Pitched Roof To Flat Roof Transition

The standard way to measure a roof s pitch is by its fall over 12 inches.

Pitched roof to flat roof transition.

A roof that falls one inch over 12 inches is called a 1 and 12 and would be considered low slope. 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. This latest project was in early december in lambeth ontario for a residential home that had an existing sloped or shingled roof that needed to tie into a ne. I used flat roof in the title because i felt this was common usage.

They also didn t overlap the two membranes enough so it wouldn t have been long before a significant leak developed along the entire length of. You will need to ensure that you are in standards with your local building codes and have the permits required. You can tear off the existing roof remove the trusses and strengthen the joists. How to measure a roof slope.

The flat roof already has a slight pitch as it is required by law. Flat roof connected to pitch roof. At the roof transition shown in photo roofers had installed peel and stick over the epdm lap. So it would be more accurate to consider a sloped roof v s.

This has to happen whether you re just removing the pitched roof or adding another floor with a flat roof. For slopes less than 9 5 we cannot install roof shingles. Various styles of a pitched roof can be built or you can purchase pre manufactured trusses. A flat roof isn t actually flat.

It appears to be flat but it needs a slope to allow the water to drain from the roof. There are a few ways to dealing with a pitched roof if you choose to convert to a flat roof. A low slope roof. Instead the roof must be done with a modified bituminous membrane e g.

It has a slope of 2 3. This allows water to flow off the upper panels out over the trim onto the lower panels and exits the roof at the eaves. They had the right idea but the peel and stick they used was rubberized asphalt which reacts with epdm. Most people view pitching a flat roof as a tedious job.

Armourvalley or other materials like epdm pvc or tpo covering.