If your windows require repair, it's important to work carefully. Wear safety glasses and gloves to shield yourself from glass fragments.
Covering the crack with a plastic sheet over the crack is a quick fix for a cracked window. This will prevent rain, snow and insects from getting into your home.
Glass that has cracked
Cracked glass can make your home look less appealing and allow drafts to get in. If the cracks were caused by an collision (like a baseball or soccer ball) or are a result of stress, for example an abrupt temperature change, it's important to get them fixed as quickly as possible to prevent further damage and ensure that your windows are working effectively.
Use clear tape to cover your cracked window, even if it's not broken. This is a quick, low-cost 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 larger or has become extensive, it is best to consult with a professional. A professional glazier can determine the root of the crack and recommend the most effective repair procedure.
Impact cracks are the most common window cracks. They usually occur when a sharp object strikes your window with enough force that it cracks. These cracks usually display a starburst of lines and broken pieces. They can be dangerous when they break loose. This crack can compromise the gas in the panes of your double-pane window and decrease its energy efficiency.
Stress cracks are another type of crack that develops because of extreme temperature fluctuations and other environmental factors. These cracks begin around the edges of your window, and eventually enlarge into full-blown breaks.
A pressure crack is a much more serious crack but it is still able to be fixed. It is a curvy, straight line that can stretch across the window on one or more sides. It is caused by high or low pressure that causes the glass to expand or contract.
There are other products that can be used to repair cracks in glass when you're willing to go beyond nail varnish and tape. Glass Repair Film, while more expensive, will give your windows more protection and durability. If you'd prefer to DIY, epoxy is an adhesive that can be used to repair cracks and prevent further damage. It can make your window appear as if it never had any cracks in it at all.

Leaking Windows
If you notice a damp area under your window or the wood around it appears weak or rotting, it might be time to repair your windows. Excessive moisture creates an ideal environment for mold and mildew which can create a range of problems for your home. They can reduce the quality of indoor air, lead to sagging of drywall and worsen allergy symptoms. If left unchecked, they can cause structural damage to your house.
If the water is coming in from outside or is visible through the frame it's best to get an expert to assist you with the repairs immediately. Leaking windows are one of the main causes of structural damage and mold and should not be left untreated.
In many cases, a thin caulking layer is all you need to stop leaks. Before applying the caulking, you'll need to clean the area and take off any caulking that is in place.
You'll also have to inspect the weep holes in the frame to make sure they're not blocked by debris. These holes are designed to remove rainwater, but they could become clogged over time by insect carcasses or other debris.
If you have double-paned windows, you'll also need to examine the seal between the glass and the frame. This helps to keep a gas barrier between the panes, making windows more energy efficient. As time passes, the seal can be worn out and allow water into your home.
Water stains on ceiling and walls are another indicator of leaks. The drywall will turn discolored once it is saturated with water. Peeling paint is another indication of water altering the adhesive properties of the paint and pulling it from the wall.
Faux Muntins Mullions
In the past muntins (or glazing bars, as they are referred to in the UK) separated and held the panes of classic multi-paned windows. After WWII, larger expanses glass with tempered were made available. They're mainly used as a decorative element in some older homes.
repair my windows and doors of rain or wind can harm one support or a small group, leaving an opening in the window. The good thing is that you are able to repair the majority of these decaying or brittle parts.
First, clean the affected areas using a cloth and an ammonia-based cleaner that doesn't leave a traces. Then, remove any loose or rotting parts and use an exacta-knife reduce the intersections between horizontal and vertical painted window muntins. After you've cut the intersections, tape off the lower part of the window frame using painter's tape. Apply a thick layer of white paint to the areas that you lightly painted in the first stroke. Let the paint dry completely before taking off the tape and applying a second coat.
If the issue is more serious like an hourglass-shaped fracture in the middle of the window, it's better to replace the sash. In these cases it's crucial to find an alternative window that is in line with both the style and size of the current one.
For a less expensive alternative you can also put in an attached grid window. These windows come with a complete pane of glass, with the muntins being that are glued to the surface creating a divided look. These windows are not as energy-efficient as traditional ones.
Installing a drip cap can stop water from entering the window frame. Most home centers sell these aluminum drip cap options for around $20. They are much simpler to install than replacement window sashes, and offer the same function as a real mullion or a muntin.
Broken Sashes Frames
A damaged window sash is an obvious indication that it's time to get some help. A damaged sash, left unchecked can cause water leaks, wood rot and other serious issues to the frame and sill. If you have a damaged sash, replace it right away to ensure that the window is sealed.
The problem is often caused by worn-out or poorly installed cords. It is easy to replace these cords on the majority of double-hung window models. First, you'll need to take off the tabs of metal that hold the sash. Press upwards on the opposite side of the sash (it isn't important which side) and then pull towards the opposite side in order to pull it out. You'll want to carefully remove the strip that divides the sash from the other so you can access the area where the sash cords reside.
It is important to examine the metal tabs of the old sash with the new one. If they're different it can be difficult to place the new one into its slot and impact how the sash functions. Fortunately, this issue can be corrected by simply placing tabs in their proper positions on the new window.
In addition to the sashes, you'll have to examine the frame of your window for problems or rot. It's a good idea to do on a regular basis, as wood will shrink and wear down as time passes. You should fix any visible damage as quickly as you can to avoid a larger problem.
If your window frames have begun to deteriorate they can be treated with a homemade preserver created of half mineral spirits and boiled linseed. After the treatment has dried, you can restore your frames using high-quality latex paint. A fresh coat of paint will also protect your window against the elements.