Roof Ceiling Assemblies Ul

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Roof ceiling assemblies ul.

Size duct area per assembly construction design rating tiles panels panel system ceiling area 100 sq. Thick wood structural panels secured to trusses with no. General the following information is applicable to all fire resistive. Ul designs thickness roof assemblies.

Maximum sizes ceiling area the ul assembilies listed below are cretified for use in canada by ul and comply with can ulc s101 for fire resistence. Thick wood structural panels min. For the most up to date fire resistance ratings refer to the ul online certifications directory ul p562. As explained there these ratings are applied to certain types of roof ceiling and floor ceiling construction assemblies which are tested and assigned hourly ratings mandated by building codes or other building safety requirements.

Refer to our roof ceiling assembly documents which includes ul fire rated roof assemblies for easy guidance through the assembly of a roof or ceiling on your next project. Oc along each truss. 6d ringed shank nails spaced 12 in. If you are unfamiliar with ul fire resistance ratings begin with a review of meeting code requirements pg.

Ul assembly approved ceiling tile suspension maximum fix. Grade c d or sheathing. 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 market requirements. It is a key differentiator for products within the exterior wall assembly market.

N beam designs for floor ceiling assemblies p roof ceiling designs s beam designs for roof ceiling assemblies u or v wall and partition designs x or y column designs ii. Ansi ul 263 requires the load applied to test samples to be. Helpful documents and resources for usg s roof assemblies can be found on this page. Estimated range of acoustical performance is based on laboratory test data of similarly constructed assemblies.

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