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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  > MPFR - Insulated Fire Rated Access Doors  > Model # MPFR3648 MPFR - Insulated Fire Rated Access Doors
Model # MPFR3648 MPFR - Insulated Fire Rated Access Doors

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The MIFAB's MPFR fire rated access door is approved by Underwriters Laboratories Inc., for 1 1/2 hours, "B" label in walls and is approved by Warnock Hersey for 2 hours in ceilings and 3 hours in walls. It meets ANSI-UL 10B standards.

Material - MPFR Series is 16 gage satin coat steel front door with 20 gage backliner and 16 gage satin coat steel frame. The MPFRSS Stainless Steel Series is 16 gage #304 stainless steel front door with 20 gage backliner and 16 gage #304 stainless steel 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. An extra spring is provided with every door greater than 14" x 14" (356 x 356) for ceiling installation. Both springs must be attached to the door to ensure that the door will close when installed in the ceiling.

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 hours for walls. Warnock Hersey: 1 hour combustible ceilings and walls, 2 hour non-combustible ceilings, and 3 hour non-combustible walls. Ceiling fire ratings are up to and including the 24" x 36" (610 x 914) size.

Insulation - Roxul Rockboard 80. 2" (50) thick and fire retardant.

Packaging - Individual pack.

Door Size (B x A)

36" x 48" (914 mm x 1219 mm)

Wall Opening

36 1/2" x 48 1/2" (927 mm x 1232 mm)

Shipping Weight

80.00 lbs.



The hinge is always furnished on the "A" or height (Longer) dimension unless otherwise specified.
Item Name
MPFR - Insulated 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