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The Daily Insight

Why is my UPVC door not closing properly

Author

Nathan Sanders

Published Feb 27, 2026

If you notice that it is getting harder to open and close, it could be for a few reasons. Firstly, and perhaps most commonly, your door could have dropped. Doors can drop if the hinges become loose. Secondly, damp, or humid conditions can also affect your door’s ability to close properly.

How do you fix a uPVC door that will not close?

  1. You can adjust the strike plate by loosening the screws in the plate, in the door frame, and sliding towards the entrance of the door to tighten the fit.
  2. Or, sliding towards the inside of the house, to loosen the fit so the latch can catch in the strike plate.

Why does my uPVC door stick?

Check if the door is too hot or cold – In extreme temperatures, a uPVC door will expand and contract which can cause problems locking the door and with the lock mechanism. Parts inside the lock mechanism and the lock gearbox can contract/expand making the lock feel stiffer then usual.

Why is the door not closing properly?

When a door latch won’t catch, it is usually because the door latch doesn’t align with the hole in the strike plate. … If the latch is too high or too low, try tightening your door’s hinges. If your door still won’t close after that, remove one of the screws on the jamb side of the hinge and drive in a 3-in.

How do you fix a double door that won't close?

Check the Door Hinges The reason your external French door won’t close could be the door hinges. An easy fix will be to tighten the hinges. If the screws won’t tighten, you may want to replace them with larger screws or use some form of packing or wall plug when tightening the screw.

Why is my door uneven?

When you have an uneven gap across the top of door, it can be caused by two common problems. The first is the door hinge side is out of plumb. This can be easily checked with a level placed on the jamb or hinges to check if they are correct. The most likely cause is that the floor is not perfectly level.

How do you fix a misaligned door?

  1. Tighten the Hinge Screws. …
  2. Replace the Hinge Screws. …
  3. Drive a Screw or Two Into the Door Jamb. …
  4. Tighten the Strike Plate. …
  5. Move the Strike Plate Incrementally. …
  6. Move the Strike Plate Farther. …
  7. Inset the Strike Plate Deeper Into the Jamb.

Why is my front door handle sticking?

The most common issue with sticking door handles is a problem with the tubular latch. The tubular latch is the mechanism working on the inside of the door, pictured right. … This transmits energy to the spring inside the latch body, which in turn retracts the latch bolt tongue, so you can open the door.

Why is my front door not closing?

Improperly aligned hinges can prevent your door from staying shut. A door that does not stay shut is usually improperly aligned at the hinges or at the strike plate and latch. This can be caused by settling of the house, improper installation of the door, or damage caused by slamming or excessive use of the door.

How do you adjust a uPVC window that has dropped?

The first thing to do is carefully remove the glass from the uPVC window. Next, close the sash and ensure that it is lined up with the frame. Re-install the glass into the sash and pack it all the way round the frame so that there is no movement at all between the glass and the sash.

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Can uPVC doors expand in heat?

Windows and doors sticking in warm weather You may find that in extreme warm and cold weather your windows and doors are becoming stiff and not opening and closing properly. uPVC is known to expand in the heat; at 40°C it is possible for uPVC frames to expand by up to 2.4cm.

What are adjustable hinges?

Over time, homes can settle unevenly and heavy doors can pull on hinges, causing the door to stick and rub. Our adjustable hinges allow the door to be moved up and down, and side to side, in the frame to maintain alignment and help keep the door performing beautifully. Adjust 1/8″ up and down, and 1/8″ side to side.

How do you adjust Anglian uPVC door hinges?

Tilt and turn windows You can do this by turning the adjuster screw on the hinge (above) clockwise to increase the friction or anticlockwise to reduce the friction. If there is a draught around your tilt and turn window, you can adjust the seal pressure around the frame and sash.

What causes a door to drop?

Loose hinges can cause a door to drop One of the main causes of a dropped door is a loose hinge. Luckily, this is easily solved! Over the years, screws will naturally work themselves loose. You’ll probably notice that your dropped door issue is because of loose hinges if your door drags along the floor slightly.

How do you fix a door that won't close at the bottom?

To fix this, first, look at the door and determine where the gaps are bigger. For the door above, try simply loosening the screws from the top hinge 1/4 turn or more. If this doesn’t work, try tightening the screws into the hinges at the bottom. If it’s still not fixed, you’ll need to try shimming the door hinge.

How do you fix a stiff UPVC door handle?

Try slightly loosening the screws that hold the handle to the door itself. This should make the handle easier to turn. Remove the handle from the door and operate it while holding the backplate. If the handle does not operate freely, try adding a little grease to it and allowing it to work into the mechanism.

How do you lubricate a sticking door handle?

The quickest way to do this is to spray WD-40 directly into the keyhole, around the latch, along the tube of a deadbolt and around the handle, and then turning the mechanism repeatedly, spreading the lubricant around inside. You only need to do this once a month or so to keep them all in near-new condition.

How do you fix drafty French doors?

  1. Align your French doors with the frame. …
  2. Put adhesive weatherstripping foam around the door frame where the French doors touch.
  3. Look for cracks in your door, especially around glass panes, and fill them with caulking.

Why do my French doors keep dropping?

If this is happening to your French doors (also known as French windows), then it’s most likely because they have become misaligned. Either due to wear and tear on the hinges (if they’re older doors) or a poor installation (if they’re newer).