Ul Number For Concrete Wall

If the foam plastic thickness is not smaller than 25 mm r n 0 59 in equation 6 is equal to 0 22. Each year more than 17 billion ul marks are applied to products worldwide. 51 mm thickness can be used.

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Ul is an independent third party product safety testing and certification organization.

Ul number for concrete wall.

Equation 6 is used to compute the fire resistance of precast concrete wall panels constructed from two layer of concrete between which a layer of foam plastic is sandwiched. As the global safety science leader ul helps companies to demonstrate safety enhance sustainability strengthen security deliver quality manage risk and achieve regulatory compliance. Some of our systems also have t and l ratings. All have been tested to ul 1479 standards.

Why ul the ul certification mark on fire resistant products systems and assemblies is relied on by code enforcement officials and buyers to provide confidence that products and systems meet regulatory and. Westbrook block ul license number. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. 13 mm a 1 in.

Split sleeve firestop systems. For example for an 8 in. 203 mm limestone aggregate concrete masonry wall with a maximum control joint width of in. Split sleeve concrete 4 hr ul w j 3112.

Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. 1 877 4ad mix1 1 877 423 6491. The hourly fire resistance ratings listed are f ratings. Resistance of concrete shall be permitted in accordance with aci 216 1.

It includes the flexibility to search by product name master format number related installation code section keywords and other terms. Split sleeve concrete 2 hr ul w j 3110. Aci tms 216 1 14 code requirements for determining fire resistance of concrete and masonry construction assemblies lists the minimum equivalent thickness of single layer concrete walls to meet fire resistance ratings ranging from 1 to 4 hours see table on following page. Moreover the contribution of foam plastic fire.

25 mm thickness measured perpendicular to the face of the wall of ceramic fiber in the joint can be used in walls with fire resistance ratings up to 3 hours while a 2 in. Scroll to the bottom of the page to see the definitions for each ul rating type. Ul has tested products for public safety for over a century.

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