Notes

Why Glazing Repairs Is Still Relevant In 2023
Glazing Repairs

The correct repair of your glazing can increase the value of your home. This will also improve the effectiveness of your windows or doors.

It can be tricky to know whether the issue you're experiencing requires professional attention. Here are some of most frequent problems that must be addressed:

Seals that are damaged

Window seals are an important element of your glazing system. They protect windows, insulate them and seal them against 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 moment. There are many options for repairs depending on your budget and timeline.

One of the most common indicators that the window seals in your home are failing is the presence of fog in your double pane insulated glass unit (IGU). Foggy windows can be caused by the seal being damaged between two glass panes of your IGU. This allows moisture to seep through, causing condensation. Steamers can be used to defog the windows or apply window putty. However, it is recommended to get your window seals repaired by a professional.

A failing seal can also cause your windows' insulation value to decrease. The space between the two glass panes is filled with an inert gas, like xenon and argon which helps the IGU to resist heat transfer and keep the heat inside the home. The IGU's insulating benefits will be lost in the event that the window seal is damaged. Your costs for energy will also increase.

Gaskets made of rubber begin to degrade over time due to exposure and aging. Degradation can be accelerated due to improper care, or environmental factors like UV radiation. This can cause mold and mildew if not dealt with. This could eat away at the frame and sash of your IGU, destroying the appearance and weakening insulation.

Avoiding common mistakes and performing regular maintenance is the best way to stop window seals from breaking down. Avoid using a high-pressure washer to clean windows since it can cause damage to the seal. Also, don't add a reflective window film to your insulated glass, as it could void the warranty and damage the sealant material. Be cautious when using chemicals such as paint strippers, as they can cause damage to the sealant and cause it to fail.

Broken Glass

Broken glass is a common problem that requires immediate attention. A cracked pane of glass within a window could fall and cause further windows to break or create a draft, or even allow water or insects into your home. A broken pane of glass can pose danger to anyone who comes into contact with it. This includes pets and children. Glass that has been broken is not just a risk to safety but can be a challenge to remove and can cause further damage to frames and sash as well as adjacent surfaces.

The first thing to do when a windowpane is damaged is to seal it up with a cross patch of duct tap to prevent further shattering. This will keep insects, rain and debris out of the house until you can replace your glass. This method is particularly crucial for windows that are higher up.

Then, be sure to take precautions by wearing protective eyewear and gloves that are cut-resistant. Using a putty knife or pliers, pry out old glazing points, the tiny fasteners that fix glass into the frame's recesses. Once the glass is removed, wash the entire area to prepare it for a new window.

After measuring the window's opening, it's important to make sure that the replacement is the exact size. Most glaziers stock standard-sized panes ready to insert however if you're looking for energy-efficient or safety glass it will likely need to be made specifically for the frame. To avoid any mistakes make sure you measure the opening of your window and subtract approximately 1/8 to 1/4 inch for the new pane.

Once you're ready to put in your new glass, be sure to put it in the frame. Check that it fits flush with the rabbets. A new glass pane that's too large could cause clouding and swelling of the wood surrounding it, whereas one that's too small can fall off the frame and let drafts in your home.

After the new pane has been secured, you can roll another cord of glaziers compound around the perimeter to secure the glass to the frame and the sash. Smooth the compound using your fingers to ensure that it's even around the new pane. Once the compound is dry paint it on the frame to match your window.

Structural Problems

The strength and structural integrity of curtain wall and framing systems are essential for the safety, compliance and performance of glazed surfaces. During an inspection, the professional will inspect anchors, fasteners, and supports to see if they are corroded, degraded or misaligned. He or she will also check the gaskets and sealants made of rubber to make sure they have been properly installed and aren't leaky.

Rusted frames and sagging walls are structural issues that must be addressed. These issues can be risky and could cause severe damage in the future. It is crucial to address any structural problems as soon as you can so that you avoid costly repairs in the future.

Curtain wall systems require extensive structural support in order to withstand wind loads, and other strains. The intrusion of water by these components could be costly and destructive. The root causes of these failures are due to poor construction, design errors and inadequate installation.

Another problem that is frequently encountered is warping, which could cause deformed or distorted glass panels that can affect the appearance of the system, energy efficiency, and safety. A glazing inspector will search for warping and recommend repairs if required.

The first step of a glazing inspection is to make sure that the area of work is free of obstructions and that the workers are wearing the appropriate safety equipment. Hard hats, gloves, and high-visibility vests form part of the safety equipment. You can also utilize a ladder and harness to reach higher or harder-to-reach places.

For wood-framed windows, common repairs involve a lack of or damaged hardware. Two-part epoxy can be used to repair minor cracks on windows made of wood, however severely damaged or rotten wood is best replaced. Sliding double glazing near me that are stuck in their tracks can be cleared by sanding them before applying graphite grease. More difficult problems, such as replacing sliding mechanisms and the major frame or sash components are typically left to aluminum window manufacturers.

Replacing an existing curtain wall system typically involves an upfront cost that is higher than rehabilitation measures, but the energy savings and enhanced occupant comfort may eventually recoup the initial investment. A replacement system may help bring an existing structure in line with the more stringent requirements of building codes for insulation of glass and wind resistance to load.

Sash Issues

Visual inspections can help diagnose and fix a variety of problems with sash windows. Things like rotting timber, damage to paintwork and broken glass can all be detected by a professional window assessment and ensure that the window is in good shape to be used in the future. The most frequent issues can be fixed easily and don't require replacement.

Problems such as a sash that doesn't close or open can be annoying and affect the energy efficiency of your home. Windows can also be risky if they suddenly snap closed. This can cause injuries, property damage, and the loss of heat or air conditioning.

Sliding sash windows need regular maintenance to ensure they look good and operating properly. Cleaning your sash window and spraying a lubricant can make them easier to open and close. If the issue persists it could be because the balances aren't functioning correctly or that something is wrong with the sash.

Over time, wooden window sashes can absorb moisture and be affected by changes in humidity levels. They can expand and shrink, which could cause them to become stuck or jammed within the frame. This can be prevented by maintaining an airtight seal around the wood, and by applying a sash paint or sealer to shield against moisture.

Other sash problems that could occur are a damaged sash lock cord displacement, nail jamming which all make windows for sash difficult to open and close. These issues can usually be resolved by carpenters who can take off the sash, repair or replace any damaged components, and then re-cord 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 shape to safeguard the glass from water infiltration and rot that may occur when the paint begins to peel and crack. Re-leading stained glass is an additional method to prevent it from leaking into surrounding wood and causing decay.

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