How To Shingle Valle On The Roof

Valleys are a prime leak area so it s important to be careful.

How to shingle valle on the roof.

As the asphalt shingles are installed over the roof deck the shingles are extended into the valley. The underlayment is an integral part of every valley and provides a waterproof base all valley installations require appropriate underlayment layers. Over driving nails is always a. Nail down each valley shingle at least two inches 50 mm back from the chalk line.

Roof valleys are troughs that discard runoff water where two sections of sloped roof meet. From this starter shingle continue moving up the valley roof. The open woven and closed cut methods are demonstrated. Step 6 shingle valley.

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. In addition it is important to avoid nailing the shingles through the valley metal. 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. You can use a straight edge to achieve a straight cut.

Preparation of the valley with an underlayment is a critical part of your roof installation. Roof installation how to shingle a valley hd by roofrepair101 more about roofing at. Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys. Begin to install roof shingles on either roof face.

The next shingle should be directly atop the first one. 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 three methods to shingle a roof valley.