As shingles are installed on the adjoining roof area the end of each course of shingles is trimmed cut 2 back of.
How to shingle a roof valley video.
To shingle out of the valley with laminated shingles lay a shingle down as a gauge and mark the corner at the bottom left and top right of the roof.
The open woven and closed cut methods are demonstrated.
The open woven and closed cut methods are demonstrated.
Nail down each valley shingle at least two inches 50 mm back from the chalk line.
When you reach the valley lay the shingles over the valley and trim the edges to the chalk line.
The most common closed valley is a closed cut valley where shingles are installed on the entire roof area on one side of the valley first with each shingle course extending at least 12 through the valley centerline.
You can use a straight edge to achieve a straight cut.
This video demonstrates the proper installation technique for installing roofing valleys.
Begin to install roof shingles on either roof face.
Valleys are a prime leak area so it s important to be careful.
Over driving nails is always a.