How minor is the slope of a flat or low-slope roof? It’s usually between ¼-½” depending upon the builder and the design of the home. A low-slope roof allows some water to drain from the roof ...

The plan calls for adding the second drain ... the mansard design allowed for tax-free living space in an area equal to the footprint of the house. The roof on Kevin's house was flat, and although ...

Doesn’t a peaked roof make more sense? Flat roofs are more ... absolutely soaked …” Corb’s drainage system had not worked as intended. In fact, the design was so bad that the contractor ...

Here are the key components and design considerations: For the flat roof build-up ... ensured that the roof meets the necessary U-value for thermal performance. Roof falls and drainage: it is ...