How To Shingle Valle On The Roof

As the asphalt shingles are installed over the roof deck the shingles are extended into the valley.

How to shingle valle on the roof.

From this starter shingle continue moving up the valley roof. You can use a straight edge to achieve a straight cut. Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys. Roof valleys are troughs that discard runoff water where two sections of sloped roof meet.

The next shingle should be directly atop the first one. Preparation of the valley with an underlayment is a critical part of your roof installation. 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. When you reach the valley lay the shingles over the valley and trim the edges to the chalk line.

The valleys on many older houses comprise layers of roofing paper which can deteriorate over time. The open woven and closed cut methods are demonstrated. The underlayment is an integral part of every valley and provides a waterproof base all valley installations require appropriate underlayment layers. 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. Roof installation how to shingle a valley hd by roofrepair101 more about roofing at. The three methods to shingle a roof valley. Begin to install roof shingles on either roof face.

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. However these shingles are not run entirely through the valley area but rather the center of the metal valley is left exposed. Over driving nails is always a. Nail down each valley shingle at least two inches 50 mm back from the chalk line.