Some local codes take it a step further allowing a slope of only of an inch per foot.
Flat roof residential rooftop design.
For a start there are no tricky gable end spaces to try and navigate when opening up the upper levels in flat roof houses plus you can use the roof itself as an outdoor terrace which will be a huge benefit for anyone with restrictive garden proportions.
Also known as low slope roofs flat roofs are less common in north american residential construction because the low slope of a flat roof has an increased tendency to collect water rather than shed like its more steeply pitched alternative.
If your house s architecture is modern then a flat roof home design is basically expected.
Flat and low sloped roofs look striking on a wide variety of architectural models especially on contemporary house designs.
According to the international code council the minimum slope for water runoff is inch per 12 inches.
Flat roofs are typically designed with a pitch of 10 degrees or less.
Some people still use sloped roofs on such houses but the clean geometry of a flat roof can really help your place stand out before you build take a look at some flat roofed house pictures and discuss things with your architect.
In fact many residences have sections of flat roof on porches balconies garages and room extensions which appear so attractive.
This may make it less ideal for rainy or snowy climates.
You can go for an extended roof that covers a few feet outside the external walls of the house.