Transition Joining Two Roofs With Different Pitches

As a final touch cover the flashing with shingles.

Transition joining two roofs with different pitches. The other is to get the fascias to line up. The roof is now combined and you re now good to go. Joining two roofs of different pitches blind valleys simplify framing. Slide the right edge of the flashing under the highest roof pitch.

To keep the porch roof framing as simple as possible we installed a structural ridge. First we should establish the pitch of both roof planes. Prepare two pieces of lumber with a 1 1 inches width. Position the flashing between the two roof pitches.

The shingles may overlap to provide full coverage for the combined roof. Before joining two roofs with different pitches you can temporarily remove the eaves trim and replacing it after completing joining the roofs. Joining these two roofs poses two main challenges. This allows water to flow off the upper panels out over the trim onto the lower panels and exits the roof at the eaves.

We re going to install it over top of the panels that have already been installed on the lower slope. We ll start with the knowledge that the main roof has an 8 12 pitch. Where the porch roof extended over the shed roof we installed a 2x6 ridge that ran from the top of the. The primary function of these two items is for sealing the edges of the roof.

Place the 2 by 4 inch piece of lumber along the center of the flashing. One is getting the two differently pitched planes to meet at the hip or valley rafter.