Won-Door FireGuard MFW (Movable Fire Wall)

The Won-Door FireGuard MFW (Movable fire wall) product is U.L. Certified as meeting the criteria required by ANSI/UL263 (ASTM E119). When the building code restricts the size of openings in a Fire Barrier, the FireGuard MFW provides a viable solution.

The FireGuard MFW is available in the following U.L. ratings: MFWI (1-hour) or MFWII (2-hour).

2021 IBC - 707 Fire Barriers

707.6 Exception 3: Openings shall not be limited to 156 square feet (15m²) or an aggregate width of 25 percent of the length of the wall where the opening protective has been tested in accordance with ASTM E119 or UL 263 and has a minimum fire-resistance rating not less than the fire-resistance rating of the wall.
*Increased custom heights & widths available with AHJ approval.

HD Unitized Track System

Heavy Duty Unitized Track System (HDUTS) eliminates the layers of plywood and drywall found in conventional accordion fire door headers.

Code Compliance

Won-Door FireGuard MFWI & MFWII comply with ASTM E119 & ANSI/U.L. 263

Motor Drive Systems

Automatic closing system listed in accordance with U.L. 864

Storage Pockets

Doors require 1'-8" wide pockets (For pocket depth use the Stack icon below product downloads)

Height & Width Restrictions

Won-Door FireGuard MFWI & MFWII doors are U.L. approved for openings up to 10'-0" in height & 30'-0" in width. For increased heights and widths, please contact your Local Sales Representative.

Pocket Cover Door & Bumper

Pocket cover door & bumper supplied by others.

Details below include Plan View, Elevation, Head Detail, & Electrical Diagram.

Product Downloads

Straight Movable Fire Wall

- RFA
- DWG
- DXF
- PDF
1 Hour Details (MFW-I)
- RFA
- DWG
- DXF
- PDF
2 Hour Details (MFW-II)

Curved Movable Fire Wall

- RFA
- DWG
- DXF
- PDF
1 Hour Details (CMFW-I)
- RFA
- DWG
- DXF
- PDF
2 Hour Details (CMFW-II)

For more information about our other Won-Door accordion doors click here.

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