How To Shingle Valle On The Roof

The open woven and closed cut methods are demonstrated.

How to shingle valle on the roof.

You can use a straight edge to achieve a straight cut. Roof valleys are troughs that discard runoff water where two sections of sloped roof meet. Continue until you reach the top edge of the valley roof. Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys.

Over driving nails is always a. The underlayment is an integral part of every valley and provides a waterproof base all valley installations require appropriate underlayment layers. However these shingles are not run entirely through the valley area but rather the center of the metal valley is left exposed. The three methods to shingle a roof valley.

In addition it is important to avoid nailing the shingles through the valley metal. The valleys on many older houses comprise layers of roofing paper which can deteriorate over time. The next shingle should be directly atop the first one. Begin to install roof shingles on either roof face.

When you reach the valley lay the shingles over the valley and trim the edges to the chalk line. 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. Valleys are a prime leak area so it s important to be careful. 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.

From this starter shingle continue moving up the valley roof. Nail down each valley shingle at least two inches 50 mm back from the chalk line. As the asphalt shingles are installed over the roof deck the shingles are extended into the valley. Each successive shingle should be then placed with a six inch overlap or until the adhesive strip contacts the bottom of the shingle tabs.