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Why It's Important to Repair a Broken Window Seal The presence of condensation on windows that can't be removed is a sign that the seal on your window is damaged. It also affects the insulation capacity of your home and could cause distortion of views through the glass panes. While defogging your windows can temporarily solve the problem, a permanent solution involves replacing the insulated glass unit (IGU). This is best handled by a professional window manufacturer to ensure that the replacement is done properly. Expansion & Contraction Seals in dual-pane windows may be damaged in time due to the expansion and contraction of spacers that separate the glass. This is due to the temperature cycles that occur throughout the day. As the glass expands as the sun heats it the seal is placed under pressure. As the glass cools and the window seal shrinks, it expands. These constant expansions and contractions could cause cracks in the seal of the window. This allows humidity to get in the glass, causing fog to form between the panes. This break in the seal permits inert gases, such as argon, which get trapped between window panes, to escape. This decreases the insulation properties of the window. Other indications of a damaged window seal are visible staining or mold on the edges of a double-paned window. You might be noticing a rise in your energy bill or feel drafts around the windows. As the process progresses windows can be pulled away or shift from the wall. This is a sign you should replace the window seal. Replacing the seals on windows with dual panes is a fairly complex and labor-intensive task that typically requires removing both the old seal as well as the new one, and then cleaning both of the windows and then replacing the IGU. Although it is possible to complete the IGU replacement yourself however, hiring a professional is highly recommended. Incorrect decisions during this process could cause drafts, water damage, pest infestation and even more costly repairs later. A professional will also assist you in determining the best repair solution for your specific situation and can provide guidance on a long-term plan to ensure that your window is sealed correctly. It could be a temporary fix such as caulking between the window frame, and the wall, to prevent the entry of water and bugs into the home. It could also mean replacing the entire IGU with a brand new one that is more durable against weather conditions and damage to the seal. You can also install the window using a different IGU with an improved seal or more suited to the climate of your home. Weather Conditions While window seals are designed to withstand harsh weather conditions, constant exposure to the elements can eventually cause them to fail. Extreme temperature fluctuations can cause the glass within the window to expand and shrink. This causes pressure on the seal over time. This is especially true for homes located in climates which experience hot summers as well as frigid winters. Window seals can also be subject to damage due to high humidity, storms and other environmental conditions. Wind, in particular, can be particularly tough on windows, causing them to move or become loose over time. When this happens air can get infiltrated between the glass panes in an insulating window, which can cause fogging or condensation. While fogging isn't an immediate danger, it can detract from the appearance of your windows and make them difficult to view through. The humidity and water can cause window seals' to wear away by causing rot on the frame or causing mold growth. If you're experiencing these issues, it is likely that the window seals need to be replaced. Another sign that window seals are starting to fail is the increase in energy bills. If your window seals have been damaged the cooling and heating systems will have to perform more efficiently to keep your family and you at ease. replacement double glazed sealed units could cause higher utility bills. It could also be getting more difficult to close or open your windows. This could be a sign that the window seal has become stiff and prevents it from properly opening and closing. It is important to get this problem fixed before it becomes a major issue and your windows will not be as efficient in energy as they ought to be. You can prolong the lifespan of your window seals by observing the instructions provided by the manufacturer for maintenance. It is crucial to clean them regularly with mild detergents or other approved cleaning agents and keep them free of dirt and other debris. Avoid using heat gun and chemical strippers to clean your windows. They can easily degrade the sealant. Damage Contrary to single-pane windows from the past, modern double- and triple-pane windows have glass panes separated by air space, and then completely sealed around the edges to keep humidity out. Often, the spaces between the glass panes are filled with an inert gas such as argon or krypton in order to limit the transfer of cold or heat out the window. These kinds of windows are also referred to as IGUs, or insulated glass units (IGUs). If you notice condensation or other signs of broken window seals, it's recommended to contact a professional to assess the situation and determine the right method of action. Ignoring this problem will only make it worse and will result in higher energy bills and an impact on the comfort of your home. The most cost-effective solution is to replace only the IGU and retain the existing frame. This is especially beneficial in the event that your current frame is in good condition and has an higher R rating than your original windows. You can keep the majority of insulation efficiency. If the frame is in a poor state or has a long-lasting issue and is causing damages to its exterior, a full window replacement may be your most effective option for optimal energy efficiency and security. This kind repair can be accomplished quickly and easily by a professional, enhancing the appearance of your house while making sure that the window's insulation properties are restored. If your window is under warranty, the manufacturer or installer might be willing to repair or replace the damaged IGU for free. If you are unsure, check the paperwork for your window or contact the installer to find out if it is possible. Installation Window seals play a vital function in keeping drafts out and ensuring energy efficiency in your home. It is not only vital to repair a damaged seal as soon as you notice it, but also to conduct preventative maintenance to avoid any future problems. Window maintenance is a continual process that involves checking for gaps, cracks and re-caulking when needed and cleaning. It's recommended that you re-caulk the windows' edges every year to limit how much humidity and temperature affect the seals on your windows. This is particularly important for older homes whose foundations have shifted since the first installation. Regular window maintenance can assist in identifying any problems before they become a problem. This lets you plan a repair with a professional your windows as required. If you notice condensation between the windows, it could be a sign that your glass and frame is not sealed properly. This can lead to poor air quality indoors. Additionally, if you hear a sound of tapping when you push on your window it's a sign the window is damaged and in need of repair. A window seal can also break in the event that the frame of the window is damaged. This can happen when your kids or pets accidentally strike the window with a broom, or if harsh cleaning substances like paint strippers are sprayed too close to the windows. This can also happen if you have aluminum frames that are installed on your windows, which don't provide as much insulation as fiberglass or wood. A broken seal is best repaired or replaced if your windows are still covered under warranty. This will not only ensure your window is repaired or replaced quickly but could also give you the chance to upgrade to a more energy efficient frame material, like wood or fiberglass. In the case of an insulated glass unit (IGU) that has broken and requires professional help to repair it is usually your most cost-effective and long-term solution. It's important to note, however, that many modern windows come with removable IGUs that contain the gas that insulates that allows you to replace just the glass unit rather than the entire window and frame.