Fibreglass

Fibreglass windows are made of glass-fibre-reinforced polyester or other fibreglass composites. As a result of their strength and low U-value, fibreglass windows offer highly effective thermal performance. Though not widely used in Australia, they are generally considered one of the most thermally efficient frames compared to other traditional materials.

Fibreglass is an incredibly strong material capable of maximising sunlight and views. Frames can be made from thinner profiles and smaller cross-sectional shapes increasing the amount of glass that can be used. Its strength also provides for a greater life expectancy of the entire window system with less stress on operating mechanisms.

Fibreglass windows provide a high degree of versatility to improve its performance. The hollow cavities within the frame can be filled with insulation for higher thermal performance compared to timber and uPVC. It is wise to note that not all frames are supplied with insulated cavities. In addition, a longer life expectancy can be achieved with special paints which offer resistance to fading caused by UV rays. Frames can easily be repainted with the existing finish acting as a primer.

Many fibreglass windows are used with high performance glass such as double glazing. This improved thermal performance will reduce heat loss in winter and heat gain in summer resulting in lower energy costs. Various windows styles using fibreglass frames are also available.


Advantages

  • High energy efficiency
  • Structurally strong
  • Allows for high glass to frame ratio
  • Maintenance free if not painted
  • Will not swell, warp or rot

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