How To Finish A Roof Valley

Weaving a shingle valley by dunn contracting 727 410 5717 james dunn.

How to finish a roof valley.

I finish the cut edge with a double bead of roof cement the same as for the open metal valley. 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. With a clean valley you can lay down some peel and stick roofing membrane. At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing.

To secure the roof valley flashing nail it down carefully. Install synthetic roofing. First clean the debris out of the valley including sawdust nails and whatever else is in there. The top joinery of both valleys when they meet on the same plane of roof is shown here.

To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition. Weaving a shingle valley by dunn contracting 727 410 5717 james dunn. How to do it determine cuts. With sheet metal protecting the lower layer of shingles the shingles on top are cut back to the line right.

Place a piece of sheet metal under the shingles to make sure you will not damage the flashing. The cut edge then is sealed with roof cement. I have my valley custom made with water trough to help with leaking b. Nail it every couple of feet.

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. Then starting at the base of the. 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. 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.

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. Snipping off the corners of. Use a tin snips to cut the drip edge to size.