How to Repair Double Glazed Windows
There are a few telltale indicators that indicate that your double-glazed windows require repair. Obviously, water infiltration or draughts that enter the frames are an obvious indication of window damage and will need to be fixed in the shortest time possible.
However, misting could be a sign that your window seals require replacement. Replacing your window seals will solve the problem, and will stop leaks, draughts or condensation.
Broken Panes
One of the most common problems that a double-glazed window faces is broken glass. Double pane windows are more difficult to break than single pane windows however, accidents can happen and you will want to repair a damaged window as quickly as possible.
Remove any loose glass fragments that might be in the frame. Be sure to wear a pair of gloves and eye protection when doing this, as glass can be extremely sharp. Once the shards are removed, look around the floor of your home for additional loose pieces. It's also recommended to pull out any hooks that hold the panes together.
Once the glass has been removed, you will have to remove the old glazing compound (small fasteners that fix the glass into the frame of the window) and replace them with new ones. It is a long process that requires some tools. You'll need latex glazing putty, metal glazing points, pliers, an electric heat gun, and a putty blade.
When removing the old glaze compound and points it is a good idea to start at the top of the sash and work your way down. This will stop any wood or paint from the sash from sticking to your tool. If repairing double glazed windows do remove some of the sash's wooden pieces, make sure you employ a chisel or a utility knife instead of a chemical stripper, because this could cause damage.
After you've finished ensure that you scrub any wood that's not finished to smooth it. Once it's smooth, you can apply the oil of linseed or a clear wood sealer to safeguard it from water and further damage.
There are a few simple fixes that you can try to repair a damaged double-pane window However, these solutions won't fix the crack and should only be used as a temporary fix. A silicone caulk can aid in sealing the gap, but it's important to ensure that you use a high-quality caulk that is applied using the proper techniques.
Condensation
If you notice moisture or mist between the panes of glass that you have double glazing it is a sign that the window seal isn't working. This could be a cause for concern because it prevents gas or the insulating air from getting trapped between the two panes of glass which means it cannot do its job effectively and can lead to temperature changes which can cause condensation to form.
A double glazing expert can easily repair this problem. To correct the issue the window repair professional will take out the affected window sash as well as the IGU (insulating glass unit) before putting in a new gasket. This will create a strong and airtight seal to prevent condensation from occurring again. They will also employ a drying agent to help the area dry out and stop the condensation from happening again.
Another reason you might notice a misty appearance between the glass panes of windows that are double-glazed is that the frame has moved over time, which breaks the all-important seal. This can be a major issue since it means that your windows won't work 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 normally only necessary in the event of serious problems with the window that are beyond repair. However, if you've spotted an issue with your double-glazed windows, and you're still within the warranty period, then it may be possible to get repaired for free or at least at a lower cost.
Check your warranty terms before making contact with the company to determine whether they can fix the problem without replacing the entire window. Double-glazed windows typically have an assurance of 10 to 20 years. You may find that the company is able to repair the window instead of replacing it. If this is the case you're in, they'll send a specialist out to fix your double-glazed windows. They're able to complete the task quickly. This is a less expensive alternative to buying and installing new double-glazed windows. It's also better for the environment!
Broken Locks & Handles
If the handle on your window is broken or hard to open, it could be a major issue since it prevents you from using your windows. This could also give burglars an opportunity to break into your house. There are a few solutions to address the issue however the most effective method is to call a uPVC expert. They can fix the issue for you, or at the very least provide you with a replacement handle.
There are several kinds of window locks however, the most well-known is the Maco or Mila locks that are found on most uPVC frames. They lock using rods that resemble bayonets, which could easily be jammed. The handle's nose is stuck in the popped-out position and it will not return to the wedged lock position. This could be a frustrating problem, but can be fixed by following a few simple steps.
To fix the issue, you'll need to take off the handle. This is simple enough with the help of a screwdriver. After removing the handle, you'll be able to view the screws that secure the lock to the frame. Once the screws are removed you can then make use of pliers or a wrench to try and grasp the bolts that hold the shoot. If this is unsuccessful it is possible to insert the tool through the gap between the frame and window (the gap can be different at each end of the window) and create an "u" shape with your hand to try and grab the shoot bolts.
If you manage to remove the shoot bolts, then you can close your window by moving the handle to the closed position. The gearbox (espag or espagnolette.) is likely to be damaged and won't open by the handle. It is possible to replace the gearbox (espag or espagnolette) without the shoot bolts so that the window can be opened by the handle.
Broken Hinges
You may need to repair or replace your uPVC windows hinges if they are not operating smoothly. It could be because the window was opened too forcefully, or that the hinge snapped. It could also be that they have a problem. Fortunately, replacing the hinge is simple and quick, so there's no need to purchase a new window - you can simply get your old windows repaired instead.
First, you'll need remove the existing hinges. To do this, loosen the screws that hold the frame to the hinges. After the hinges are removed then you can replace the boards with plywood that has been cut to the proper size. Make sure the plywood is thicker than the original board to ensure it is able to support the weight of the window both open and closed. It is also recommended to use a wood filler to ensure that the hole that was left by the hinge is completely filled and will not leak or break in the near future.
After you've replaced the hinges and filled the holes, you'll have to paint them. Use a quality paint to make sure it lasts as long as possible. After the paint has dried and you are able to attach the window again. Secure any loose screws.
Window hinges also require regular maintenance. You can ensure they last longer by cleaning them regularly on the track of friction and lubricating the hinge mechanism. You can also use wood preservatives to shield them against the elements. This will prevent corrosion and keep them looking good for as long as you can.
Double-glazed windows are more energy-efficient than single-glazed windows, and will save you money on heating. Like any other part of your home, your windows will eventually need to be repaired or replaced. Our Preston experts can assist you if you observe any signs that the double-glazed windows you have aren't working correctly.