Everything You Need to Know About Double Glazing

Everything You Need to Know About Double Glazing

Double glazing is a popular type of window construction that offers numerous benefits over traditional single-pane windows. But what exactly is double glazing, and how does it work? In this article, we’ll cover everything you need to know about double glazing, from its construction and energy-saving benefits to its different types and installation process.

What is Double Glazing?

Double Glazing Perth refers to windows that are made with two panes of glass instead of one, with a layer of insulating gas or air between them. This design provides superior insulation and energy efficiency compared to traditional single-pane windows, which can result in lower heating and cooling costs and increased home comfort.

How Does Double Glazing Work?

The layer of insulating gas or air between the two panes of glass in a double glazed window works to reduce heat transfer between the interior and exterior of your home. This means that in the winter, the windows will help to keep the heat inside, while in the summer, they will help to keep the heat out. The result is a more stable indoor temperature and reduced reliance on heating and cooling systems, which can lead to lower energy bills.

Types of Double Glazing:

There are several different types of double glazing available, each with its own unique set of features and benefits. Some of the most common types of double glazing include:

  1. Standard Double Glazing: This is the most basic type of double glazing, featuring two panes of glass with a layer of air between them.
  2. Low-E Double Glazing: Low-emissivity (Low-E) coatings can be applied to one or both of the glass panes in a double glazed window to further enhance energy efficiency.
  3. Toughened Double Glazing: Toughened double glazing features two panes of tempered glass that are stronger and more durable than standard glass, making them more resistant to breakage and damage.
  4. Laminated Double Glazing: Laminated double glazing features two panes of glass that are bonded together with a layer of plastic, providing increased sound insulation and security.

Installation Process:

Installing double glazed windows involves several steps that are important to follow carefully to ensure a successful and efficient installation. Here is a general overview of the installation process:

  1. Site preparation: The first step is to prepare the installation site. This involves removing any old windows, repairing any damage to the window frames or sills, and ensuring that the window openings are clean and free of debris.
  2. Measuring and ordering: The next step is to measure the window openings and order the new double glazed windows. It’s important to ensure that the measurements are accurate to ensure a proper fit and efficient installation.
  3. Window delivery: Once the new windows have been manufactured, they will be delivered to your home. It’s important to inspect the windows upon delivery to ensure that they are in good condition and to report any damage to the supplier.
  4. Installation: The installation process begins by fitting the new window units into the window openings. The frames are secured in place using screws or other fixings, and the gap between the frame and the opening is filled with a special sealant to ensure an airtight and watertight seal.
  5. Finishing touches: Once the windows have been installed, any necessary finishing touches are made. This may include adding trim around the window frames or painting the frames to match the surrounding d├ęcor.
  6. Clean-up: The final step is to clean up the installation site, including removing any debris or packaging materials and ensuring that the windows are clean and free of smudges or fingerprints.

It’s important to hire a qualified and experienced professional to ensure that the installation is done correctly and efficiently. A professional installer can help to ensure that the windows are properly measured, ordered, and installed, resulting in a successful and long-lasting installation.


In conclusion, double glazing is a smart investment for homeowners looking to improve the energy efficiency, comfort, and security of their homes. With its superior insulation and numerous types and benefits, double glazing is an excellent choice for any homeowner looking to upgrade their windows.

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