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