Tips on choosing a door lock

For security doors is recommended to use at least two locks of different types (eg, lever and cylinder). One of them performs the function of the force. It is used at night or during prolonged absence. This lock should characterize the high-proof, although it is not presented stringent requirements for reliability. As a power, the best use of lever locks recommended distance at which the bars are nominated power locks should be about 30-40 mm.

Second lock - a subsidiary, is designed for closing the doors during the daytime or during short-term absence.To him are increased requirements for reliability and privacy, although it may have less resistance to cracking.The recommended distance nomination bolts, not less than 20 mm.

It must be remembered that the cost of purchasing and installing a top-secret lock to be useless unless the door is not made of durable material, quality adjusted and installed in a solid door frame. However, be aware that the installation of locks and the door beam width of less than 100 mm substantially reduces the resistance of the door to the beat, especially if it was called inside the premises.

To profile the door locks should be narrow, not wider than the width of the profile. For doors of PVC-profiles of the castle and performs an important function such as pressing of the leaf. It is necessary to ensure the normal operation of sealant and prevent podduvaniya outdoor air in the gap between the frame and the sash.

This is especially true for front doors, although in order to improve sound insulation or the need to ensure greater protection for internal doors can also be set mnogozapornye locks.

In addition to the above recommendations on the use of locks, you must add a number of very simple rules:

When buying a lock of domestic producers pay attention to the label on a box with a lock. It should be mentioned: the type of the castle, its class, the number of secrets (if the lock Class 1 - scope), as well as information on the availability of the certificate.

If you have a normal, standard door is not recommended to install locks, sizes larger than Binding of the door. In this case, when fixing the castle, part of it fall into the blank body of the door, and your lock will be easier to dislodge.

If you install a metal door - necessarily require a certificate for the locks. Remember that for the metal, either fortified doors of the main guard locking must not be less than 3 classes, preferably - lever type. Installation is not certified by the lock does not guarantee reliable performance, and elimination of breakage of the castle, set in a metal door, is a significant challenge.

If you live on the first or the last floor, or your apartment is above the peak of the entrance, it is necessary that your castle was closed from inside the apartment key, and the spare keys should not be placed in a conspicuous place.

Metal, laths to mortise locks shall be affixed to the door with screws M5, but not screws.