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Window Glass Replacement & Repair Guide

Window Glass Replacement & Repair Guide

Window Glass Replacement & Repair Guide

Windows play a pivotal role in the aesthetic, comfort, and energy efficiency of your home. They let in natural light, provide ventilation, and if properly maintained, contribute significantly to your home’s energy efficiency. However, over time, window glass can suffer from various issues such as cracks, leaks, or fogging, which necessitate either repair or replacement. So you can choose the replacement or repair of your window glass from us.

At ADV Shutters, we pride ourselves on being a leading provider of premium shutter solutions and services. Our commitment to excellence and innovation has positioned us as the go-to choice for both residential and commercial clients seeking unparalleled quality and craftsmanship. Our services encompass a wide range of options tailored to meet the diverse needs of our clients, including the design, installation, repair, and maintenance of shutters.

Identifying Window Glass Problems

Identifying issues with your window glass is crucial for maintaining the safety, efficiency, and aesthetic value of your home or commercial space. Recognizing these problems early on can prevent them from escalating into more significant concerns that may require extensive repairs or replacements. Here’s a guide to spotting common window glass problems, incorporating essential terminology such as double glazing, glazed windows, and more, to help you understand and address potential issues effectively.

  • Cracks or Chips in the Window Pane: One of the most obvious signs of window glass problems is the presence of cracks or chips. Even a small piece of broken glass can compromise the window’s integrity and thermal performance. It’s essential to address these issues promptly to prevent them from worsening.

  • Seal Failure in Double Glazing Units: Double-glazed windows are designed to offer improved insulation by trapping air between two panes of glass. However, if you notice condensation or fogging between the panes, it likely indicates a seal failure. This problem can lead to increased energy bills due to the window’s decreased insulating ability.

  • Drafts Around Glazed Windows: Feeling drafts coming from your windows can be a sign of sealant issues or gaps in the window frame, particularly in older types of windows. Drafty windows can significantly impact your home’s energy efficiency and comfort.

  • Difficulty Operating Windows: If your windows are challenging to open, close, or lock, it might be due to problems with the window’s mechanism or frame. Such operational difficulties can affect both the functionality and security of your windows.

  • Water Leakage: Water entering your home through or around your windows indicates a potential seal failure or deterioration over time. This issue can lead to water damage inside your property and should be addressed by professional window repair services.

  • Increased Noise Penetration: If outside noise is more noticeable than usual, your windows may not be sealing correctly, or the glass might be too thin. Upgrading to double glazing or a more suitable type of glass can enhance your home’s sound insulation.

  • Discoloration of Window Panes: Prolonged exposure to sunlight and environmental elements can cause window panes and frames to discolor or fade. While this issue is more aesthetic, it can detract from the visual appeal of your property.

How to Choose Between Repair and Replacement?

  • Evaluate the extent of damage: Minor issues like small cracks or chips might only require a simple repair, while significant damage often necessitates a full replacement.

  • Consider the age and efficiency of your windows: Older, single-glazed windows might benefit more from an upgrade to modern, energy-efficient models than from repairs.

  • Assess the cost implications: Compare the costs of repairing versus replacing your windows, keeping in mind that sometimes repair costs can approach or exceed those of replacement.

  • Energy efficiency considerations: New window technologies offer better insulation and can lead to substantial energy bill savings, making replacement a wise choice for outdated windows.

  • Seek professional consultation: A professional opinion can help you understand whether repair or replacement is the most cost-effective solution for your specific situation.

How to replace window DIY?

DIY window pane replacement can be cost-effective and offer immediate solutions, the risks of injury and potential for mistakes make it a task not suited for everyone. For complicated replacements, especially with specialized types of glass like double or triple glazed units, seeking competitive prices from professional glaziers or replacement services ensures a safe, efficient, and high-quality result. Emergency glaziers and emergency window repair services are also available for urgent situations, providing expert glazier support when you need it most.

Steps to follow for DIY replacement:
  • Preparation: Start by gathering all necessary tools, including safety gloves, goggles, a tape measure, putty knife, glass cutter, linseed oil putty, a new glass pane that matches the old one (consider laminated or toughened glass for durability), metal glazier’s points, a paintbrush, caulking gun, and window cleaner.


  • Remove the Broken Glass: Lay a tarp to catch shards, wear protective gear, and carefully remove large and small pieces of the broken window. Use a putty knife for stubborn shards.


  • Clear Old Putty and Prep the Frame: Scrape out all the old putty with your putty knife. If needed, use a heat gun to soften hard-to-remove putty. Clean the frame with a wire brush and damp cloth, then repair any damages with wood filler and sandpaper.


  • Measure and Cut New Glass: Measure the frame’s height, width, and depth. Subtract a few millimetres from each dimension to ensure a perfect fit. Purchase replacement glass cut to these dimensions. If cutting yourself, ensure accuracy and safety.


  • Install the New Pane: Apply a bed of putty along the frame where the glass will sit. Carefully place the new pane into the frame, pressing gently to set it into the putty. Use metal glazier’s points around the edges to secure the glass, then apply another layer of putty over the points and edges to seal. Smooth the putty with the knife and finish with a coat of linseed oil for a neat appearance.


  • Clean and Finish: After the putty has been set, clean the glass with a window cleaner for a sparkling finish.

When to Consider Window Repair?

  • Minor Damage: Repair is viable for small cracks or chips that don’t affect the window’s structural integrity.

  • Historical Significance: Preserve the authenticity of historically significant or custom windows through repair.

  • Budget-Friendly: Opt for repair when budget constraints make replacement impractical.

  • New Windows: Repair minor issues on relatively new windows to avoid unnecessary replacements.

  • Seal Issues: Consider repair for seal failures in double or triple-glazed windows that don’t require full unit replacement.

Summing Up!

In conclusion, deciding between window repair and replacement hinges on evaluating the damage extent, the window’s historical value, budget considerations, the window’s age, and specific issues like seal failures. Opting for repair can be a cost-effective, efficient solution for minor damages, preserving historical integrity, and addressing specific problems without the need for a full replacement. However, it’s essential to weigh these factors carefully to ensure that the chosen solution aligns with long-term functionality, aesthetics, and energy efficiency goals.