WebAcross nearly 150 pages, “The Wood Book” provides detailed, fire-rated UL designs for wood-frame walls as well as floor-ceiling and roof-ceiling assemblies; head-of-wall and rim joist details for the intersections of walls and floor-ceiling assemblies; multiple design options for mechanical, elevator and stair shaft enclosures; and new area separation wall details … WebFigure 2a – UL Fire-Rated Floor/Ceiling Assembly with Non-Rated Chase Wall • Figure 2a meets UL requirements for L500 series floor/ceiling assembly and is based on UL Engineering Study R9700, 9-27-96, for wall and floor/ceiling assembly construction. • Ceiling gypsum must be continuous when non-rated, single top plate wall construction is ...
A New Dynamic Approach to Ceiling Damper Certification - UL Solutions
WebFinish Flooring - Floor Topping Mixture* — Min 3/4 in. thickness of any Floor Topping Mixture bearing the UL Classification Marking as to Fire Resistance. See Floor- and Roof-Topping Mixtures (CCOX) category for names of Classified Companies. Floor Mat Materials* — (Optional, Not Shown) - Floor mat material loose laid over the subfloor ... Webfloor-ceiling assembly shall be constructed of the materials and in the manner specified in Design Nos. L505, L511 or L536 in the UL Fire Resistance Directory. The F Rating of the firestop system is equal to the rating of the floor-ceiling assembly. The general construction features of the floor-ceiling assembly are summarized below: tex watson arrest
Assembly Detail - UL H505 - USG
WebTitle: UL Design No. G502 Author: Powers Created Date: 3/26/2007 11:52:26 AM WebI have a renovation project where I am required to install a 1-hour fire-resistant floor/ceiling assembly that is also sound rated. I have found an assembly in the Fire Resistance and Sound Control Design Manual that is comparable, but uses I-joists of the same dimension of the lumber joists I have on this project. Can I use that assembly? WebULC Standards develops and publishes standards and specifications for products having a bearing on fire, life safety and security, crime prevention, energy efficiency, environmental safety, security of assets and facilities, live working and workplace safety and other areas. sydfyns mc service