How To Pitch A Roof On A Flat 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.

How to pitch a roof on a flat roof.

Most people view pitching a flat roof as a tedious job. Various styles of a pitched roof can be built or you can purchase pre manufactured trusses. There may be compelling reasons to change the pitch of your roof even if your reason is just that you like the look of a pitched roof better. 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.

The flat roof already has a slight pitch as it is required by law. 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. Premade trusses will form the skeleton of your new roof above your old roof. You will need to ensure that you are in standards with your local building codes and have the permits required.

The process of changing the pitch of your roof if you own a building with a flat roof the first thing your contractor will do is consult a structural engineer to make sure your structure can handle the. A common house roof pitch is 5 by 12 which means it slopes up from the wall at 5 inches per foot. That way you know the process. You can also use the knowledge you gain to evaluate prospective roofing contractors.