By choosing double glazed uPVC windows and doors your home will become be more thermally efficient reducing your energy bills in both the warmer and cooler months, keeping your home cooler in the summer and warmer in the winter without the use of the air conditioner or heater.

Thermaglaze Double Glazings uPVC windows and doors are manufactured from the most durable Aluplast material on a market which has been expedited tested, the uPVC will not flake, peel, blister, rot, rust or corrode. The double glazed windows and doors have great noise insulation and they have improved security with multi-point locking systems.

uPVC is an abbreviation of for Unplasticised Polyvinyl Chloride. It is a rigid PVC. PVC is a commonly produced thermoplastic material. Colour goes through the complete thickness of the material meaning, when it is scratched, the marks can be polished out. uPVC can be welded to give clean joins and it cannot corrode, even with direct contact with salt water.

What is Double Glazing?

Double glazing is the use of two panes of glass to reduce noise and heat transmission in windows and doors, also known as Insulated Glazed Units (IGU)

Double glazing is far more superior in performance than single glazing, double glazing provides a more comfortable and quieter home with lower energy bills.

Aluplast uPVC  window and door frames are able to be recycled up to seven times without compromises in terms of material quality. Due to its unparalleled benefits over aluminum and timer, its’ global importance is increasing.

Aluplast uPVC is specially designed and formulated with added UV Stabilizers to ensure that our products remain stable and robust under the harsh Australian sun.

For more information about uPVC products head to the The uPVC Windows Alliance, an initiative that aims to share information and resources on uPVC windows so that architects, designers and home-owners can make fully informed decisions about which type of window to install.




Our windows and doors are made to measure so will easily fit directly into the existing window and door opening.

Currently the colour range available from Thermaglaze Double Glazing

consists of

  • White
  • Cream
  • Golden Oak
  • Matt Black
  • Matt Black on White (inside)
  • Anthracite
  • Anthracite on White (inside)

The New Generation Of Wood Surfaces For Windows

  • Turner Malt Oak
  • Turner Toffee Oak
  • Sheffield Oak Concrete
  • Sheffield Oak Alpine

All the uPVC profile used in manufacturing the windows and doors have passed stringent performance testing ensuring that the product withstands the elements of the Australian Climate.

The only maintenance uPVC double glazed  windows and doors may require is to lubricate the locking mechanism occasionally. To clean use a mild soapy water and a sponge. 


With a firm and tight closing mechanism and gas filled double glazing our windows and doors significantly reduce noise disturbance from outside up to an eighth of the original noise level. They protect against sound transmission up to 44db and are ideally suited for all homes and buildings

uPVC windows and doors are a competitively priced.

Price is also determined by size, colour & style.

Please Note

Not all uPVC window and door systems offer the same advantages as the Aluplast system.

Thermaglaze Double Glazing only manufacture one brand of uPVC system, we do not offer a cheaper entry level substitute, we provide the best solutions for our customers with the guarantee of  continual savings on your energy bills and maintenance costs.

Current lead times are currently around 10 to 12 weeks from date of deposit, although your job may take less time depending on a number of factors such as the quantity, size of the project, specification of the windows and doors system and prior commitments and our factory schedule. 

We will always endeavour to provide a prompt and efficient service, sometimes there may be times when we are unable to deliver within the time frame due to factors that are out of the control of Thermaglaze Double Glazing.

Yes. Thermaglaze Double Glazing is an excellent choice of Windows and Doors to gain Passive House Certification.

A Passive House building is designed and built following 5 principles:

  1. Air-Tightness
  2. Insulation
  3. Ventilation
  4. Glazing
  5. Thermal Bridging


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