5 Repairs To Upvc Windows Myths You Should Avoid

5 Repairs To Upvc Windows Myths You Should Avoid

Repairs to uPVC Windows

uPVC windows are a fantastic choice for modern homes. They are long-lasting, durable and easy to maintain. In contrast to aluminium and timber, they do not rust or rot.

It is important to clean and oil UPVC windows and doors regularly. This will help prevent unnecessary repair costs and also increase energy efficiency.

1. Broken Glass

If the glass in your window has been damaged, it can cause a huge deal of damage to your home, which can make it very hazardous and possibly fatal. It is essential to take the time to make sure that you're doing everything you can to ensure that your windows are in good condition.

For single pane windows, it is fairly easy to replace them, and the new window is usually able to fit into the frame of the previous one easily. If windows with double panes are joined by internal beading, it is difficult to remove and replace the old panes. In this situation it is essential to purchase plastic spacers to help the new pane fit into the window frame.

Wearing eye protection and thick gloves is a must if you plan to remove the glass yourself. It is also a good idea to lay down a drop cloth prior to when you begin working on the glass to ensure that any shards will fall on the fabric instead of onto the floor, where they could be trampled upon and cause further damage.

It's a great idea to tape the gap once the glass is removed. This will prevent drafts and water from entering your home until a professional arrives to repair the window. This also serves as an obstacle to stop intruders from making their way into your home. If the gap between the window and the door is substantial, you may need to consider a security screen that also has a window. This will give you the best of both.

2. Sagging

uPVC is a durable and energy efficient alternative to timber sash windows. However, over time, they can suffer from a variety of issues like sliding. A sagging window can cause problems with light, draughts or even security. If you find that your uPVC window is beginning to shrink, it is important to act swiftly to prevent the problem from becoming worse.

Repositioning the hinges can aid in fixing a window which is sliding. To accomplish this, you'll need open the window to get to the frame. With a screwdriver, you can remove the hinges at the top and bottom and adjust them by turning them clockwise or counter-clockwise. Close your window to check the fit after you've relocated your hinges. If you're satisfied with the fit of your window, you can tighten screws to keep them in the right position.

If you aren't able to move the hinges you may require replacing the seal. Over time rubber seals can lose their elasticity and dry out and cause them to lose tightness. It is crucial to replace your seal as soon as you can in order to keep your uPVC window watertight and draughtproof.

uPVC handles may also become loose. This is usually due to screws that have become undone over time, but it could also be due to the handle mechanism wears out. Fortunately, it's easy to fix the loose uPVC window handle yourself. First, you'll need to shut the window and do a test fitting. The corner joints of the sash must align with the casing joint. If it isn't then you can use a screwdriver or a wrench to loosen the handle and return the mechanism to its original position.

3. Water Leaks

If you're waking up to damp floors and mouldy walls each time it rains, it is important that you take action. The leaks of water from windows do are not just a cause for destruction of your home's structure but also undermine your efforts to control the temperature inside your home. Most often, uPVC window leaks are caused by a lack or damage to the sealant.

This is an easy fix that can be completed by any DIYer who has the ability. Based on the severity of the problem the caulking that was used up might need to be removed before a fresh layer can be put on. It is essential to keep in mind that when it is about uPVC  window repair s, you should not be tempted to 'over-caulk in order to make the area more difficult to clean and reduce the efficiency of your energy.

Check that any drainage holes do not have debris in them and ensure that the sill pan is properly angled to allow the water to drain from the window. In more serious situations, you may have to replace the window.

Other indicators of water leakage are rotted sills and the appearance of black spots of mold on the wall near the window. The fungus thrives in damp conditions and is able to quickly spread throughout the house.

It is also important to remember that if the leak is coming from between the glass in your double glazed windows it may be more likely to be an issue with the glass seal rather than the frame or sliding. It is also possible to be fixed by an uPVC window expert who can replace the glass seal and regain the full insulation properties of your windows.

4. Faulty Hinges

If your uPVC windows are brittle to open, or slack and blow open with a breeze It could be the hinges that are at the fault. Any competent DIYer can replace hinges in just a few minutes.

Most households in the UK will have top-hung or side hung uPVC windows that have hinges and like any mechanical part they can wear down over time. Changing a window hinge is essentially a simple procedure, but it is easier when you have a person to help hold the frame in place.

Check that the uPVC hinges open and close in the correct direction. Look for the arrows that are on each hinge to determine which way the window should be opened.

The issue could be caused by opening the window incorrectly or by a poor installation at the factory. This issue can be fixed by sending us a photo via our website and we will be pleased to offer you advice.

Regular lubrication of the hinges is also necessary. This can be done by applying a light engineering oil to the hinges, we recommend using a solvent-free lubricant such as the 3-in-one Multi-Purpose oil. Regular lubrication can allow the window operate and close more easily. It can also lower the chance of windows sticking and help prevent corrosion. This is recommended to be done at least every year. WD40 and other solvent based fluids are not recommended since they can damage the parts of your uPVC window.

5. Draughts

Draughts can be caused by different causes. The hinges can also be disaligned as a result of wear, causing gaps where the sash and frame meet. If they are beyond repair, it could be necessary to have them realigned. Second, the interlock can be unbalanced. This happens on the hinge side and could require to be cleaned. In certain instances it is possible to replace these.

The next common reason for draughts is window seals, these are susceptible to being worn out or damaged over time and will allow air to escape through the gaps. This can be prevented by replacing them with high-quality weatherstripping. Another option is to replace the window with low-emissivity glass. this will help to regulate indoor temperatures and again will reduce the possibility of draughts.

The last way to reduce the amount of draughts is to use a Draught-exclusion device. These are typically fabric tubes filled with a filler that can be hung over your window sill. These will help to keep cold air out and keep your home warm and cozy!


Your windows made of upvc will remain a great source of insulation and security to your home with regular maintenance and repairs. It is crucial to keep in mind that all windows will eventually get worn out and it may be cheaper to replace them than to repair them. So, if you are having issues with your upvc windows, it is always best to seek professional assistance immediately.