• Full gauge steel
• Colors available in: white, brown, almond, sandstone, teratone and (hunter green- 25 gauge only) to meet most design requirements.
• Selections of many window styles to enhance any facility
• Security, strength and beauty to meet the most demanding criteria

Part 1 General

1.01 Work Included - Sectional overhead doors shall be as supplied by GADCO and as shown on plans. Series 7624 doors shall be constructed of 24 gauge prefinished galvanized steel. Series 7200 doors shall be constructed of 26 gauge exterior and 28 gauge interior prefinished galvanized steel.

1.02 Related Work - Opening preparation, miscellaneous or structural metal work, access panels, field painting, field electrical wiring, etc. are in the Scope of Work of other divisions or trades.

Part 2 Product

2.01 Sections - Sections shall be rollformed of drawing quality galvanized cold-rolled steel. The exterior of each section shall be embossed. The horizontal meeting edges of each section shall be formed in ship-lap fashion. All stiles shall be formed of heavy gauge galvanized steel. Thickness of each section shall be 2" minimum. Series 7624- All stiles shall be formed of heavy gauge galvanized steel. All stiles shall be attached to the section with blind rivets. Series 7200 - Sections shall consist of face and back skins that are bonded to an expanded polystyrene core with an adhesive that when cured is resistant to heat, moisture, and solvents to form a rigid composite. Sections are capped with white painted end stiles that are field secured. The roller carriers and hinges are attached to a continuous hinge strip that extends across the top and bottom of each section and provides for secure hardware and end stile fastening. See GADCO hardware and installation availability section for option details.

2.02 Track - 2" or 3" track shall be manufactured from heavy gauge galvanized steel. A wedge type closing action will be accomplished with adjustable vertical track. Vertical track shall be attached to jambs with 12 gauge adjustable brackets or continuous angle. Horizontal track shall be reinforced with heavy galvanized steel angle.

2.03 Hardware - Shall be heavy gauge galvanized steel. Rollers shall have a continuous steel rim, encasing 10 (ten) hardened 1/4" diameter steel ball bearings. Series 7624 - All hinges, brackets, and fixtures shall be attached securely to the siles with 1/4" diameter thread forming screws. Prepunched and extruding holes in the stiles shall allow 100% screw/thread engagement for superior holding power. Series 7200 - All hinge brackets and fixtures shall be attached with 1/4" self drilling and tapping screws.

2.04 Finish - Prefinished section material shall be chemically cleaned before application of primer followed by a polyester coating on the exterior side, and a polyester coating on the interior side.

2.05 Reinforcing Struts - Series 7624 - Struts shall be supplied, one per section, on all doors over 12'2" wide. All doors over 15'2" wide shall have double end stiles, double roller hinges and long stem rollers. Series 7200 - Struts provided as required for field installation.

2.06 Counterbalance - Counterbalance shall be oil tempered and helical wound torsion springs engineering to comply with the industry standard 10,000 cycles, extended cycle life optional. (Reference ANSI/DASMA 102)

Part 3 Execution

3.01 Inspection - Inspect the surfaces that the door is to be attached to and assure that they are structurally sound and properly prepared to receive the door. Review all dimension sizes of the opening and the door to assure the specified design criteria has been met.

3.02 Installation - Install the doors in accordance with General American Door Company instructions and standards. Installation will be by authorized General American Door Company representatives.

GADCO LIMITED WARRANTY

General American Door Company (GADCO) warrants to the original purchaser that each commercial sectional door will be free from defects in material and workmanship for a period of one year following the date of purchase, excepting normal wear and tear, abuse, misuse or accident. Labor charges for replacement not included.

FOR COMPLETE DETAILS, CONSULT AUTHORIZED DEALER.