Pitch To Flat Roof Transition

This is a fairly common roof detail.

Pitch to flat roof 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. 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. We see this quite frequently in log home roofs with porches for example. A very important detail is where the flat roof is connecting the pitch roof.

Transition flashing installation guide 1. A roof pitch transition is a line in the roof plane that changes pitch. Pitch transitions are a common roof detail. Now we re going to look at something that does happen quite often.

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. See the illustration below. Measure 1 1 2 from bottom edge of transition flashing. Various styles of a pitched roof can be built or you can purchase pre manufactured trusses.

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. Most people view pitching a flat roof as a tedious job. Install bottom roofing panels first 2. Learn more about the installation of pitch transition trim by watching the short video or reading the transcript below.

The flat roof already has a slight pitch as it is required by law. The roof plane goes from one pitch to a lower pitch.