1 Hour Roof Assembly Ul

Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses.

1 hour roof assembly ul.

It is a key differentiator for products within the exterior wall assembly market. Is this possible without using channels and what ul number would i use. Estimated range of acoustical performance is based on laboratory test data of similarly constructed assemblies. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c.

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. Urb concealed grid system and tile. See full report for details. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

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. I am looking for a 1 hour roof ceiling assembly for wood truss construction. Ul does not appear to list an assembly as described. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.

Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04. With 1 2 wood structural panels with. Concrete with cellular steel 3 hr. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control.

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. These listings are short summaries to serve as a. 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. In fact there is no.

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. Certification database ul product iq. A secure online source for increased visibility into your ul project files product information documents samples and services. 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.