How To Roof A Dormer Valley

Run a bead of sealant on the corner edge of the dormer flashing and then run that step flashing past the dormer flashing the same distance you made your cut.

How to roof a dormer valley.

Step 2 lay down underlayment felt. Only nail at the edges with only enough nails to. Wide strip of ice and water barrier. You will need to install metal flashing along the valley where the dormer meets the original roof.

Plus cutting the closed cut valley shingles can happen after the rest of the roof is shingled. Mark the inside edges of the dormer s sidewalls in chalk. Whether you re tying in new gable dormers or adding a chimney cricket during roof framing giving the valley jacks a place to land is an easy task with these step by step instructions. Step 5.

The top joinery of both valleys when they meet on the same plane of roof is shown here. Nail the dormer flashing to both the wall and the shingles. Then install a preformed galvanized metal valley or use other methods approved by your building inspector. Install metal flashing at every dormer roof to main roof connection.

Closed cut valley even if i work toward the valley with three tab shingles cut valleys are faster than woven valleys hands down. With a closed cut valley there s no need to shingle the two roof planes at the same time. Cover the valley and roof edges with a 36 in. A no math approach to valley plates.

Step 4 start installing shingles. Remove the shingles and the sheathing board from the area of the roof where the dormer will constructed. Step 3 install starter shingle row. Then starting at the base of the.

Ensure ice and water protector has been installed along the valley first. Step 1 install flashing and drip edge. Cut with a tin snips at the bend in the first step flashing. I have my valley custom made with water trough to help with leaking b.

How to shingle a roof dormer. Install the valley rafters using a straightedge to assure that they are properly aligned with the tops of the common rafters. To secure the roof valley flashing nail it down carefully.