To start roofing shingles, you need to prepare the roof deck, add underlayment, then nail down rows of shingles from bottom to top. Roofing shingles are the most popular choice in the U.S., with asphalt shingles accounting for nearly 80% of all residential roofing projects, according to industry data. Before you begin, make sure you have the right tools, materials, and safety gear. You will also need to understand the basic steps and follow local building codes. This job takes time and care to do right.
What Materials Do You Need?
The first step is gathering your supplies. You will need asphalt shingles, roofing nails, underlayment, starter shingles, flashing, and a nail gun or hammer.
Asphalt shingles come in three types: basic three-tab, architectural, and premium. According to RubyHome, basic asphalt shingles cost $4.25 to $4.95 per square foot, while architectural shingles run $4.50 to $8.25 per square foot. A typical 1,700 square foot roof will need about 17 squares of shingles.
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How Do You Prepare the Roof Deck?
Before laying shingles, inspect the roof deck for damage. Fix any soft spots or rotted wood.
Add underlayment next. This protective layer goes between the deck and shingles. It helps block water and extends roof life. Install it from the bottom up, overlapping each row by a few inches.
What Is the Right Way to Install Shingles?
Start at the bottom of the roof with starter shingles. These strip away the adhesive backing and stick them in a straight line. Use four to six nails per shingle.
Add your first row of shingles above the starter strip. Offset each row by half a shingle to prevent water leaks. Keep driving nails straight and flush with the shingle surface, not too deep.
According to RubyHome, roof installation costs range from $4 to $40 per square foot, depending on labor and location. The average roof replacement costs $9,526, but DIY work can save about 50% if done right.
How Long Will Your Roof Last?
Asphalt shingles typically last 20 to 30 years. According to RubyHome, three-tab asphalt shingles last about 20 years, while architectural shingles last 30 years. Proper installation and regular maintenance help them last longer.
Keep gutters clean and trim trees away from your roof. According to industry data, 33% of roofs are replaced due to leaking, and 33% due to storm damage. Good maintenance prevents these problems.
| Shingle Type | Cost per Sq. Ft. | Lifespan |
|---|---|---|
| Basic Asphalt | $4.25, $4.95 | 20 years |
| Architectural Asphalt | $4.50, $8.25 | 30 years |
| Metal Roofing | $10.00, $17.05 | 40, 80 years |
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Talk with a local roofing contractor to review your options and get a detailed estimate for your project.