you want it secured per the liner detail before we close this joint?

Watch out

• Do not rely on the duct connection to trap loose liner in place.

Check

• Look at the liner edge at the connection or cut.
• Check whether screws, raw edges, or airflow could lift the liner.
• Verify the approved adhesive/pin/washer detail.
• Do not cover the joint until the loose liner is secured.

Steps

• Look at the liner edge at the connection or cut.
• Check whether screws, raw edges, or airflow could lift the liner.
• Verify the approved adhesive/pin/washer detail.
• Do not cover the joint until the loose liner is secured.

More in Insulation, Liner & Vapor Barrier