3 mineral wool batts.
Wood 2 hour fire rated ceiling.
2 fire rated wood frame wall and floor ceiling assemblies.
5 8 toughrock fireguard c gypsum board or 5 8 densarmor plus fireguard c gypsum panel ul g505 only applied perpendicular to rigid furring channels 24 610 mm o c.
Description 1 2 hr.
Refer to the fire resistance rating summary to determine the ul design numbers and ceiling system products that correspond to the fire rated assemblies that meet your needs.
Tested a number of wood frame fire resistance rated as semblies see photos.
By code i need a minimum 1 2 hour rating.
On a related note the woman who answers the phone at the gysum association is very knowledgable about fire ratings.
Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c.
And 12 of r 38 fiberglass batt insulation.
Concrete with cellular steel 3 hr.
5 8 type x gypsum wallboard h 2 6 type s drywall screws 12 o c.
With 1 2 wood structural panels with.
Elements of buildings the fire resistance rating classifies the ability of an assembly to confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies.
Urb concealed grid system and tile.
Sheathing on both sides.
With 1 25 mm type s drywall screws 12 305 mm o c.
Ceiling provides two hour fire resistance protection for wood framing where that note is included the entire rating is provided by the gypsum and you don t need a particular floor.
Ul n501 two layers of 5 8 15 9 mm fire shield wallboard applied to beam cage fabricated from.
Assemblies rated from both sides.
276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.
The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.
Ceiling provides one hour fire resistance protection for wood framing.
3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.
Lumber shall be identified by the grade mark of a lumber.
12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.
2x4 16 o c.
Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses.
Gypsum wallboard beam fireproofing 8wf24 or heavier cad file name goldn dwg or goldn dxf no.
Descriptions of successfully tested lumber wall assemblies are provided in table 1 for one hour fire resistance rated wall assemblies and table 2 for two hour fire resistance rated wall assemblies.
Table 1 one hour fire rated loadbearing wood frame wall assemblies.
