Door Locks. Friday , December 15th , 2017 - 02:23:18 AM
Of course, this is not the type of door lock that you want for a typical home. Same with what was mentioned, you can choose from a variety of door locks. You can find the regular lock. This is the most common and the simplest type of door locks. When using this, you have to install the part of it, which has a hole, on the wall closest to the door and the bolt on the swinging part of it. You have to put them at the exact horizontal position. The problem with this door lock is that it can only be opened and closed from the inside. Keys cant be used with them. This is why there will be no chances for you to come in when it is locked. It is useless when a family wants to go out because the entire home will be very wide open to thieves. The same goes with the chain lock. The only difference with this is that a chain is used instead of the "hole" installed in the wall.
uPVC Door and double glazing multipoint locks are prone to jamming shut where maintenance has been neglected or the weather prevents the mechanism in the door working smoothly. Depending on the type of uPVC door lock fitted in the door there are various methods of unjamming.Our locksmith found that cheaper doors are usually fitted with roller type locks.These locks have rollers that slide up and down into keeps when the handle on the door is lifted upwards.These doors can be unjammed using a wide flat steel bar or door spreader. The rollers will easily pop out of the keeps unjamming the door when a spreading force is exerted. This is also considered a security flaw in older uPVC doors since it is such an easy method of opening the door. Our locksmith found that on the more modern and expensive makes of door, hook and deadbolt style multipoint locks are fitted.
These require a little more skill to unjam.Firstly spread the door gap carefully and hold open with soft wooden wedges to prevent frame damage. Once the location of the hooks or deadbolts are identified you can retract them manually by forcing them inwards with a strong screwdriver or bent instrument. Ensure the key has been turned into the unlock position before forcing any hooks back in place as the turn of the key is the secondary locking feature and will not allow the bolts to retract. Once the door is open you can identify the cause of the problem. usually it will be down to a failed gearbox on the multipoint lock. These contain complex cast parts that are prone to shattering and shearing when the door is particularly stiff when locking. Replacement of the gearboxes is possible on 90% of multipoint locks however some welded and riveted versions such as Millenco will require a complete locking strip. Gearbox prices can range from between £10 and £50. Locking strips more pricey can range between £30 and £150 depending on the make and model of the lock. Millenco locks feature two separate spindle gears.
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