What do I check for finish work: sealant, caulk, and mastic: make it tight and clean?

Final sealing should control air leakage and still look like a professional touched it. Function first, but visible mess creates punch-list heat.

Stop if

• This joint is visible/finished. Which sealant finish do you want here, and should it be paintable/tooled before final walk?

Watch out

• Stop if the required sealant type is unknown, the joint is fire-rated/smoke-rated/grease/exhaust/special system, or sealing would block access/service.

Check

• Use the right sealant/mastic/tape for the spec.
• Apply enough to seal, not enough to make a sculpture.
• Tool visible beads cleanly where finish matters.
• Keep labels, damper handles, access screws, and service points clear.
• Wipe fingerprints and drips before they cure.

Steps

• Use the right sealant/mastic/tape for the spec.
• Apply enough to seal, not enough to make a sculpture.
• Tool visible beads cleanly where finish matters.
• Keep labels, damper handles, access screws, and service points clear.
• Wipe fingerprints and drips before they cure.

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