How to Repair Double Glazed Windows

Double glazing is usually covered by a warranty of 10 or 20 years. If your double-glazed windows are showing signs of aging, you might be entitled for them to be replaced under warranty.

Double glazed window repair involves re-sealing your existing glass unit. The seal is not working when you notice misting.

Glass damaged

Double pane windows depend on an airtight seal to function effectively. The most typical indication that a seal is not working is when condensation forms between the glass plates. Condensation between glass plates is not a major problem and can be fixed however, it's an indication that your glass unit is in need of replacement. If you have an older double-glazed window, this may mean replacing both the glass and the frame. If your frame is in good condition it is possible to save money by only replacing the glass.

Glass is brittle and it's not uncommon for double glazing repairs Sunbury-on-Thames-pane windows to crack over time. If the cracks aren't caused by mechanical damage or a sudden impact, it's possible to repair the cracks using epoxy and a tiny amount of elbow grease. Follow the manufacturer's instructions and scrub the area of the crack using a wet cotton cloth. Then apply the epoxy to the crack. Let the epoxy completely dry before painting and sanding the repaired area.

It's also possible to prevent cracks from spreading with a simple strip of masking tape. A single strip of masking tape on the opposite side of the crack ought to be sufficient to prevent cracks that appear superficial from spreading, for instance stress-cracks that are caused by low temperatures. If you notice deeper cracks in your glass that are already present, it is recommended to consult a professional for the repair.

Attempting to replace just one pane of double-pane glass is a dangerous and challenging DIY job. Double-pane windows are made as a complete unit and sealed in the factory using inert gas, so it's 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 recommended to cover the window frame with newspaper before you attempt to remove the sash, and then replace any broken glass. This will help protect your from any sharp shards that could fall in the process and leewhan.com also help to protect the trim of your home or molding.

Condensation Build-Up

The good fact is that condensation between window panes is normal. It's caused by a disparity between air temperature and humidity levels, which causes water vapour in the air to condense when it touches cold impenetrable surfaces such as windows. Usually this is beneficial, especially during winter because it helps to prevent loss of heat.

If you notice that your windows appear cloudy with a film of moisture on them, it's the time to contact an experienced glazier. This is a sign that the seal between the two panes is beginning to break down and allows moisture to enter the window.

You can stop this by using a dehumidifier or a fan, enhancing ventilation or using a deicing agent. Additionally, there are specialist companies who will repair condensation build-up in double-glazed windows by drilling holes in the window and pumping or injecting a specific desiccant in order to eliminate the excess moisture. This is a more complex procedure that requires the unit to be removed from the frame, opening up each pane of glass to clean them thoroughly, then refilling with desiccant before sealing them back up. This is usually a more expensive option but it is worth checking whether the company you use is fully insured and is registered with FENSA.

Be aware that altering your double-glazed windows could cause the windows to be void of any warranties. If you have windows that are covered by a warranty it is recommended to inform the company of any issues as they will be responsible for the replacement of any defective units under warranty. Additionally, any damage that is caused through tampering will likely not be covered under your guarantee either so it is recommended to seek advice from a professional before making any DIY fixes. This is especially true for Www.Repairmywindowsanddoors.Co.Uk older units as they are often more prone to failure. It is best to replace the entire glazed panel in case this happens. The result will be brand new windows that will last for a long time.

Scratches

It's not unusual for double-glazed windows to be affected by scratches on their surface. This could be the result of environmental factors or even caused by the way the window was originally installed.