Some roofers cut the shingles parallel to the flashing s center ridge.
Install roof shingles valley.
Trim the shingles to these lines and cut a 5 cm triangle off the top corner to direct the water into the valley.
Only nail at the edges with only enough nails to.
To secure the roof valley flashing nail it down carefully.
Place a roofing nail in each corner and one in the center on its appropriate side.
Cut the tabs off of one shingle and lay it on the bottom edge with a 1 4 inch overhang.
Fasten the shingles about 6 inches away from the centerline on both sides.
Nail the drip edge in place using your hammer and roofing nails.
Snipping off the corners of.
Start by laying all shingles on one side of the roofing and stretch it across the valley.
Draw a 2 inch self stick flashing down the center.
Starting at the bottom edge of the valley begin laying down the shingles.
Stretch it about 12 inches across the centerline.
Then starting at the base of the.
Nail the shingles 5 cm back.
Snap two chalk lines from the ridge to the eaves 8 cm apart increasing in width by 1 cm per meter towards the eaves.
Others start with a 3 inch wide.
Install new flashing metal flashing is often called drip edge along the bottom of the roof near your gutters.
Ensure ice and water protector has been installed along the valley first.
Place a piece of sheet metal under the shingles to make sure you will not damage the flashing.
I then move the shingle to the uppermost course on the roof plane line up the mark on the shingle with the valley center and again mark the corner.
Press the shingle into the valley and make sure that it is flat against the surface of the roof.
Quick guide how to install an open valley.