Can Double Glazed Windows Be Repaired?

If you have recently had double glazing installed in your home and they're beginning to show signs of failure, you may be wondering if they are able to be fixed.

You may be able get your double glazing repaired under warranty depending on the problem and the date you purchased it.

Broken Panes

If a window's glass is cracked or broken, air can pass through more easily. This can reduce the effectiveness of the window as an insulation barrier and also against the elements. Depending on the time of year it can allow hot or cold air to enter or escape your home, causing an increase in the cost of cooling and heating.

If the crack isn't too deep, you may be able to apply an adhesive tape with strong-hold. This is a temporary solution, though, and it will only stop the crack from becoming worse. To ensure the best results, a reputable window repair service is required to fix any damaged glass that is present in double-glazed windows.

Removing a damaged window pane yourself can be tricky and dangerous. If the crack is too large to grasp then try pressing strips of masking tape across it in a crisscross pattern before trying to take it off. If the crack isn't too large to be able to keep it in place and window sash repairs use a razor blade to remove it from the frame. Make sure to wear gloves and a mask when cutting glass. After removing the glass, place it flat onto many layers of newspaper to catch any fragments that may fall.

To install a new glass pane, you'll need to purchase replacement glass and set up the frame. Measure the opening of the frame and subtract 1/16 - 1/8 inch in both directions to ensure that the new pane will fit properly. Then have your replacement glass cut according to this measurement at your local glass shop or at a hardware store. If you have wood frames, you can purchase points for glaziers from hardware stores to put around the edges of your new pane. The points should be placed in a manner that they allow expansion and contraction while keeping the putty flush with the glass.

Spread a thick layer of it with the blade of a putty maker after your new pane has been installed. Make use of a linseed-oil-based glue like Sarco or a less expensive product like Dap glazing compound. Fill any gaps between the frame and the new pane with your chosen compound. Smooth the compound on your new pane to make sure it is even and level.

Water Leaks

The presence of water leaks around the frame or sash is a frequent problem that occurs when window sealant has become degraded and requires replacement. Water leaks around the window could damage the plaster or drywall and cause damp walls.