Slide the right edge of the flashing under the highest roof pitch.
Transition joining two roofs with different pitches.
A sketchup model helps clarify how various rafters and framing components are assembled in an off angle hip and valley configuration.
Joining these two roofs poses two main challenges.
Install bottom roofing panels first 2.
A roof pitch transition is a line in the roof plane that changes pitch.
The other is to get the fascias to line up.
One is getting the two differently pitched planes to meet at the hip or valley rafter.
Pitch transitions are a common roof detail.
We see this quite frequently in log home roofs with porches for example.
The roof plane goes from one pitch to a lower pitch.
Learn more about off angle roof framing.
After bottom roofing panels have been installed set one piece of transition flashing down where the top portion non hemmed of the transition flashing lies flat on the upper roof 3.
They form an upside down v with the point at the top of the addition roof.
Jlc classics joining two roofs of different pitches.
Place the 2 by 4 inch piece of lumber along the center of the flashing.
Transition flashing installation guide 1.
Explore framing complexities that result when roofs of two different pitches intersect.
This is a fairly common roof detail.
Measure 1 1 2 from bottom edge of transition flashing.
Joining two roofs of different pitches framing.
By john carroll download the pdf version of this article.
Position the flashing between the two roof pitches.
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 overhang is 16 inches measured horizontally and the fascia runs at a continuous height around the entire house.
See the illustration below.
We re going to install it over top of the panels that have already been installed on the lower slope.
To transition the eaves the.
The piece that allows us to join the two different slopes is the pitch transition trim.
This allows water to flow off the upper panels out over the trim onto the lower panels and exits the roof at the eaves.
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.
