How To Replace Window Glass: A Step by Step Guide

Replacing the window glass carefully is crucial, as doing so wrongly can result in damage and poor alignment of the frame and glass. Furthermore, if you don’t replace window glass properly and use safety gear, it can also cause serious injury. However, professional  Window glass replacement services can cost a lot of money. 

Therefore, in this quick article, I’ll teach you how to Replace window glass step by step at your home. I’ll also tell you what materials, safety gear, and other equipment are needed. PS Home Maintenance Singapore, which offers services like electrician services, floor installation, painting services, etc., explains the importance of replacing window glass in Singapore. 

Importance of Carefully Replacing the Window Glass:

It’s important to carefully replace the window glass for the following reasons.

• Energy Efficiency: Properly replacing window glass ensures a tight seal, preventing air leaks and drafts that can impact your home’s energy efficiency.
• Safety: When you carefully replace the glass, the glass is installed properly, preventing the chances of shattering or breakage. 
• Enhanced Security: Replacing your windows with new ones ensures your home’s security. It keeps your windows structurally sound and challenging to tamper with, protecting your home and loved ones.
• Aesthetic Appeal: The careful replacement is neat and clean, and the glass is aligned correctly, which increases its overall appeal.
• Long-Term Durability: Properly replaced window glass can prolong the lifespan of your windows and prevent premature wear and tear.

Cost Consideration of Replacing Window Glass:

Type of Glass: 

What type of glass you are willing to install will contribute significantly to the cost. It’ll be affordable if you’re going for a standard clear glass option. However, it’s usually quite expensive if you’re looking for energy-efficient or specially-created glass. 

Size and Complexity: 

If the window is small and not placed into a frame that is created into different shapes, it’ll be quite affordable. However, the cost will be higher if the frame has various shapes and the window is large.

Accessibility: 

Windows that are difficult to access, such as those on upper floors or in awkward locations, may require special equipment or additional manpower to replace safely. This can result in higher labour costs compared to windows that are easily accessible from ground level.

Installation Method: 

If you replace the window glass without removing the whole frame, it’ll be quite affordable.

Additional Services: 

If the replacement invokes certain additional services, including tinting, frosting, or decorating materials, that will increase the overall cost.

Location and Labor Costs: 

If you’re seeking professional help, the professionals will also charge for the travel cost. If your home is too far away, travel costs will be higher. How many labourers will be working for the replacement will also add up to the price.

Warranty and Quality: 

The higher the quality of the glass, the costlier it will be.  Also, if the glass has a warranty, the manufacturers will sell it at a higher cost.

How to Replace Window Glass?

These are the steps you need to follow to replace the window glass. The first one is to get the:

Equipment Needed:

• Glass cutter
• Paint scraper
• Putty knife
• Tape measure
• Wire brush
• Caulking gun
• Chisel
• Heat gun
• Rubber mallet
• Paintbrush
• Duct tape

Materials Needed:

• Cut replacement glass
• Exterior paint (wood windows only)
• Fine-grit sandpaper
• Glazing compound or putty
• Glazing points

Safety Gear:

• Eye protection
• Leather work gloves

You must keep these things in mind:

To ensure that the replacing of the window glass is smooth and safe, follow these steps:

• Prioritise safety with protective gear.
• Measure accurately and choose suitable glass.
• Prepare the window area thoroughly.
• Use correct tools and techniques.
• Seal edges properly to prevent leaks.
• Ensure proper alignment and functionality.
• Address any issues promptly.

Replacing Window Glass: Step By Step Guide:

• First, lay down a drop cloth or tarp to catch any debris and protect the area around the window. 
• Then, using gloves and a wire brush, remove any broken glass and old putty from the window frame. 
• After that, thoroughly clean the window frame with a damp cloth to get rid of dust and dirt. Next, measure the window opening accurately using a tape measure. 
• Once that’s done, now transfer these measurements onto the replacement glass and cut it using a glass cutter. 
• Apply glazing compound or putty along the inside edge of the frame, and press the replacement glass firmly into it. 
• Secure the glass with glazing points around the perimeter, and smooth any excess compound or putty with a putty knife. 
• Clean off any remaining compound or putty from the glass and frame with a damp cloth. Close and lock the window to test its operation. 
• Lastly, inspect the installed glass for any imperfections or gaps. Finally, the old materials must be disposed of properly and the work area cleaned up.

Final Words:

How to replace Window Glass? Measure, prepare, remove old glass, clean frame, cut replacement glass, apply glazing compound, secure glass with glazing points, smooth excess compound, clean, test, inspect, and dispose of old materials. That’s how easy it is. Just ensure you do it carefully to protect yourself and also ensure the good alignment of the glass.

Frequently Asked Questions