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Commercial Doors Architectural Specifications

Model: CS20, CS24, CS26 Ribbed

Click here to download specifications in pdf format

I. GENERAL

A. Work Included
The doors will be Model CS 26, CS24 or CS20 sectional overhead type as manufactured by Midland Garage Door Mfg. Co.

B. Other Work
Related structure work, opening preparation, field painting and electrical work etc. falls into the responsibility of other trades.

II. PRODUCT

A. Sections
Sections will be 26, 24 or 20 ga. rollformed,hot dipped, galvanized G60 (minimum) a yield strength of 33,000 psi, complying with ASTM A 653 and ASTM A 924, and will have a nominal thickness of 2”. Doors will have tongue and groove meeting rails to form weathertight joints. Center and end stiles will be 16 ga. steel. Riveted and welded to the sections. End stiles will be channelshaped to 2" deep. Various back covers available. Deflection of door in the horizontal position will not exceed 1/120 of the door width. (Consult factory for unusual requirements.) Optional glass lites or full vision sections available.

B. Insulation (Optional)*
Insulation will be composed of polystyrene providing insulation factors of 7.0 R-Value or urethane with R-Value of 11.69, complying with ASTM C 236. *See insulation/option page 10.

C. Hardware
Hinges and fixtures will be G60 galvanized steel complying with ASTM A 36 and ASTM A 123. Full floating ballbearing rollers will have hardened steel races. Roller sizes will be adequate for design requirements and limitations.

D. Track
Track is 2" or 3" depending upon door size and requirements. Angle or bracket mounted depending upon door size and requirements.

E. Spring Counterbalance
Counterbalance shall be oil tempered, helical wound torsion springs mounted on a ball bearing cross header shaft engineered to comply with ANSI/DASMA 102-1996. Longer Life springs of 25,000, 50,000 or 100,000 cycles may be specified. Galvanized aircraft type lifting cables with minimum safety factor of 8 to 1 and cast aluminum drums are standard.

F. Lock
Lock will be interior mounted slide lock.
(Optional keyed lock available.)

G. Weatherstrip
Bottom weatherstrip will be flexible U’d astragal secured with an extruded aluminum retainer which also provides additional reinforcement. Optional jamb weatherstrip packages available.

H. Finish
Paint will be baked-on polyester over epoxy primer. White or brown exterior. (CS-20 white only exterior)

I. Operation
Operation will be by manual pull rope. Optional chain hoist and electric operator are available.

III. EXECUTION

Installation
Doors should be installed in compliance with Midland Garage Door Mfg. Co. instructions by authorized Midland Garage Door Installation Professionals.

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