Step 3 prepare the materials.
How to re pitch a flat roof.
Remove rafters or trusses one at a time.
Some will choose to keep their pre existing flat roof on their structure underneath the new pitched roof to save removal costs but others might not be able to consider that option.
This new roof with a higher pitch can be accomplished with premade roof trusses and typical asphalt shingles.
Adding pitch to a flat roof.
The process for converting a flat roof into a pitched roof depends on your individual structure and your individual needs there is no one size fits all option.
Use a pry bar to pull nails loose then remove them with a crow bar or.
Align the bottom so its parallel to the bottom length of the roof.
If you used long lasting materials on your pitched roof you could expect it to last much longer.
There is no common formula for pitching a roof in most locations homeowners can choose a pitch that works for them when remodeling or building a house from the ground up.
Flat roofs also don t last as long.
Lay down the square folded epdm material in the center of your flat roof.
Open the epdm square vertically along the length of the roof.
Calculate how much the roof span is going to be by measuring from one top plate to the other top plate.
However flat roofs require much more aggressive and consistent maintenance than a pitched roof.
How to make a flat roof have a pitch general steps step 1.
Step 4 re sheath roof.
Flip the topmost piece of the epdm material downward across the length of the roof.
Take off shingles or other roof.
Tear off the old materials and apply roof sheathing.
Step 2 calculate material prices.
Determine the roof span and pitch.
Change the pitch on an existing sloped roof by removing the old roof and framing.
The traditional metal roof types such as 5v crimp shown above and corrugated are rated by the manufacturers for use down to a 3 12 pitch three inches of vertical rise for every foot of horizontal run.
Replacing a roof can be expensive but if a roof contains only a small slope it s possible to raise the roof pitch of a house by building a roof over the old one.
Step 5 replace roofing.
Rooftops can be either flat or pitched at a variety of angles.
Use prefabricated trusses to put a new pitch.
Install the new material.