To install rolled roofing, you need to prepare your roof deck, add underlayment, and then roll out the roofing material in overlapping strips while securing it with nails and adhesive. Rolled roofing is a budget-friendly option that works well for flat or low-slope roofs. It comes in big rolls that are easy to handle compared to shingles. The process takes one to two days for most homes. According to industry data, roof installation costs range from $4 to $40 per square foot, making rolled roofing one of the cheapest options available. This guide walks you through each step so you can do it right the first time.
What Do You Need Before Starting?
First, gather your tools and materials. You will need a utility knife, roofing nails, a hammer, roofing cement, a broom, and a ladder. Check that your roof deck is clean and dry. Remove any dirt, leaves, or old roofing material. The deck must be solid and flat.
Look for any holes or soft spots. Fix them now or they will cause problems later. According to This Old House, the average U.S. roof size is 2,647 square feet or 26.47 squares. Know your roof size before you buy materials.
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How Do You Lay Down the Underlayment?
Underlayment is a protective layer that goes under your rolled roofing. It stops water from getting to your roof deck. Roll it out from one end of your roof to the other. Overlap each strip by at least 4 inches.
Secure the underlayment with roofing nails every 12 inches along the edges and seams. This keeps it from moving when you add the rolled roofing on top.
What Is the Best Way to Roll Out the Roofing?
Start at the lowest part of your roof. Unroll your roofing material slowly. Apply roofing cement to the roof deck as you go. This sticky glue helps the roofing stay in place. Roll the material out in one long strip.
Overlap the next strip by 6 inches. According to RubyHome, basic asphalt roofing costs between $4.25 and $4.95 per square foot when installed. Use roofing nails to secure both edges and the seams. Space nails 12 inches apart along the edges and 18 inches apart in the middle of each strip.
How Long Does Rolled Roofing Last?
Rolled roofing lasts about 10 to 15 years with good care. According to RubyHome, modified bitumen rolled roofing can last around 20 years. The lifespan depends on your climate and how well you maintain it. Clean your gutters twice a year. Remove leaves and debris from the roof. Inspect your roof every spring and fall for damage.
According to industry data, 31% of homeowners pursued roof renovation, repair, or maintenance in the last 3 years. Early repairs save money later. If you spot cracks or leaks, fix them right away.
| Roofing Material | Cost per Sq. Ft. | Lifespan |
|---|---|---|
| Rolled Roofing | $4, $6 | 10, 20 years |
| Asphalt Shingles | $4.25, $8.25 | 20, 30 years |
| Metal Roofing | $5.50, $17.05 | 40, 80 years |
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Talk with a local professional roofer to review your options and get a detailed estimate for your project.