to achieve the hourly rating of the system. The annular space of a penetrating item through a rectangular opening is determined by measuring the distance from the closest point of the …

XHEZ - Through-penetration Firestop Systems XHEZ7 - Through-penetration Firestop Systems Cer tified for Canada See General Information for Through-penetration Firestop S ystems. See General Information for Through-penetration Firestop S ystems Certified for Canada. System No. C-A J-4034. July 12, 2016. ANSI/UL1479 (ASTM E814)

See Concrete Blocks (CAZT) and Precast Concrete Units (CFTV) categories in the Fire Resistance Directory for names of manufacturers. 2. Through Penetrants — One nonmetallic pipe to be installed either concentrically or eccentrically within the firestop system. Pipe to be rigidly supported on both sides of floor or wall assembly.

Title: XHEZ.GuideInfo - Through-penetration Firestop Systems _ UL Product iQ Author: KOLOWIL Created Date: 10/13/2022 9:21:26 AM

2019年2月5日 · Users of fire resistance assemblies are advised to consult the general Guide Information for each product category and each group of assemblies. The Guide Information includes specifics concerning alternate materials and alternate methods of construction. Only products which bear UL's Mark are considered Certified.

XHEZ - Through-penetration Firestop Systems See General Information for Through-penetration Firestop Systems System No. C-A J-0176 F Rating — 3 Hr T Rating — 3 Hr W Rating - Class 1 1. Floor or Wall Assembly — Min 4-1/2 in. (114 mm) thick reinforced lightweight or normal weight (100-150 pcf or 1600-2400 kg/m )

8/21/2020 XHEZ.W-L-4103 - Through-penetration Firestop Systems | UL Product iQ https://iq.ulprospector.com/en/profile?e=1001927 2/3 1. Wall Assembly — The 1 or 2 hr fire rated gypsum board/steel stud wall assembly shall be constructed of the materials and

Explore UL Solutions numbering systems for penetration firestop and joint systems to support accurate identification and promote leading standards in fire safety. UL Solutions has a long-established numbering system for Through-Penetration Firestop Systems (XHEZ) and Joint Systems (XHBN).

2011年6月22日 · UL XHEZ.W-J-3109 Concrete 2 Hr. Through-penetration Firestop System using Unique Fire Stop Products - Smooth Penetrator. Wall Assembly — Min 6 in. (152 mm) thick reinforced lightweight or normal weight (100-150 pcf or 1600-2400 kg/m3 ) concrete. Wall may also be constructed of any UL Classified Concrete Blocks*.

2020年8月31日 · UL 1479, "Fire Tests of Penetration Firestops," defines the criteria for hourly F, T, L and W ratings for firestop systems. The F-rating criteria prohibits flame passage through the system and requires acceptable hose-stream test performance.