How to Repair Double Glazed Windows Double glazing is usually covered by a warranty of 10 or 20 years If your double-glazed windows begin to show signs of aging, you may be entitled for them to be replaced under warranty Double-glazed window repair requires the re-sealing of your glass unit The misting is a clear indication that the seal has failed and you have to repair it Damaged Glass Double pane windows require an airtight seal in order to function effectively The most frequent indication that a seal is failing is the formation of condensation between the glass plates Condensation between glass plates is not a major issue and can be resolved however, it's an indication that your glass unit needs replacing If you have an older double glazed window, this may require replacing both the glass and the frame If your frame is in good shape however, you can typically save money by replacing only the glass Glass is fragile, and it's not uncommon for double-pane windows that develop cracks as time passes If the cracks were not caused by mechanical damage, or a jarring impact to the window they can be fixed with epoxy and elbow grease Follow the manufacturer's instructions and scrub the crack using a wet cotton cloth Then, apply epoxy to the crack Allow the epoxy to fully dry before sanding down and painting over the repaired area A simple strip of masking tape can also be used to stop cracks from spreading One strip of masking tape applied to each side of the crack should suffice to stop cracks that appear superficial from spreading, like stress-cracks that are caused by low temperatures If you're dealing more serious cracks that are already forming in your glass, it may be best to call an expert to ensure the safety of the repair The process of replacing one pane of double-pane glass is a difficult and dangerous DIY task Double-pane windows are constructed as a whole unit and sealed in the factory with inert gas, which means it's impossible to remove the glass without causing damage to the entire window If you are planning to replace the glass in your double-paned windows pick a manufacturer with a strong warranty You can also apply newspaper to protect the window frame prior to when you remove the sash or replace any broken glass This will shield your from any sharp shards that could fall in the process, and it'll also help to prevent any damage to the trim of your home or molding Condensation Build-Up It's good to know that condensation on windows can be normal It is caused by a difference between the humidity and temperature of the air The water vapour in air condenses when it comes in contact with cold, inaccessible surfaces like windows Usually this is a good thing, especially in winter as it prevents heat loss If your windows look like they are cloudy and have a thin layer of water on them, you must contact an experienced professional glazier This is a sign that the seal between the two panes is beginning to weaken, allowing moisture into the window You can attempt to stop this from happening by using a dehumidifier or a fan, enhancing ventilation or using a deicing agent There are also professional companies that can help fix 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 https//k12instructurecom/eportfolios/709861/Home/The_3_Most_Significant_Disasters_In_Windows_Repair_History involves removing the sealed unit from the frame and then cleaning every glass pane before refilling the desiccant This is usually a more expensive solution however, it's essential to make sure the business you choose is insured and is registered with FENSA It is important to keep in mind that tampering with your double-glazed windows is not advised and will end any guarantees If you have a guarantee on your windows it's always best to let the company know of any issues that arise, as it will be responsible for replacing units under warranty It is recommended to speak with an expert prior to undertaking any DIY repairs This is particularly relevant for older units since they can sometimes be more prone to failure If this happens, it's best to replace the whole glazed panel Then you'll have brand new windows that will last for many years Scratches Double-glazed windows aren't resistant to scratches This can be due environmental factors, or the way in which the window was constructed Fortunately, the majority of these scratches are minor and can be repaired by using a few home remedies that you can do yourself If your windows are damaged to the point that you can feel them with your finger it is recommended to consult a professional so that the glass surface is restored to its original state These scratches happen by objects like tree branches, pet nails and cleaning products that are abrasive scratch the glass of your windows These scratches can often be removed with non-abrasive solutions like iron oxide or polishes made from cerium dioxide You will have to apply these products until the scratch disappears Scratches can also happen when sanding wood trim near your windows They may also occur in the course of construction These scratches are often difficult for you to fix However, a mixture of baking soda and water can aid in smoothing out the buffed surface and remove any remaining scratches Metal polish can be used to remove more severe scratches Add a small amount of the product to a microfibre ball or cotton cloth and gently rub over the affected area in a circular motion Be careful not to apply too much pressure since this could cause damage to the glass After the area has been smoothed out then use a moist cloth to remove any polish residue that remains Consider purchasing a non-abrasive special glass polish if there is a an incredibly deep scratch that you cannot get rid of This is available at any DIY store and should be applied following the directions on the packaging You can also use nail polish to smooth the area and cover any minor scratches on the glass of your window Make sure the nail polish is clear and only applied to the scratched part of your window Haze Haze in your double pane window is an indication that the airtight seal between the two panes of glass has deteriorated This must be fixed immediately so that dirt and moisture do not build up between the glass panes This can damage the glass and reduce its transparency There are a variety of options to remove haze from your double pane windows One option is to apply an anti-fogging spray This is only a short-term solution If you are looking for a permanent solution, you should consult a professional glass company They can fix the issue or replace the gaskets as needed A carbide-tipped tool can be used to make small holes in the window frame to remove haze You can then insert desiccate packs into these holes, and then wash the window using rubbing alcohol The water will clear the haze as well as clean the window It is vital to ensure your windows are maintained and cleaned regularly to avoid fogging This will keep the double panes clear and allow you to enjoy the beautiful view of your backyard or home In addition, ensuring that your home is well ventilated will also be beneficial This will ensure that any condensation is quickly removed, rather than letting it settle and reseal your window You should not only clean and maintain your windows frequently and make sure that they're installed correctly The installation of your windows should be carried out by a reputable glazing company https//outputjsbincom/lequholume/ will ensure that the gaskets and seals are installed correctly and fit snugly It's also a good idea to have your windows repaired as soon as you can, before they start to show signs of wear and tear This will avoid expensive double pane window repairs Generally, insulated double glazed windows are built to last for about 20 years This is because they are built to withstand all kinds of weather conditions, such as extremely cold temperatures, extreme heat, humidity and frequent closing and opening It is important to keep in mind that improper installation or faulty material could reduce the life span of double-glazed windows