Apr 1, 2017 · UL Fire-Rated Assemblies are vital to a variety of design and construction applications. So, to ensure you have what you need for all your projects, National Gypsum …

Jun 23, 2021 · For 1-hour assemblies, National Gypsum developed UL design I504, which is a 1-hour horizontal assembly that consists of 3-5/8” steel studs 16” o.c. with three layers of 5/8” …

Nov 16, 2022 · UL design I504: A 1-hour horizontal assembly consists of 3 ⅝″ steel studs 16″ o.c. with three layers of 5/8″ Type X (Gold Bond® XP® Fire-Shield®) gypsum board on the …

We provide training, advisory, testing, Verification, inspection and certification services for the fire resistance industry to help you get compliant products to the market faster.

USG provides resources here for our UL wall assemblies for seamless integration into any construction project. These wall assembly files are used for planning and estimation purposes …

Supplementary information about Fire and Sound Rated Assemblies including UL Types. NOTE: If sound testing is associated with the search, it will be displayed with the results. The AG …

Use these instructions to create your UL Product iQ account and search the certification database for UL fire-rated assemblies, designs or systems. UL Product iQ® Database, is an online …

Each UL Design lists the specific manufacturers and products that are suitable for use in the design. The products are identified with a Type designation that ties back to specific board …

Jul 19, 2022 · This document provides a 1 hour fire-rated ceiling membrane assembly using steel framing components. The assembly uses perimeter channels attached to the structure to …

UL DESIGN I504 - A 1-hour horizontal assembly that consists of 3 ⅝" steel studs 16" o.c. with three layers of ⅝" Type X (Gold Bond XP Fire-Shield) gypsum board on the underside of the …