Now it has risen on its spine and is resting parallel to the roof peak.
The ridge vent is positioned over a gap (this must be cut) in the roof peak.
In some cases, all that could be seen of houses were the shingles at roof peaks.
The 3 1/2 story building features a one bay, temple style entrance porch and a "widow's walk" on the roof peak.
To replace shingles at the roof peak, do not try to remove the damaged ones.
They stepped across the roof peak until they were directly above the vent pipe.
To repair shingles at a roof peak, do not remove the damaged ones.
Obviously you need a ladder long enough to reach your home's highest ceiling or roof peak.
Ideally, the vent should be centered under the roof peak.
I also installed one louver near the roof peak.