False Pitch Flat Roof

The flat roof already has a slight pitch as it is required by law.

False pitch flat roof.

This is the basis for calculating the angle which is approximately a 1 19 degree slope. Most people view pitching a flat roof as a tedious job. Depending on the climate your flat roof will only last between 15 and 30 years if well maintained. However flat roofs require much more aggressive and consistent maintenance than a pitched roof.

A pitched roof is more expensive. A 900 square foot flat roof in the san francisco area made of concrete tiles costs. The downsides of flat roof to pitched roof conversions and three great alternatives why would you add pitch to your flat roof. You will need to ensure that you are in standards with your local building codes and have the permits required.

Various styles of a pitched roof can be built or you can purchase pre manufactured trusses. Adding trusses to a flat roof alone is time consuming not to mention costly. When a roof is pitched meaning that it has two slopes that meet at a central ridge it forms a triangular shape in the pitched area. Adding gables to a front facade can update the appearance of a house.

Flat roofs also don t last as long. This space is called a gable. It is a significant renovation if you are converting from flat to pitched. According to the international building code the typical built up flat roof that uses tar or asphalt goes by the guideline that for every foot 12 inches of a flat roof a minimum of inch must step up or down.

Often the gable is used to finish off the end of the roof.