Putting New Shingles On Roof

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

Putting new shingles on roof.

It generally takes three bundles of shingles to cover 100 square feet. Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles. 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. 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.

Subscribe on our channel. This will help determine how the shingles will lay on the. Remove old shingles and. Installing a new roof over shingles takes less time than tearing off the old roof.

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. Get the right number of shingles for the job. Before laying down shingles you need to protect the roof with sheathing. Looks just as good and lasts as long.

Pull the drip edge down about a half inch from that line to. To start installing shingles line up aluminum drip edge flush with the edge of the roof and make a pencil line at the. Continue to chalk additional guidelines based on the width of the shingle through at least four courses rows across. 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.

Manufacturers will still. Many pros shingle in a vertical line up the roof because it s much faster. That s also why building codes commonly limit re roofing to no more than two layers. Using the chalk line snap a line between the two marks to get a straight edge.

Installing roof shingles in 11 steps. Has the same manufacturer s warranty. Begin this layer at the bottom of. 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.

Preparing the roof 1. Http bit ly 1i96g9c diy roof diy shingle apply bitumen shingles install bituminous roofing renovation roof new roof g.