Roof Shingles Cut By Insatllers

Roofers install these dormers as they install the rest of the roof.

Roof shingles cut by insatllers.

From the ground it looks as the shingles meet in a clean line in the center of the valley. Other composition shingles such as architectural and random cutouts are installed using most of the same techniques. It s critical to flash around plumbing stacks and attic vents because they are the most common roof penetrations. The 3 tab asphalt shingle also called a composition shingle or fiberglass shingle is the most common type of roofing shingle.

This video demonstrates the proper installation technique for installing roofing valleys. Shorten the shingle of a tab. Reduces installation time by up to 60. You can save a few bucks using pre cut starter strips instead of using a whole shingle.

Pre cut and pre assembled for quick installation and a flawless finish. It stops water from getting through to the roof at the gaps between shingles and at the notches between tabs. Inside and outside corners available. Cut your last shingle on each row to size repeating all the way to the ridge.

Butt a full shingle up against the cut shingle and nail into place. Closed cut shingle valley installation. Install the starter strip which is just a backing for the first visible row of shingles. 2nd course and following ones.

Makes shingle installation more efficient and economical while retaining the authentic look of individual shingles. One layer of shingles actually crosses the valley beneath the other. Cut a 50 mm 2 triangle off the top corner to direct water into the valley and embed the valley end of each shingle into a 75 mm 3 band of asphalt plastic cement. Once you ve reached the ridge bend the shingle over the ridge so that each side is equal and nail it into place with a single nail on each side.

Fix the roof shingle so that the lower end of the headlap is aligned with the top of the 1st row shingle cut out. When the shingle row gets to the dormer they keep going and maintain the regular straight row of shingles. Start with a complete shingle and continue fitting the roof shingles on the first row. Closed cut valleys are installed quickly and have a cleaner sharper look than woven valleys.

Use 4 nails per shingle and 6 nails on the prevailing windward sides of the roof as wind resistance nailing. Do the same with the next shingle continuing this step until you get to the far edge of the ridge. If the eyebrow curves dramatically this is best done with thinner more flexible traditional shingles over laminate shingles. The open woven and closed cut methods are demonstrated.