A properly built roof should have straight angles. However, some roofs may sag over time, which will have to be fixed by your roofing contractor. In this post, local roof replacement company Burr Roofing, Siding, & Windows shares a look at the common causes of sagging roofs. 1.
Read MoreMost roofs are designed to be slanted to allow for precipitation to fall downward. There are several advantages to having a flat roof too, namely not needing shingles or replacing for a long time because of the level of concrete construction of the flat roof.
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