Align the bottom so its parallel to the bottom length of the roof.
Replace flat roof with pitched.
Open the epdm square vertically along the length of the roof.
Roofs with a slope of 1 to 3 inches of fall to 12 inches of run should use rolled roofing.
Pitched roofs have about a 40 longer life than flat roofs.
There are a few ways to dealing with a pitched roof if you choose to convert to a flat roof.
Installing a shallow pitched roof over your existing flat roof.
Afterward flip the next topmost piece upward.
A 900 square foot flat roof in the san francisco area made of concrete tiles costs.
A flat roof is easily replaced by a one way slope or shed roof.
If you have a high rise building converting your flat roof to a pitched one may not be applicable.
This is because the membrane is more expensive to manufacture as well as the need for more specialized labor.
A pitched roof is more expensive.
When it comes to the disadvantages some property owners are being pestered by leaks.
There are a few ways in which you can go about the replacement including.
Flip the topmost piece of the epdm material downward across the length of the roof.
Determine the slope of the roof.
Lay down the square folded epdm material in the center of your flat roof.
Adding a trussed style roof.
To get rid of ponding water problems.
Flat roofs are about 10 20 more expensive to install than a pitched roof after the conversion.
It is a significant renovation if you are converting from flat to pitched.
Flat roofing systems come with benefits and drawbacks.
The structure does not need to be reinforced and the surface area is not that much greater for a shallow sloped shed roof.
Building a new floor and installing the pitched roof above that.
While that s the easiest route it s certainly not your only option.
This has to happen whether you re just removing the pitched roof or adding another floor with a flat roof.
Flat roofs also don t last as long.
Most homeowners choose to convert a flat roof to a pitched one using a simple trussed roof with two angled planes.
According to improve net s online roofing calculator a flat roof is significantly cheaper than a pitched roof.
Additional valleys angles and gables can be built into converted roofs as well but adding these elements may affect your project.
Unlike sloped roofs flat roofs are susceptible to ponding water.
They last 25 50 years while a flat roof membrane will last about 15 20 years.