Unimast Products - Page 8

ARCHITECTURAL SPECIFICATIONS

Part 1: General

1.1 Scope - Specify to meet project requirements.

1.2 Qualifications

1. All materials for framing shall be manufactured by Unimast Incorporated, and shall be installed in accordance with its current printed directions.
2. Framing must be recognized by and built in accordance with model code report.
3. Solid-type wall must obtain a 2-hour fire rating without the use of battens covering steel components.

1.3 Delivery and Storage of Materials

All materials shall be delivered in their original unopened packages and stored in an   enclosed shelter providing protection from damage and exposure to the elements. Damaged or deteriorated materials shall be removed from the premises. Installed panels should be protected from the environment and dry before enclosing the wall.

1.4 Environmental Conditions

In cold weather and during gypsum panel joint finishing, temperature within the building shall be maintained within the range of 55° to 70°F (13° to 21°C). Adequate ventilation shall be provided to carry off excess moisture.

Part 2: Products

2.1 Materials

1. 2" 25-gauge UNIMAST Steel H-studs, hot-dipped galvanized, x 8', 9' or 10' length. (Other lengths available on special request.)
2. 2" 25-gauge UNIMAST Steel C-runners, hot-dipped galvanized, x 10' length.
3. Gypsum Liner Panels - 24" wide, 1" Gypsum Liner Panels with fire-rated core approved for use with UNIMAST Area Separation Wall Framing, lengths as required.
4. UNIMAST Aluminum Breakaway Clips - 2" x 2-1/2" x 0.063".
5. Fasteners - 7x7/16" Type S screws (pan head).
6. Acoustical/smoke sealant.

Part 3: Execution

3.1 Solid Wall

1. Foundation - Position 2" wide steel C-runner at floor and securely attach to foundation with power-driven fasteners at both ends and spaced 24" o.c. Space adjacent runner sections 1/4" apart. When specified, caulk runner at foundation with 1/4" bead of acoustical sealant.
2. First Floor-Install steel H-studs and gypsum liner panels at a convenient length more than floor-to-floor height. Install two thicknesses of 1" gypsum liner panels vertically in C-runner with long edges in H-stud. As an option, H-stud and C-runner may be screw-attached at the end that is fully engaged to runner. Erect H-studs and double-thickness liner panels alternately until wall is completed. Cap top of panels with horizontal C-runner. Fasten all corner C-runner flanges both sides with 7 x 7/16" Type S screws.
3. Intermediate Floors - Install back-to-back C-runners and screw-attach together with double 7x7/16" Type S screws at ends and spaced 24" o.c. Secure studs to framing with 0.063" aluminum breakaway clips screw-attached to both sides of each stud and framing. Locate horizontal runner joint within 2" of intermediate floor. Except at foundation, install fire stopping insulation between joists and fire barrier.
4. Roof - Continue erecting studs and panels for succeeding stories. Cut liner panels and H-studs to pitch and length as necessary to follow roof pitch. At roof, cap panels with C-runner and fasten to framing with aluminum breakaway clips.
5. Interior Finish - Apply specified gypsum panels to wood or steel studs and joists with screws or nails in conventional manner.

SALES OFFICES

NOTICE: We shall not be liable for incidental and consequential damages, directly or indirectly sustained, nor for any loss caused by application of these goods not in accordance with current printed instructions or for other than the intended use. Our liability is expressly limited to replacement of defective goods. Any claim shall be deemed waived unless made in writing to us within thirty (30) days from date it was or reasonably should have been discovered.

UNIMAST is a trademark of Unimast Incorporated. This publication contains the latest information at the time of printing. Unimast reserves the right to make improvements in, or change the materials and/or configurations of, any products in this literature, without prior notice or obligation.

Visit our web site at http://www.unimast.com

Unimast Incorporated

4825 North Scott Street

Suite 300

Schiller Park, IL 60176