How to Repair Double Glazed Windows

Typically double glazing comes with a guarantee of 10 or 20 years. If your double glazed windows are showing signs of aging, you could be eligible to have them repaired under warranty.

Double-glazed window repairs involve resealing the glass unit that is in use. The seal is failing in the event that you see mist.

Glass that is damaged

double glazed window repair pane windows rely on an airtight seal to perform correctly. Condensation between glass plates is a common indication of a failing seal. Condensation between glass plates are not a major issue and can be corrected however, it's an indication that your glazing unit needs replacing. If you have a double-glazed windows that is old, it might be necessary to replace the glass as well as the frame. If your frame is in good shape it is possible to save money by simply replacing the glass.

Glass is brittle, and it's not uncommon for sash double-pane windows that develop cracks as time passes. If the cracks aren't caused by mechanical damage, or a sudden impact on the window they can be fixed by using epoxy and elbow grease. Follow the manufacturer's instructions and scrub the area of the crack using a wet cotton cloth. Then, apply epoxy to the crack. Allow the epoxy to fully dry before sanding and painting over the repaired area.

A simple strip of masking tap can also be used to stop cracks from spreading. One strip of tape on both sides of the crack area is enough to keep superficial cracks, such as stress cracks caused by low temperatures, from getting worse. However, if you're dealing more serious cracks that have already developed in your glass, it might be best to call an expert to ensure the safety of the repair.

It is risky and difficult to replace a single pane within double-paned windows. Double-pane windows are made as a whole unit and sealed in the factory using inert gas, so it is impossible to remove the glass without damaging the entire window. If you plan to replace the glass in your double-paned windows, choose a brand with a long-lasting warranty.

It's also recommended to cover the window frame with newspaper prior to when you attempt to remove the sash, and then replace any broken glass. This will shield your from any sharp shards of glass that may fall in the process as well as to avoid any damage to the trim or molding of your home.

Condensation Build-Up

The good part is that condensation occurring between window panes is totally normal. It's caused by a difference between the temperature of air and humidity levels and causes water vapour to condense when it touches cold and impervious surfaces like windows. This is generally a good thing during winter, since it stops loss of heat.

However, if you're noticing that your windows appear like they're cloudy, with a film of moisture on them, it's probably time to call in an expert Glazier. This is an indication that the air gap seal between two glass panes is beginning to break down and is letting moisture into the window.

You can stop this by using a dehumidifier, improving ventilation or applying a de-icing agent. Additionally, there are professional companies that can help solve condensation issues in double glazed windows by drilling holes in the window unit and pumping or injecting a specific desiccant in order to eliminate the excess moisture. This is a more involved procedure that requires the unit to be removed from the frame, and then opening each glass pane, cleaning them thoroughly and then filling them with desiccant and sealing up again. This is typically more expensive, however it's important to ensure that the company you use is fully insured and is registered with FENSA.

Be aware that any modification to your double-glazed windows can end any warranties. If you have windows that are covered by a warranty it is recommended to notify the company of any problems as they will be responsible for replacement units under warranty. Additionally, any damage that is caused by tampering is likely not be covered under your guarantee either so it is recommended to seek expert advice before making any DIY repair. This is especially true for older units, as they are sometimes more likely than modern ones to fail. It is best to replace the entire glazed panel in case this happens. Then you'll have brand new windows that will last for many years.

Scratches

It's not uncommon for double-glazed windows to be impacted by scratches on their surface. This could be due to environmental factors or the way the window was put in place.

Fortunately, the majority of these scratches are minor and can be easily repaired by a few do-it-yourself remedies. If your windows are damaged to the point that you can feel the scratch with your finger it is recommended to seek help from a professional so that the glass surface is restored to its original state.

Superficial scratches are caused by objects scraping against the glass surfaces of your windows like tree branches, pet claws and abrasive substances used for cleaning. The scratches can be removed with non-abrasive solutions like iron oxide and polishes made of cerium dioxide. You'll require these products until the scratch disappears.

Scratches can also happen when finishing sanding wood trim close to your windows. They can also happen during construction. They can be difficult to repair, but a little bit of baking soda and water should help smooth the buffed area and remove any remaining scratches.

For deeper scratches you can use a polish for metal to smooth the area and eliminate scratches. Add a small amount to cotton balls, or a clean microfibre towel, and gently rub the area with a circular motion. Avoid applying too much pressure because this could cause further damage to the window. After the area has been smoothed, use a wet cloth to remove any polish residue left.

Think about purchasing a non-abrasive glass polish if you have a deep scratch you cannot get rid of. This is available at any DIY store and sash must be applied according to the directions on the packaging. Alternatively, you can use nail polish to smooth the area and cover any shallow scratches on your window glass. Ensure that the nail polish is clear and is only applied to the scuffed area of your window.

Haze

The appearance of fog in your double-pane window indicates that the airtight seal between the two panes of glass has deteriorated. It's important to have this fixed as soon as you can to ensure that you don't end having dirt and moisture build-up between the panes. This could cause damage to the glass and reduce its transparency.

There are a variety of options to remove haze from your double pane windows. Use a defogging solution. However, this is just an interim solution. If you're looking for a permanent solution, you'll need to get in touch with a professional glazing business who can fix the issue and replace the gaskets, if necessary.

Another method to eliminate the problem of haze on double-glazed windows is to drill tiny holes into the frame of the window, using a carbide-tipped drill. You can then insert a desiccate packet into these holes and rinse the window with rubbing alcohol. The water will clear the haze as well as clean the window.

It is vital to ensure your windows are maintained and regularly cleaned to avoid fogging. This will keep your double panes clear and allow you to take in the stunning view of your home or garden. In addition, ensuring that your house is ventilated can also be beneficial. This will help to ensure that any condensation is quickly eliminated, rather than being allowed to settle and then reseal the window.

In addition to the regular cleaning and maintenance, you should also ensure that your windows are installed. The installation of your windows must be handled by a reputable glazing company. This will ensure that the seals and gaskets are installed correctly and fit securely. It's a good idea to repair your windows as quickly as possible before they begin to show signs of wearing out. This will help to avoid expensive double pane window repairs.

Typically, insulated double-glazed windows are built to last for about 20 years. This is because they are designed to stand up to a variety of weather conditions, including very cold temperatures, extreme humidity, heat, and repeated opening and closing. It is crucial to keep in mind that an improper installation or defective material could reduce the life span of double-glazed windows.