5 Things Everyone Gets Wrong In Regards To Double Glazed Window Repair

7 min read

Double Glazed Window Repair

Double glazing is an excellent investment in energy efficiency. It helps prevent heat loss during the winter months and helps keep your home cool in the summer. Restoring your double-glazed windows as necessary is a great way to ensure they are in good condition.

Over time condensation and misting may be detrimental to your double-glazed windows. This can cause your double-glazed windows to be difficult to open or close.

Broken Panes

A stray baseball, a flying pebble from your lawnmowers, or even a storm that is heavy could break the double panes of your windows, leaving your home exposed to the elements. Although a cracked glass window isn’t easy to fix but it doesn’t have to be replaced. In fact the insulated glass that is between the two panes is in good shape, and you can fix your double-pane window with some DIY effort.

To begin, you’ll need to remove the broken glass from the frame. You’ll need to be careful to keep glass shards from falling to the floor or falling from the frame. Wear work gloves to protect you hands, and a rag to cover the broken glass to avoid any further injury or cuts. After you have removed the broken glass clean the frame of the window thoroughly to get rid of any sealant or debris. Sand rough areas of the frame to create a smooth and even surface to put in your new glass.

After cleaning the frame, you can apply another layer of glass to the area where you removed the broken pane. This is the most effective method to seal and protect your window. It will also reduce your energy bills by preventing water and drafts from entering the home. Next, you will need to choose your glazing material. There are several options, including clear tape that is more durable than regular tape, and can prevent further cracking of your window or glazing film that is similar to clear plastic wrap. This choice has the benefit that it can be painted to match your frame, and will also block out the elements like ice and rain.

No matter what material you use, it’s important to press the glazier’s points into the seam where the putty meets your frame. These will hold the glass in place and aid in adhering to the frame. You can find glazier’s points in hardware stores, and are available in pre-made ropes that you simply roll out onto the frame rabbets.


Double glazing is susceptible to condensation issues and if you encounter this issue, it is best to contact the company that provided the window. There are warranties and guarantees that cover the issues. Fogging or condensation between the windows’ panes is a sign that your seals are damaged. Only an expert can fix this issue by replacing both panes.

The process is difficult and requires the use of special tools to take off the old pane and then install the new one, but it can be accomplished by an expert who will provide the required equipment. It is best to leave the work to a professional. These tools could be dangerous.

If you do decide to do it yourself, make sure you wear gloves and safety glasses to protect yourself from any broken glass pieces that might fly away during the process. It is also important to remove all the putty and metal glazing points from the grooves in which the new window will go. It is also recommended to brush the frame with wire, and then vacuum or wipe with a damp cloth. After the frame is dry and clean then you’ll need order a piece of replacement glass that is 1/8 inch smaller in each direction than your window that you have and then fit it into the grooves.

You will require a layer of silicone caulk into the grooves of your frames to ensure that the glass you are installing is secure in its installation. After the silicone caulk has dried you can smooth it out and make any necessary adjustments. The wood molding can then be put back in place.

Double-glazed windows may be difficult to open or close when the weather is extremely changing. Extreme temperatures can cause the frames to expand or shrink and, as a result, they can slide or become stuck. You can try wiping the frames with water and lubricating them in the event that this happens however it is better to seek help from the company that installed your windows.


If moisture is trapped between the glass panes, it can cause misty double glazing. Double glazing is made up of two panes that are separated by a gap filled with argon for better thermal efficiency. This creates an airtight seal that keeps warm room air inside and cold air outside which allows you to keep the temperature at a comfortable level in your home.

The seal may fail over time, and moisture can build up between the glass panes and cause them to become to become cloudy. This happens because the sun’s rays heat the space between the window panes, which causes the water to evaporate.

This is a normal occurrence however, if it occurs between the window panes, it can be a problem since it will no longer be able to control the temperature in the room and allow the outside temperature to influence the indoor double glazing Repair temperature. Northfield Glass can help you if your double-glazed windows start to fog.

We can repair the individual blow-sealed unit without having to replace the entire window, which is a lot less disruptive than a full replacement. Our misty glass upvc repair involves taking off and cleaning the unit of glass before replacing it with a new one. This creates a watertight seal again.

There are companies in the industry which claim to cut holes into your windows with mist and inject chemicals into them, which claim to eliminate fog & condensation but we do not recommend this method. This method isn’t just unsightly but could also damage the toughened glass, leaving you with a window which isn’t functioning properly.

If you don’t address the problem immediately it could result in mold, which could not only cause damage to the window, but also cause health risks for your family members. Moisture can cause other issues in your home, like dampness or rot. In some instances it is possible to replace the entire window.

Failed or blown

Modern double-glazed windows feature two glass panes that have an inert gas or air in between them. This increases their thermal efficiency by keeping heat in and cold out. As time passes the gas may be depressurized and cause many issues.

Condensation between the panes is one of the most common. While it is a natural occurrence and doesn’t mean that your window is damaged, it can be a sign that you need to seal your windows. Condensation may also be a sign that your double glazing is damaged and, in that case, it’s time to get it replaced completely.

Double-glazed windows may also cause draughts. It could be due to the seal being damaged or a damaged handle lock. A draught can be quite obvious and result in higher heating costs It is therefore essential to get it fixed sooner rather than later. You can test the seals by rubbing around the edges of the window frame to see whether you feel cold air.

There will also be water beads on the inside of windows if your window seals aren’t performing as they should. This is a clear indication that you should seal your double-glazed windows.

Your window frames have been designed to move slightly and this is essential to keep the glass sheets in their place. In time, this special packaging material could be compressed. This could cause the seal to be broken. This allows air to flow between the panes and reduce the efficiency of your window.

A damaged seal is an obvious sign that your double glazing has failed and needs to be fixed immediately. A blown seal will stop your double glazing from fulfilling its primary purpose that is to keep the cold out and warm air in. Additionally, a blown seal can let moisture in, which could cause mold and other uncomfortable conditions. It is important to contact a specialist in double glazing repair as soon as you notice a blown seal on your double-glazed windows, since they could replace the entire unit.

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