DESIGN NO. GP/GBA 180-02
ASSEMBLY RATING: 3 HOURS; NON-BEARING WALL
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1. |
Mineral Fiber: Min. 2 in. thick mineral fiber, min. 3.0 pcf, applied on the outsides of the two shaftliner panels (Item 2). |
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2. |
Shaftliner: Two layers of 1 x 24 in. ToughRock®
or DensGlass®
Shaftliner panels are inserted in between the two mineral fiber layers (Item 1). The panels are inserted against the long leg of the 'J' or 'C' runners and into the 1 in. deep recess of the studs. The panels are attached to the vertical 'J' or 'C' runners using either 1-5/8 in. Type S, self-drilling, self-tapping bugle head steel screws spaced 24 in. on center (oc) or the tabs in the 'J' or 'C' runner (12 in. oc) are bent at a 90° angle. |
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3. |
Steel Studs: 'I' or 'H' shaped studs, 1-1/2 in. wide x 2 in. deep, fabricated from 25 MSG galvanized steel. Cut to length 3/4 in. less than the opening's height and spaced 24 in. oc, and between 1 in. thick gypsum shaftliner panels. Steel Studs to be supplied by others. |
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4.
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Floor and Ceiling Runners: 'J' or 'C' shaped runner with unequal legs and min. 1-1/2 in. wide x 2 in. depth, fabricated from 25 MSG galvanized steel. Position runners with short leg towards the finished side of the wall. Runners attached to structural members with steel fasteners located not greater than 24 in. oc. Floor and Ceiling runners to be supplied by others. |
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5. |
Staples: The mineral fiber is stapled to the shaftliner panels. |
® Registered Trademark of GP Gypsum Corp.
Evaluated to the following:
Design listings are based on, and supported by, proprietary test reports and product evaluations. These documents 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:
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ASTM-E119, Standard Methods of 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.
