Joining Two Metal Roofs With Different Pitches

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

Joining two metal roofs with different pitches.

By john carroll download the pdf version of this article. The guide on how to join two roofs together in different heights is more or less similar to the steps on joining two roofs with similar pitch. First we should establish the pitch of both roof planes. Before joining two roofs with different pitches you can temporarily remove the eaves trim and replacing it after completing joining the roofs.

The difference is only you have to fit rafter material or scrap or plywood at the back of common rafter in the section where both roofs meet. Joining two roofs with different pitches is a method that exists in the building and construction world. Make it neat by folding the flashing edges around the roof s edges and along the bottom of the eave. Joining two roofs of different pitches.

We re going to install it over top of the panels that have already been installed on the lower slope. A sketchup model helps clarify how various rafters and framing components are assembled in an off angle hip and valley configuration. Attach the folds using metal screws. Here you can use metal screws.

Position the flashing between the two roof pitches. Slide the right edge of the flashing under the highest roof pitch. The next step is securing the flashing so that it will stick perfectly to the roof. Explore framing complexities that result when roofs of two different pitches intersect.

489 78 kb my business partner and i recently added a large screened in porch with a gable roof onto a client s home. This allows water to flow off the upper panels out over the trim onto the lower panels and exits the roof at the eaves. One is getting the two differently pitched planes to meet at the hip or valley rafter. Learn more about off angle roof framing.

The other is to get the fascias to line up. We ll start with the knowledge that the main roof has an 8 12 pitch. The way to do it is by using a 6 inch space apart between the. Joining two roofs of different pitches.

Place the 2 by 4 inch piece of lumber along the center of the flashing. Shed roof house roof porch roof design mobile home porch front porch addition front porch railings 3 season porch porch veranda. As a final touch cover the flashing with shingles. How to tie a additions roof to existing roof roof additions to existing roofs how to construct a roof from an exsisting shead how to change a roof line how to attach a deck roof to existing roof how to add a roof over porch attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing.

Joining these two roofs poses two main challenges.