Fri. Apr 12th, 2024

Double Glazed Window Repair

Double glazing is an excellent energy efficient investment that prevents loss of heat during winter and keeps your home cool in the summer. Repairing your double-glazed windows whenever required is a great method to keep them in good condition.

Over time your double glazed windows can suffer from issues like condensation and misting. This can cause your double glazed windows to be difficult to open or shut.

Broken Panes

A ball that is rogue or Double Glazed Window Repair a stone flying from your lawnmowers or a strong storm can shatter your double pane windows which can expose your home to the elements. While a damaged glass window isn’t easy to fix however, it does not need to be replaced. In fact the insulated glass that is between the two panes is still in good condition and you can fix your double-pane window using a little DIY effort.

First, you’ll need to take any broken glass from the frame. This can be messy work, and Double Glazed Window Repair you’ll want to be careful to stop any glass fragments from falling onto the floor or slipping out of the frame. Make sure to wear a pair of work gloves to protect your hands and a rag to protect the area around the broken glass to prevent further cuts or breakage. After taking out the broken glass, clean the frame of the window thoroughly to get rid of any sealant or debris. It’s important to sand rough areas of your frame to create a smooth surface for the new glazing.

After cleaning the frame and removing the dust, you can apply another layer of glass to the area where you removed the broken pane. This is the best way to seal and protect your window, and will reduce your energy bills by preventing water and drafts from entering the home. Next, you will need to choose your glazing material. There are a variety of options, including clear tape that is more durable than regular tape and will keep your window secure from further cracking, as well as glazing film that resembles clear plastic wrap. The benefit of this type of material is that it can be painted to match the frame you have and will also keep snow and rain out too.

Whatever material you choose regardless of the material you choose, it is essential to press the glazier’s points into the seam where the putty meets the frame. They will help hold the new glass in place and aid it stick to the frame. Hardware stores carry glazier’s point ropes that you can roll out on the frame rabbets.


If you’re experiencing problems with condensation, it’s best to call the window manufacturer. Many companies offer warranties and guarantees to will cover these issues. Fogging or condensation between the windows’ panes is a sign that your seals are damaged. Only a professional can fix this problem by replacing the panes.

This procedure is a bit complicated and requires special tools to take off the old pane and then install the new one, but it is possible to do this by an expert who will provide the required equipment. It is best to delegate the task to a professional. These tools could be risky.

Wear safety gloves and glasses if choose to do it yourself. You could be exposed to flying glass fragments. It is crucial to remove any putty or metal glazing points from the grooves that will hold the new window. It is also recommended to brush the frame with wire and vacuum or wipe with a damp cloth. After the frame is dry it is time to order another piece of glass that is 1/8″ shorter in both directions than the existing window. Test-fit the glass into the grooves.

You’ll require a layer of silicone caulk to the grooves of your frames to ensure that your new glass is securely installed. After the silicone caulk has dried and cured, you can smooth it out and make any necessary adjustments. The wood molding will then be reinstalled.

Double-glazed windows may be difficult to open or close in the event of extreme weather. Extreme temperatures can cause the frames of double-glazed windows to expand or contract, causing them to become sagging and stick. If this is the case you could try wiping the frames down with water and lubricating the joints. However, it might be best to contact the company who installed your windows for assistance.


If moisture is trapped between the glass panes it can cause misted double glazing. Double glazing is comprised of two panes, which are separated by a gap filled with argon for greater thermal efficiency. This creates a airtight seal that keeps warm air inside and cold outside air out.

Over time however, this seal can break down and moisture will start to accumulate between the window panes, which causes them to turn misty. This happens because the sun’s rays heat the space between the panes of windows, causing water to evaporate.

This is a normal process however, if it occurs between the window panes, it could cause problems as it is no longer able to regulate the temperature of the room and will allow the outside temperature to influence the indoor temperature. If you notice your double-glazed windows have become misty, call in the experts at Northfield Glass to investigate.

We can replace a single sealed unit, without needing to replace the entire window. This is less disruptive than a complete replacement. Our misty window repair involves removing the glass unit, washing it, and then replacing it with a fresh one to create an watertight seal.

Some companies in the industry claim that they can inject chemicals through holes into windows with mist to remove the fog and condensation. We do not recommend this method. This is not only ugly, but it could also harm the toughened glass leaving you with a window which does not function properly.

If you don’t address the issue immediately it could result in mold, which could not only damage the window, but pose health risks to your family members. The condensation in the window could cause other issues within your home like damp or rot. In some cases, it may be necessary to replace the entire window.

Blown or Failed

Double-glazed windows are made up of two glass panes with an inert or air between them. This helps to improve their thermal efficiency, allowing heat in and cold out. As time passes the gas will be depressurized and cause various problems.

One of the most frequently encountered is condensation occurring between the panes. It is not a sign of a failure in the window sash repairs, but it could be a sign that you should replace the windows. Condensation can also be an indication of broken double glazing that will need to be replaced.

Double-glazed windows may also cause drafts. It could be due to an issue with the seal or a damaged handle or lock. A draught can be quite noticeable and will lead to higher heating costs Therefore, it is essential that you get this fixed sooner rather than later. You can test the seals by feeling around the edges of the window frame to see if you feel any cold air.

Another sign that your window seals are failing is when you begin to notice water beads on the inside of your windows. This is an indication that you have to seal your double-glazed windows.

Your window frames have been designed to move a bit in order to keep the glass sheets in position. However, over time this special packaging material can be compressed and cause the seal to break. This allows air to circulate between the panes, and decrease the energy efficiency of your window.

A blown seal is an obvious sign that your double glazing has failed and needs to be fixed immediately. A damaged seal can stop your double glazing performing its primary purpose that is to keep cold air out and warm air in. A damaged seal could let moisture in your home, which can lead to mold and other unpleasant conditions. It is recommended to contact a double glazing repair upvc window expert immediately if you spot a damaged seal on your double-glazed windows, as they can replace the whole unit.

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