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5 Glazing Repairs Lessons From The Professionals
Glazing Repairs

The right repair of your window will increase the value of your home. This can also increase the efficiency of your window or doors.

It can be a challenge to know if the issue you encounter requires professional assistance for repair. Here are a few of the most common problems that require fixing:.

Seals that have been damaged

Window seals are an essential part of your glazing system that secure, insulate, and protect windows from outside air and moisture. They are designed to last for a long time however, the reality is that they may need repair or replacement at some point. There are several options for repair in accordance with your budget and timeline.

One of the most common signs that your window seals are failing is a fogging issue in your double pane IGU. (IGU). Foggy windows are caused by a broken seal between the two glass panes of your IGU which allows moisture to be absorbed, causing condensation. Steamers can be used to remove the fog from your windows or apply window putty. However, it is recommended to get your window seals repaired by a professional.

A leaky seal can cause your windows' insulation value to decrease. The space between your two panes is filled with an inert gas such as argon and xenon which assists the IGU in resisting thermal transfer and keep heat in the home. The IGU's insulation benefits will be lost in the event that the window seal is damaged. Your energy bills will also increase.

Gaskets made of rubber begin to degrade over time due to exposure and age. Degradation can be accelerated through poor care or environmental factors like UV radiation. If not addressed, this may cause water intrusion into the building envelope resulting in mold and mildew. double glazing could eat away at the frame and sash on your IGU and ruin the appearance and weakening insulation.

Avoiding common blunders and performing regular maintenance is the best way to avoid window seals breaking down. For instance, you should avoid using high-pressure washers to clean your windows because it could be able to penetrate the sash, and damage the seal. Do not add a reflective film to your window with insulation since this could invalidate the warranty and damage the sealant. Be cautious when using chemicals like paint strippers because they can damage sealant and cause failure.

Broken Glass

Broken glass is an obvious issue that requires immediate attention. A broken pane in a window can fall and cause other windows to break or cause drafts, or allow water or insects into your home. A glass pane that is broken can also be dangerous for anyone who comes in contact with it, including pets or children. In addition to being a safety risk, shattered glass can be difficult to remove and could cause additional damage to frames, sash, and other surfaces.

The first thing to do when a window is damaged is to wrap it up with a cross-pattern of duct tap to prevent further shattering. This will keep bugs, rain and debris out of the house until you can replace your glass. This method is especially important for upper-story windows.

Wear thick, durable gloves. Also, wear eye protection. Using a putty knife or pliers, pry out old glazing points, the tiny fasteners that pin glass into the frame's recesses. Once the glass has been removed, wash the areas around it to prepare for the new replacement window.

After measuring the window's opening, it is important to make sure that the replacement is the exact size. Most glaziers will have standard-sized panes, but if energy-efficient glass or safety glass is required, it may need to be cut to fit your frame. To avoid making mistakes take a measurement of your window's opening and subtract 1/8 to 1/4 inches from the new pane.

When you're ready to put in your glass, take care to put it in the frame. Make sure that it's in a straight line with the rabbets. A glass pane that is too big could cause the wood to expand and a pane that's too small may be thrown out of the frame or let drafts in.

Once you've confirmed that the new pane is secured, roll another cord of compound for glaziers' around the edges of the glass to secure it to the frame and sash. Smooth the compound with your fingers to ensure that it's level with the new pane. Once dry, paint the newly glazed frame and compound to match the rest of your window.

Structural Issues

The structural integrity of curtain wall frames and systems is essential to the safety and performance of the glazed surfaces. During an inspection, a professional will examine anchors, fasteners and supports to determine if they are corroded, deteriorated, or misaligned. The inspector also examines the sealants and gaskets to make sure that they're installed correctly and aren't leaky.


The structural issues that must be addressed include rusted frames as well as sagging walls. These issues can be risky and could cause severe damage in the future. It is important to fix any structural issues as quickly as you can to avoid costly repairs down the road.

Curtain wall systems require extensive structural support in order to withstand wind loads and other stresses. The intrusion of water by these components could be costly and destructive. The main causes for these failures include poor construction, design errors and poor installation.

Another issue that is common is warping, which could result in deformed or distorted glass panels that can affect the appearance of the system, energy efficiency, and security. A glazing inspector will look for warping and recommend repair measures if necessary.

Glazing inspections should begin by making sure the area of work is free of obstructions, and that all workers are wearing appropriate safety gear. Hard hats, gloves, and high-visibility vests form part of the safety equipment. It is also an excellent idea to wear a harness and ladder for accessing higher or harder-to-reach areas.

For windows made of wood, the most common repairs involve loose or missing hardware. Two-part epoxy can be used to repair minor cracks in windows made of wood, however severely damaged or rotten wood is best replaced. Sliding sashes that are stuck in their tracks can be cleared by sanding them, then applying graphite grease. Aluminum window companies are usually the ones to tackle more difficult problems, such as replacing sliding mechanisms or the major frame or sash parts.

Replacing a curtain wall system usually involves the cost of installation is much higher than rehabilitation, however the energy savings and increased quality of life for the occupants may eventually cover the initial investment. Additionally, a replacement system could help bring the current structure into compliance to more stringent building code requirements for insulated glazing and wind load resistance.

Sash Issues

Visual inspections can help diagnose and fix a variety of problems with sash windows. A professional window assessment will reveal things like wood that is rotting and paintwork damage as well as broken glass, assuring that the window is in good condition for its future use. Most of the problems that arise can be easily fixed and do not need replacement.

Issues like the sash not closing or open can be a nuisance and can affect the efficiency of your home. Your windows could also be dangerous if they suddenly slam closed. This can cause injuries, property damage and even a loss of heat or air conditioning.

Regular maintenance is necessary to keep sliding sash windows looking nice and working well. Cleaning your sash window and spraying it with lubricant could make it easier to open and close. However, if the issue persists it could be a sign that the balances aren't working properly or there's something wrong with the sash itself.

Over time the wooden windowsashes absorb moisture and are affected by changes in levels of humidity. This causes them to expand and shrink, which could cause them to become stuck or clogged within the frame. This can be avoided by keeping a tight seal around the wood, and by applying a sash paint or sealer to shield against moisture.

Other sash issues that may occur are a damaged the sash lock, cord displacement and nail jamming, which can make windows more difficult to open and close. A carpenter can solve these issues by removing the sash and replacing or repairing any damaged parts, and then reconnecting them.

It is possible to re-stain stained glass windows in order to restore their original appearance. It is essential to keep them in good condition to prevent water ingress and rot as well as other problems that can occur when the paint begins to peel and crack. Stained glass can also be re-leaded to prevent it from leaking water into surrounding timber, causing wood decay.

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