Flat Roof Into Pitched Roof Detail

Armourvalley or other materials like epdm pvc or tpo covering.

Flat roof into pitched roof detail.

According to improve net s online roofing calculator a flat roof is significantly cheaper than a pitched roof. Most homeowners choose to convert a flat roof to a pitched one using a simple trussed roof with two angled planes. A flat roof usually consists of the following. While that s the easiest route it s certainly not your only option.

However flat roofs require much more aggressive and consistent maintenance than a pitched roof. A selection of roof detail drawings including flat roof details pitched roof details mansard roof detail parapet verge ridge and eaves details. Depending on the climate your flat roof will only last between 15 and 30 years if well maintained. Flat roofs also don t last as long.

Some will choose to keep their pre existing flat roof on their structure underneath the new pitched roof to save removal costs but others might not be able to consider that option as their building couldn t support the weight of two roofs. The process for converting a flat roof into a pitched roof depends on your individual structure and your individual needs there is no one size fits all option. A flat roof isn t actually flat. A roof is considered to be flat when it is of a slope of 1 5o to the horizontal.

Additional valleys angles and gables can be built into converted roofs as well but adding these elements may affect your project. Flat roof construction manual materials design applications. Instead the roof must be done with a modified bituminous membrane e g. To discuss your project in more detail please contact your local area manager.

For slopes less than 9 5 we cannot install roof shingles. It has a slope of 2 3. A 900 square foot flat roof in the san francisco area made of concrete tiles costs. It appears to be flat but it needs a slope to allow the water to drain from the roof.

Flat roof connected to pitch roof. Although flat roofs are cheaper to build than pitched roofs they have a shorter life span. A pitched roof is more expensive. Warm roof to pitched roof junction mansard.