A well-maintained commercial flat roof is crucial for protecting your building and the business inside it. However, the nature of flat roofing — whether made from modified bitumen, polyvinyl chloride ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Lowe Larretta is former lead editor for Forbes Home, covering all things ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› Advice, staff picks, mythbusting, and more. Let us help you. Published January 19 ...

Hamburg, 13 June 2016 Non-penetrative installation of PV systems on pitched roofs with foil and bitumen roofing places high demands on the frame, especially on commercial buildings with low ...