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Inspection Port Accessories: Gaskets & Extension Sleeves

Inspection Port Transition Gasket

When working with 1 1/4" corrugated jacketing, APF offers a secure and permanent solution to mount an inspection port WITHOUT the need to flatten the ridges or install a separate transition sheet first. Simply install our transition gasket under the flange of the inspection port assembly during the installation procedure and secure in place with a mastic or silicone.

Part NumberDescription
94005232 1/2" Transition Gasket
94005244" Transition Gasket
94005255" Transition Gasket

Extension Sleeve

For use when you need to separate the insulation material from the inspector. Whether it's keeping the inspector safe from insulation material such as asbestos or if you just want to prevent accidental wall damage to the insulation, our extension sleeve is the simplest answer to your problem.

APF has the only inspection port on the market that was designed specifically to accommodate an extension sleeve when needed.  As shown in the graphic below, during the installation process, the extension sleeve is slipped over the center draw of our flange and inserted into the inspection chamber. The silicone that is applied under the flange during installation bonds the extension sleeve to the flange for a permanent solution to your material separation needs.

Part NumberDescription
91800044Separation Sleeve,.020 Craft Backed Aluminum

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