5 Repairing Double Glazed Windows Lessons Learned From The Professionals

· 6 min read
5 Repairing Double Glazed Windows Lessons Learned From The Professionals

Repairing Double Glazed Windows

Double-glazed windows "blow" in the wind, the insulating gas argon escapes, causing them to reduce their energy efficiency. The good news is that blown double glazing can often be repaired without the need to replace your windows completely.

The presence of condensation or moisture between your double-glazed windows is a typical indication that the seals on your windows are failing. A professional can easily fix this issue, thereby preventing you from having to replace your window.

Take off the Sash

Double-glazed windows are a fantastic way to improve the appearance and value of your home. They improve the energy efficiency of your home by keeping heat and cold out. Double glazed windows can help you save money on heating bills in Minnesota's harsh winters.

The main difference between single and double glazed windows is that the gap between the glass panes is filled with air or an inert gas, like the gas argon. This can make a huge difference to your windows' insulation properties because it blocks heat from moving through the glass. Choosing an inert gas with low thermal conductivity like argon or krypton, helps to increase the insulation properties of your windows further.

Double-glazed windows are also more secure than windows with a single pane. They are less likely to be broken and are able to have modern security locking systems. They can be fitted with laminated or toughened glass to make them even safer. Double-glazed windows are more sturdy, and less likely than single-glazed ones to shake or rattle in the winds. They are a great choice for older homes.

Double-glazed windows are also constructed of low-energy glass which helps reduce the UV rays entering your home. This can ensure that your carpets, paintings, and furniture from discoloration. This is particularly important when you have windows that are exposed to direct sun for most of the time.

Retrofitting old sash window with double glazing is also cheaper than buying new windows. The cladding, internal linings and opening mechanisms of your current windows remain intact, so the job is much less intrusive.

As an added bonus the installation of double glazed windows is much faster than removing and replacing a whole window. This means that you will be able to benefit from energy efficiency, improved security, and less glare as well as UV damage to your furnishings for a much lower price.

Remove the Glass

Double glazed windows are different from single pane windows in that they have two glass panes that are separated by an air layer and a spacer.  window repairs  provides insulation. This insulation unit (IGU) which is filled with gases like Krypton or argon, can provide even better insulation. These units can become damaged over time and cease to function properly. If this happens, it's important to remove the broken glass as fast and safely as possible.

Replacing double-glazed windows can be a difficult DIY job that requires specialised tools and techniques. This is why it's often best left to a professional who will utilize the appropriate safety equipment and follow the proper procedure to prevent injuries.



It is essential to take this precaution because double-glazed windows are extremely fragile and are prone to break or crack. Wear a respirator, gloves and mask to protect yourself while repairing the window. Make sure the area around the window frame is free of debris and clean. It is also recommended to put a thick piece of plastic over the area where the deglazing tool is going to score to catch any broken pieces of glass and make them easier to remove.

It's important to check for indications that double-glazed windows aren't working correctly. A draughty window is one of the most frequently observed signs that your IGU is blowing and is no longer providing proper insulation. You can also notice if the windows are cloudy or have condensation between them.

Double glazing is not just an option to save money on energy bills but also to shield your furniture from heat and light. Furniture can break and fade if exposed to sunlight for extended periods of time, however double-glazed windows protect your furniture from direct sunlight and will reduce the amount of heat that enters into your home.

Double glazing that is energy efficient can boost the value of a home. Installing double glazing is a wise investment if you are planning to sell your home in the near future.

Remove the Gaskets

Double glazing is a great method to boost the energy efficiency of your home, but it can wear out over time. Damages that are visible, draughts, and condensation are all indications that it's time to fix or replace your double-glazed windows.

The gasket is a key component of the window. It is a neoprene-based rubber seal that cushions and protects the window from the elements. Gasket degradation is a leading cause of leaks and moisture entering buildings. Fortunately, the seals can be replaced without replacing the entire window.

The gaskets are often able to be repaired by pulling them away. It is simpler to repair uPVC frames than aluminum or timber. If you're unable to remove seals on your own then you can use a builder’s knife to pry the seals apart until you are able to grasp it with your fingertips. After the seal is removed and replaced, you can replace it with a brand new seal to ensure a tight fit and maximum efficiency.

After the seals have been replaced, the window beading needs to be removed. This can be accomplished using a putty knife or a lead knife. The blade of the knife between the frame and the bead, in the middle of the longest bead. This will give you the most leverage to separate the bead from the frame.

After all of the beading has been removed, you can then remove the glass. To ensure optimal thermal performance, the gap between two panes should be 12mm. Argon gas should be used to fill this space. A larger gap could be used to reduce the sound levels however it will decrease the insulation capacity of your windows.

It's a good idea spray the window cleaner on the frame after it has been cleaned. This will allow the DGP stick better. This will prevent the tape from instantly sticking to the glass, and gives you the chance to place it in the right way. It's also a good idea to wipe the seals made of rubber with an absorbent cloth and warm soapy water to avoid any damage.

Re-seal the window

It is possible to reseal your double-glazed windows if find that they are smudged up or have moisture between them. This is a clear indication that the seal inside has failed to keep the insulating gases in. This is not unusual and the rubber that holds in the insulating gas may be damaged due to wear and tear or improper installation.

A professional window specialist will reseal every gap by applying a new seal. The technician will apply a silicone caulk to seal the gaps. This will keep the cold winter air out and the warm air inside. This caulk will stop bugs from entering your home and will also stop moisture from entering.

Re-sealing double-glazed windows not a DIY-friendly task. However, it is possible. It is a lengthy and laborious job that requires specialized tools to get rid of the old seal, then clean the area, and then apply a new caulk. To avoid injury and ensure that the work is done properly it is best to enlist the help of a professional complete the job.

In some instances, a double-glazed glass window cannot be repaired and must be completely replaced. This could be due to broken or cracked glasses, extensive damage on the frame or severe decay. It is recommended to speak with a double glazing expert to determine what the best solution is in these circumstances.

Oftentimes, the misting of windows is a sign that the treatment of the glass in the factory has failed. The factory will treat the window with a low emissivity coating to reflect heat away. Additionally, it may pump in an argon gas to provide additional insulation. When these treatments fail, moisture is allowed into the gap between the glass panes and it could cause condensation. This issue can be resolved by a professional who drills tiny holes into the glass panes and then pipeing into a dehydrating solution to eliminate the moisture. The professional will then fill the gap with insulating gas and seal it, without let any gas escape.