How To Roof Different Roof Transition

The piece that allows us to join the two different slopes is the pitch transition trim.

How to roof different roof transition.

Slide the right edge of the flashing under the highest roof pitch. See the illustration below. We wanted to make the porch roof as steep as possible while keeping the peak of the roof below the wall to roof intersection at the top of the shed roof. After a taking some measurements and doing a bit of ciphering we established that the steepest pitch we could use on the porch roof was 4 in 12.

This video shows how to install slope transition trim with standing seam panels. This is a fairly common roof detail. Place the 2 by 4 inch piece of lumber along the center of the flashing. Run the sail material to the roofing with several inches to spare use some 6 rolled metal flashing so this is 1 price.

A roof pitch transition is a line in the roof plane that changes pitch. This allows water to flow off the upper panels out over the trim onto the lower panels and exits the roof at the eaves. The following is similar to a membrain that i did on my current home transition it has been dry for 3 winters so far. We see this quite frequently in log home roofs with porches for example.

Pitch transitions are a common roof detail. We re going to install it over top of the panels that have already been installed on the lower slope.