Ul Wood Roof Ceiling Assemblies
Gypsum panel end joints located midway between continuous channels and attached to additional pieces of channels 54 1372 mm long with screws 12 305 mm.
Ul wood roof ceiling assemblies. 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. 6 usg fire resistant assemblies test certiļ¬cation test conditions and fire and sound tested assemblies listed in this selector are based on characteristics properties and performance certificationof materials and systems obtained under controlled test conditions as set forth in the appropriate astm standard in effect at the time of test. Helpful documents and resources for usg s roof assemblies can be found on this page. Ul assembly approved ceiling tile suspension maximum fix.
Floor ceiling designs wood or combination wood and steel joist assemblies 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. These listings are short summaries to serve as a. 5 8 15 9 mm toughrock fireguard c gypsum board or 5 8 densarmor plus fireguard c gypsum panels applied perpendicular to resilient channels 24 o c. Class a b or c prepared roof coverings may be used on wood floor designs without a reduction of the fire resistance rating provided a nailer of equal thickness to the length of the mechanical fasteners is added to the flooring.
1 877 4ad mix1 1 877 423 6491. Ansi ul 263 requires the load applied to test samples to be. 610 mm with 1 25 4 mm type s drywall screws 12 305 mm o c. 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.
Use of floor ceiling designs for roof ceiling or reverse. Size duct area per assembly construction design rating tiles panels panel system ceiling area 100 sq. Screw fastened perpendicular to lower chord of wood trusses of 2 x 4 38 mm x 89 mm lbr. Ul designs thickness roof assemblies.
With steel truss plates spaced 24 o c. It is a key differentiator for products within the exterior wall assembly market. Floor ceiling beams roof ceilings walls and partitions or columns and the type of protection anticipated in the installation. 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.