Urb concealed grid system and tile.
1 hour roof assembly ul.
I am looking for a 1 hour roof ceiling assembly for wood truss construction.
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With 1 2 wood structural panels with.
12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 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.
Is this possible without using channels and what ul number would i use.
The ul evaluation report an additional.
Certification database ul product iq.
276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.
Ul does not appear to list an assembly as described.
For the most up to date fire resistance ratings refer to the ul online certifications directory ul p522.
Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04.
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 would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control.
In fact there is no.
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.
Concrete with cellular steel 3 hr.
Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c.
See full report for details.
It is a key differentiator for products within the exterior wall assembly market.
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.
These listings are short summaries to serve as a.
3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.
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