How Do You Shingle A Valley Roof?
Roof lines create dramatic effects and add to the overall style and feel of a home. When it comes time to put shingles on a valley roof, special care and attention is needed to keep the valley free from leaks. Remember, more water travels through the valley on a roof than any other part of the roof. Mark the valley with a chalk line. The lines should go 9 inches and 18 inches on either side of the valley. Lines are parallel with the valley. Lay an 18-inch-wide piece of flashing down the middle of the valley, using the lines as a guide. Mark the end of the flashing according to the angle at the edge of the roof. Cut the flashing to match the angle of the roof line. Nail the flashing down to the roof by placing nails along the outer edge of the flashing. Spread roofing cement along the outer edges of the flashing to seal the flashing and cover the nails. Lay a 36-inch-wide piece of waterproof roofing material centered along the valley. Mark the end of the material along the roof edge as
