| Specifications: |
 |
|
General: |
| |
|
Doors shall be steel sectional upward acting 24 or 20 gauge (specify) as manufactured by General Doors Corporation, Bristol , PA. |
| |
|
|
|
|
Sections: |
| |
|
Sections to be 2” thick, roll formed from hot-dipped galvanized steel with horizontal reinforcing ribs. |
| |
|
All sections furnished with two coats acrylic baked-on enamel, both sides. |
| |
|
Exterior coating 1.0 mil, white or bronze (24 gauge only). Interior coating, .6 mil, gray (1.0 mil, white on bronze doors). |
| |
|
End stiles to be 16 gauge, center stiles to be 18 gauge; both galvanized steel securely welded to the section. |
| |
|
Sections are formed with shiplap meeting rail for added strength and weather-tite closure. |
| |
|
When required by best engineering practices, applied steel struts shall be fastened to inside of sections. |
| |
|
Bottom rail to have two point contact weather strip mounted with 14 gauge galvanized continuous angle. |
|
