How To Shingle Valle On The Roof

In addition it is important to avoid nailing the shingles through the valley metal.

How to shingle valle on the roof.

The three methods to shingle a roof 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. When you reach the valley lay the shingles over the valley and trim the edges to the chalk line. 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. Step 6 shingle valley. The underlayment is an integral part of every valley and provides a waterproof base all valley installations require appropriate underlayment layers. You can use a straight edge to achieve a straight cut.

The open woven and closed cut methods are demonstrated. Roof valleys are troughs that discard runoff water where two sections of sloped roof meet. Valleys are a prime leak area so it s important to be careful. 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.

The valleys on many older houses comprise layers of roofing paper which can deteriorate over time. Begin to install roof shingles on either roof face. 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.

From this starter shingle continue moving up the valley roof. Over driving nails is always a. 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. Continue until you reach the top edge of the valley roof.