energy efficiency

A Step-By Step Guide To Selecting Your Window Repairs

7 min read

UPVC Window Repairs

uPVC windows are energy efficient and can aid in reducing heating costs. As they age, however, problems may develop that need to be fixed. This could include damaged handles, hinges or locks.

Wooden window repair can be fairly easy for DIY enthusiasts to complete themselves. It’s less expensive than purchasing a new window.


Cracks and tears in uPVC windows can be a serious issue. If they are not repaired, they can lead to water ingress as well as less effective barriers against cold weather, and even the possibility of structural damage. It is essential to locate an expert local builder or repair service that specialises in repairing uPVC frames and has the skills, experience and tools required to deliver the best results. This will ensure that your shattered window is repaired before it gets any worse and that you don’t need to replace the window glass or window unit.

Small cracks in glass can be repaired by using a variety of DIY solutions. Superglue and masking tape are two of the most commonly used products used to keep glass that has cracked in place for a brief time. For more severe cracks, the tape may require to be extended on both sides.

Additionally, two-part epoxy can be used to repair broken or cracked glass. It’s available at a lot of hardware stores and can be purchased for around $10. Make sure your workspace is prepared prior mixing the epoxy and make sure you have the right equipment for the job, for example, a soldering tool.

If you find that your upper or lower sash has difficulty raising, it is likely because the cords connected to the sashweights have been damaged. Thankfully, this is a simple repair that can be made with the help of a ladder and a flathead screwdriver. A drip cap that is rotten can be replaced at home. Rot-free drip caps are available at most home centers and can be nailed and caulked in place with ease. If you have a double- or triple-pane window, be sure to check that one of the panes is not broken. This is because the gases that are leaking out between the panes are responsible for enhancing energy efficiency and should be retained and not released.

Water Leaks

If your uPVC windows are leaking, it could damage the interior of your home and lead to expensive repairs. Water leaks can also cause structural damage to your home as well as the growth of mold. It is crucial to address any issues caused by leaky windows as soon as possible to limit the damage.

The most common reason for window leaks is the damage to the sealant around the frame. Utilizing silicone caulk can help bring the condition of the seal back to normal and prevent water leakage. Examine for gaps and cracks around the window frame, and also the stone or brick wall that surrounds your windows.

A blocked drainage hole or defective Flashing are two other common causes of leaking windows. Check that the drainage holes have not been clogged or blocked, Upvc window repairs especially after a heavy downpour. It is also important to examine the windows’ flashing to ensure it is well-sealed.

Finally, it’s essential to make sure that your drip cap isn’t broken or rotten. A rotten drip cap or one that’s missing can allow water from above to seep into your window and cause structural damage. Replacing a drip cap isn’t a complicated job and usually a straightforward process of purchasing the new one and nailing it into the correct position.

A professional can also examine your windows for watertightness. They can use a special tool to determine the water-tightness of your windows and ensure they meet the industry standards. If your windows fail the test, they will have to be replaced. It’s a costly repair but it’s worth it to ensure the safety and comfort of your family.


If your windows don’t shut properly, it could lead to various problems, such as drafts, condensation and a rise in energy bills. It can be a sign that the windows weren’t well fitted at installation or the sealant is no longer effective. There are a few things you can do to fix the problem.

To fix your window replacement properly, you need to create a space that is well-lit. Start by laying newspaper or an old blanket on the floor to protect it from any drips or splinters that could be leaking from the window while you work.

Use a white cloth, soaked in a mix of water and detergent. This will stop any stains of color appearing on your windows. Mark the the hinge channel on your uPVC window when you are ready to begin working. Then remove the channel from the frame and fill the screw holes using epoxy (for uPVC windows) or uPVC window repairs wood filler (if your frames are made of wood). Make sure you scrape the filled hole smooth before it sets.

Once the holes are filled, you can install the hinge channel. Make sure that it is aligned with the window jamb and make sure you drill the holes for the new screws about quarter inch away from the original locations.

Then, take a measurement of the length of the spindle protruding from the underside of the handle and then order a replacement online or bring your old one in to the hardware store to purchase a new. Then, remove the setscrew off the operator shaft. Flatten it to allow the set screw to lock onto the shaft. Now, your uPVC window should shut without difficulty.

Broken Hinges

There will be a problem opening or closing your uPVC windows in the event that the hinges are damaged or aren’t working properly. This could cause problems with security and prevent your home from remaining cool or warm. It’s simple to purchase a new hinge for your uPVC windows. It’s crucial to choose the right type for your windows.

The hinges need to be the same size in order to fit into the frame of the window. The most common hinge for windows made of uPVC are standard 18mm or UPVC 15mm hinges for windows. There are also specialised hinges for wooden frames. Finding the right window hinge for your windows can help you avoid the typical issues that homeowners face with their windows, like not closing properly.

The hinges of your window could be slack or stiff due to a variety of reasons. The hinges may not have been properly tightened. You can check this with a screwdriver. locate the friction screw at the end of the hinge, and then loosen it. You can then adjust it by turning it in either direction.

If your UPVC window hinges aren’t functioning as they should, contact Preston Glass Fix for a quick repair. Our technicians will examine the condition of your hinges and give you advice on the most suitable solution. We can replace the window hinges, re-tension them or install new locking mechanisms to ensure that your UPVC windows are safe and secure for the long haul.

Faulty locks

UPVC window locks and mechanism are an essential component of the security of your home, they make it extremely difficult to open the window without breaking. It can be frustrating when a lock malfunctions, but you don’t need to replace the entire window.

Most of the time, it’s an issue that could have been prevented if you have had regular maintenance. This is the reason we recommend having your uPVC windows checked regularly by our yearly maintenance package to minimize the risk of having problems.

The majority of modern uPVC windows come with locks that operate by pushing the nose of the handle across a wedge block then turning the handle to close the lock. They are extremely efficient in keeping windows closed, however over time they can start to fail if not properly maintained. We suggest using WD-40 for lubrication every couple of times a year.

If you notice that your uPVC windows don’t open and shut as easily as they used to or when the lock isn’t functioning properly, it’s likely that there is an issue with the gearbox that locks the window frame. The process of removing this gearbox can be difficult since it requires the removal of the seals that surround the frame and the removal of the handle (be careful not to scratch these).

A locksmith who specialises in UPVC repairs is able to diagnose this fault quickly and be able to replace the failed locking gearbox with a precise replacement. This is a fast and simple repair that can save you hundreds of pounds by not having to purchase new windows.

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