1 Hour Roof Assembly Ul

It is a key differentiator for products within the exterior wall assembly market.

1 hour roof assembly ul.

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. Estimated range of acoustical performance is based on laboratory test data of similarly constructed assemblies. Sound tested with 2 x 4 stud wall with 1 2 12 7 mm toughrock fireguard c gypsum wallboard or densarmor plus fireguard c panels each side of assembly and 3 1 2 89 mm fiberglass insulation in stud space both sides.

I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. Assemblies include ducts dampers lighting or other fixtures in the tested assembly. If further assistance is needed please visit our website or contact a member of our codes and advisory services staff for all other inquiries please contact ul s customer service professionals at 1 877 854 3577 1 877 ulhelps or email. For the most up to date fire resistance ratings refer to the ul online certifications directory ul p522.

See full report for details. 6 usg fire resistant assemblies test certification 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. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. I am looking for a 1 hour roof ceiling assembly for wood truss construction.

Ul does not appear to list an assembly as described. The ul evaluation report an additional. Concrete with cellular steel 3 hr. 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.

Report number 1 hour rating category illustration construction 24 oc min 18 depth resilient channel 16 oc 1 layer 5 8 type c gypsum sheathing min 15 32 ul l546 floor or roof with damper duct fixtures insulation and. A secure online source for increased visibility into your ul project files product information documents samples and services. In fact there is no. Urb concealed grid system and tile.

With 1 2 wood structural panels with. Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c. Certification database ul product iq.