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Security Series
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Nystrom Security Series roof hatches are constructed of heavier gauge materials and tamper-proof hinges for high security roof access applications like banks and correctional facilities in addition to homeland security concerns (ex: embassies, water treatment facilities, and chemical plants).
Quick Spec
Cover & Liner
3/16" steel cover is stiffened to withstand a live load of 40 psf
22 gauge steel liner
Curb
3/16" steel, 12" high curb, 3.5" mounting flange, 0.625" diameter mounting holes
Latch
Zinc-plated steel interior slam latch with exterior turn handle, interior and exterior padlock hasps
Spring/Hinge
Zinc-plated steel heavy duty tamper proof spring and hinge pack
Insulation
1" rigid insulation in cover and at curb perimeter
Finish
Gray powder coat
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Commercial Building Products
©2010 Nystrom, Inc.
9300 73rd Avenue N.
Brooklyn Park, MN 55428
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Roof Hatches
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