Valley Joining Two Roofs With Different Pitches

Select the 2 top faces.

Valley joining two roofs with different pitches.

Draw a couple of attached boxes representing a main building plus a building extension. To keep the porch roof framing as simple as possible we installed a structural ridge. This allows water to flow off the upper panels out over the trim onto the lower panels and exits the roof at the eaves. Joining these two roofs poses two main challenges.

Before joining two roofs with different pitches you can temporarily remove the eaves trim and replacing it after completing joining the roofs. In the pop up menu then choose calif ranch from the roof style pull down menu. What is roof pitch. Place the 2 by 4 inch piece of lumber along the center of the flashing.

Position the flashing between the two roof pitches. How to join the roof pitches. Step 2 measuring the length of the joined area. Step 3 prepare a piece of flashing material.

The other is to get the fascias to line up. As a final touch cover the flashing with shingles. Where the porch roof extended over the shed roof we installed a 2x6 ridge that ran from the top of the. First we should establish the pitch of both roof planes.

When to join two roofs with different pitches. Step 1 preparing the area. Slide the right edge of the flashing under the highest roof pitch. Step 4 place the flashing on the meeting point.

The shingles may overlap to provide full coverage for the combined roof. The piece that allows us to join the two different slopes is the pitch transition trim. Choose ok to accept default parameters and generate the roof shown. We re going to install it over top of the panels that have already been installed on the lower slope.

Joining two roofs of different pitches blind valleys simplify framing. Step 5 sealing the edges of the roof with lumber. We ll start with the knowledge that the main roof has an 8 12 pitch.