There are 2 ways to extend the roof parallel to a ridge.
How to join two hip roofs together.
Method 1 gable roof with offset ridge.
Draw geometry similar to below and select all but 3 top edges as shown.
The first method works only for gable or shed roofs but not hip roofs.
At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing.
More information can be found about the shape and design features of hip roofs in wikipedia s article on hip roofs then you can return here for how to build yours.
A gable roof is fairly simple geometrically but when two gable roof lines intersect the geometry gets more complicated.
Hip which slopes to common eaves on four sides and shed or pent which slopes in only one direction.
The hip roof can have all four sides the same measurement or two long sides and two short sides.
The slope of a hip roof tends to be the same for all four sides.
The second works for all roof types.
After struggling with hip rafters and talking to an old timer or two novice framers discover that joining two roofs isn t that tough for hips and valleys you just cut all your bevels at 45 degrees and use 17 instead of 12 for the run on the framing square.
There are many roof styles but the most common are gable which slopes from a peak to two sides.
How to frame join two gable roof lines.
The framing required at the.
This latest project was in early december in lambeth ontario for a residential home that had an existing sloped or shingled roof that needed to tie into a ne.