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Material Bank
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The Won-Door FireGuard’s Moveable Fire Wall offers a distinct fire-resistive rating that can be used as an alternative to traditional fire barriers when building codes limit the size of penetrations. Designed to meet ASTM E-119 standards, the Moveable Fire Wall allows protection for large openings that would otherwise be restricted by code requirements. The Won-Door FireGuard MFW (Movable Fire Wall) is U.L. certified to meet the ANSI/UL263 (ASTM E119) criteria. This provides a viable solution when building codes limit the size of openings in a fire barrier. 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.