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Stainless Steel Doors
Our DEFENDDOOR stainless steel hollow metal
doors are manufactured with face sheets of 16 or 14
gauge type 304 or 316 in typical No. 3, 4 (satin) or
2b mill finishes.
Each DEFENDDOOR is internally reinforced with
continuous 16 gauge stainless steel channels which
span the entire height of the door on both the hinge
and lock stiles and across the top and the bottom.
Each door may contain two- or four-sided seamless
welds depending upon engineering specifications.
The welds are then hand ground and polished to a
smooth finish.
NCHM’s stainless steel DEFENDDOORS are available
in standard sizes as well as custom sizes up to 5'0"
width and 12'0" height.Warnock Hersey fire-rated doors with 20 minute, 3/4
hour, 1-1/2 hour and 3 hour rating are available with
honeycomb cores up to a maximum size of 4'0"
width and 8'0" height single door, or 6'8" width, 8'0"
height pair of doors. |
 Reinforcement
DEFENDDOORS are mortised and reinforced
for hardware. Mortised reinforcements are
drilled and tapped at the factory. Reinforcements
for surface applied hardware are drilled
and tapped in the field by the contractor. All
reinforcing components are fabricated from
stainless steel.
Cores
Polystyrene, honeycomb and vertically
stiffened cores are available. Polystyrene
cores are laminated to the inside face sheets
to fill the inside of the door. Fire-labeled doors
have honeycomb cores permanently bonded
to the inside face sheets. Vertically stiffened
doors are constructed with an insulated core
(not shown) permanently bonded to the
stiffeners and the face sheets.
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