Pitch To Flat Roof Transition

A roof pitch transition is a line in the roof plane that changes pitch.

Pitch to flat roof transition.

We are in the process of having a standing seam metal roof installed. Learn more about the installation of pitch transition trim by watching the short video or reading the transcript below. This is a fairly common roof detail. We see this quite frequently in log home roofs with porches for example.

Now we re going to look at something that does happen quite often. You will need to ensure that you are in standards with your local building codes and have the permits required. Pitch transitions are a common roof detail. The roof plane goes from one pitch to a lower pitch.

Measure 1 1 2 from bottom edge of transition flashing. Our 4 12 pitched roof transitions to a flat roof on three sides with two valleys feeding into the flat roof on the corners pls see pic we had the flat roof covered with tpo which runs at least a foot up the sloped roof on the three sides. Most people view pitching a flat roof as a tedious job. The starter strip and first row of shingles must be applied 25 cm from the bottom of the slope roof or main roof above the slope transition.

Armourfix and armourvalley membranes must be installed and extended 60 90 cm up the main roof underneath the shingles in order to assure a waterproof connection. The flat roof already has a slight pitch as it is required by law. Install bottom roofing panels first 2. You ll have a steeper part of your roof turning into a lower slope so there s a steeper pitch up top and a lower pitch on the bottom.

Various styles of a pitched roof can be built or you can purchase pre manufactured trusses. A very important detail is where the flat roof is connecting the pitch roof.