How To Finish A Roof Valley

Some roofers cut the shingles parallel to the flashing s center ridge.

How to finish a roof valley.

The valley rafter is marked for a 12 in 17 pitch and then cut with a double bevel to fit into the ridge intersection. To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition. I finish the cut edge with a double bead of roof cement the same as for the open metal valley. On the common rafters the plumb cut is marked with a framing square for a 12 in 12 pitch 45 and cut square i e no bevel.

I have my valley custom made with water trough to help with leaking b. Use a tin snips to cut the drip edge to size. Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes. How to do it determine cuts.

Snipping off the corners of. At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing. With sheet metal protecting the lower layer of shingles the shingles on top are cut back to the line right. Roof installation how to shingle a valley hd by roofrepair101 more about roofing at.

With a clean valley you can lay down some peel and stick roofing membrane. Install synthetic roofing. When all the shingles are installed to the guide line the cutline is resnapped left. Install the drip edge on the gable ends of the roof after you finish installing your underlayment.

Fold the top over the roof ridge and cut the bottom along the drip edge metal. The cut edge then is sealed with roof cement. Weaving a shingle valley by dunn contracting 727 410 5717 james dunn. Ensure ice and water protector has been installed along the valley first.

Start at the bottom side of the gable and overlap the sections of drip edge a few inches as you work your way up the roof see figure a. The top joinery of both valleys when they meet on the same plane of roof is shown here. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing. Weaving a shingle valley by dunn contracting 727 410 5717 james dunn.

Then starting at the base of the. To secure the roof valley flashing nail it down carefully. Nail it every couple of feet.