Pitch To Flat Roof Transition

The roof plane goes from one pitch to a lower pitch.

Pitch to flat roof transition.

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

Measure 1 1 2 from bottom edge of transition flashing. Install bottom roofing panels first 2. The flat roof already has a slight pitch as it is required by law. We see this quite frequently in log home roofs with porches for example.

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. A very important detail is where the flat roof is connecting the pitch roof. Pitch transitions are a common roof detail. 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.

Most people view pitching a flat roof as a tedious job. After bottom roofing panels have been installed set one piece of transition flashing down where the top portion non hemmed of the transition flashing lies flat on the upper roof 3. See the illustration below. We are in the process of having a standing seam metal roof installed.

This is a fairly common roof detail. Learn more about the installation of pitch transition trim by watching the short video or reading the transcript below.