Remove Pitch Roof And Make Flat Roof

Various styles of a pitched roof can be built or you can purchase pre manufactured trusses.

Remove pitch roof and make flat roof. Adding trusses to a flat roof alone is time consuming not to mention costly. A 900 square foot flat roof in the san francisco area made of concrete tiles costs. 19 00 32 00 siding and roofing materials installed. 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.

It is a significant renovation if you are converting from flat to pitched. 50 00 110 00 the higher cost per square foot to frame side and roof dormers compared to additions is due to their smaller size. This has to happen whether you re just removing the pitched roof or adding another floor with a flat roof. Flat roofs also don t last as long.

15 00 20 00 finishing the interior. Finally finishing touches such as gutters and exterior siding will be added. The flat roof already has a slight pitch as it is required by law. The downsides of flat roof to pitched roof conversions and three great alternatives why would you add pitch to your flat roof.

3 25 4 50 framing the dormer. Once these decisions are made your flat roof will be removed or not and the carpentry work will commence. You can tear off the existing roof remove the trusses and strengthen the joists. According to improve net s online roofing calculator a flat roof is significantly cheaper than a pitched roof.

Most people view pitching a flat roof as a tedious job. This is the basis for calculating the angle which is approximately a 1 19 degree slope. A pitched roof is more expensive. You will need to ensure that you are in standards with your local building codes and have the permits required.

Depending on the climate your flat roof will only last between 15 and 30 years if well maintained. Removing roof material and cutting the roof deck. However flat roofs require much more aggressive and consistent maintenance than a pitched roof.