Placing Shingles On Roof

Pull the drip edge down about a half inch from that line to.

Placing shingles on roof.

Using the chalk line snap a line between the two marks to get a straight edge. Lay a starting row at the bottom of the roof along the edge. Center a minimum 610 mm 24 wide minimum 28 gauge pre finished galvanized metal valley liner in the valley and fasten with only enough nails to hold it in place nailing at the edges only. Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across.

This will help determine how the shingles will lay on the. Starting at the bottom of the roof map out a guideline with chalk. Installing new roof shingles over old effectively doubles the weight of the roofing so you have to make sure your roof structure can handle the extra load. Overlap each metal piece by at least 150 mm 6 and use asphalt plastic cement under each section of overlap.

Preparing the roof 1. That s also why building codes commonly limit re roofing to no more than two layers. To start installing shingles line up aluminum drip edge flush with the edge of the roof and make a pencil line at the. See below for a shopping list tools and steps subscr.

Get the right number of shingles for the job. This saves a lot of time moving shingle bundles and a lot of back strain. It generally takes three bundles of shingles to cover 100 square feet. Not only that the shingles can be piled just to the side of the column being laid.

After completing a column the roofer can go back down to the eave edge of the roof and start laying the next column of shingles. Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles. Measure the length of a shingle as it lies across the roof. Installing roof shingles in 11 steps.

Ask this old house general contractor tom silva reveals the best ways to secure shingles to a roof. Place nails in the three tab shingles about 3 4 inch 1 8 centimeters above the cutouts near where the tab meets the upper part of the shingle.