'Rigid vinyl' presentation slideshows

The Differences Between Aluminum Windows and UPVC Windows

http://www.urbandorz.com/ - Over the last 20 or 30 years uPVC or rigid vinyl or vinyl siding windows have taken over as the most popular window type from aluminum windows. When you like at the energy savings that uPVC windows provide it is easy to understand this shift in trend. However, innovations have been made in aluminum windows and it could be argued that they are more environmentally friendly than uPVC windows.

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