Environmental Benefits of Window Renovation
By Etienne Botha
The argument should start with challenging if replacing windows unnecessarily is the right environmental option if you consider that replacement sash windows and/or casement windows consume up to 40 times more energy!
It should be obvious that a window renovation process, which retains much of the existing material, has clear environmental benefits over manufacturing replacement windows. However, many people fail to consider the whole picture and wider implications. Here we explain the facts behind renovation V’s replacement.
Whole Life Costs
Whole life cost is the measurement of the total environmental impact of a product from cradle to grave or put another way, from the extraction of raw materials to disposal of the product at the end of its life.
Energy Comparison
Renovating windows rather than replacing them retains the carbon store or invested energy, from the original manufacturing process. This provides a vast saving in energy from extracting raw materials through to the processing of these into finished products as the equation above illustrates.
It’s a simple equation: Minimal waste = less material sent to landfill or for recycling
By renovating sash windows, we have a system that effectively recycles materials at source, which minimises waste. This is an important environmental benefit when compared to uPVC, where:
* 82% of uPVC goes to landfill
* 43% of uPVC is made up of non-renewable resources
* 15% of uPVC is incinerated
* Only 3% of uPVC is recycled
Environmental Benefits of Window Renovation:
* Uses 1/40th of the energy of replacement
* Material sent to landfill is reduced
* Use of finite resources is minimised
* Invested energy or carbon store is retained
To find out more about Green Packs for more information on Home Information Packs (HIPs), Independent Testing, Building Regulations Part L1b & L2b and Energy Comparisons please visit us at the link below
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