First of all a flat nay or may not be actually flat.
Flat to pitched roof.
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.
Pitched roofs last substantially longer in most climates.
Pitched roofs look very out of.
Aesthetics are a real consideration here.
Flat roofing systems come with benefits and drawbacks.
It is a significant renovation if you are converting from flat to pitched.
You can tear off the existing roof remove the trusses and strengthen the joists.
When it comes to the disadvantages some property owners are being pestered by leaks.
However flat roofs require much more aggressive and consistent maintenance than a pitched roof.
Both your personal requirements and the needs of your property will sway your decision either way so it s vital to do your research first.
It s all in what you want from your roof.
Additional valleys angles and gables can be built into converted roofs as well but adding these elements may affect your project.
However do take the architecture of your home into consideration.
This is because it is a more complex design than a flat roof that requires increased labour and additional materials.
Flat roofs are more common for commercial buildings and while not as architecturally beautiful as a pitched roof can also be used for residential buildings.
According to improve net s online roofing calculator a flat roof is significantly cheaper than a pitched roof.
Depending on the climate your flat roof will only last between 15 and 30 years if well maintained.
However in exchange for the added expense you will receive a roof that boasts a longer lifespan thoroughly effective water drainage and a more.
Advantages to pitched roofs over flat roofs.
This has to happen whether you re just removing the pitched roof or adding another floor with a flat roof.
Is a flat roof going to cause me problems.
While that s the easiest route it s certainly not your only option.
This is the basis for calculating the angle which is approximately a 1 19 degree slope.
Unlike sloped roofs flat roofs are susceptible to ponding water.
A pitched roof is more expensive.
To get rid of ponding water problems.
There are a few ways to dealing with a pitched roof if you choose to convert to a flat roof.
Pitched roofs cost more than a flat roof and also take longer to install.
Flat roofs also don t last as long.
Most homeowners choose to convert a flat roof to a pitched one using a simple trussed roof with two angled planes.
If you have a high rise building converting your flat roof to a pitched one may not be applicable.