When It's Time to Repair Windows
It is essential to be cautious when repairing your windows. Wear safety glasses and gloves to protect yourself from glass fragments.
An easy fix for a broken window is to place a plastic covering over the crack. This will prevent rain, snow and insects from getting into the home.
Cracked Glass

Glass that is cracked can make your home look less appealing and let drafts to enter. If the cracks were caused by an collision (like a baseball or soccer ball) or are the result of stress, such as an abrupt temperature change it is crucial to have them fixed as soon as possible to prevent further damage and keep your windows operating effectively.
Use clear tape to cover your cracked window, even if it's not broken. This is a cheap and simple solution to protect your window from water, dust, bugs and other debris. It also shields your windows from the weather.
If the crack appears to be getting bigger or is large, it is recommended to speak with an expert. A skilled glazier can identify the root of the problem and suggest a suitable repair procedure.
A crack caused by an impact is the most common type of window break, usually resulting from a solid object hitting your window with enough force to break it. These cracks are typically with a starburst-like pattern of lines, and shattered pieces that can be risky if they break loose. The crack could affect the gas in the panes of your double-pane windows and reduce its energy efficiency.
Another type of crack is a stress crack which develops gradually as time passes, because of extreme temperature changes or other environmental factors. double glazing repair Golders Green start around the edges of your window, and eventually can develop into complete breaks.
A pressure crack is a much more serious crack, but it can still be fixed. It is a curvy, curved line that can extend across the window on one or more sides. It can be caused by high or low pressure which can cause the glass to expand or contract.
There are other products that can be used to repair cracks in glass if you're willing go beyond tape and nail varnish. A product such as Glass Repair Film is a bit more expensive but will provide more protection and longevity for your windows. If you'd rather take the DIY option epoxy is a durable adhesive that can fill cracks to stop further damage and make your window appear like it never had cracks in the first place!
Leaking Windows
If you notice a damp spot under your window, or you notice that the wood around it is brittle or rotting, it may be time to start a windows repair project. Excessive moisture creates an ideal environment for mold and mildew which can lead to a myriad of problems for your home. They can decrease indoor air quality, lead to sagging drywall, and can worsen allergy symptoms. If not checked, they could cause structural damage to your house.
If the water is coming from outside or is visible through the frame, it's a good idea to get a professional to help you repair the issue right away. Don't put off leaking windows. They are the most frequent cause of mold and structural damage.
In many cases, a thin caulking layer is all you need to stop the leaks. You'll need to carefully clean the area first, but you must also take off any caulking that is old before applying the new layer.
It is also important to examine the weep holes in the frame to ensure they're not blocked with debris. They are designed to drain excess rainwater, but they can get blocked by insect carcasses and other debris over time.
If windows are double-paned, you'll also need to examine the seal between the glass and the frame. This will help to maintain an airtight seal between the glass panes and make windows more efficient. As time passes the seal may get worn out and let water into your home.
Another indication of leaks is the appearance of water stains on ceiling and walls. They occur when the drywall is saturated with moisture which weakens the fibers, causing discoloration. There is also the possibility of peeling paint, which is a result of water destroying its adhesive properties and tearing away from the wall.
Faux Muntins & Mullions
In the past, muntins and mullions (or glazing bars in the UK) separated and held panes of glass in traditional multi-pane windows. After WWII, larger expanses tempered glass were available. They're mostly used as decorative elements in some older homes.
Rain or wind can cause damage to the support of a single piece or small group, leaving cracks in the window. Repairs can be made to the majority of these brittle or decaying parts.
First employ a rag to clean the affected areas. Make use of ammonia-based cleaning products that will not leave residue. Remove any loose or rotting pieces and trim the intersections of the painted vertical and horizontal window muntins with an exacta knife. After trimming the intersections then, use painter's masking tape to seal off the lower section of the window frame. Apply a thick coat of white paint to the areas that you lightly painted in the initial pass. Allow the paint to dry completely before taking off the tape and applying a new coat.
If the issue is more serious such as an hourglass-shaped fracture in the middle of the window, it's better to replace the sash. In these situations, it's important to find an alternative window that is in line with the design and size of the current one.
For a less expensive alternative you can install an attached grid window. These windows have a full pane of glass with the muntins being that are glued to the surface, giving them a divided look. They are not as energy-efficient as traditional ones.
If you're looking for a simple method to upgrade your windows, think about installing an additional drip cap to stop water from leaking around the window frame. Most home centers sell these aluminum drip cap options for about $20. They're much easier to install than an alternative window sash and come with the same function as a real muntin or mullion.
Broken Sashes & Frames
A damaged window sash should be a sign that you should contact a professional. If it's not checked, a damaged sash could cause wood rot, water leaks and more serious issues with the frame and sill. If you've got a damaged window sash, replace it as soon as you can to ensure that your window is properly sealed and operating.
The issue is usually caused by damaged or improperly installed cords. It's simple to replace these cords in the majority of double-hung window models. To begin, you'll need to dislodge the metal tabs that keep the sash in place. To do this, you need to push up on one side (it does not matter which side) of the sash then pull it towards the opposite side to take it from the window frame. It is important to remove the parting strip that separates the sash from the other side so that you can get to the area where the sash cords reside.
It is important to check the metal tabs on the old sash to the new one. If they're different it can be difficult to place the new one in its slot and could affect the way it operates. Fortunately, this issue can be rectified by placing tabs in the correct positions on the new window.
You'll have to examine your window frame, too to look for any signs of damage or rot. It's a good idea to do on a regular basis, as wood will shrink and break down over time. If you find any obvious damage, it should be addressed as soon as you can, to avoid the development of a larger issue.
If your window frames are deteriorating they can be treated using a homemade preserver made with half mineral spirits and boiling Linseed. After the treatment has dried for a total of two days, you are able to finish your frames with high-quality latex paint. A fresh coat of paint will also shield your window from the elements.