How to Repair Double Glazed Windows
There are a few telltale signs that your double glazed windows need repair. Obviously, water ingress or draughts leaking through the frames are an obvious indication of window damage and must be fixed as soon as possible.
However, misting can also be an indication that your window seals are in need of replacement. Replacing the seals will solve the problem and prevent condensation, draughts, or leaks.
Broken Panes
Broken glass is one of the most frequent problems that double-glazed windows confront. Double-pane windows are more difficult to break than single panes, yet accidents can occur. It is important to repair the damaged glass as quickly as you can.
The first step is to remove any glass shards that are not completely removed that are still in the frame. Make sure to wear a pair of gloves and eye protection while doing this, since glass can be extremely sharp. Check the floor for any fragments that are not fixed after the shards are gone. Also, it is recommended to search for any metal hooks that may be keeping the panes in place and remove them too.
After the glass has been removed, you'll have to remove the old glazing compound (small fasteners that hold the glass to the window frame) and replace them with new ones. It's a lengthy procedure that requires the use of a few tools. You'll need latex glazing putty, pliers, glazing points, pliers, a heatgun and a putty blade.
When removing the old glazing compound and points it is best to start at the top of the sash, and begin to work your way down. This will keep any wood or paint from the sash from adhering to the tool. If you need to remove a portion of the wood from the sash employ a utility knife or a chisel instead of chemical strippers which could cause damage.
Finally, when you're finished, be sure to scrub any wood that's not finished to smooth it. Once the wood is smooth you can seal it with clear or linseed wood sealer. This will shield it against water and future damage.
There are a few simple fixes you can attempt for a cracked double-pane window, but these methods will not repair the crack and should be used only as a temporary measure. Utilizing silicone caulk will help to seal the gap. However it is essential to use caulk of high-quality and with the correct application techniques.
Condensation
If you've noticed water or mist between the glass panes of your double glazing, it's a sign that one of your windows is suffering from a failing seal. This can be a serious issue since it prevents gas or air that acts as an insulation from being trapped between two panes.
Fortunately, the issue can be easily fixed by a double glazing expert. To fix the problem the window repair professional will remove the affected window sash as well as the IGU (insulating glass unit) before putting in a new gasket. This will make a strong and airtight seal that will prevent condensation from happening again. They'll also employ a drying agent to aid in drying the area and stop the condensation from recurring.
You may also notice the glass panes are a little cloudy in double-glazed windows, if the frame has changed position over time. This will cause the seal to break. This could be a major issue as your windows will not work correctly and lose their energy efficiency.
It is possible to change a double-glazed window's panes however, it can be costly and is typically only needed when the window is beyond repair. However, if you've discovered the signs of a problem with your double-glazed windows, and you're still within the warranty time, then it may be possible to get it fixed for free or at a reduced cost.
It's a good idea to check the terms 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 usually have a guarantee of 10 to 20 years. You might find that the company is able to repair the window instead of replacing it. If this is the case, then they'll likely send a specialist to fix your double glazed windows and will usually be able to do so quickly. This is a less expensive alternative to purchasing and installing new double-glazed windows. It's also better for the environment!
Broken Locks & Handles
If your window handle is broken or hard to open, it could be a huge issue as it prevents you from using your windows. It also gives burglars the chance to break into your home. There are many ways to fix this, but the best option is to speak with an uPVC professional. They can fix the issue for you, or at least provide you with a replacement handle.
There are many kinds of window locks, but the most common one is the Maco or Mila locks that are commonly found on uPVC frames. These locks lock with bayonet-style rods, which can easily become jammed. The handle's nose is stuck in the popped-out position and it is unable to return to its wedged locked position. This could be a frustrating problem, but it can be solved by following a few simple steps.
To resolve the issue, you'll have to remove the handle. This is simple enough with a screwdriver. After removing the handle, you'll be able to view the screws that attach the lock to the frame. After the screws have been removed, you may try to grab the bolts with a wrench or pair of pliers. If this doesn't work then you might need to insert the tool through the gap between the frame and the window (the gap could be different on each end of the window) and make an "u" shape with your hands to try and grab the shoot bolts.
If you can manage to unblock the bolts for shooting, you can shut your window by moving the handle to a closed position. The gearbox (espag, espagnolette, etc.) is probably faulty, so it will not open when you pull the handle. It is possible to repair the gearbox without the shoot bolts so the window can be opened using the handle (and it will remain secure) however, you'll require an entirely new handle and gearbox.
Broken Hinges
It is possible to repair or replace your uPVC windows hinges if they're not operating properly. If this is because of the hinges being opened with too much force, the hinge snapping or dropping or they had a fault at the beginning and it causes problems that make it difficult to use your window. It's simple to fix the hinge, which means you don't have to buy new windows.
Remove the hinges. To do this, remove the screws that hold the frame to the hinges. Once the hinges have been removed, you can replace the boards using plywood that has been cut to the correct size. Make local double glazing repairs that the plywood is more robust than the original board to ensure it is able to support the weight of the window when open and closed. It is also recommended to use wood filler to ensure that the hole left by the old hinge is completely filled and will not leak or loosen in the future.
After you've replaced the hinges and filled in the holes, you'll need to paint them. Use a quality paint to make sure it lasts as long as is possible. Once the paint is dry and you are able to reconnect the window. Secure any loose screws.
Regular maintenance is also important for window hinges. You can make them last longer by regularly cleaning the friction stay tracks and lubricating the hinge mechanism. You can also apply wood preservatives to protect them against the elements. This will prevent rusting and keep them looking good for the longest time you can.
Double-glazed windows are more energy-efficient than single-glazed ones, and can save you money on heating. However, just like every other component of your home, windows can suffer from wear and tear and may need repairing or replacing in time. Our Preston experts are able to assist you if there are signs that the double-glazed windows you have aren't working properly.