Web1. Use of 3M Fire Barrier Duct Wrap to provide 2-hour protection for horizontal ductwork: Granted provided protection of supporting construction required by OSSC 707.5.1 and … WebJan 9, 2024 · Shafts are regulated by 2024 IBC 713 and, similar to egress stairways, are required to be fire barriers: 1-hour rated where connecting less than four stories and 2 …
Shaftwall - Georgia-Pacific Building Products
WebSep 30, 2024 · exterior of the stairway or ramps and the walls or openings are exposed by other parts of the building at an angle of less than 180 degrees (3.14 rad), the building exterior walls within 10 feet (3048 mm) horizontally of a nonrated wall or unprotected opening shall have a fire-resistance rating of not less than 1 hour. Webshaftwall construction. With the use of Shaftliner, shaftwall assemblies weigh in at a remarkably low 10 to 13 lbs. per square foot. The benefits of gypsum drywall shaft systems go far beyond the difference in weight alone. The core wall of a shaft can be installed from the exterior of the shaft and requires no scaffolding. Erection is speedy ... thinsol 110
Gypsum Shaftliner Panels: Commercial Construction
WebDec 23, 2024 · If there is no hoistway enclosure (keyword here is enclosure ), then there is no requirement to have a rated shaft enclosure. If the elevator is within a 2-story volume complying with Section 712.1.9, then the elevator is not required to be in an enclosure if located within the 2-story volume. Same goes for elevators located within atria. WebAug 12, 2024 · Fire dampers are required in the following locations: Ducts and air-transfer openings penetrating walls or partitions having a fire resistance rating of 2 or more hours, Ducts and air-transfer openings penetrating shaft walls … WebFire Wall – A fire-resistance-rated wall having protected openings, which restricts the spread of fire and extends continuously from the foundation to or through the roof, with … thinsns