 OPERATION
To be a manual push-up the maximum size for steel doors
is 120 square feet (not to exceed 12'6" wide) (grilles
140 square feet -not to exceed 14' wide). Motor
operator optional -U.L. recognized 115V, 60 Hz.
SPRINGS Consist of flat blue spring
steel wrapped around a 2" pipe shaft and mounted
into a spring box.
CURTAINS Interlocking 22 gauge 3"
or 6" galvanized steel slats. (G-60 interior, G-9O
exterior.)
BRACKETS Standard stamped brackets
consisting of 13 gauge steel.
GUIDES Guides are to be roll formed
consisting of 13 gauge steel, grey primed.
HOODS GALVANIZED 24 gauge galvanized
or prepainted stock grey primer. Other colors available
at additional cost.
LOCKING DEVICES To be removable. Hasp-pin
type for use with padlocks. (Padlocks not furnished.)
Slide bolts optional.
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