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).
2015 IBC - 707 Fire Barriers
Exception 3: Openings shall not be limited to 156 square feet 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.