Roof Ceiling Assemblies Ul

Polyisocyanurate insulation boards 1 thickness min.

Roof ceiling assemblies ul.

General the following information is applicable to all fire resistive. Membranes are part of floor ceiling or roof ceiling assemblies that have been evaluated in accordance with the standard for fire tests of building construction and materials ul 263. Ul bxuv guideinfo section iii 19 includes the following. 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.

Use of floor ceiling designs for roof ceiling or reverse. Hot mopped or cold application class a b or c covering or single ply membrane ballasted adhered or mechanically attached to the insulation. 7 usg fire resistant assemblies cross reference of usg panels and ul fire ratings the following table lists the usg panels that are appropriate to use for different ul fire resistive designs. Mechanically attached metal roof panels 16 wide type zl standing seam panel system 24 msg minimum gage coated steel to be placed over specified insulations and or.

Is this possible without using channels and what ul number would i use. In addition any compressible ul classified glass fiber insulation with or without a vapor retarder facing may be used between the specified roof insulation and metal roof. Ul tests rate an entire assembly. Ansi ul 263 requires the load applied to test samples to be.

You can use only the specific type size and minimum. No ceiling or suspension system product alone constitutes a fire rated assembly. I am looking for a 1 hour roof ceiling assembly for wood truss construction. Roof ceiling and floor ceiling construction assemblies which are tested and assigned hourly ratings mandated by building codes or other building safety requirements.

The construction of floor ceiling or roof ceiling assemblies evaluated by ul are published in the ul online certifications directory. The ul certification mark on roofing products and assemblies is relied on by code enforcement officials and buyers to verify that your products and systems meet regulatory requirements. Ul designs thickness roof assemblies. 1 877 4ad mix1 1 877 423 6491.

I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. Ul does not appear to list an assembly as described. It also serves as a key differentiator for products within the roofing market. Usg panels usg panels usg panels ul design number ul design number ul design number g503 g531 l501 l508 n501 n502 n505 p515 p516.