How to Repair Double Glazed Windows
There are a few telltale indications that your double glazed windows require repair. Water infiltration or draughts that enter the frames are a clear sign of damage to the window and should be repaired in the shortest time possible.
Misting may also indicate that the window seals are in need of replacement. Replacing the window seals will solve the problem, and stop draughts, leaks, or condensation.
Broken Panes
Broken glass is among the most common problems that double-glazed windows have to face. Double pane windows are more difficult to break than single-pane ones however, accidents can occur and you'll want to repair a broken window as quickly as possible.
The first step is to take out any loose shards of glass that remain in the frame. Wear eye protection and gloves when removing the glass, because it is extremely sharp. Examine the floor for loose pieces once the shards are gone. Also, it is recommended to look for any hooks made of metal that might be holding the panes in place and remove them as well.
Once the glass is removed, you'll have to remove the old glazing compound (small fasteners that fix the glass in the window frame), and replace them with new ones. This can be a lengthy procedure, and you'll need a few tools to accomplish the task. You will need latex glazing putty and metal glazing points, pliers, heat gun and a putty blade.
When removing the old glaze compound and points it is best to start at the top of the sash and work your way down. This will help you avoid getting any of the sash's wood or paint stuck to the tool. If you need to take off some of the wood from the sash, employ a utility knife or a chisel instead of chemical strippers, which can cause damage.
When you're done then sand the wood. Once the wood is smooth then you can seal it using clear wood sealer or linseed. This will protect it from water and further damage.
You can make some quick fixes to repair cracks in a double-pane window. However, these methods are not a solution to repair the damage and should be used as an interim solution. The use of a silicone caulk may help seal the gap, but you need to make sure that you choose a high-quality caulk and adhere to the correct application methods.
Condensation
If you notice a haze of moisture or mist between the panes of glass that you have double glazing, this means that the window seal isn't working. This could be a major issue since it prevents gas or air that is used to insulate being trapped between two panes.
Fortunately, this can be easily repaired by an expert in double glazing. To fix the problem the window repair professional will take out the window sash that is affected and IGU (insulating glass unit) before putting in a new gasket to create a sturdy and airtight seal to stop condensation from happening again. They will also employ a drying agent to aid in drying the area out and stop the condensation from occurring again.
Another reason you might notice a misty appearance between the glass panes of windows that are double-glazed is that the framework has shifted over time, which breaks the crucial seal. This can be a serious issue, since your windows won't function properly and lose their energy efficiency.
It is possible to change a double-glazed window's glass, however, it can be costly and is typically only needed when the window is beyond repair. However, if you've discovered an issue with your double-glazed windows and are still within the warranty period it could be possible to get repaired for free or at least at a lesser cost.
Verify the warranty conditions prior to calling the company to find out whether they can fix the issue without replacing the entire window. Double-glazed windows usually have a guarantee 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, they'll likely send a specialist to repair your double glazed windows and are usually in a position to complete the repair quickly. This is a cheaper option than buying and installing brand-new double glazed windows and is also more sustainable for the environment as well!
Broken Locks & Handles
If the handle on your window is broken or difficult to open, it can be a major problem as it makes it impossible to use your windows. It also gives burglars a chance to break into your house. There are a number of ways to fix this, but the best option is to connect with a uPVC professional. Depending on the severity of the problem they will usually be able to fix it for you or at a minimum, give you a replacement handle.
There are a few different kinds of window locks, however, the most well-known is the Maco or Mila locks which are typically found on uPVC frames. These locks utilize bayonet-style rods for locking and are very easy to seize up. The handle's nose is stuck in the popped-out state, and it is unable to return to its wedged locked position. This can be a gruelling problem, but it can be solved with a few easy steps.
To fix the issue, you'll need to remove the handle. repair double glazing can be done easily enough using a screwdriver. After the handle is removed, you will be able to see the screws holding the lock to the frame. Once the screws have been removed, you can employ pliers or a wrench to try and grab the shoot bolts. If this fails, you can insert the tool between the frame and the window (the gap could be different between the two windows) and then make an "u" shape using your hands to grasp the bolts.
If you manage to unblock the bolts for shooting, you can shut your window by adjusting the handle into the closed position. But it won't be able to open again by the handle, since the gearbox (espag or espagnolette) will probably be faulty. It is possible to replace the gearbox without the shoot bolts, thus the window will be opened by the handle (and it will remain secure) however, you'll require the 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 with too much force, the hinge snapping or dropping or they had a fault at the beginning and it causes problems that make using your window difficult. Thankfully, replacing the hinge is quick and easy and doesn't require you to buy windows from scratch instead, you can get the old ones repaired instead.
The first step is to remove the existing hinges. To do this, loosen the screws that secure the frame to the hinges. After the hinges are removed then you can replace the boards with plywood that has been cut to the right 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 make sure the hole left behind by the hinge of the past does not leak or become loose.
After you've filled holes and replaced hinges, you'll require painting the doors. Make sure to use a high-quality paint to ensure that it will last as long as is possible. After the paint has dried and you are able to attach the window again. Make sure you tighten any loose screws.
Regular maintenance is also essential for hinges on windows. Cleaning regularly the track of friction and lubricating the hinge mechanisms will ensure they last longer. You can also apply wood preservatives in order to shield them against the elements. This will prevent corrosion and keep them looking great for as long as you possibly can.
Having a double glazed window can help you reduce your heating bills, because it's more energy efficient than windows with a single glazing. But, just like any other part of your home, your windows are susceptible to wear and tear and might require replacement or repair as time passes. Our Preston experts can help you if you notice any signs that the double-glazed windows you have aren't working correctly.