Asphalt Shingle To Metal Roof Transition Detail

The line extends 12 inches beyond the marks each way to establish the length of the transition flashing.

Asphalt shingle to metal roof transition detail. A customer of mine would like details or advice concerning asphalt shingle to metal roof transition 8 2 2006 within the general discussion discussion of the residential metal roofing forum. The piece that s going to allow us to join the panels on the lower slope and the panels on the higher slope is the pitch transition flashing or the pitch change trim. The roof plane goes from one pitch to a lower pitch. It needs to be mounted high enough on the asphalt shingle roof that it maintain a good positive slope where it extends over the thickness of the metal roof.

The basic transition detail is a flashing which extends up under the asphalt shingles by several inches and out over the metl by several inches. 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 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. Joe i would do it as a pitch change.

Some of the manufacturers show the transition detail in their drawings. Snap a chalk line between the two transition marks on the shingle roof. Basically figure out how many inches of metal you need over the metal roof to prevent runback and how many inches you need under the shingles. If you look here at the lower slope roof you can see that we ve already put panel on it and installed z trim as we have been doing elsewhere on this project.

See the illustration below. We see this quite frequently in log home roofs with porches for example. Pitch transitions are a common roof detail. This is a fairly common roof detail.

Jun 14 2016 sean jarboe. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. A roof pitch transition is a line in the roof plane that changes pitch. A very important detail is where the flat roof is connecting the pitch roof.