DESIGN NO. GP/WA 120-03
ASSEMBLY RATING: 2 HOURS WITH EXPOSURE ON FIRE SIDE RESTRICTED NON-BEARING; NON-SYMMETRICAL AREA SEPARATION WALL
DESIGN WEIGHT: 11 PSF
TESTED UNDER LOAD SIMULATING A WALL HEIGHT OF 68'
| 1. |
Floor, Upper Corner, and Intersection Runner: 'U' shaped runner, 2-1/8" deep roll-formed from minimum 0.018" thick galvanized steel. Position runners at 3/4" minimum spacing from wood framing members. Runners attached to foundation or structural members with steel fasteners located not greater than 24" oc Floor, Upper Corner, and Intersection Runners to be supplied by others. |
| 2. |
Steel Studs: 'H' shaped studs, 1-1/2" wide x 2" deep, roll-formed from minimum 0.018" thick galvanized steel. Cut to length 1/2" less than the openings height and spaced a maximum of 24" oc within runner legs and between layers of 1" thick gypsum shaftliner panels. Steel Studs to be supplied by others. |
| 3. |
Gypsum Shaftliner*: 1" thick ToughRock Fireguard® Shaftliner or 1" Dens-Glass Ultra Shaftliner, Type X panels, supplied in nominal 24" widths. Two panels are inserted against the web of the 'U' runners into the 2" deep recess of the studs. |
| 4. |
Aluminum Clips: 2" long x 2" or 2-1/2" legs x 0.050" thick aluminum angle, spaced 108" oc maximum vertically, to wood framing with 4d box nails or 1-1/4" drywall screws and to steel stud flanges with framing screws. |
| 5. |
2" x 4" nominal wood framing, spaced 16" oc maximum. |
| 6. |
Gypsum Wallboard: 1/2" thick, 4'0" wide GP Gypsum Corp. ToughRock or DensArmor Plus, gypsum wallboard applied on the room side with 5d drywall nails 8" oc. Joints are finished with paper tape and joint compound. Exposed nail or screw heads are covered with joint compound.
Limitations: Parapet construction may be required by local code.
Allowance: 2" thick 'H' Stud and Shaftliner Wall provides 120 minute protective membrane rating for framing with 3/4" separating. |
*Component bearing the Warnock Hersey Certification Mark
® Registered Trademark of GP Gypsum Corp.
Evaluated to the following:
Design listings are based on, and supported by, proprietary test reports. The test reports further define proprietary design details which make these listings applicable only to the specified products manufactured by the listed manufacturer.
Unless otherwise noted, the assemblies in this section have been evaluated for conformance to the following standards:
- ASTM-E119, Standard Methods of Fire Tests of Building Construction and Materials.
- CAN/ULC-S101, Standard Methods of Fire Endurance Tests of Building Construction and Materials.
- NFPA-251, Fire Tests of Building Construction and Materials.
- UBC-7-1-94, Uniform Building Code Standard.
- UL-263, Fire Tests of Building Construction and Materials.
Designs listed are minimum construction requirements to achieve fire rating.
Unless otherwise noted, fire ratings apply to tests conducted on both sides.
NOTE: Design No. 408 is not used in this edition.
