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10 Factors To Know To Know Double Glazing Windows Repairs You Didn't Learn At School
Double Glazed Windows Repairs

Over time, your double-glazed windows will begin to display signs that they require repair. These might include a draught coming through the window, misting, condensation on the windows, and broken glass.

These issues can be solved without having to replace your entire window unit. You can also save money on energy bills.

Broken Panes

A pebble from a lawnmower or a baseball that is toss by your children or even an accident at work can cause a crack in the glass of your double-glazed window. Unlike single-pane windows, double glazing features an airtight seal that holds insulated gas between two glass panes. If a glass pane that has been broken creates a gap within your frame, you will have to replace it.

In a couple of easy steps, you can install an entirely new window pane. First the old glass and the surrounding wood should be removed from the frame. The new glass should be placed inside the frame opening and pressed down using silicone caulk.

The frame's gap is then filled with window putty which can be spread around using a putty blade and smoothed by a second knife. Window putty also acts as an adhesive to keep the new pane in the frame. If the wood moldings on the double-glazed windows are painted, you will need to use a chisel in order to get rid of the paint or varnish.

Wear heavy gloves when working with glass prior to installing windows. Then, scrape off any remaining window glass with a utility knife and measure the opening for the new window. With a wood frame, reduce 1/16 of an inch from each measurement to allow expansion and contraction of the wooden frame. Metal frames should be treated the same way to ensure that the replacement glass fits snugly.

It is possible that the seals between glass panes may also fail during repairs that are double-glazed. This could result in condensation or the formation of mist in the gap. A technician can fix this issue by drilling small holes in the frame to expel any moisture. He or she will then pipe hot air into the gap to dry it, and seal it again.

It is preferential to leave the job of repairing double-glazed windows to professionals. To avoid injury, it is recommended to leave the work to a professional.

Foggy Windows

The window seal (also known as the gasket on the window) is responsible for sealing air between the two glass panes in double glazing and prevents drafts, moisture and noise. But over time, this window seal can perish or shrink. This is because of natural expansion and contraction when the window goes through different temperatures and weather conditions throughout the year.

Foggy windows are an indication of a weak airtight seal. This can allow moisture from the outside to enter and condense in between the glass panes, creating an appearance of frosted, wet which is difficult to clean.

There are a variety of ways you can fix this issue without having to remove the double glazing. One option is to 'defog the window by drilling tiny holes and injecting a cleansing solution between the glass panes. This is a temporary solution because the solution only removes the fog, and not replace the inert gases that are between the glass panes. It will not bring back any energy efficiency that has been lost due to the deterioration of seals.

Another alternative is to replace the glass with an insulated glass unit (IGU). This will provide you with new, clean windows that are free of fog and will restore any energy efficiency. This is more expensive than just fixing the IGU, but it is an option that is more durable.

There is also the chance that the wood frame of your window or door could be decaying and requires to be replaced. This is a major repair job and can be very costly and replacing the damaged frames will give you a fresh start and prevent the entry of more moisture into your home. It is best to get a professional to assess the damage to your window prior to you begin any repairs. They'll give you a price and provide you with advice about your options. They can help you choose the right double-glazing option that will fit perfectly. They will install your windows correctly and use top quality materials.

Condensation Between the Panes

Condensation is an natural phenomenon that happens when warm air comes in contact with an cool surface. The air's water vapour condenses and forms liquid droplets. While condensation that forms on the surface of a double-glazed window can be easy to remove but the condensation that occurs between glass panes can be more troublesome and can result in the development of mould or damage to the glass itself.

The moisture that forms between your windows could be caused by a variety of factors like extreme temperatures as well as high humidity and damaged seals. Older windows are more prone to this problem than ones that have improved sealing technology.

Although the development of condensation between the panes of your window is not something to ignore It is important to keep in mind that this issue can be fixed without having to replace the entire window unit. In most cases, this issue is caused by a leak in the gas seal or vacuum that is found between the outer and inner frames of your windows.

A professional can look over your window and determine if seals require repairs or replaced. If the seals are replaced, this will aid in restoring the windows' ability to insulate heat and cold which will result in lower energy costs.

To address this issue, a specialist can drill holes into the inner and outer window to eliminate the moisture that has built up inside. It can take from only a few minutes up to several days to get rid of all the moisture. After this is completed the window can then be re-sealed and fitted with vents to allow the windows to naturally expel air and moisture.


It is important to make sure that your windows are properly maintained and sealed to prevent this issue. This can be achieved by hiring a professional to perform a regular maintenance for your double-glazing. This will ensure that any issues are identified early and fixed before they become more serious, helping to prolong the lifespan of your double-glazed windows, and reducing the need for replacements.

Damaged Frames

Sometimes, the frames of double glazing may be damaged and require repair. These repairs will require the expertise of a professional. The majority of these are much cheaper than having to replace the window units. They will also be much more energy efficient.

Condensation occurs when water gets into the frame of double-glazed units. Home happens when the rubber seal that keeps the insulating space free of water breaks, and tiny holes start to form. This could be the result of a variety of causes most often the seals are worn down or some water getting trapped between the panes.

The first thing to do when you spot this issue is to contact the company you purchased your double-glazed unit from. They will investigate the issue and, if it is covered under warranty, they will arrange to replace the unit for you.

It is crucial to remember that this process may take some time, depending on how busy the company is. Therefore, it is recommended to research and find out as many details about the company and the installers as possible before signing a contract with them. This will help you to avoid any problems later on and to make sure that your repairs are carried out properly.

A specialist can repair the gasket seals which have shrunk and broken to stop condensation and moisture developing between the panes of glass. This can be a lot less expensive than buying and installing new double-glazing windows which could cost thousands of dollars. This is more sustainable for the environment and you'll save money on energy bills.

In some instances, the frame of the window may need to be completely replaced. It could be due to damage or because the windows are outdated and no longer energy efficient. If the window is not able to be repaired, it is best that it be replaced with a unit with a similar design. This will improve the energy efficiency of your home and prevent any future issues with condensation and leaks.

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