This technique is beneficial particularly in home expansion.
Transition joining two roofs with different pitches.
The piece that allows us to join the two different slopes is the pitch transition trim.
Slide the right edge of the flashing under the highest roof pitch.
A roof pitch transition is a line in the roof plane that changes pitch.
Measure 1 1 2 from bottom edge of transition flashing.
The roof plane goes from one pitch to a lower pitch.
Joining two roofs with different pitches is a method that exists in the building and construction world.
Position the flashing between the two roof pitches.
Install bottom roofing panels first 2.
We see this quite frequently in log home roofs with porches for example.
Joining these two roofs poses two main challenges.
Joining two roofs of different pitches 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.
Jlc classics joining two roofs of different pitches.
Learn more about off angle roof framing.
This allows water to flow off the upper panels out over the trim onto the lower panels and exits the roof at the eaves.
The other is to get the fascias to line up.
Cut two rafters with a circular saw to the pitch of the addition roof and nail them across the rafters on the old roof.
By john carroll download the pdf version of this article.
We re going to install it over top of the panels that have already been installed on the lower slope.
The overhang is 16 inches measured horizontally and the fascia runs at a continuous height around the entire house.
See the illustration below.
Pitch transitions are a common roof detail.
489 78 kb my business partner and i recently added a large screened in porch with a gable roof onto a client s home.
To transition the eaves the.
This is a fairly common roof detail.
They form an upside down v with the point at the top of the addition roof.
Transition flashing installation guide 1.
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.
A sketchup model helps clarify how various rafters and framing components are assembled in an off angle hip and valley configuration.
