Nail down each valley shingle at least two inches 50 mm back from the chalk line.
How to shingle a roof valley video.
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.
Valleys are a prime leak area so it s important to be careful.
Nail drip edge flashing to lower edge of roof.
This video demonstrates the proper installation technique for installing roofing valleys.
As shingles are installed on the adjoining roof area the end of each course of shingles is trimmed cut 2 back of.
Begin to install roof shingles on either roof face.
Pry off old roof shingles with pitch fork.
Nail down loose roof sheathing to rafters.
When you reach the valley lay the shingles over the valley and trim the edges to the chalk line.
Weaving a shingle valley by dunn contracting 727 410 5717 james dunn.
Staple felt every 6 to 8 inches.
How to shingle roof valleys how to shingle roof valleys gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys.
Cover roof deck with 30 pound felt underlayment.
The open woven and closed cut methods are demonstrated.
Over driving nails is always a.