How to Repair Double Glazed Windows
Double glazing is typically covered by a warranty for 10 or 20 years. So, if your double-glazed windows are showing signs of aging, you may be entitled to have them fixed under warranty.
Double-glazed window repair involves the re-sealing of your glass unit. Misting is a clear sign that the seal has failed and you need to have it fixed.
Damaged Glass
A seal that is airtight is vital for double pane windows to function effectively. Condensation between the glass plates is a common sign of a failing seal. Condensation between glass plates is not a major issue and can be fixed however it is an indication that your glass unit is in need of replacement. If you have a double-glazed window that is older, it could be necessary to replace the glass and the frame. If the frame is in good condition however, you could usually save money by replacing only the glass.
Double-paned windows may develop cracks due to the fragility of glass. If the cracks aren't caused by mechanical damage or a sudden impact, it's often possible to repair these cracks using epoxy and small amount of elbow grease. Begin by cleaning over the crack with a wet cotton rag. Then, apply epoxy to the crack, following the instructions of the manufacturer. Allow the epoxy to fully dry before applying paint and sanding to the repaired area.
A simple strip of masking tape can also be used to stop cracks from spreading. One strip of tape placed on both sides of the cracked area is enough to prevent superficial cracks, such as stress cracks caused by low temperatures, from escalating. However, if you're dealing more serious cracks that have already formed in your glass, it may be best to call a professional to ensure the security of the repair.
Attempting to replace just one pane of double-pane glass is a difficult and dangerous DIY task. Double-pane windows are manufactured as a whole unit and sealed in the factory using inert gas. Therefore, it is impossible to remove the glass without causing damage to the entire window. If you intend to replace the glass in your double-paned windows choose a brand with an extensive warranty.
It's also a good idea to pad the window frame with newspaper before you attempt to remove the sash, and then replace any broken glass. This will protect your from any glass shards that might fall during the process. It also helps prevent any damage to the trim or molding of your home.
Condensation Build-Up
The good part is that condensation occurring between windows is completely normal. It's due to a gap between the temperature of the air and humidity levels and causes water vapour in the air to condense when it comes in contact with cold, hard surfaces like windows. Usually this is an excellent thing, particularly during winter because it helps to prevent heat loss.
If your windows appear cloudy and have a film of water on them, you should call a professional glazier. This is an indication that the 'air gap seal between the two glass panes is beginning to break down and is letting moisture into the window.
You can stop this by using dehumidifiers, enhancing ventilation, or using de-icing agents. Additionally, there are specialist companies who will repair condensation build-up in double-glazed windows by drilling holes in the window and then injecting or pumping a special desiccant to remove the excess moisture. This involves removal of the sealed unit from the frame and cleaning every glass pane before refilling the desiccant. This is typically an expensive option however, it's essential to make sure the company you choose to work with is insured and is registered with FENSA.
Remember that tampering your double-glazed windows could end any warranties. If you have windows that have a warranty it is recommended to inform the company of any problems as they'll be accountable for the replacement of any defective units under warranty. It's best to consult an expert prior to undertaking any DIY repairs. This is particularly the case for older units because they're more likely than modern ones to fail. If this happens, it's better to replace the entire glass panel. Then you'll have brand new windows that will last for years to come.
Scratches
It's not uncommon for double-glazed windows to be impacted by scratches on their surfaces. This could be due to environmental factors, or the way in which the window was installed.
A majority of scratches are superficial, and can be easily fixed with a few simple remedies. If you can feel the scratches on your windows using your finger or nail, or if they are deep, it's best to consult a professional for help in restoring the glass back to its original state.
Superficial scratches are caused by objects scraping against the glass the windows' surface, such as tree branches, pet claws and abrasive materials used when cleaning. Often, these scratches can be removed with some non-abrasive solutions such as iron oxide or cerium oxide polishes which you'll have to keep using until the scratch is gone.
Scratches can also occur while sanding wood trim near your windows. They may also occur during construction. They are difficult to repair, however the use of baking soda mixed with water should help smooth the area that has been buffed and remove any scratches that remain.
For deeper scratches, you can use metal polish to smooth the area and remove them. Apply a small amount to cotton balls, or a clean microfibre towel and gently rub the area with a circular motion. Be cautious not to apply too much pressure, as this could exacerbate any further damage to the glass. After the area has been smoothed out then use a moist cloth to remove any polish residue left.
Consider purchasing a non-abrasive special glass polish if you have a deep scratch you cannot get rid of. This is available at any DIY store and must be applied according to the directions on the packaging. Alternately, you can apply nail polish to smooth the area and cover any shallow scratches that your window glass may have. Be sure to only apply the nail polish only to the area scuffed.
Haze
Haze in your double pane window is a sign that the airtight seal between the two panes of glass has been damaged. This needs to be fixed as soon as you can so that moisture and dirt don't build up between the glass panes. This could damage the glass and decrease its transparency.
There are a variety of methods to get rid of the haze that has formed on double pane windows. Use a defogging agent. However, this is just an interim solution. If you're looking for a permanent solution, you'll want to seek out a professional glazing company that can fix the issue and replace the gaskets if needed.
Another way to get rid of the problem of haze in double-glazed windows is to drill small holes into the frame of the window, using a carbide-tipped drill. You can then tuck in a desiccate bag into these holes and rinse the window with rubbing alcohol. The water will help clear the haze from the window and wash it.
To avoid fogging, it is essential to keep your windows clean and maintain them on a regular basis. This will let you see through the double-panes and enjoy the stunning view from your home or garden. In addition, ensuring that your house is ventilated will also be beneficial. This will ensure that any condensation is swiftly removed, and not allowing it to settle and reseal the window.
It is not enough to clean and maintain your windows on a regular basis However, you should also ensure that they are installed correctly. The installation of your windows must be carried out by a professional glazing company. This will ensure that the seals and gaskets are installed correctly and fit securely. It's also recommended to get your windows repaired as soon as you can, before they start to exhibit signs of wear and tear. This will avoid expensive double pane window repairs.
In general, double-glazed windows that have insulation are designed to last approximately 20 years. This is due to the fact that they are built to withstand a variety of weather conditions, such as extremely cold temperatures, extreme humidity, heat, and repeated opening and closing. It is crucial to keep in mind that the standard life span of double-glazed windows could be shortened due to improper installation or faulty materials.