How To Tie In Vallys On Shingled Roofs Together

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.

How to tie in vallys on shingled roofs together.

How to shingle a valley with architectural shingles. To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition. A chalk line is then used to strike a line from the top of the valley to the bottom of the valley. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.

We re going to do a pitch transition or change. Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes. We need to do something where that change happens so the panels can go down and water can come off hit the lower slope and come off the roof. At the bottom of the roof water needs to be.

To secure the roof valley flashing nail it down carefully. String the line along the top of the frame until it meets the shingle roof. The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley. The shingles are then cut out of the valley area opening the surface of the valley lining to water run off and the environment.

After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in. 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. Mark this point of the. The roofing cement will resist possible leaks overnight.

To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them together. Step flashing protects the gap where roofs meet walls by weaving into the roof shingles. Up from the valley center and cut through the shingles and underlayment. However these shingles are not run entirely through the valley area but rather the center of the metal valley is left exposed.

Ensure ice and water protector has been installed along the valley first. In addition it is important to avoid nailing the shingles through the valley metal. At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing. But if the shingles are not laid properly in the valley a woven valley may not lay flat creating bumps and detracting from the overall look of the roof.

You ll have a steeper part of your roof turning into a lower slope so there s a steeper pitch up top and a lower pitch on the bottom.