Standard steel doors are classified in four levels.
Heavy duty metal door.
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The max duty door and frame assembly is built tough.
Levels and models covered in ansi a250 8 sdi 100 recommended specifications for standard steel doors and frames are sdi term aid in the selection and specification process for the steel doors and frames level describes the degree of durability needed for a give commercial application and mainly designate the thickness of the steel face sheet.
Level 1 1 3 4 and 1 3 8 standard duty level 2 1 3 4 heavy duty level 3 1 3 4 extra heavy duty and level 4 1 3 4 maximum duty.
It comes complete with a commercial grade exit lever and entrance trim set two 4 1 2 in.
All max duty door and frame assemblies are made in the usa by an sdi certified manufacturer.
Extra heavy duty steel door with 3 deadbolt preps.
Heavy duty spring hinges and one 4 1 2 in.
Entrance door comes ready to be installed with a welded steel frame.
Extra heavy duty doors per ansi a250 8.
The door bar holders 1 pair shipped with steel blots installation becomes hassle free.
Heavy duty concealed hinge.
Gray flush exit with 5x20 vl left hand fireproof steel commercial door with knockdown frame.
Entrance door the 36 in.
Level 2 16 gage model 1 full flush or model 2 seamless physical performance b 1 000 000 minimum cycles pioneers extra heavy duty doors are made primarily of 16 gage carbon steel and have been tested to 4 000 000 cycles in accordance with ansi a250 4.
Inverted top and bottom channels for additional stability and protection.
Kool 360 heavy duty door barricade brackets crafted from thick stainless steel unlike others using aluminium or plated metal up to 1 8 3mm thick 2 5 wide robust and sturdy.
Armor door 36 in.