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Repairs to uPVC Windows

uPVC windows are a fantastic choice for modern homes. They are easy to maintain and durable, as well as long-lasting. They don't decay or rust as aluminum or timber.

Cleaning and lubricating regularly UPVC windows and doors is vital. This will save you from unnecessary repair costs and also improve the efficiency of energy.

1. Broken Glass

The damaged glass in your windows could cause significant damage to your home, and could even be fatal. It is essential to take the time to ensure that you're doing everything you can to keep your windows in good shape.

For single pane windows it is relatively easy to replace them, and the replacement will usually fit inside the frame that was previously installed easily. However, if windows with double panes are held in place by internal beading, it'll be more difficult to get rid of the existing panes and install new ones. In this case it is essential to purchase plastic spacers in order to aid in fitting the new pane into the window frame.

Wearing protective eyewear and thick gloves is essential when you are planning to remove the glass by yourself. You should also lay down a dropcloth prior to you begin working on the window panes, so that any shards fall onto the fabric and not on the floor, where they could be trampled under.

Once the glass is removed and the glass is removed, it's a good idea to cover the gap with some clear packaging tape or duct tape to block water and drafts from getting into the property until a professional is able to come out and fix the window. This also serves as an obstruction to prevent criminals from getting into your home. If the gap between the door and the window is substantial, you may want to use a security screen that also includes an opening. This will give you the best of both.

2. Sagging

uPVC is durable energy-efficient, cost-effective and economical alternative to timber sash window. Over time, they can be affected by a variety of issues, including sagging. A window that is sagging can cause problems with light, draughts, and even security. If you find that your uPVC window is beginning to lose its shape, it is important to act swiftly to prevent the problem from becoming worse.

To repair a window that is sagging, you can try repositioning the hinges. To do this, you'll have to open the window to get to the frame. Then, using the screwdriver, you'll be able to unscrew the hinges on the top and bottom and adjust them by turning them clockwise or counter-clockwise. Close your window to test the fit after you've relocated your hinges. If you're satisfied with the fit, you can tighten the screws until they stay in place.

If you are unable to reposition the hinges, you might need to replace the seal. Over time rubber seals can lose their elasticity and dry out, which causes their tightness to decrease. It is essential to replace your seal as soon as you can to keep your uPVC window watertight and draughtproof.

uPVC handles can also become loose. This is often caused by screws that have been removed over time, but it could also be due to the mechanism of the handle getting worn out. Luckily, it's not difficult to fix the handle of a window that is loose yourself. First, you'll need to close the window and do an experiment fitting. The corners of the sash need to align with the casing joint. If it isn't then you can use a screwdriver to loosen the handle and reverse the mechanism back into its original position.

3. Water Leaks

If you're waking up to damp floors and mouldy walls each time it rains it's important to 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 regulate the temperature within your home. The most common cause for leaks in uPVC windows is that the sealant around the frame has been damaged or is missing.

This is a relatively easy fix that can be completed by any DIY expert. Depending on how serious the issue is, the old caulking may need to be removed. When it comes to uPVC repair, you should be careful not to over-caulk. This will make your window harder to clean and lower its energy efficiency.

It is crucial to make sure that any drainage holes are clear of debris and that the sill pan is angled properly so that it drains away from the window. In more severe cases, you may need to replace the window.

Other indicators of long-term water leakage are rotted sills and the appearance of black spots of mold on the walls near the window. This fungus thrives in conditions of dampness and can spread quickly throughout the house.

If the leakage occurs between the double-glazed window, it is more likely the issue is more related to the seal, not the frame. Again this can easily be repaired by an uPVC window specialist who can replace the glass seal and restore the full insulation properties of your windows.

4. Faulty Hinges

If your uPVC windows are difficult to open, or are loose and blow open with ease, it may be hinges at the fault. These are easily repaired by any skilled DIYer and can be done within a few minutes.


Nearly every home in the UK will have top-hung or side hung uPVC windows that use hinges and, just like any mechanical component they are susceptible to wear and tear over time. It's easy to replace a hinge on a window but it's much easier if someone else helps hold the frame.

It is also important to verify that the uPVC hinges are opened and closed in the right direction. Look for the arrows that are on each hinge to determine which direction the window should be opened.

Window hinges that aren't working properly could be the result of incorrectly opening the window in a certain manner or because of improper installation in the factory. Sending us a picture via our website will often solve the issue. upvc window repairs are happy to offer suggestions.

It is also crucial to grease the hinges on a regular basis. This can be done by applying a light engineering oil to the hinges, we recommend using a solvent-free lubricant, such as 3-in-one Multi-Purpose Oil. Regularly lubrication makes the window easier to open and close. It can also stop corrosion and reduce the risk of sticking. It is recommended to do this at least once a year. WD40 and other solvent based fluids are not recommended since they could damage parts of your uPVC window.

5. Draughts

Draughts can be caused by different factors. The hinges may also become misaligned due to wear, which can cause a gap where the sash meets frame. If they are damaged beyond repair, it could be necessary to have them realigned. The interlock may be disaligned. It is located on the hinge side and might require to be cleaned. In some cases it is possible to replace them.

The next common reason for draughts are the window seals. These can become worn down or damaged over time and will allow air to escape through the gaps. Replacement of these with high-quality weatherstripping can help stop draughts. Another alternative is to replace the upvc window with glass that is low-emissivity, this will help to regulate indoor temperatures, and also reduce draughts.

The last way to reduce drafts effectively is to use a Draught-exclusion device. These are usually fabric tubes filled with a filler, which can be placed over your window sill. These will help to block out cold air and keep your home warm and cozy!

The windows made of upvc can remain a great source of insulation and security to your home with a little regular maintenance and repairs. However, it is important to recognise that all windows have a lifespan and there may come a point where it is more efficient to replace them than repair them. If you are experiencing issues with your window made of upvc it is recommended to speak with a professional as soon as possible.

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