A pitched roof is more expensive.
Remove pitch roof and make flat roof.
Depending on the climate your flat roof will only last between 15 and 30 years if well maintained.
The flat roof already has a slight pitch as it is required by law.
You can tear off the existing roof remove the trusses and strengthen the joists.
Removing roof material and cutting the roof deck.
Various styles of a pitched roof can be built or you can purchase pre manufactured trusses.
Anyone who wants to know how to make a flat roof have a pitch would somewhat assume that the job is tedious.
After the new space is framed or trussed the pitched roof can be installed and any necessary hvac or interior renovations can be concluded.
15 00 20 00 finishing the interior.
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.
According to improve net s online roofing calculator a flat roof is significantly cheaper than a pitched roof.
Once these decisions are made your flat roof will be removed or not and the carpentry work will commence.
This has to happen whether you re just removing the pitched roof or adding another floor with a flat roof.
A 900 square foot flat roof in the san francisco area made of concrete tiles costs.
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.
Finally finishing touches such as gutters and exterior siding will be added.
This is the basis for calculating the angle which is approximately a 1 19 degree slope.
However flat roofs require much more aggressive and consistent maintenance than a pitched roof.
19 00 32 00 siding and roofing materials installed.
The downsides of flat roof to pitched roof conversions and three great alternatives why would you add pitch to your flat roof.
It is a significant renovation if you are converting from flat to pitched.
There are a few ways to dealing with a pitched roof if you choose to convert to a flat roof.
You will need to ensure that you are in standards with your local building codes and have the permits required.
3 25 4 50 framing the dormer.