12 2 hr. UL U302 Two layers 5/8" (15.9 mm) Fire-Shield Gypsum Wallboard GA WP 8410 nailed horizontally or vertically to inside face of 2 x 4 (38 mm x 89 mm) wood studs 16" o.c. (406 mm). 1/2" (12.7 mm) gypsum sheathing nailed to outside face of studs, brick veneer facing. 13 1 hr. UL Based on 5/8" (15.9 mm) Fire-Shield Gypsum Wallboard nailed

2-hour exterior wall assembly per UL U371. Exterior wood structural panel sheathing included.

basic drywall construction suitable where SHEETROCK Brand Gypsum Panels are applied direct to wood framing—either vertically with long edges parallel to framing, or horizontally with long edges at right angles to framing members.

Product iQ is UL Solutions' online location for certification information. It combines data from many legacy UL solutions, including the Online Certification Directory, Product Spec and several iQ databases into one streamlined experience.

广州总部：广州高新技术产业开发区科丰路31号华南新材料创新园G1栋812 Tel：86 20-82529612/82529712 Fax：86 20-82529512. 上海分公司：上海市嘉定区天祝路789弄2号楼1605室 Tel：86 21-59106046 Fax：86 21-59106045. 印度办事处：No-303, NMS Titanium, Plot no 74, Sector 15, CBD Belapur, Navi Mumbai, Maharashtra 400614

How can I determine if a fire-resistance rated wall described in a UL design is suitable for use as an exterior wall? The fire-resistance rated wall assemblies published under the U, V and W series of designs on the UL Online Certifications Directory are intended for interior applications unless otherwise specified or implied in the design.

1 layer 5/8" [15.9 mm] Sheetrock® Gypsum Panel (UL Type SCX) Sheetrock® Brand Firecode® X Gypsum Panels; Layer 2 - Gypsum Panel: 1 layer 5/8" [15.9 mm] Sheetrock® Gypsum Panel (UL Type SCX) Sheetrock® Brand Firecode® X Gypsum Panels; Layer 3 - Resilient Channel:

2020年9月23日 · Gypsum Board* — Any 5/8 in. thick UL Classified Gypsum Board that is eligible for use in Design Nos. L501, G512 or U305. Nom 5/8 in. thick 4 ft wide. Gypsum board applied horizontally or vertically, unless specified below, and nailed to studs and bearing plates 7 in. OC with 6d cement coated nails, 1-7/8 in. long, 0.0915 in. shank diam and

ANSI/UL 94 small-scale test data is intended solely for determining the flammability of plastic materials used in the components and parts of end-product devices and appliances, where the acceptability of the combination is determined by UL.

This article aims to provide an in-depth understanding of UL 371, its significance, and how it impacts the switch manufacturing industry. The Purpose of UL 371. UL 371 sets forth guidelines for manufacturers to design and produce switches that meet specific safety standards.