How To Finish A Roof Valley

Install the drip edge on the gable ends of the roof after you finish installing your underlayment.

How to finish a roof valley.

At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing. With a clean valley you can lay down some peel and stick roofing membrane. Weaving a shingle valley by dunn contracting 727 410 5717 james dunn. The cut edge then is sealed with roof cement.

Use a tin snips to cut the drip edge to size. Then starting at the base of the. Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes. Only nail at the edges with only enough nails to.

With sheet metal protecting the lower layer of shingles the shingles on top are cut back to the line right. First clean the debris out of the valley including sawdust nails and whatever else is in there. Fold the top over the roof ridge and cut the bottom along the drip edge metal. Weaving a shingle valley by dunn contracting 727 410 5717 james dunn.

How to do it determine cuts. Snipping off the corners of. 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. I finish the cut edge with a double bead of roof cement the same as for the open metal 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. When all the shingles are installed to the guide line the cutline is resnapped left. Others start with a 3 inch wide. Roof installation how to shingle a valley hd by roofrepair101 more about roofing at.

The top joinery of both valleys when they meet on the same plane of roof is shown here. Nail it every couple of feet. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing. To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition.

Install synthetic roofing. To secure the roof valley flashing nail it down carefully. I have my valley custom made with water trough to help with leaking b.