Sealing Flex Connections | TinnerFlow

Field problem

Verify first

Verify before you commit. Cheap to catch now.

Sealing Flex Connections

Unsealed inner core leaks; insulation gap

Flex Duct, Boots, Collars & Grilles 2nd Year YELLOW

Stop if

Two-band and mastic this flex connection?

Watch out

Skip inner seal

Check

Inner core mastic/banded, insulation pulled, outer banded

Steps

Inner core mastic/banded, insulation pulled, outer banded

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