Part 1 -General

1.01 SECTION INCLUDES
A. Aluminum overhead coiling grilles.

1.02 SUBMITTALS
A. Submit manufacturer’s product data, specifications, shop drawings with layout, fabrication
and installation details.

Part 2 - Products

2.01 MANUFACTURER
A. Provide grilles manufactured by AlumaTek Inc., 680 West 200 North,
  North Salt Lake, UT 84054 (800) 647.7049

2.02 MODELS AND MATERIALS
A. Models: Provide overhead coiling grille model as follows:
1. PF - Perforated
B. Materials:
1. Aluminum: Bars, Rods and Extrusions to be 6063 Alloy, T5 Tempered.
2. Steel: Bar, Pipe and Plate(s) to meet AlumaTek’s specifications.

2.03 COMPONENTS
A. Locking: Standard locking mechanism to consist of two-point lock to throw at both jambs,
  with a Keyed Cylinder on the outside and thumb-turn on the inside.

2.04 FABRICATION
A. Perforated Model Curtain:
1. Horizontal Rods to consist of extruded aluminum, 7/8” x 1/2” horizontal hinge system
  spaced at 4” on center.
2. Perforated Panels to consist of 1/8” aluminum extrusion, with slotted holes at 45
  angles, spaced 1/8” on center, to allow 60 percent transparency.
3. Curtain Size: See Drawings
B. Guides: Extruded aluminum with mohair strips to prevent metal to metal contact.
C. Structural Supports: 3 x 3 or
4 x 4 steel supports.
D. Bottom Bar: Heavy duty extruded aluminum with thumb-turn interior and keyed cylinder exterior.
E. Counterbalance: Tempered helical torsion high cycle spring mounted on cast anchors and
  continuous solid torsion rods permanently lubricated and enclosed within a 8” steel pipe shaft.
F. Bracket Plates: Steel plates 1/4” thick bolted to structural support tubes.
G. Operation: Manual up to 120 square feet. Motor operated 120 square feet and above.

2.05 FINISHES
A. Aluminum Bottom Bar, Guides and Curtain to be clear bronze or black Anodized.

Part 3 - Execution

3.01 Preparation
A. Prepare opening(s) to receive grille(s) as required by manufacturer.

3.02 Installation
A. Install as shown on drawings in strict accordance with manufacturer’s instructions.
  Adjust for smooth and easy operation.

Perforated specifications