Joining Two Roofs With Different Pitches

First we should establish the pitch of both roof planes.

Joining two roofs with different pitches. Place the 2 by 4 inch piece of lumber along the center of the flashing. For the next step of joining two roofs with different pitches you need to measure mark and cut two pieces of 1 by 1 lumber to work as the edges seals. Step 4 place the flashing on the meeting point. We simply slid the straightedge over until it hit the shed roof and then positioned a 2 by under the straightedge and marked the edge of the 2 by.

Joining these two roofs poses two main challenges. How to join the roof pitches. Make sure to keep 1 by 1 lumber pieces in their place and drop some butyl caulker along. How do we figure the pitch of the secondary roof.

Step 2 measuring the length of the joined area. To make the blind valleys we attached sleepers to the shed roof locating them by placing a 14 foot straightedge that is usually used for screeding concrete on top of the porch rafters to project the plane of the new porch roof over to the surface of the existing shed roof. Step 3 prepare a piece of flashing material. We ll start with the knowledge that the main roof has an 8 12 pitch.

The other is to get the fascias to line up. What is roof pitch. We did this at the top and bottom on both sides of the roof. Step 1 preparing the area.

One is getting the two differently pitched planes to meet at the hip or valley rafter. Just like what you do with the flashing slide the first piece under the higher roof first followed by placing the second piece under the lower roof. When to join two roofs with different pitches.