In the infrared photos the window frames remain major thermal bridges. I want to use insulated frames. Junk Joules disappears and suddenly the price goes up. I find they are now subject to a Government tariff. I learn the local aluminium industry told its workers they would all lose their jobs if such frames were permitted and so politicians were leaned on. 

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Chapter Seven - The House of Life -Infrared Sheep Visions..        

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