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Serving all of the USA, Canada, Australia and the Middle East, MIFAB can provide you with the quality, engineered plumbing and drainage solutions you need. Innovative product designs save the installer time and material cost and provides the owner with higher quality cast stainless steel drains and cleanouts for the same cost as the industry standard nickel bronze. Contact us today to learn more.

All Categories  > Access Doors  > MFRU - Uninsulated Fire Rated Access Doors  > Model # MFRU1818 MFRU - Uninsulated Fire Rated Access Doors
Model # MFRU1818 MFRU - Uninsulated Fire Rated Access Doors

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List Prices


The MIFAB MPFRU fire rated access door is approved by Underwriters Laboratories Inc. for 1 1/2 hours. "B" label in walls.

Material - MFRU Series is 16 gage satin coat steel door and frame. The MFRUSS Stainless Steel Series is 16 gage #304 stainless steel door and frame.

Finish - Satin coat steel doors have a primed white finish. Stainless steel doors have a #4 brush satin finish.

Door - Flush to frame. Self-closing. Can be opened from the inside or back of the door with MIFAB's unique thumb turn latch.

Frame - Four piece welded frame with masonry mounting straps.

Hinge - Concealed pivot pins.

Spring - Heavy duty.

Latch - Standard - Flush mounted, interchangeable turn ring operator and key operator latch. Optional - cylinder key lock. All of MIFAB's cylinder key locks are keyed alike.

Fire Rating - Underwriters Laboratories "B" label. 1 1/2 hour for walls. Insulationnot required.

Packaging - Individual pack.


Mild Steel

Door Size (B x A)

18" x 18" (457 mm x 457 mm)

Wall Opening

18 1/2" x 18 1/2" (470 mm x 470 mm)

Shipping Weight

17.00 lbs.



The hinge is always furnished on the "A" or height (Longer) dimension unless otherwise specified.
Item Name
MFRU - Uninsulated Fire Rated Access Doors
Dimensional Drawing
1321 West 119th Street Chicago, IL 60643
Toll Free: 800.465.2736
Tel: 773.341.3030
Fax: 773.341.3047
E-mail: sales@mifab.com