How To Tie In Vallys On Shingled Roofs Together

The roofing cement will resist possible leaks overnight.

How to tie in vallys on shingled roofs together.

Ensure ice and water protector has been installed along the valley first. At the bottom of the roof water needs to be. To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition. To secure the roof valley flashing nail it down carefully.

At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing. The shingles are then cut out of the valley area opening the surface of the valley lining to water run off and the environment. 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. Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes.

In addition it is important to avoid nailing the shingles through the valley metal. We re going to do a pitch transition or change. 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. A chalk line is then used to strike a line from the top of the valley to the bottom of the valley.

The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley. 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. String the line along the top of the frame until it meets the shingle roof.

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. Some homeowners prefer the consistent look that a woven valley provides. However these shingles are not run entirely through the valley area but rather the center of the metal valley is left exposed. Then starting at the base of the valley center your first piece of flashing in the valley.

Up from the valley center and cut through the shingles and underlayment. How to shingle a valley with architectural shingles. 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. To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them together.

After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in.