Always install flashing around a chimney and other valleys where two roof planes meet as these areas are more prone to leaks if not protected.
Install roof shingles valley.
Snipping off the corners of.
To shingle out of the valley with laminated shingles lay a shingle down as a gauge and mark the corner at the bottom left and top right of the roof.
To secure the roof valley flashing nail it down carefully.
Snap two chalk lines from the ridge to the eaves 8 cm apart increasing in width by 1 cm per meter towards the eaves.
Nail the drip edge in place using your hammer and roofing nails.
Starting at the bottom edge of the valley begin laying down the shingles.
Start by laying all shingles on one side of the roofing and stretch it across the valley.
Stretch it about 12 inches across the centerline.
Fasten the shingles about 6 inches away from the centerline on both sides.
How to do it determine cuts.
Press the shingle into the valley and make sure that it is flat against the surface of the roof.
Ensure ice and water protector has been installed along the valley first.
Quick guide how to install an open valley.
Install new flashing metal flashing is often called drip edge along the bottom of the roof near your gutters.
Others start with a 3 inch wide.
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.
Nail the shingles 5 cm back.
Place a piece of sheet metal under the shingles to make sure you will not damage the flashing.
Some roofers cut the shingles parallel to the flashing s center ridge.
Then starting at the base of the.
Draw a 2 inch self stick flashing down the center.
Trim the shingles to these lines and cut a 5 cm triangle off the top corner to direct the water into the valley.