How To Trim Asphalt Shingles At Edge Of Roof

A continuous bead of asphalt could trap condensation or windblown water under the roofing at some point.

How to trim asphalt shingles at edge of roof.

Position the side of hook knife against the drip edge beneath the shingle with the blade facing upward against the. Are there any gaps buckled eaves or irregularities in this line. Looking for tips on best technique and tools to use to trim the shingles on the edge where they re overhanging the eave. Cover your roof with felt paper and overlap the ridges at the peak.

Install the drip edge. If so you. Install flashing on any valleys for waterproofing. Gently lift up the shingles on the edge of the roof and locate the nails holding the existing drip edge onto the roof.

Strip off old shingles. Nail the shingles with no tabs such as precut pro start shingles and apply asphalt cement from a caulk gun in many dots along the drip edge under the edge then press the tab less shingles down onto the line of asphalt cement dots with adequate spaces between the dots. Install the self stick underlayment. Install your starter row of shingles at the bottom of your roof making sure to follow the.

Typically this will happen when you need to trim an edge off several shingles at once such as downsizing all the pieces that will go along the edge of the roof. Use a flat pry bar and hammer to pry the nails out of the drip edge gently. I installed a roof on a small shed total roof size 7 x 11 using asphalt shingles. Basic steps to replacing a shingle roof.

To level out an existing asphalt shingle roof rip down reduce the height of two courses of shingles as shown in the drawing below. After each shingle line has been laid one shingle will overhang the rake edge. You ll need to use a strong tipped saw blade such as one designed for cutting through old nails otherwise it will wear down extremely fast from cutting through the shingles. Hold a ruler or yardstick over your shingle 1 2 inch beyond the roof line.

Along the rakes install a new j channel drip edge which wraps around the old rake flashing and starter courses. Inspect the roof line of your house.