SERIES 1000 - NON INSULATED ROLLING STEEL DOOR
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The steel curtain will consist of Z275 galvanized steel
interlocking curved slats of 0.91 mm (20 gauge) thick as per
series 1000 manufactured by Dorion Doors Inc. The height of
the slats will be 75 mm (3").
The end of alternate slats will be fitted with malleable
cast-iron endlocks to engage and lock the curtain into the
guides.
The bottom bar will consist of an extruded aluminum channel
with a "U"-shaped santoprene weatherstrip for intense cold.
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The guides must be composed of Z275 galvanized steel angles
of the appropriate thickness to form a slot of sufficient
depth to retain the curtain into the guides. The end
brackets will be 44 W steel 6,4 mm (1/4") thick minimum.
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The counterbalance mechanism will consist of helical torsion
springs of no less than 25,000 cycles, mounted on shaped
cast-iron anchors, supported by a solid cold roll shaft
encased within a black steel barrel schedule 40. All torsion
springs must be anchored to the same continuous shaft and
held up in place by the same adjusting wheel readily
accessible.
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The barrel must be lodged into a Z275 galvanized steel hood
0,91 mm (20 gauge) thick to fit the brackets with the
intermediate hood supports.
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The finish standard of the slats and the hood will be
galvanized steel.
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One coat of 26 microns epoxy primer.
One coat of 48 microns acrylic/polyurethane finish paint,
colour to the architect's choice.
Guides and brackets hot dipped galvanize.
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MANUFACTURING SPECIFICATIONS MAY CHANGE WITHOUT ANY NOTICE.
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