Steel Stiffened Door

Description

Steel Stiffened Door’s highly robust construction, above average impact resistance, optimal thermal insulation and sound attenuation characteristics make them ideal for openings where rough usage and high traffic are considerations such as – Schools, healthcare, offices, commercial establishments, public sector construction and manufacturing buildings.

Features

Highly Economical and Environmental Friendly
Cold Rolled Steel, Metallic Coated as per ASTM A 792 Standard offering Superior corrosion resistance
20GA Vertical Stiffeners placed at ideal intervals offering exceptional rigidity and stiffness
Rockwool Insulation between adjacent Stiffeners to limit Thermal and Sound Transmission
Temperature Rise Rating up to 450°F @ 30 minutes on unexposed face of the Door
Up to 180* Minutes Fire Integrity
Tested to UBC 7-2, ANSI/UL 10B, 10C (Positive Pressure Test Standard) or BS 476 Part 22 Standard
Sound Transmission Class: STC 38 (Operable)
Thermal Characteristics: U Factor – 0.7, R Factor – 1.42
Mechanically interlocked vertical edge seam construction for added structural strength
1-3/4” thick Door Leaf suited for wider selection of builders hardware
Suited for light, medium, heavy duty and extra-heavy duty usage
16GA Inverted end channels welded to both face sheets
Factory Powder Coated
8GA Galvanized Steel Hinge Reinforcement and 13GA Galvanized Steel Closer Reinforcement.

Specifications

DOOR PERFORMANCE LEVEL CHART

Model	Type	Gauge	Metric(mm)	Physical Endurance (Cycle Testing)
LEVEL 1 – LIGHT COMMERCIAL DUTY
1	FULL FLUSH	18	1.2	1,000,000 Cycles
2	SEAMLESS	18	1.2	1,000,000 Cycles
LEVEL 2 – HEAVY COMMERCIAL DUTY
1	FULL FLUSH	16	1.5	1,000,000 Cycles
2	SEAMLESS	16	1.5	1,000,000 Cycles
LEVEL 3 – EXTRA HEAVY COMMERCIAL DUTY
1	FULL FLUSH	14	2.0	1,000,000 Cycles
2	SEAMLESS	14	2.0	1,000,000 Cycles

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