Installing New Shingles On A Roof

Start by laying asphalt felt or other underlayment over the roof.

Installing new shingles on a roof.

Using your staple gun secure the felt to the roof. Step one in any roofing project is always safety first. Understand the physics of how a sloped shingle roof works. How to install asphalt shingles 1.

To start installing shingles line up aluminum drip edge flush with the edge of the roof and make a pencil line at the. Using the chalk line snap a line between the two marks to get a straight edge. Nail metal flashing called drip edge along the bottom edge of the roof deck near the gutters. Install new flashing metal.

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. 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. Installing roof shingles in 11 steps. Use sticky back ice and water shield as underlayment where ice dams or leaf and twig dams are likely to build up and at.

Asphalt roofing shingles simply rely on the force of. That s also why building codes commonly limit re roofing to no more than two layers. Pull the drip edge down about a half inch from that line to. Overlap each row at least 3 to 4 inches.