However flat roofs require much more aggressive and consistent maintenance than a pitched roof.
Adding pitched roof to flat roof.
Most homeowners will have a pitched home that they wish to add a flat roof addition to.
Roof trusses are pre manufactured and are delivered to the construction site with a pre estimated pitch.
How to tie a additions roof to existing roof roof additions to existing roofs how to construct a roof from an exsisting shead how to change a roof line how to attach a deck roof to existing roof how to add a roof over porch attach shed roof to house adding a roof to screened in porch adding a roof to existing adding a roof.
Additional valleys angles and gables can be built into converted roofs as well but adding these elements may affect your project.
You can tear off the existing roof remove the trusses and strengthen the joists.
Flat roofing systems come with benefits and drawbacks.
There are a few ways to dealing with a pitched roof if you choose to convert to a flat roof.
If both of the roofs are flat then they will normally butt up against one another however the problem with flat roofs is that there will always be a weakness down the center of the join.
Flat roofs also don t last as long.
Using a pitch measuring tool that i d made we also determined that the exact pitch of the shed roof was 3 1 2 in 12.
A pitched roof is more expensive.
Unlike sloped roofs flat roofs are susceptible to ponding water.
To get rid of ponding water problems.
When it comes to the disadvantages some property owners are being pestered by leaks.
Depending on the climate your flat roof will only last between 15 and 30 years if well maintained.
While that s the easiest route it s certainly not your only option.
You will need to add an overhang that is measured from face board.
Various styles of a pitched roof can be built or you can purchase pre manufactured trusses.
This is a standard roof but for a custom one then you should build your own pitch.
If you have a high rise building converting your flat roof to a pitched one may not be applicable.
Most homeowners choose to convert a flat roof to a pitched one using a simple trussed roof with two angled planes.
This has to happen whether you re just removing the pitched roof or adding another floor with a flat roof.
Blind valleys simplify framing to keep the porch roof framing as simple as possible we installed a structural ridge supported by posts at each end with the common rafters landing on top of the ridge.
Putting aside the obvious question of that s a terrible idea why would you want to do that there are really only two ways to go about that.
It is a significant renovation if you are converting from flat to pitched.