FACTORY SALE Cheap Steel Security Door

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Specifications

BEST SALE Steel Security Door
1)European advanced technology
2)Energy conservation
3)Sound proof, environmental

BEST SALE Steel Security Door   ( commerce steel security door )

Steel security door supposed to protect your home safety. Which have good mechanical lock system and

stong metal structure lead to high safety glass level. DK steel door popular and export to Russia,Poland,

Hungary, Bulgaria,Ukraine,Nigeria,South Africa, Egypt,Iran,SaudiArabic, Libyan, Algeria ,Albania, Brazil,

Australia and some other areas. Pls check main specification as follow:

Standard size

2050*960,2050*900,250*860,2050*750

Steel sheets range of door leaf

0.7~1.0MM

Steel sheets range of door frame

1.4~2.0MM

Door leaf structure

70MM

Insulation options

Honeycomb paper;rock wool; fireproof board

Surface treatment

Powder coating

Lock system

11 lock pints; 13 lock points; 19 lock points around the leaf

Cylinder

Cooper with AB keys;

Opening direction

Left&right; inward&outward

Hinge

Invisible (open degree: 100~120)  Visible (open degree:180)

Glass insert door leaf

Available

Accessories

handle; installation bolt; hinge; peephole; rubber seal; doorbell

Customer size

Available

Guarantee policy

360 days guarantee for our steel security door products. Any door broken from our factory will be change new door for you or discount from next orders.


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Q:The advantages and disadvantages of steel doors
Advantages; moisture waterproof. Shortcomings; more afraid of bumps, and easy to aging.
Q:Plastic doors and windows will not produce formaldehyde
Plastic doors and windows generally do not contain aldehydes harmful gases, should be the taste of the tape, this gas is harmful to the body. You can put some flowers at home, absorb bad gas, a lot of attention to ventilation. Knowledge extension: Plastic doors and windows are made of polyvinyl chloride (UPVC) resin as the main raw material, plus a certain proportion of stabilizers, colorants, fillers, UV absorbers, etc., by extrusion molding, and then by cutting, welding or screw Made of doors and windows frame fan, equipped with sealing tape, tops, hardware, etc., at the same time to enhance the rigidity of the profile, more than a certain length of the cavity needs to fill the steel lining (ribs), so made of portal windows , Called steel doors and windows. Plastic steel shortcomings: Plastic steel defects 1.PVC material steel is not good, must be attached to the internal steel to increase the hardness. Plastic shortcomings 2. Fire performance slightly worse, if the fire conditions are relatively high conditions, recommend the use of aluminum alloy material. Plastic steel shortcomings 3. Plastic material brittle, compared to aluminum alloy to be more heavy, burning will be toxic emissions.
Q:How to make steel doors
Plastic steel door manufacturing: steel doors are generally used in the factory with steel doors dedicated cutting, welding equipment manufacturing, is semi-automatic, automated production, quality can be guaranteed.
Q:The price of steel doors and windows is calculated
The price of the window in accordance with the actual hole area - after the mouth to complete the mouth After the plug is the doors and windows installed when used to plug the gap between doors and windows of the material (usually styrofoam, foam cement) Shops are calculated separately Flat window and sliding window is separate pricing, quota number is not the same. If you own home to build a house steel window in accordance with the hole area * unit price, the general market 450 square meters with glass, screens
Q:Bathroom plastic steel door frame with what glue
Glue is only temporary, it is heated to weld up
Q:How to wash away stains on steel doors and windows?
Headache problem Please keep it clean
Q:What is the bright and unsharpable steel doors?
Steel doors are bright: generally refers to the door with the door frame, the box on the upper part of the total door with a quarter of the door with a fixed glass, can not open, fixed part of the door and the door to distinguish, known as bright, on the contrary For no bright, do not know whether the statement is clear.
Q:Stick plastic steel doors and windows of the plastic is what?
I do not know where you sticky glue, sticky glass and plastic body is glass glue, used for filling and reinforcement. Plastic and wall of the seam or cavity is relatively large, then with the expansion of plastic, glass and glass for the middle of the structural adhesive.
Q:Plastic steel door titanium door which is good
It depends on your request. Plastic doors Features: good insulation, sound insulation is good, the disadvantage is only one-way open, the switch is not very convenient, easy to deformation fall, the door hinge will adjust. Titan door features beautiful and bright, modern atmosphere, open the direction of freedom, easy maintenance and practical, the shortcomings of the closed is not good noise is not good. The vast majority of shops are selected titanium door, showing its better than steel doors.
Q:Plastic doors and windows of the hinge how to disassemble
The lotus leaf on the plastic lid to try to open, the amount to see the screw on the hole, then use a screwdriver can get

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