Putting New Shingles On Roof

Measure the length of a shingle as it lies across the roof.

Putting new shingles on roof.

Installing asphalt shingles over an existing shingle roof it s not ideal to install new shingles without removing the old ones but follow this pro advice if you do. Using the chalk line snap a line between the two marks to get a straight edge. What you need power nailer or roofing hatchet tape measure roofing shovel or flat pry bar hammer drill carpenter s square straight cut tin snips utility knife chalkline broom. Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across.

Looks just as good and lasts as long. Many pros shingle in a vertical line up the roof because it s much faster. Pull the drip edge down about a half inch from that line to. Installing a new roof over shingles takes less time than tearing off the old roof.

Installing roof shingles in 11 steps. Although placing new roofing over old may be allowed by some codes roofovers tend to be inferior and won t last as long as a roof installed over stripped sheathing. Begin this layer at the bottom of. Known in the trade as vertical racking or staggering this how to lay shingles method enables the roofer to install a single column of shingles all the way to the peak without the wasted back and forth motion necessary to fill several rows of stair steps.

As long as it s done right and under the right conditions installing new shingles over old ones can last as long and look just as good as a complete re roof. That s also why building codes commonly limit re roofing to no more than two layers. Subscribe on our channel. Http bit ly 1i96g9c diy roof diy shingle apply bitumen shingles install bituminous roofing renovation roof new roof g.

It generally takes three bundles of shingles to cover 100 square feet. To start installing shingles line up aluminum drip edge flush with the edge of the roof and make a pencil line at the. Starting at the bottom of the roof map out a guideline with chalk. Get the right number of shingles for the job.

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. Before laying down shingles you need to protect the roof with sheathing. Preparing the roof 1. This will help determine how the shingles will lay on the.

Has the same manufacturer s warranty. Remove old shingles and.