How to Repair Double Glazed Windows
There are several tell-tale indications that your double glazed windows require repair. Obviously, water ingress or draughts through the frames are an obvious indication of window damage and must be repaired as soon as possible.
However, misting could be an indication that your window seals are in need of replacing. Replacing the seals will fix the issue and will stop condensation, draughts, or leaks.
Broken Panes
One of the most frequent problems that a double-glazed window faces is broken glass. Double-pane windows are less difficult to break than single panes, however accidents do happen. You will want to repair a broken glass as soon as possible.
Get rid of any glass fragments that may still be in the frame. Wear gloves and eye protection when removing the glass, as it can be very sharp. Check the floor for any loose pieces once the shards are gone. It is also a good idea to search for any hooks of metal that may be keeping the panes in place and take them out as well.
After the glass has been removed, you will have to take off the old glazing compound (small fasteners that fix the glass in the frame of the window) and replace them with new ones. This can be a lengthy procedure, and you'll need some tools to complete the task. You'll need latex glazing putty, metal glazing points, pliers an electric heat gun, and a putty blade.
When you are removing the old glazing compound and points it is a good idea to start at the top of the sash, and begin to work your way down. This will help you avoid getting any of the paint or sash's wood stuck to the tool. Also, if you end up removing some of the sash's wood, be sure to use a chisel or utility knife instead of a chemical stripper as this can cause damage.
When you're done make sure you sand any bare wood to smooth it. Once it's smooth you can apply linseed oil or a clear wood sealer to shield it from water and further damage.
There are a few easy fixes that you can try to repair a damaged double-pane window, but these methods are not a solution to the crack and should only be used as a temporary measure. The use of silicone caulk can aid in sealing the gap. However, it is important to use caulk of high-quality and with the correct application methods.
Condensation
If you've noticed moisture or mist between the glass panes of your double-glazed windows, it's a sign that one of your windows has a failed seal. This could be a major issue since it prevents insulating gas or air from being trapped between two panes.
Fortunately, this can be easily repaired by a double glazing expert. The window company will take out both the window sash and window as well as the IGU (insulating unit) to correct the issue. Then a new gasket will be blown into to form an airtight seal to prevent condensation from occurring again. They'll also employ a drying agent to help dry the area and stop the condensation from occurring again.
You may also notice the glass panes are a little cloudy in double-glazed windows if the frame has moved over time. This will cause the seal to break. This can be a major issue because it means your windows won't function properly and will lose their energy efficiency.
While it is possible to replace panes of a double-glazed window but this can be quite expensive and is typically only necessary in the event of serious issues with a window that is beyond repair. If you are experiencing issues with your double-glazed window and are still in the warranty period, you might be able repair it for free or at a reduced price.
It is worth checking the conditions of your warranty prior to you contact the company to see whether they can solve the problem without replacing the entire window. Double glazed windows are generally covered by warranties ranging from 10 to 20 years, which means you might find they can repair the faulty window units rather than replacing them completely. If this is the case you're in, they'll send a professional to repair your double-glazed windows. They can usually do this quickly. This is a less expensive option than buying and installing brand new double glazed windows, and it's better for the environment!
Broken Locks & Handles
When your window handle is damaged or difficult to open, it could be a major problem as it prevents you from using your windows. It also gives burglars the chance to gain entry into your home. There are several ways to fix it but the best option is to contact an uPVC expert. Based on the severity of the problem they are able to usually fix it for you or at least provide you with a new handle.
There are several kinds of window locks, but the most common one is the Maco or Mila locks which are typically found on uPVC frames. These locks employ bayonet rods for locking and can easily seize up. If this occurs, the handle's nase is stuck in the popped out position, and will not go back into the locked position wedged. This can be a very annoying issue, but it is able to be solved by following a few easy steps.
To resolve the issue you must first take off the handle, which should be easy enough with the help of a screwdriver. After removing the handle you will be able see the screws that hold the lock to frame. Once the screws have been removed, you can employ pliers or a wrench to attempt to grasp the bolts that hold the shoot. If double glazing window repairs fails, you can insert the tool into the gap between the frame and the window (the gap may be different at the ends of the windows) and create an "u" shape using your hands to grasp the bolts.
If you manage to unblock the shoot bolts, then you can close your window by moving the handle to a closed position. The gearbox (espag or espagnolette.) is probably faulty and won't open when you pull the handle. It is possible to replace the gearbox (espag or espagnolette) without the shoot bolts so that the window will still be opened using the handle.
Broken Hinges
It could be necessary to replace or repair your uPVC windows hinges if they aren't functioning smoothly. It could be that the window was opened too vigorously, or that the hinge snapped. It could also be that they have a problem. It's simple to repair the hinge so you don't need to purchase new windows.
First, you'll need remove the hinges currently installed. This is accomplished by removing the screws that attach the hinges to the frame. After the hinges have been removed then you can replace the boards using plywood that has been cut to the proper size. The plywood should be more dense than the hinges that came with it to help support the weight when the window is shut and opened. Use wood filler to make sure the hole left by the hinges of the past does not leak or become loose.
After you've filled in the holes and put on hinges, you'll require painting the doors. Make sure you use a high-quality paint to ensure that it lasts as long as is possible. Once the paint is dry it is possible to reconnect the window. Make sure you tighten any loose screws.
Window hinges also require regular maintenance. Cleaning regularly the track of friction and lubricating hinge mechanisms will help them last longer. You can also use a wood preservative to protect them from the elements, which will help to prevent corrosion and maintain their appearance for as long as possible.
Double-glazed windows are more energy efficient than single-glazed ones, and can save you money on heating. But, just like any other component of your home, your windows can suffer from wear and tear and might require replacement or repair over time. Our Preston experts can assist you if you observe any indications that the double-glazed windows you have aren't functioning correctly.