How to Tell If Your Double Glazed Windows Need Repair
Double-glazed windows are a great investment for your home. In time, they will begin to show signs that they're worn out.
Difficulty opening and sagging double glazing can be due to poor sealing which could lead to condensation and draughts. One way to combat this is installing trickle vents to allow fresh air into rooms.
Cracked glass
If a double-glazed window breaks it is a sign that the seal that insulates the two glass panes has broken. This indicates that the window is no longer able keep out cold or heat and, in extreme cases the entire unit could need replacing.
Windows that are cracked can be repaired with some simple steps. If you decide to tackle the project yourself, make sure you prioritize your safety by placing down a tarp or cloth to catch any shards that might fall, and wearing appropriate safety glasses and eye protection gloves. It is important to clean all tools prior to using them, since cleaning broken glass can be dangerous. If done incorrectly it could lead to cuts.
It is essential to determine the degree of the crack and its origin. If the crack was caused by a recent collision or another external factor it is recommended to speak with an expert to determine if a new window would be better suited to your home.
Once you've identified the source of the damage, it's time to start the repair process. Begin by cleaning the damaged glass using a mixture of soapy water. Dip an unclean rag into the mixture and gently rub it over the crack, taking off any dirt or debris that has got onto the glass.
One of the easiest methods to stop a crack from worsening is by applying a strip of masking tape over it. This should prevent superficial cracks like stress cracks from getting more serious by allowing the glass to expand and shrink without putting too much pressure on it. If the crack is more extensive, you will need to use stronger tape that is able to withstand greater tension and extends a few inches over the crack on both side.
Another option is to apply epoxy over the crack. This is a labor-intensive process and should only be employed for serious cracks. You'll have to clean the crack and the area around it, and then remove any excess epoxy.
Condensation
Double glazed windows can develop condensation for a variety of reasons. If you notice condensation on the interior surface of the glass, it indicates that there's too many moisture levels in the room and not enough air circulation. This is particularly common in bathrooms and kitchens where humidity levels are naturally high. It can also happen in the event that you've recently completed work on your home. For instance plastering and painting both release large quantities of water.
If the condensation is between the two glass panes it could be a sign of problems with your window. The majority of the time, this is caused by a crack in the desiccant between the two glass panels. This is a highly absorbent material that takes in any moisture that might enter the gap. If even the tiniest scratch or flaw is detected in this part of your window, then the desiccant is likely to become saturated and water will start to appear as condensation.
One method to stop condensation from building up in your double glazed windows is to regularly wipe down the internal surfaces of your sills and frames. This is especially important if you reside in an area that experiences extreme weather or large temperature fluctuations.
You can clean your double-glazed windows by using a cloth that has been soaked in a mixture of warm water and liquid detergent. It's important not to use a colored cloth when doing this as this could cause dye stains on the UPVC surfaces of your frames.
If you have a double-glazed window that is misting or has condensation, contact a professional to resolve the issue. They can fix the problem in a fraction of the time it would cost to replace the entire window. Their service comes with a 10-year guarantee.
Warping
If your double-glazed windows are breaking or crooking to the point that they do not perfectly fit in the window openings, you must fix them immediately. If you leave your windows in such a condition, they'll lose their appeal as well as their value for resales. Your home will also be less efficient because the gaps will let cold, outside air to flow in while heated and cooled inside air escapes.
Condensation of the glass panes is a typical sign of faulty double-glazed windows. This is a sign that the seals are damaged and that the argon gas that prevents cold from entering your home, has escaped. If the frames are rotting, they also need to be replaced. Frames that are rotting don't just look bad and detract from the appearance of your house However, they can also make windows less secure. This is a huge draw for burglars because they know that double-glazed windows with no security are a great way to break into homes.
It is possible to fix a lot of these issues yourself, however a professional can accomplish the task more quickly and efficiently. They can repair damaged seals and restore the insulation properties of double-glazed windows. In glaziers , they often replace the frame rather than just the glass panes which is less expensive.
Double-glazed windows are often sold with warranties of 10 to 20 years so if you encounter a problem with them it is worth getting in touch with the company you bought them from as soon as you can. Some companies offer a lifetime guarantee so it's a good idea to check prior to contacting them if you experience any issues.
Some of the more straightforward double-glazed window repairs are oiling hinges, handles and areas where windows enter the frame (if they are sash windows). This will make them smoother to open and close, and could solve the issue. Some companies can also drill holes in double glazing that has been misted to remove the moisture.
Discoloration
If you notice discoloration on the windows with double panes, this is a sign that it's the right time for them to be replaced. Damage to the window caused by a high level of indoor humidity is the cause of this issue. The stains usually appear as black streaks on the window surface, and while they look wet but they feel dry to the touch. The stains can appear as orange, white or green. If not treated, the discoloration could result in wood rot within the windows or doors, toxic mould growth and other health problems.
Window discoloration can be removed using a hog-bristle brush, liquid glass cleaner and Oxalic acid cleaner. The first step is to clean the dirt that has built up and accumulated on the windows. After the loose dirt has been removed and you are able to use a safety razor to get rid of the more dense dirt. Then, you can use the oxalic cleaner to clean any leftovers. Regular maintenance and cleaning is the best way to stop the issue from recurring.
Double-pane windows work as part of the energy envelope, which is the enclosed enclosure that is insulated and includes the roof, exterior walls, and fenestrations (skylights, entry doors and windows). They help maintain constant indoor temperatures and decrease air conditioning costs by keeping outdoor temperatures out. If you are concerned about the efficiency of your home's energy use, it is important to address any issues with your fenestrations as soon as they arise.
As double-paned windows age, they are susceptible to developing a range of issues that may affect their performance and lifespan. The most common issue is a damaged seal that causes condensation and other issues. Finding the right professional can often resolve these issues.
Although some homeowners are able to tackle the repair of a double-glazed window on themselves, it's generally more effective to leave the task to a qualified professional. This will ensure that the work is done properly and that the double-glazed windows are kept in good condition. Selecting a professional is important to ensure that you're getting the best value for your money. Checkatrade’s database of vetted reliable tradespeople will help you find the most suitable double-glazed window repair specialist to suit your needs.