In traditional house framing also called stick framing a basic roof frame consists of opposing pairs of sloping rafters that meet at their top ends at a ridge board or ridge beam.
Picture of ridge line meeting a roof valley.
A hip and valley roof may be part of an irregular structure.
To keep the porch roof framing as simple as possible we installed a structural ridge supported by posts at each end with the common rafters landing on top of the ridge.
The hip valley members are 1 1 2 thick and my intent was to show the bottom surface of roof sheathing meeting at their centers.
Such buildings may have more than four hips in the roofs and they form valleys at the inside corners.
Using a pitch measuring tool that i d made we also determined that the exact pitch of the shed roof was 3 1 2 in 12.
Your observation is correct about the h v line meeting the inside corner of the fascia instead of the outside.
Ridge boards and beams.
Iko recommends that you install architectural shingles with the open valley method for the best roof performance.
This type of roof is also called broken back hip and valley roof because the main hips are intconeected by the rafter of gables on one side and the rafter of the valley on the other.
Part 3 of the four part guide to roof construction covers pitched roof detail.
If you re saying they should be off center please explain.
To get the most out of it is helpful to also read parts 1 and 2.
This recommendation includes iko s premium shingles.
Part 1 a guide to roof construction covers an overview of flat and pitched roofs.
The three methods to shingle a roof valley.
When deciding how to shingle a roof valley you will need to consider your materials the climate and the desired look of the roof.