What is a non-standard door
Main characters of non-standard door is that it has no fixed size and no fixed style. Its open method can be designed according to customer demands as well.
Most doors sold in the market are produced with fixed sides and fixed styles, which can't meet diverse needs of customers. Non-standard door has made up the gap.
How to choose non-standard doors
Check its lock performance and whether equipped with drilling-proof cylinder
Drilling-proof cylinder can rote with drill when the drill is drilling, so the cylinder won't be destroyed. The lock needs locking in three position. Single-door needs 3 hinges and double-door needs 6 hinges. Door leaf and door frame need equipped with warded locks which can keep the door closing even when hinges are broken.
Check the number of cylinder and inserted link
Locks with two cylinders controlled by two inserted links is safer since it won't be broken in longer time. Normally, door with one cylinder controlling 3 or 4 inserted links has worse anti-theft performance, since all those inserted links will be broken once one of then be destroyed.
Check thickness and acreage of stiffening plate around lockset
Non-standard door can be divided into closed type and fence type according structure. Lockset is the most important part of both types. Stiffening plate around lockset of qualified door should be cold steel plate thicker 2mm and higher than 500mm.
Technical quality is as important as material. So it is important to pay attention to check whether there are welding defects like open welding, un-welding, welding skips, slag inclusion, etc. Check out weather the match between door leaf and door frame is tight, the door seam is uniform or no, weather the opening and closing of the door is flexible, all joints are compacted or not, whether the paint and plating are uniform and glazed, etc.
Choosing by appearance design
Non-standard doors on market include luxurious, middle class, common three types. The panel of luxurious non-standard door is made by corrosion resistant plate. The main frame is made by stainless steel square tubes. And the ornamental fence is made by stainless steel, too. The middle class non-standard door usually consisted of circumference steel and floriation. The common non-standard door is made by square steel tube, round steel, flat steel (16×4mm) and other materials.
Users can buy non-standard doors according to needs. Besides, when installing non-standard door, it is required to use expansion bolt to fix, and fixation by electric welding with more than 8 fixed points which distribute evenly in two sides. As to maintenance, it is advisable to oil the door shaft and the insert rod every 3-6 months to make it open flexibly. But do not add oil to the cylinder, since it will to bring in dust and affect performance of the lock.
How to maintain non-standard doors?
To avoid discoloring, do not open the door lock frequently with wet hand.
a. Do not push too hard when opening the lock or turning the handle.
b. Tighten the door lock timely when it is loose.
c. Add some pencil lead foam into the keyhole when the door lock is difficult to open.
d. To avoid sharp objects scratching the non-standard door, do not hang heavy objects on the door leaf. Do not to push too hard to avoid damaging the door.
Non-standard door with vitreous
a. To avoid deforming the squeegee, do not let detergent or water infiltrate into the cracks of the glass when wiping the glass.
b. When clean the door surface, if the stain is relatively light, you can use a cloth with water to wipe gently. If the stain is heavy, do not wipe it too hard, to avoid breaking the glass and hurting people.
c. The correct way to clean the door is clean by medium class cleaner, toothpaste or furniture cleaner.