Confirm Which Seams and Joints Get Sealed
Use the project seal class and duct-system requirements to identify the exact longitudinal seams, transverse joints, penetrations, and connections that require sealing.
Stop if For this [system/pressure class], which seams and joints are included in the required seal class, and are there any exceptions on the detail? Watch out Do not assume every seam gets the same treatment or copy the last job's sealing pattern. Check Identify the system and pressure class Find the project seal-class requirement Separate factory seams from field joints and penetrations Confirm special duct requirements Mark inaccessible joints before they are covered Steps Identify the system and pressure class Find the project seal-class requirement Separate factory seams from field joints and penetrations Confirm special duct requirements Mark inaccessible joints before they are covered Say this to your foreman For this [system/pressure class], which seams and joints are included in the required seal class, and are there any exceptions on the detail?
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