Pitched Roof Over Flat Roof

This is because it is a more complex design than a flat roof that requires increased labour and additional materials.

Pitched roof over flat roof.

Anything pitched 3 and 12 or less is considered a low sloped roof. If the structure contains windows then you ll need a low pitch for example. Various styles of a pitched roof can be built or you can purchase pre manufactured trusses. There are a couple of different ways to go about a conversion.

It is a significant renovation if you are converting from flat to pitched. When we roof a flat or low slope roof we use a. However flat roofs require much more aggressive and consistent maintenance than a pitched roof. A pitched roof is more expensive.

Pitched roofs are anything 4 and 12 or above. Building a pitched roof over an existing flat roof it depends on a lot of variables like the condition of the existing flat roof including the state of the joints and the material its made of. However a flat roof is an inexpensive and. Most people view pitching a flat roof as a tedious job.

The flat roof already has a slight pitch as it is required by law. Aesthetics are a real consideration here. Depending on the climate your flat roof will only last between 15 and 30 years if well maintained. If a roof rises one inch over 12 inches it s called a 1 in 12 and it would be a low slope.

However in exchange for the added expense you will receive a roof that boasts a longer lifespan thoroughly effective water drainage and a more traditional appearance. If excessive damage is present you might not be able to do this at all. The way we measure the slope is to measure the roof s rise over 12 inches. Flat roofs also don t last as long.

Either way your home s existing design may interfere or affect the changes you can make. Pitched roofs cost more than a flat roof and also take longer to install. A pitched roof provides more structure and stability than a flat roof as well as excellent drainage in areas that receive large amounts of rain. You can install a shallow pitched roof over your existing flat roof add a trussed ranch style roof to convert to cathedral walls or even build a new floor and install the pitched roof above that.