Q:If the same size, which door is more expensive? Which will be more practical? More

I have to answer, the shutter door practical, iron door easy to rust life is short, usually in the case of relatively large size of the door shutter door is still relatively good, after opening does not occupy the place, beautiful appearance, easy to use. The only flaw is that almost anti-theft ability. But what the door is to prevent the gentleman is not against the villain, no matter how good anti-theft gate thief can open.there are a lot of anti-theft door garage door. I suggest you choose the shutter door.

Q:Their own security door, every time the door is very costly to open the door. Lock the door when the door handle up to mention, very easy. But when the door open, whether it is inserted into the key from the outside open, or from the inside down the door handle, it is difficult to open the door, that a few out from the door that a few columns (Figure) is difficult to retract Inside the door. What is the cause of this? What steps need to be done to make it switchable? More

Should be the problem of the cylinder, another lock cylinder just fine

Q:What is the difference between security doors and wooden doors?

Anti-theft door of the full name of "anti-order anti-dumping barley lamb thieves security door." It combines both anti-theft and safe performance. In accordance with the "anti-theft security door general technical conditions" provides that qualified security door in 15 minutes using chisels, screwdrivers, crowbars and other ordinary hand tools and hand drill and other portable power tools can not pry open or in the door to open a 615 square millimeters Open, or open a 38 mm square opening in the semicircle with a locking point of 150 square millimeters. And anti-theft door on the use of the lock must be detected by the Ministry of Public Security testing with anti-drilling function of the anti-theft door dedicated lock. Anti-theft doors can be made of different materials, but only to achieve the standard test qualified, to receive security products to ensure that the door can be called security door. Anti-theft security door is generally used for households into the door. Wooden doors are generally used in the bedroom door, beautiful and durable material can be good, and anti-theft performance is generally almost.

Q:What is the size of the general security door installation? (860 * 2050 type, 960 * 2050 type)

Standard size should be 2100 * 1200, the common single door is 2050 * 960,2050 * 860, child door 2050 * 1200

Q:What is the difference between the security level and the B level?

Class A and B doors of the thickness of the plate, the allocation of the same kind of muscle chicken crown class wine Jiu Jiu helium Mo, in addition to the cylinder, Class A are super B-class, B is B-lock, but now some brands Ding-level door is also used in the ultra-B-lock (such as new), so this is a class B nothing on the difference between the market is more common is a, C, D three levels

Q:To measure the size of the new master of the master said that demolition of this door will damage the walls, they have no mud to repair. So the nail to reverse the tan to change the cool whale would like to ask you have no experience in this area, this door will be broken wall demolition? More

You go to the decoration company, or the video of the small traders (specifically hit the wall) so that they get you

Q:My house will have to renovate the house, would like to ask the home of the security door cost better? What brand of security? Buy anti-theft door is to buy a good composite door or a single door? thank you all! More

Casually a check to know the brand of a large brand of good workmanship, high prices; second-line brand work slightly worse, low prices You set it yourself

Q:What is the standard size of the security door?

GB security door size is 860 * 2050, this refers to what? Is the size of the security door or wiping the hole after the size of the hole? If you want to make this size of the door, and the installation can be safely into the way, then the door hole in the gray after the size of the gray must be achieved to do? The The In addition, how is the specification? If the installation of the door is not 860 * 2050 ,, meet the provisions of what The The

Q:Want to buy anti-theft door, I do not know galvanized steel and cold-rolled steel plate where the difference? The same thickness which is good? The

Tell you the truth, do not say that you do not know that we sell this for many years do not know the security door, you buy anti-theft door, or to see, level, and lock the mouth of the body Good or bad, there is the treatment of paint, etc., you can go to see what I published that how to buy a good security door, maybe for your help.

Q:The sound of the security door is loud

Usually pay more attention to hinges and hinges rust-proof lubrication. Otherwise it will rust and abnormal sound. Hinges lack rust-free lubrication, affecting the appearance, will issue a squeak sound, affect the rest. Meikailong and other well-known hinge brand with tiger hotolube or Krupp's hinge hinge grease, colorless and transparent, good adhesion, good durability. Panther has 130 grams of tube packaging, but also for sliding doors and so on. Grease directly applied to the hinge gap, will slowly penetrate into the hinge inside. The maintenance period is four to six months. Should not use the oil or ordinary butter, easy to lose or low temperature freeze, there will be harmful smell volatilize. Vegetable oil will soon be sour is often known to protect the smell, loss of lubrication.