Dirt in the lock locks need maintained.
Stiff lock on a upvc door.
Once the graphite has distributed through the lock it will begin to clear away the gunk that s been hindering the lock s movement leaving you with a fully functioning hassle free door.
For especially stubborn locks try squeezing a little graphite onto the door s latch as well.
This is because as the door expand and contracts the lock and keeps are bordering on there limits.
From stiff upvc lock mechanisms to cylinders seizing up there is a range of issues that you can run into when the temperatures drop.
There could be several causes of a stiff door lock.
First clean the keyhole with a penetrating lubricant like wd 40.
This video is for me.
There are several reasons why your upvc door could be failing to lock correctly.
We have been going through our garage door to get in the house because of this.
Ironically by cleaning and oiling them you can fix most locks in a matter of minutes.
What the upvc door manufactures do tell you about upvc doors is they expand and contract a lot more than steel or wooden doors and what you may find in the peak of the summer or winter is the lock is stiffer to use.
If the handle has been feeling a bit stiff and the key won t fully turn any more chances are that your upvc door locking bolts are not fully throwing because the door is out of alignment.
I accept no responsibility for what you do to your door or to you your building or anyone else or anything else.
My front door deadbolt lock is hard to unlock and open when i put the key in and turn.
I can unlock the door if i try a few times but the key has a difficult time turning as the deadbolt is sticky.
Reasons for a stiff door lock.
Things like building work in the area can make cleaning out your locks even.
If the weather is fluctuating a lot the frame of your door can contract and expand.
Whether its a heatwave or a blizzard upvc doors can be affected by a range of climates.
Test the lock after each application.