How To Re Pitch A Flat Roof

If you used long lasting materials on your pitched roof you could expect it to last much longer.

How to re pitch a flat roof.

Change the pitch on an existing sloped roof by removing the old roof and framing. Calculate how much the roof span is going to be by measuring from one top plate to the other top plate. The pitch of a roof is the angle at which it is built compared to the flat foundation of the house. Rooftops can be either flat or pitched at a variety of angles.

Step 2 calculate material prices. 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. Adding pitch to a flat roof. Step 3 prepare the materials.

Take off shingles or other roof. Step 1 calculate the roof span. Remove rafters or trusses one at a time. Flat roofs also don t last as long.

Lay down the square folded epdm material in the center of your flat roof. Depending on the climate your flat roof will only last between 15 and 30 years if well maintained. 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. Use a pry bar to pull nails loose then remove them with a crow bar or.

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. Open the epdm square vertically along the length of the roof. 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. Step 5 replace roofing.

However flat roofs require much more aggressive and consistent maintenance than a pitched roof. Use prefabricated trusses to put a new pitch. Determine the roof span and pitch. How to make a flat roof have a pitch general steps step 1.

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. Install the new material. Align the bottom so its parallel to the bottom length of the roof. This new roof with a higher pitch can be accomplished with premade roof trusses and typical asphalt shingles.