According to improve net s online roofing calculator a flat roof is significantly cheaper than a pitched roof.
Remove pitch roof and make flat roof.
Removing roof material and cutting the roof deck.
A 900 square foot flat roof in the san francisco area made of concrete tiles costs.
The downsides of flat roof to pitched roof conversions and three great alternatives why would you add pitch to your flat roof.
Adding trusses to a flat roof alone is time consuming not to mention costly.
19 00 32 00 siding and roofing materials installed.
You will need to ensure that you are in standards with your local building codes and have the permits required.
This is the basis for calculating the angle which is approximately a 1 19 degree slope.
Finally finishing touches such as gutters and exterior siding will be added.
Depending on the climate your flat roof will only last between 15 and 30 years if well maintained.
A pitched roof is more expensive.
Flat roofs also don t last as long.
The flat roof already has a slight pitch as it is required by law.
After the new space is framed or trussed the pitched roof can be installed and any necessary hvac or interior renovations can be concluded.
However flat roofs require much more aggressive and consistent maintenance than a pitched roof.
You can tear off the existing roof remove the trusses and strengthen the joists.
There are a few ways to dealing with a pitched roof if you choose to convert to a flat roof.
Anyone who wants to know how to make a flat roof have a pitch would somewhat assume that the job is tedious.
Most people view pitching a flat roof as a tedious job.
Various styles of a pitched roof can be built or you can purchase pre manufactured trusses.
50 00 110 00 the higher cost per square foot to frame side and roof dormers compared to additions is due to their smaller size.
This has to happen whether you re just removing the pitched roof or adding another floor with a flat roof.
Once these decisions are made your flat roof will be removed or not and the carpentry work will commence.
15 00 20 00 finishing the interior.