However flat roofs require much more aggressive and consistent maintenance than a pitched roof.
Flat roof to pitched roff.
The following steps are involved when converting a flat roof to a pitched roof.
Most homeowners choose to convert a flat roof to a pitched one using a simple trussed roof with two angled planes.
Additional valleys angles and gables can be built into converted roofs as well but adding these elements may affect your project.
The joist spacing will then be checked to ensure it can accommodate a pitched roof installation.
According to improve net s online roofing calculator a flat roof is significantly cheaper than a pitched roof.
This has to happen whether you re just removing the pitched roof or adding another floor with a flat roof.
How to change flat roof into a pitched roof.
The flat roof already has a slight pitch as it is required by law.
Pitched roof extensions typically cost more simply because they involve more work and take longer to complete.
One of flat roofs most persistent problems is leaking caused by standing water which pitched roofs avoid entirely.
How long does a flat roof last.
Pitched roofs are resilient to most damage although certainly repairs will still be needed from time to time.
A completely flat roof is a poor design as water and snow will collect on it eventually leading to your roof collapsing in from the weight of it all.
This is a factor that planning departments tend to look on favourably.
A 900 square foot flat roof in the san francisco area made of concrete tiles costs.
There is no question that a flat roof is cheaper to install.
Various styles of a pitched roof can be built or you can purchase pre manufactured trusses.
Most people view pitching a flat roof as a tedious job.
A common choice for flat roofing material is epdm rubber as it is highly durable waterproof and can be made from recycled materials.
You can tear off the existing roof remove the trusses and strengthen the joists.
Pros of a pitched roof extension.
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.
If you have a high rise building converting your flat roof to a pitched one may not be applicable.
The smallest pitch of a roof is 0 5 12.
There are a few ways to dealing with a pitched roof if you choose to convert to a flat roof.
One of the biggest factors when deciding between a pitched roof extension and a flat roof extension is cost.
Pitched roof extensions afford a more traditional look and that means they blend in better with the style of many houses.
While that s the easiest route it s certainly not your only option.
Flat roofing systems come with benefits and drawbacks.
To get rid of ponding water problems.
It is a significant renovation if you are converting from flat to pitched.