How to Repair Double Glazed Windows
There are a few telltale indicators that indicate that your double-glazed windows need repair. Water ingress or draughts through the frames are a clear indication of damage to your windows and must be repaired in the shortest time possible.
However, misting could be a sign that your window seals require replacing. Replacing the window seals will solve the issue and stop draughts, leaks or condensation.
Broken Panes
One of the most frequent problems that a double-glazed window faces is broken glass. Double-pane windows are more difficult to break than single panes, but accidents can occur. It is important to repair a broken glass as soon as possible.
The first step to take is to get rid of any glass shards that are not completely removed that remain in the frame. Wear eye protection and gloves while removing the glass because it is extremely sharp. After the shards have been removed, check the floor of your home for additional loose pieces. It is also recommended to look for any hooks made of metal that might be keeping the panes in place and remove them too.
Once double glazing windows repairs has been removed, you will need to remove the old glazing compound (small fasteners that fix the glass to the frame of the window) and replace them with new ones. It is a long process that requires the use of a few tools. You'll need latex glazing putty, metal glazing points, pliers heat gun and a putty blade.
When removing the old glazing compound and points, it's a good idea to start at the top of the sash and work your way down. This will keep any wood or paint that is left in the sash from sticking to the tool. Also, if you do end up removing a portion of the sash's wood make sure you employ a chisel, or a utility knife instead of a chemical stripper as this can cause damage.
When you're done, sand the bare wood. When the wood is smooth, you can seal it with linseed or clear wood sealer. This will protect it from water and further damage.
There are a few quick solutions you can try for a window that is cracked by a double-pane however, these methods will not repair the crack and should only be used as a temporary measure. A silicone caulk can help seal the gap, but it's important to ensure that you use a top-quality caulk and adhere to the correct application techniques.
Condensation
If you've noticed moisture or mist between the glass panes of your double glazing, it's a sign that one of your windows has a broken seal. This can be a serious problem as it prevents the gas or air that acts as an insulation from getting trapped between the two panes.
A double glazing expert can fix this issue easily. Your window repair professional will take off both the window sash and window as well as the IGU (insulating unit) to fix the problem. Then, a new gasket is blown in to create an airtight seal, preventing condensation from occurring again. They will also use a drying agent to aid in drying the area out and prevent the condensation from recurring.
The other reason why you may see a haze between the glass panes of windows with double glazing is because the framework has moved slightly over time, which can break the seal that is so crucial. This can be a problem since it means that your windows will not function correctly and lose their energy efficiency.
Although it is possible to repair the panes of a double-glazed Window, this can be very expensive and is usually only needed when there are serious problems with the window that are beyond repair. However, if you've spotted an issue with your double-glazed windows and are still within the warranty period, then it may be possible to have the issue fixed for free or at a reduced cost.
It's worth checking the terms of your warranty prior to you call the company to find out whether they can resolve the issue without having to replace the entire window. Double-glazed windows typically come with warranties of between 10 and 20 years. You might find that the company can fix the window unit 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 in a position to complete the repair quickly. This is a less expensive alternative to buying and installing brand new double-glazed windows and it's also better for the environment!
Broken Locks & Handles
It can be a huge problem if your window handle is damaged or broken, or if it is difficult to open. You will not be able use your windows. This can also give burglars the chance to break into your home. There are several solutions to address the issue but the best option is to speak with an uPVC expert. They can repair the problem for you, or at the very least provide you with a replacement handle.
There are several types of window lock, but the most popular is the Maco or Mila locks that are found on most uPVC frames. These locks use bayonet style rods for locking and are very easy to seize up. If this occurs, the handle's nose will remain in the popped out position and will not go back into the locked wedge. This can be a gruelling problem, but it can be resolved by following a few simple steps.
To fix the issue, you will need to first remove the handle, which is easy enough using the help of a screwdriver. After you have removed the handle, you will be able see the screws that secure the lock to frame. Once the screws have been removed, you can try to grab the bolts using an awl or a pair of pliers. If this is unsuccessful, you may need to insert the tool into the gap between the frame and window (the gap can be different at each end of the window) and make a "u" shape with your hand to try to grab the shoot bolts.
If you are able to unblock the bolts that shoot, then you can shut your window by adjusting the handle to the closed position. The gearbox (espag or espagnolette.) is probably faulty and will not open by the handle. It is possible to replace the gearbox (espag or espagnolette) without the shoot bolts in order that the window can still be opened with the handle.
Broken Hinges
It could be necessary to replace or repair your uPVC windows hinges if they're not operating properly. It could be because the window was opened too forcefully, or that the hinge snapped. Or, they may have a flaw. Thankfully it is simple and quick, so there's no need to buy windows from scratch and you can have the old ones repaired instead.
First, you'll need remove the existing hinges. This is done by unscrewing the screws that secure the hinges to the frame. After you've removed your hinges, you can replace them with plywood boards that are cut to the correct dimensions. The plywood should be more dense than the original to support the weight of the window when it is shut and opened. You'll also need to use wood filler to ensure that the hole that was left by the hinge is filled to the brim and won't leak or become loose in the near future.
After you've replaced the hinges and filled the holes, you'll need paint them. Be sure to use a high-quality paint to ensure it lasts as long as is possible. Once the paint is dry, you can re-attach the window and tighten any loose screws.
Window hinges also require regular maintenance. You can ensure they last longer by regularly cleaning the track of friction and lubricating the hinge mechanism. You can also use a wood preservative to shield them from the elements, which will help to keep them from rust and keep them looking good for as long as is possible.
Having a double glazed window can help you save money on heating, since it is more energy efficient than a single-glazed window. Like any other part of your house windows, they will eventually require to be replaced or repaired. Our Preston experts are able to assist you if there are indications that your double-glazed windows aren't working properly.