How To Join Two Roofs Different Hights

Place the 2 by 4 inch piece of lumber along the center of the flashing.

How to join two roofs different hights.

With your square set on the main roof side of the hip rafter step off the true run of the first hip jack using the pitch of the main roof hip 8 15 5 8. After that cut each of them to fit the length of the joined area. Where the porch roof extended over the shed roof we installed a 2x6 ridge that ran from the top of the. Slide the right edge of the flashing under the highest roof pitch.

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. Position the flashing between the two roof pitches. Joining two roofs with different heights 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. A sketchup model helps clarify how various rafters and framing components are assembled in an off angle hip and valley configuration.

With either copper or lead you can do it with one piece by folding the sheet onto itself creating a z fold yielding a triple layer. To keep the porch roof framing as simple as possible we installed a structural ridge. Mark a plumb line. Joining two roofs of different pitches blind valleys simplify framing.

Learn more about off angle roof framing. For each successive jack rafter step off the common difference. This is the centerline of the first jack. Prepare two pieces of lumber with a 1 1 inches width.

Take a piece of the lumber and then slip it under the roof pitch that has a higher position.