How to Repair Double Glazed Windows
There are several tell-tale signs that your double glazed windows need repair. Evidently, water infiltration or draughts that enter the frames are an obvious indication of window damage and should be repaired in the shortest time possible.
However, misting can also be a sign that your window seals need replacing. Replacing the window seals will solve the issue, and stop draughts, leaks or condensation.
Broken Panes
One of the most frequent issues a double-glazed window face is broken glass. Double-pane windows are harder to break than single panes, however accidents can occur. It is important to repair broken glass as soon as you can.
The first step to take is to remove any loose shards of glass that remain in the frame. Wear gloves and eye protection when you remove the glass as it can be very sharp. Be sure to check the floor for loose pieces once the shards are gone. It is also a good idea to look for any hooks made of metal that might be holding the panes together and pull these out too.
After the glass is removed then you can begin the process of removing the old glass compound and glazing points (small fasteners that fix the glass into the frame of the window) and replacing them with new ones. This is a time-consuming procedure and requires a few tools to accomplish the task. This includes latex glazing putty; metallic glazing points; pliers; a heat gun; and a putty knife.
It's best to start at the top and work your way downwards when removing the old points and glazing compound. This will ensure that you don't end up getting any of the sash's wood or paint stuck to the tool. Also, if you 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, because this could cause damage.
When you're done then sand the wood. When the wood is smooth you can seal it using linseed or clear wood sealer. This will protect it against water and future damage.
There are a few simple fixes that you can try for a window that is cracked by a double-pane, but these methods are not a solution to the crack and should be used only as a temporary solution. The use of a silicone caulk may help seal the gap, but it is important to ensure that you use a high-quality caulk and adhere to the correct application methods.
Condensation
If you notice moisture or mist between the glass panes of your double glazing it means that your window seal has failed. This can be a serious problem as it prevents the insulating gas or air from getting trapped between the two panes.
Fortunately, this issue can be easily fixed by an expert in double glazing. Your window contractor will remove the window sash as well as the IGU (insulating unit) to correct the issue. Then, a new gasket will be blown in to form an airtight seal, preventing condensation from occurring again. They will also employ drying agents to help the area dry out and prevent the condensation from happening again.
There may be a the glass panes are a little cloudy in double-glazed windows, in the event that the frame has moved over time. This could cause the seal to break. This can be a major issue as it means that your windows will not function correctly and will lose their energy efficiency.
It is possible to replace a double-glazed window's panes, however, this can be costly and is usually only necessary if the window is beyond repair. If you have a problem with your double-glazed window and are still within the warranty period then you might be able to get it repaired at no cost or at a reduced price.
Review your warranty's terms prior to making contact with the company to determine if they can resolve the problem without having to replace the entire window. Double-glazed windows typically have 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 out 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 better for the environment too!
Broken Locks & Handles
If the handle on your window is broken or hard to open, it could be a major problem as it prevents you from using your windows. This could also give burglars the chance to break into your house. There are repair double glazing to fix it, but the best way is to call an uPVC expert. They can fix the issue for you, or at least offer you a new 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 be jammed. The handle's nose is stuck in the popped-out position, and it is unable to return to the wedged locked position. This can be a difficult issue, but it can be solved with a few simple steps.
To fix the issue, you'll have to remove the handle. This should be simple enough with a screwdriver. Once the handle is removed, you will be in a position to see the screws holding the lock to the frame. After the screws have been removed you can then employ pliers or a wrench to try to grab the shoot bolts. If this fails then you can put the tool between the frame and the window (the gap may differ at each end of the windows) and create an "u" shape using your hand to grab the bolts.
If you are able to free up the bolts for shooting, you can close the window by moving the handle to the closed position. The gearbox (espag or espagnolette.) is most likely damaged and won't open by the handle. It is possible to replace the gearbox without the shoot bolts, so the window can be opened with the handle (and is still secure), but you will need to order the new handle and gearbox.
Broken Hinges
It could be necessary to replace or repair your uPVC windows hinges if they aren't operating properly. It could be because the window was opened too vigorously or the hinge snapped. Or, they may have a defect. It's easy to replace the hinge, so you don't have to buy new windows.
First, you'll need to remove the existing hinges. To do this, remove the screws that secure the frame to the hinges. After the hinges are removed you can replace the boards with plywood that has been cut to the proper size. The plywood should be thicker than the hinges that came with it to help support the weight when the window is shut and opened. Use wood filler to ensure the hole left by the hinge of the past does not leak or break.
After you've re-installed hinges and filled the holes, you'll need paint them. Be sure to employ a top-quality paint to ensure that it will last for as long as is possible. Once the paint is dry it is possible to reattach the window and tighten any loose screws.
Window hinges also require regular maintenance. Cleaning regularly the friction stay track and lubricating hinge mechanisms will make them last longer. You can also apply wood preservatives in order to shield them against the elements. This will stop 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 part of your home, your windows will show wear and tear and could require repair or replacement in time. If you're seeing any indications that your double glazed windows aren't working properly, it's worth getting them examined by our experts in Preston.