Installing Asphalt Shingles On A Roof

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.

Installing asphalt shingles on a roof.

Understand the physics of how a sloped shingle roof works. Install new flashing metal. With one or two helpers you ll be able to shingle a 1 500 square foot roof in about two days. Below 40 f shingles are brittle and crack easily when hammered or bent.

Asphalt roofing shingles simply rely on the force of. Using your staple gun secure the felt to the roof. The bottom row of the shingles may overlap the starter strip entirely so that it also overhangs the roof by 0 25 inch. Overlap each row at least 3 to 4 inches.

Hold the shingles with the help of nails. If you live in an area with inclement weather you should consider using a special ice and water protector. Above 85 f it is easy to tear the shingles or mar the granular coating. Installation temperature requirements for asphalt shingle roofs ideally shingles should be installed at temperatures ranging from 40 f to 85 f.

Ask this old house general contractor tom silva reveals the best ways to secure shingles to a 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. Working at heights on a roof presents fall hazard risks and.

Start installing the shingles from the lower left hand corner of the roof. Nail metal flashing called drip edge along the bottom edge of the roof deck near the gutters. See below for a shopping list tools and steps subscr. Step one in any roofing project is always safety first.

How to install asphalt shingles 1.