Common roofing term explained by Capital Construction of Newton MA:Camber
This term is used to describe a convex curve that occurs over a surface. It is usually present in shingles and in a prestressed roofing deck, such as when concrete is used as a primary roofing material.
Newton roofing FAQ:Is weight an important consideration during a flat roofing system installation?
Weight should always be kept in mind before the details of the installation are finalized. There are many primary flat roofing materials that weigh a very large amount. If the roof is not properly reinforced, the materials may collapsed inward and cause tremendous structural damage to the rest of the home.