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Quiz: How Much Do You Know About Window Repairs?
Window Repairs You Can Do at Home

A window is a gap in the wall or on the side of an object or vehicle that allows light and air to pass through. Cracked windows are a common issue that could be out of the realm of a DIY solution.

However, if the cracks are limited to one area and the glass is not broken, there are several quick fixes that will stop the problem from worsening.

Cracked Panes

A damaged window isn't just an eye sore, but it could also affect the efficiency of your home's energy usage and pose a safety hazard for pets or children. It can also lead to air infiltration and leaks. There are a variety of methods to repair cracked windows using at-home remedies and materials.

The easiest method of repairing cracks in your window is to use an unobtrusive silicone sealant such as Loctite Super Glue Glass. It creates a crystal clear bond, and is specially designed to work with glass. Make sure to clean the glass and surrounding frames before you apply it. Once the stop has dried you can put it back into the frame.

You can also use a plastic cover, like from a trash bag or tarp, to block out sun and wind. This will prevent the effects of cold and heat on your glass, which could cause it to expand or contract. This simple and inexpensive solution will protect the glass from further damage and will shield your home from rain, wind and other elements.

Another option is to apply epoxy to fill cracks in your windows. This is the longest-lasting but it is also extremely effective. Epoxy is a thermosetting material that will provide the strongest and most attractive finish. It is essential to clean the crack thoroughly prior to applying the epoxy and it may require a few tries to complete the task properly.

You can also replace the entire window pane when it's beyond repair. It's a difficult process, so you will need to carefully follow the directions to avoid further damage. Wade from HGTV suggests you begin by marking the cracked glass with painter's tap. The next step is to remove the trim or glazing putty that keeps the window in place. In certain instances, the window may have glazing points in place which you'll have to remove with a screwdriver. After the old pane has been removed, you can apply putty to the new pane and use glazing points.

Sticking Sashes

There are a few ways to fix a sash which is difficult to open or close. Use a utility or putty knife to cut through the paint that has sunk between the moving parts of sash and the frame. The blade should be put into the seam that is separating the sash from the stop, strip of separation or jamb. Then, work it around the edges. This will open the seal and allow you to move the window around freely.

If there's lots of paint, it might take a while to get through the entire mess Be patientit's crucial not to damage the mortise and tenon joints which connect the window. After you're finished cleaning and sanding the edges of the windows. This will get rid of any paint and swollen wood and allow the sash to slide effortlessly.

Another possibility is that the sash or parting strip or jamb are distorted and the window is able to be pushed against them and then stick. This is a more serious problem and might require expert assistance however it's worth a shot. Gently wiggle the sash back and forth and up and down. This will give you an idea of the issue. If the sash is stuck on one side, you may be able free it by loosening the rope that connects it to pulleys in the window frame and jamb. If the sash has become stuck on the other side, you may need to remove it completely and then reattach it.

If the sash has become stuck between the frames and jambs due to swelling excessively then use a screwdriver, or a wide putty knife to break the bond. Put the tool in between the sashes and the jambs and jiggle the tool back and forward. If you are unable to break the bond, you will probably need to hammer on the block of wood on the edges of the window to break it open. Use a block of wood to cushion your hammers to avoid damaging the sash. If the sash is loose, sand and clean it. Then, lubricate and reconnect the track.

Cracked Seals

Even though a window seal issue might not be as serious as cracks in the pane, it can still have a negative impact on the efficiency of your home. If the window seal isn't functioning properly, moisture can seep in between the glass panes, leading to condensation. This can cause distortion of your view, or even water damage. Window seals provide insulation from the outside temperature, thus reducing the amount of energy required to maintain a comfortable house temperature.

The most obvious sign of a broken window seal is the appearance of condensation that forms between the glass panes. This means that the argon and other gases that are insulating that were vacuum-sealed between glass panes have gone out, leaving a gap exposed to air outside. This can result in higher energy costs and also a decrease of your window's insulation value.

A lot of modern windows are double or triple-pane and contain a layer of air between the glass panes. This is known as an Insulated Glass Unit (IGU). Some IGUs come with an additional coating or glazing to improve their energy efficiency. The IGUs are then sealed together by a rubbery sealant that helps keep the humidity out and keep your home cool.

If your window has a damaged seal, you should get a professional to inspect it and choose the best solution. It might be possible to fix the crack by defrogging the IGU and resealing it depending on the extent. However, the best option is usually to replace the entire window if the IGU has cracked or otherwise compromised.

Inspect your windows regularly to detect any problems early and make necessary repairs. In addition, resealing the caulking and weather stripping is an excellent way to ensure the strength of your windows while reducing the energy cost. Also, painting your window frames a light hue can improve the window's ability to reflect the sun's heat making your home cooler in the summer.

double glazed window repairs is blocked by windows that are smudges and limit the amount of natural light coming into your home. They can also cause moisture to build up in the sill and frame, causing water staining, rot, mold and other issues. Fortunately, there are ways to deal with these issues that don't require replacement of windows.

A simple window defogging process will eliminate the condensation and give your windows a new appearance. This is only cosmetic and does not tackle the root cause of a seal failing. This is the reason you're experiencing water build-up the window seal has worn down which allows air and water to come in and out of your home through the glass.


Double-pane windows can be repaired that have seals that are broken, without having to replace them. Window companies can replace only the glass unit that is insulated (IGU) inside your window, leaving the fiberglass or wooden sash frame in place. This is typically a less expensive alternative to a complete window replacement and it can also be an ideal choice for homeowners who want to keep their original windows, particularly if they are still under warranty from the manufacturer.

If you have argon gas or krypton in between your glass panes, then it's a good idea to replace the IGU. These gases function as an insulator, assisting to maintain the internal temperature of your home by reducing the transfer of heat. When this gas used to insulate is gone, air flows through the window more quickly which makes your home uncomfortable and leading to higher energy costs.

If your foggy windows persist after you've tried IGU plus sash replacement, it could be time to replace the window. This will not only solve the fogging issue, but it will also restore the energy efficiency of your windows and provide your home with a cleaner overall appearance.

The final thing to consider is whether or not your home's windows are new enough to warrant a manufacturer's guarantee for failure of the window seal. A lot of double-paned windows of top quality come with warranties that last for up to 20 years. If your windows are beginning to show signs of failure, replacing them is more economical and more efficient option.

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