How to Repair Double Glazed Windows
There are several tell-tale indicators that indicate that your double-glazed windows need repair. Draughts and water ingress are clear indicators of damage to window frames. They must be fixed as quickly as possible.
Misting can also indicate that the window seals are in need of replacement. Replacing the seals will solve the problem and prevent condensation, draughts, or leaks.
Broken Panes
One of the most common problems that a double-glazed window faces is broken glass. Double pane windows are much harder to break than single-pane windows, accidents do happen and you will want to repair a broken window as soon as you can.
The first step is to take out any glass shards that are not completely removed that are still in the frame. Wear eye protection and gloves when you remove the glass because it could be extremely sharp. Examine the floor for fragments that have fallen off after the shards are gone. It is also a good idea to look for any hooks of metal that might be keeping the panes in place and pull these out as well.
After the glass is removed, you can begin the process of removing the old compound and glazing points (small fasteners that pin the glass to the frame of the window) and replacing them with new ones. This is a time-consuming process and you will need several tools to accomplish the task. These include latex glazing putty; metal glazing points; pliers; heat gun; and a putty knife.
When removing the old glazing compound and points, it's best to start at the top of the sash, and begin to work your way down. This will stop any paint or wood from the sash from sticking to the tool. If you do end up removing a portion of the sash's wood, be sure to employ a chisel or a utility knife instead of a chemical stripper, since this could cause damage.
After you're done, sand the bare wood. When it's smooth you can apply Linseed oil or a clear wood sealer to safeguard it from water and future damage.
There are a few easy solutions you can try to repair a damaged double-pane window however, these methods are not a solution to the crack and should be used only as a temporary fix. The use of silicone caulk can help seal the gap. However, it is important to use a high-quality caulk and the correct application techniques.
Condensation
If you've noticed any moisture or mist between the glass panes of your double glazing, it's a sign that one of your windows has a failed seal. This could be a major problem as it prevents the insulating gas or air from getting trapped between the two panes.
A double glazing expert can fix this issue easily. To fix the problem, your window contractor will take out the affected window sash and IGU (insulating glass unit) before blowing into a new gasket to create a sturdy and airtight seal that will prevent condensation from happening again. They will also apply a drying agent to aid in drying the area out and stop the condensation from recurring.
You may also notice the glass panes are a little cloudy in a double-glazed windows when the frame has changed over time. This could crack the seal. This could be a problem since it means that your windows won't work correctly and will lose their energy efficiency.
Although it is possible to replace panes of a double-glazed Windows, this can be very expensive and is usually only necessary if there are severe problems with the window that are beyond repair. However, if you've spotted the signs of a problem with your double-glazed windows, and you're still within the warranty period, then it may be possible to get it fixed for free or at least at a lesser cost.
Check your warranty terms before contacting the company to determine whether they can fix the issue without replacing the entire window. Double glazed windows are typically covered by guarantees of between 10 to 20 years, which means you might find they're able to repair the damaged window units rather than replacing them completely. If this is the case, they'll likely send a specialist out to fix your double glazed windows and will typically be in a position to complete the repair quickly. This is a much less expensive alternative to purchasing and installing new double-glazed windows. It's also better on the environment!
Broken Locks & Handles
If your window handle is broken or hard to open, it can be a major problem as it makes it impossible to use your windows. This could also give burglars an opportunity to break into your house. There are several ways to fix this but the most effective solution is to connect with an uPVC professional. Based on the severity of the issue they will usually be able to come and repair it for you or at a minimum, give you an alternative handle.
There are several kinds of window locks, but the most common one is the Maco or Mila locks that are found on most uPVC frames. These locks use bayonet style rods to lock, and they can easily seize up. The handle's nose is stuck in the popped-out position, and it will not return to the wedged locked position. This can be a gruelling issue, but it can be fixed with a few easy steps.
To resolve the issue, you'll need to remove the handle. This is simple enough using the help of a screwdriver. After the handle is removed, you will be able to see the screws that hold the lock to the frame. Once the screws are removed and the handle is removed, you can make use of pliers or a wrench to try and grab the bolts for the shoot. If this fails then you can put the tool between the frame and the window (the gap may be different at each end of the windows) and make an "u" shape with your fingers to grasp the bolts.
You can shut your window by moving the handle back to its closed position if you are in a position to release the bolts that shoot. But it won't be able to open again by the handle, as the gearbox (espag or espagnolette) will probably be faulty. It is possible to replace the gearbox without the shoot bolts, so the window can be opened using the handle (and will still be secure) however, you'll need to order a new handle and gearbox.
Broken Hinges
You may need to repair or replace your uPVC windows hinges if they aren't functioning smoothly. If this is because of the hinges being opened by too much force, the hinge dropping and snapping or if they were defective to begin with, it can cause problems that make using your window difficult. Luckily it is simple and quick, so there's no need to purchase windows that are new instead, you can get your old ones fixed instead.
Remove the hinges. This is done by unscrewing the screws that attach the hinges to the frame. After you've removed your hinges, you can replace them with plywood boards that are cut to the proper size. The plywood should be more dense than the original one to be able to withstand the weight when the window is closed and opened. Use wood filler to ensure the hole left behind by the hinge of the past will not leak or break.
After you've re-installed the hinges and filled the holes, you'll need to paint them. Make sure double glazing windows repair apply a high-quality paint to ensure it will last as long as it can. When the paint is dry it is possible to reattach the window and tighten any loose screws.
Window hinges also require regular maintenance. Cleaning the friction stay track and lubricating hinge mechanisms will ensure they last longer. You can also apply a wood preservative to protect them from the elements, which can help to prevent corrosion and maintain their appearance for as long as is possible.
Double-glazed windows are more energy-efficient than single-glazed windows and can save you money on heating. Like any other part of your house windows, they will eventually require to be replaced or repaired. Our Preston experts can assist you if you notice any indications that your double-glazed windows are not functioning correctly.