14 Misconceptions Common To Double Glazed Window Repair

DWQA QuestionsCategory: Questions14 Misconceptions Common To Double Glazed Window Repair
Erika Fournier asked 3 weeks ago

Double Glazed Window Repair

Double glazing is an excellent energy efficient investment that stops loss of heat in winter months and helps keep your home cool in the summer. Repairing your double-glazed windows when necessary is a great way to ensure they remain in good working order.

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 and close.

Broken Panes

A stray baseball or a stray pebble from your lawnmowers, or even a heavy storm can break the double panes of your windows and expose your home to the elements. Even though a glass window that has been damaged is difficult to repair but it doesn’t have to be replaced. In fact the insulated glass between the two panes remains in good shape and you can fix your double-pane window using a little DIY effort.

To begin, you’ll need to remove the broken glass from the frame. This will be messy work and you’ll need to be cautious to prevent glass shards from falling onto the floor or falling out of the frame. Use work gloves to protect you hands, and an abrasive cloth around the damaged glass to avoid further cuts or damage. After you have removed the broken glass clean the frame of the window thoroughly, removing any sealant or other debris. Sand rough areas of the upvc window repairs frame to create a smooth surface on which to put in your new glass.

After cleaning the frame, you can apply another layer of glass to the seam where you removed the broken pane. This is the best way to seal and protect your window. It can also save you energy costs by preventing drafts and water from entering your home. The next step is to choose the material for your glazing. There are several options available, including clear tape which is more robust than regular tape and will help keep your window secure from further cracking, as well as glazing film that is similar to clear plastic wrap. The benefit of this option is that it can be painted over to match your existing frame and will also keep snow and rain out as well.

Whatever the material you select, it is important to press glazier’s facets into the place where the putty joins the frame. These will hold the newly-formed glass in place and near me help it stick to the frame. Hardware stores sell glazier’s ropes, which you can roll out on the frame rabbets.


Double glazing can be prone to condensation issues. If you experience this issue, double Glazing it is best to call the company that installed the window. Many have warranties and guarantees to cover these issues. Fogging or condensation on the windows’ panes is a sign that the seals are damaged. Only an expert can fix this problem by replacing both panes.

This procedure is a bit difficult and requires special tools to take off the old pane and install the new one, however it can be done by an expert who will supply the necessary equipment. Using these tools can be risky, so it is always best to leave this type task to an expert.

Wear safety glasses and gloves if you decide to do it yourself. You could be exposed to glass fragments flying around. It is also crucial to carefully remove all putty and metal glazing points from the grooves that the new window will go. Wire-brushing the frame or vacuuming it with a damp cloth are also recommended. After the frame is dry and clean, you will need to 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 in the grooves.

Based on the frames you have, you will then need to apply the caulk to the grooves to ensure that your new pane is secured in place. After the silicone caulk is dried and cured, you can smooth it out and make any necessary adjustments. Then the wood molding can be reinstalled.

Double-glazed windows can be difficult to open and close if the weather changes dramatically. Extreme temperatures can cause the frames to shrink or expand and cause them to fall or stick. Try wiping the frames with water and lubricating them when this happens however, it’s better to seek help from the company who installed your windows.


If moisture is trapped between the glass panes it can cause misty double glazing. Double glazing is comprised of two panes which are separated by a space that is filled with argon to improve thermal efficiency. This creates an airtight sealing that keeps warm indoor air inside, and cold air outside.

The seal may be damaged over time, and moisture can build up between the glass panes which can cause them to turn to appear misty. This happens because the space between the panes gets heated by the sun, which causes water vapour to form in it.

This is a normal thing to happen but if it happens between the window panes it can cause a problem as it can no longer regulate the temperature of the room and allow the outside temperature to influence the indoor temperature. Northfield Glass can help you in the event that your double-glazed windows begin to mist.

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

There are companies within the field who claim to drill holes in your existing misted windows and inject chemicals into them that they claim will eliminate the condensation and double glazing fog but we don’t recommend this method. This method is not only ugly, but it can also harm the toughened glass and can result in windows that do not completely perform its function.

It is essential to address the issue as quickly as you can, as if untreated, it can lead to mould growth which can not only damage the window but also poses health risks for your family. Moisture in the window can cause other problems in your home such as damp or rot. In some cases windows, they may have to be completely replaced.

Failed or Blown

Double-glazed windows are made up of two panes of glass with an inert or air between them. This improves their thermal efficiency by keeping heat in and cold out. As time passes, the gas can become depressurised, leading to a number of issues.

Condensation in between the panes is among the most frequent. It’s not an indication of a window failing, but it could be a sign you should replace them. Condensation may be a sign your double glazing has failed, in which case it should be replaced completely.

Double-glazed windows can also cause draughts. It could be due to a failed seal, a broken handle, or a broken lock. It is important to fix the issue as quickly as you can. A draught will cause you to pay more for heating. Check the seals around the window frame by smelling cold air.

Another sign that your window seals are failing is when you start to notice water beading on the inside of your windows. This is an indication that you need to reseal the double glazed windows.

The window frames you have purchased were designed to move a bit in order to keep the glass sheets in position. In time, this special packaging material may be compressed. This will cause the seal to be broken. This allows air to circulate between the panes and reduce the energy efficiency of your window.

Double glazing that has blown a seal is an indication of a failure and should be repaired immediately. A blown seal stops your double glazing from performing its primary purpose that is to keep the cold out and warm air in. A damaged seal could let moisture into your home, which could cause mold and other unpleasant conditions. Contact a double-glazing specialist immediately you notice a blown window seal. They can repair or replace the entire unit.