Size duct area per assembly construction design rating tiles panels panel system ceiling area 100 sq.
Roof ceiling assemblies ul.
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.
If you are unfamiliar with ul fire resistance ratings begin with a review of meeting code requirements pg.
Have a question about 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.
Ul assembly approved ceiling tile suspension maximum fix.
Grade c d or sheathing.
Thick wood structural panels min.
Estimated range of acoustical performance is based on laboratory test data of similarly constructed assemblies.
Thick wood structural panels secured to trusses with no.
Roofing system any ul class a b or c roofing system tgfu or prepared roof covering tfwz acceptable for use over nom 15 32 in.
Ul designs thickness roof assemblies.
Corporate office 1 905 803 5600 customer.
General the following information is applicable to all fire resistive.
Oc along each truss.
1 877 4ad mix1 1 877 423 6491.
Ansi ul 263 requires the load applied to test samples to be.
For the most up to date fire resistance ratings refer to the ul online certifications directory ul p562.
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.
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.
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.
6d ringed shank nails spaced 12 in.