Photo by CC user 90243602@N02 on Flickr Bi-folding doors have been driving the improvement and use of aluminium products in the home improvement sector. In the past decade, the doors seem to have become more desirable with homeowners, with more and more consumers seeing the long-term benefits of the door to their home and lifestyle, rather than just the initial cost. As is expected when the demand for any product gone up, so do the number of companies manufacturing them, and the amount of options. As a consequence, it is now very difficult to decide which door might be the best…