Types of Window Frames

Most of the top window brands will offer five different types of window frame materials. Aluminum windows, composite windows, vinyl windows, fibreglass windows, and traditional wooden window frames are examples of these frame types. Each has a slightly different window style, energy efficiency, and durability. These distinctions will be discussed further below.

Vinyl Aluminium Fibreglass Timber Composite
Will Not Peel, Crack or Warp
Energy Efficient (U-value)
Can be Painted
Available in Range of Colours

Vinyl Window Frames

Upvc Vinyl Window Frame

Vinyl window frames are made of polyvinyl chloride (PVC) with UV stabilisers to prevent sunlight from deteriorating the material. Vinyl window frames do not need to be painted and are resistant to dampness. The frames are hollow so can be filled with insulation, making them thermally superior to timber frames.

They’re usually the cheapest—and usually white. Some versions, however, are available in a limited number of exterior and interior colours, including wood-laminate finishes. Keep in mind that most vinyl frame windows cannot be painted or stained, so keep that in mind if you want to match the colour of the exterior paint. There are fewer hardware possibilities for vinyl frames than for timber frames.

Aluminium Window Frames

aluminium windows

Aluminium frames are a popular choice since they are lightweight yet robust and require little maintenance.

It’s worth noting that metal is a poor insulator because it transfers heat quickly, this makes it a poor choice when it comes to energy efficiency.

However, there are techniques to reduce the conductivity of your aluminium windows. Upgrading to double-glazed windows, for example, or adding window films can help.

Fibreglass Window Frames

Fiberglass windows provide exceptional thermal efficiency to homeowners. This results in an excellent insulating material, which is ideal for complementing energy-efficient glass.

Fiberglass window frames are not easily damaged. They are not prone to dents, scratches, warping, or rust. All of these characteristics combine to make this framing materia incredibly practical and, while being less prevalent, reasonably easy to maintain, making it the number one choice for many homeowners.

Timber Window Frames

timber windows

When properly maintained, timber windows are equally as sturdy and long-lasting as other window frame materials. They have been used in homes for hundreds of years, and while they have evolved to meet current standards, they still provide the same overall strength and aesthetic appeal that they have always provided.

On the other hand, they are quite pricey when compared to vinyl or fibreglass windows. They must also be maintained. For example, if you do not repaint the windows as necessary, they may experience considerable expansion and contraction owing to moisture fluctuations in the wood. In certain regions, they are also prone to rust and weathering.

Composite Window Frames

composite windows

Composite windows are high-performance, aesthetically pleasing, and long-lasting. They have the look and solidity of wood windows, the low-maintenance qualities of vinyl, and outstanding insulation, making it a dependable alternative for homes. Furthermore, this framing material is totally recyclable and eco-friendly. Because these frames are made of many materials, they provide the same heat resistance as wood without the moisture-related mildew and deterioration.

Elias Chahine

Elias Chahine

Elias Chahine is the director of Gusto Emergency Glass Replacement and has many years in the glass repair and construction industry

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