Installing Asphalt Shingles On A Roof

Installation temperature requirements for asphalt shingle roofs ideally shingles should be installed at temperatures ranging from 40 f to 85 f.

Installing asphalt shingles on a roof.

You can install shingles by hand using a roofing hatchet but the work will go more slowly. Understand the physics of how a sloped shingle roof works. 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. Start installing the shingles from the lower left hand corner of the roof.

Start by laying asphalt felt or other underlayment over the roof. Use sticky back ice and water shield as underlayment where ice dams or leaf and twig dams are likely to build up and at. 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. With one or two helpers you ll be able to shingle a 1 500 square foot roof in about two days.

Overlap each row at least 3 to 4 inches. Below 40 f shingles are brittle and crack easily when hammered or bent. A pneumatic nail gun starting at 119 the home depot makes quick work of fastening shingles. Nail metal flashing called drip edge along the bottom edge of the roof deck near the gutters.

Using your staple gun secure the felt to the roof. Hold the shingles with the help of nails. Above 85 f it is easy to tear the shingles or mar the granular coating. The bottom row of the shingles may overlap the starter strip entirely so that it also overhangs the roof by 0 25 inch.

Ask this old house general contractor tom silva reveals the best ways to secure shingles to a roof. Step one in any roofing project is always safety first. Install new flashing metal. Working at heights on a roof presents fall hazard risks and.

How to install asphalt shingles 1.