How To Re Pitch A Flat Roof

Adding pitch to a flat roof.

How to re pitch a flat roof. 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. If you used long lasting materials on your pitched roof you could expect it to last much longer. Step 4 re sheath roof. Step 5 replace roofing.

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. 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. Rooftops can be either flat or pitched at a variety of angles. Step 1 calculate the roof span.

Determine the roof span and pitch. Lay down the square folded epdm material in the center of your flat roof. 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. The pitch of a roof is the angle at which it is built compared to the flat foundation of the house.

Flip the topmost piece of the epdm material downward across the length of the roof. Change the pitch on an existing sloped roof by removing the old roof and framing. Flat roofs also don t last as long. Step 2 calculate material prices.

Install the new material. Calculate how much the roof span is going to be by measuring from one top plate to the other top plate. Use prefabricated trusses to put a new pitch. How to make a flat roof have a pitch general steps step 1.

However flat roofs require much more aggressive and consistent maintenance than a pitched roof. Open the epdm square vertically along the length of the roof. Remove rafters or trusses one at a time. Take off shingles or other roof.

Step 3 prepare the materials. Use a pry bar to pull nails loose then remove them with a crow bar or. Tear off the old materials and apply roof sheathing. Depending on the climate your flat roof will only last between 15 and 30 years if well maintained.