Resources
https://www.irishtimes.com/life-and-style/homes-and-property/interiors/builder-s-take-flat-roofs-make-a-comeback-all-is-forgiven-1.3013386
http://www.bdonline.co.uk/cpd-16-2016-insulating-flat-roofs/5083729.article
http://www.boisecommercialroofing.com/roofing-services-caldwell-nampa-boise-treasure-valley/
https://www.greentechmedia.com/articles/read/solarcity-aims-zep-solar-technology-at-commercial-solar-rooftops
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