Inspection Doors | McMaster-Carr

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317 Products

Access Panels and Ports

Tank and Hopper Access Panels

Use these rectangular panels to access and inspect the interior of tanks and hoppers.

Tank and Hopper Access Ports

Install on circular cutouts to access and inspect the interior of tanks and hoppers.

Surface-Mount Access Ports

Surface-Mount Access Panels

See-Through Surface-Mount Access Panels

These panels are made of UV-resistant plastic and have a gasket to create a tight seal.

Recess-Mount Access Panels

Adjustable-Fit Recess-Mount Access Panels

Slide the frame apart using its notched tabs to adjust its height and width in 3/8" increments.

Recess-Mount Access Panels with Drywall Flange

After installing in drywall, cover the perforated flange with drywall compound and only the panel will be visible for a clean finish.

Key-Locking Recess-Mount Access Panels

Lock these access panels to prevent tampering.

Gasketed Access Panels

These rectangular panels have gaskets that form a tight seal to keep out dust and moisture.

Gasketed Access Ports

Designed for use with circular cutouts, these panels have gaskets that form a tight seal to keep out dust and moisture.

Insulated Access Panels

Panels are insulated to prevent heat from passing through.

Fire-Rated Access Panels

These panels contain 2" of fire-rated insulation.

Access Ports for Insulated Pipes

These flexible ports are often used to inspect insulated pipes and tanks for corrosion.

Concrete Floor and Sidewalk Access Panels

Install these panels in wet concrete on new floors and sidewalks to access equipment below the surface.

Roof Doors

Access your roof from inside your building.

Duct and Fittings

Quick-Open Duct Access Panels

The panels open and close by turning the knobs.

Duct Access Panels

Also known as cleanouts, panels cover cutouts in duct to provide access for inspection and cleaning.

Quick-Disconnect Duct and Fittings

Join duct and fittings with quick-release clamps for faster disassembly and cleanout than other duct systems.

HMI Covers for Enclosures

See-Through HMI Covers for Enclosures

Monitor HMI covers make it easy to access HMI devices, push-buttons, and other electronics mounted on the exterior of an enclosure through a clear window without opening the cover.

HMI Covers for Enclosures

Easily access HMI devices, push-buttons, and other electronics mounted on the exterior of an enclosure while keeping contents safe from water, oil, dust, and weather.