How To Shingle Valle On The Roof

Preparation of the valley with an underlayment is a critical part of your roof installation.

How to shingle valle on the roof.

Over driving nails is always a. In addition it is important to avoid nailing the shingles through the valley metal. Step 6 shingle valley. Nail down each valley shingle at least two inches 50 mm back from the chalk line.

Begin to install roof shingles on either roof face. Roof valleys are troughs that discard runoff water where two sections of sloped roof meet. You can use a straight edge to achieve a straight cut. From this starter shingle continue moving up the valley roof.

I then move the shingle to the uppermost course on the roof plane line up the mark on the shingle with the valley center and again mark the corner. Each successive shingle should be then placed with a six inch overlap or until the adhesive strip contacts the bottom of the shingle tabs. Continue until you reach the top edge of the valley roof. However these shingles are not run entirely through the valley area but rather the center of the metal valley is left exposed.

Valleys are a prime leak area so it s important to be careful. The next shingle should be directly atop the first one. The open woven and closed cut methods are demonstrated. The valleys on many older houses comprise layers of roofing paper which can deteriorate over time.

The underlayment is an integral part of every valley and provides a waterproof base all valley installations require appropriate underlayment layers. The three methods to shingle a roof valley. Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys. When you reach the valley lay the shingles over the valley and trim the edges to the chalk line.