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Thermawood Retro-Fit Double Glazing System for existing wooden windows, Energy Efficient, Retain Character & Reduce Noise.

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Thermawood Retro-fit creates a unique Patented dry glazing system for double glazing your existing timber windows and doors in your home. (patent # 2011277115) The system is designed to fit any wooden joinery and can be used in a number of configurations.

Thermawood Retro-fit Double Glazing remains substantially warmer than single glazing and allows you to maintain the original character aesthetic of your home while adding value to your property and saving money on energy costs.


Energy Efficient
Cooling (or heating) of your home..
Retain Character
By Retro-Fitting Thermawood Double glazing..
Reduce Noise
By choosing different glass types Thermawood..
Draft Seals
Installing draft seals into your existing frames..
Low E Glass for Maximum Effect
The IGU units can use any type of glass however..
Reduce Condensation
Thermawood Retro-fit Double Glazing remains substantially..
Good for the Environment
Double Glazing can reduce your energy consumption, saving..

Thermawood is now in Australia

We have established franchisees in Victoria.

Australian Franchise Opportunities

We are now seeking expressions of interest for Thermawood franchise opportunities in all states in Australia. For more information.