How To Finish A Roof Valley

To secure the roof valley flashing nail it down carefully.

How to finish a roof valley.

The cut edge then is sealed with roof cement. 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. Ensure ice and water protector has been installed along the valley first.

Then starting at the base of the. When all the shingles are installed to the guide line the cutline is resnapped left. I finish the cut edge with a double bead of roof cement the same as for the open metal valley. I have my valley custom made with water trough to help with leaking b.

Some roofers cut the shingles parallel to the flashing s center ridge. Snipping off the corners of. To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition. Only nail at the edges with only enough nails to.

Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes. At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing. The top joinery of both valleys when they meet on the same plane of roof is shown here. Others start with a 3 inch wide.

How to do it determine cuts. Nail it every couple of feet. The valley rafter is marked for a 12 in 17 pitch and then cut with a double bevel to fit into the ridge intersection. With sheet metal protecting the lower layer of shingles the shingles on top are cut back to the line right.

With a clean valley you can lay down some peel and stick roofing membrane. Roof installation how to shingle a valley hd by roofrepair101 more about roofing at. Install the drip edge on the gable ends of the roof after you finish installing your underlayment. 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.

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. Use a tin snips to cut the drip edge to size. First clean the debris out of the valley including sawdust nails and whatever else is in there.