A concrete wall head supports the sectional door assembly with a typical three-quarter-inch chamfer and a three-quarter-inch drip at the exterior edge. The door guide is mounted on the interior side per structural requirements, and the door is sized according to the door schedule.
EXTERIOR 3/4" DRIP DOOR, SEE DOOR SCHEDULE TYP. 3/4" CHAMFER CONCRETE WALL INTERIOR DOOR GUIDE PER STRUCTURAL 3/4" 3/4" 3/4"
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