Joining 2 Different Pitched Roofs

489 78 kb my business partner and i recently added a large screened in porch with a gable roof onto a client s home.

Joining 2 different pitched roofs.

3 12 and 6 12 is 4 5 17. The other is to get the fascias to line up. I was taught to split the different pitches thus coming up with the hip pitch. First we should establish the pitch of both roof planes.

Learn more about off angle roof framing. Place the 2 by 4 inch piece of lumber along the center of the flashing. The piece that allows us to join the two different slopes is the pitch transition trim. 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. Cut two rafters with a circular saw to the pitch of the addition roof and nail them across the rafters on the old roof. The result of joining two or more gabled roof sections together forming a t or l shape for the simplest forms or any number of more complex shapes. This allows water to flow off the upper panels out over the trim onto the lower panels and exits the roof at the eaves.

Position the flashing between the two roof pitches. Joining two roofs with different pitches is a method that exists in the building and construction world. This technique is beneficial particularly in home expansion. One is getting the two differently pitched planes to meet at the hip or valley rafter.

Joining these two roofs poses two main challenges. I have only built one roof where a hip was joining two different pitch roofs at the corner of a house. By john carroll download the pdf version of this article. A sketchup model helps clarify how various rafters and framing components are assembled in an off angle hip and valley configuration.

Joining two roofs of different pitches. Explore framing complexities that result when roofs of two different pitches intersect. If by any chance right now you are looking for the information about how to join two roofs if they have different pitches here we will share all the information we know with you. A simple roof design shaped like an inverted v.

The porch joined the house at right angles to a shed roof section.