10 Things That Everyone Doesn't Get Right About Repairing Double Glazed Windows

10 Things That Everyone Doesn't Get Right About Repairing Double Glazed Windows

Repairing Double Glazed Windows

Double glazing can be an energy efficient method of cooling and heating, however in time, it's not uncommon for windows to develop faults. Most of these problems are easily rectified without having to replace the windows.

One common problem is condensation. This occurs when the air-tight seal that holds in the gas that acts as an insulator between panes fails.

1. Broken Panes

A stray ball or the wrath of a raging storm or simply dropping a large vase on your window All of these can break a double-glazed window. Most broken double-glazed windows can be repaired yourself and save you the hassle and cost of replacing them.

You can fix a cracked glass pane that is still sealed with no holes by using a strong-hold tape. This will keep the crack from getting worse until you find the permanent solution.

If the crack is more extensive the crack will need to be removed and replace the glass. This is the job of someone with experience in DIY and you must use the appropriate safety equipment when dealing with broken glass. To do this, begin by cleaning the window frame and scraping off old glazing putty, paints, varnishes and  glazier  points made of metal. It is also necessary to remove the wood molding from the frame on the other side of the window. This could require the use of a flat pry-bar or chisel. If the frame has l-shaped grooves where the new window will be placed it is recommended to sand them to bare wood and then apply a sealer to ensure the glass is properly fitted.

Installing the new window pane is easy after the frames have been cleaned. It's a tangled, delicate task. It is important to make sure that the glass lines in corners are smooth. If you're fixing windows made of wood it is necessary to remove old putty using an hammer for woodworkers and a chisel, being careful not to damage the surrounding molding.

It is possible that windows with double glazing aren't sealing properly if you notice condensation in between the glass panels. It may also be difficult to open or close. This is most likely due to poor manufacturing or a inadequate installation by a professional It is therefore essential to select a reputable company when buying and installing your windows. If these issues persist, it's best to consult a qualified double-glazing repair expert.

2. Condensation

It is inevitable that some double-glazed windows will require to be repaired. A window that has a mist is usually an indication that there is a problem with the airtightness of the gap between two glass panes.

A humid and draughty air can cause damage to curtains, carpets and other furniture. It can also cause water and rot to enter the home. Fortunately, a double-glazed window can be easily fixed by an expert. This will allow you to take advantage of the benefits of a new double glazed window for the next time.

The difference in temperature between outside and inside the glass is what creates condensation or draughts in double-glazed windows. This causes droplets of water and moisture to accumulate over time, particularly in winter. When these droplets become problematic, they may block the view of the entire window and they can be difficult to get rid of without damaging the glass.

If you have a misted double-glazed window, it is likely to be fixed with an instrument that drills tiny holes in the top and bottom of the outside pane of glass. This is done to help remove the moisture that has formed between the glass. After the moisture has been removed, an antifog product can be sprayed inside the glass. Vents can also be added to allow the window natural ventilation.

Professionals repair double-glazed windows, saving you the cost of buying a new window. It is worth checking your guarantee to see if this type of repair is covered. If it is not, then it might be required to replace the double-glazed unit.

You need to find a professional who you can trust with your repairs. The Checkatrade website will help you locate an expert who has been thoroughly screened and vetted to make sure that they can provide top-quality workmanship. They also provide you with customer reviews, so that you can read what other customers have said about the services provided by the tradesperson.

3. Leaks

Water leaking from double glazing could cause serious damage to your home. Often, it means that the window seal is no longer functioning properly and water has entered the cavity, along with the wall or plaster. This can cause to dampness and even mold. It is recommended to repair the leak immediately to avoid further damage.

The leaks of water through windows can be difficult to determine. However, a bit of research can help you identify the source. Look for dark patches on the walls near the windows, or the sills are flooded with water after a storm. This is a sign the window seals need to be replaced. Contact a double glazing repair specialist in your region.


The water that leaks out of a window can also be due to issues with the caulk or on the stone or brick wall that surrounds the window. If this is the case, there's likely to be a simple fix you can make yourself using silicone caulking to reseal these areas.

A common double-glazed window leakage is misting. This happens when the gap between the panes gets saturated with moisture and the fog builds up. This can be a challenge to remove However, there are a few steps you can take to resolve this issue.

First, check that there is no condensation on the inside of the glass. This can be a sign that there is a problem with the window seal, or that the argon gas inside the sealed unit has been released. If this is the case, then it's likely that the sealed unit needs to be replaced, though this is not always possible.

It is also possible to notice that the edges of the double-glazed window begin to separate from the frame. This could be because of an absence of maintenance or it may be due to the fact that the frames have shifted slightly over time. A UPVC window expert can help you solve this problem by replacing hinges or locks, as well as handles on double glazed windows. This will not only enhance the appearance of your windows, but also their energy efficiency.

4. Sagging

It is typical for double-glazed windows to become cloudy and for condensation to form between the glass panes. This is often because of a significant difference between outdoor and indoor temperatures. The rubber seal that prevents moisture from seeping into the insulating space between the glass panes has been broken.

Over time, one or both glass panes may become cloudy. It's important to call an experienced team as soon as you notice misting. This is a sign that the window seals are broken.

Another problem is that the window's sash will begin to rub against the frame. This is a sign of sliding uPVC and requires professional attention. A sagged uPVC window won't close properly and could let draughts from outside into your home.

Check the corner joints of the sash, as well as the window casing to determine whether your window is sagging. If the corner of your window sash is rub against the bottom of the frame, this is an indication that the sash has fallen and requires repair.

uPVC is a strong material, however, like every component, it will eventually wear out. Generally, this is due to the abuse they take from harsh weather conditions, strong winds and general wear and wear and tear. Contact a double glazing company immediately if your uPVC windows or doors are experiencing issues.

Double-glazed windows are usually repaired using the exact same techniques as single-pane glasses. In some instances, the entire window structure will require replacement and not just the glass. Retrofitting is the process. The cladding, the internal liner, and the original frame are replaced with new double-glazed IGUs. This is a cheaper alternative than replacing the entire window. It's also less intrusive and is typically completed in just a few days.