To patch rolled roofing, you need to clean the damaged area, apply roofing cement, and secure a patch over the hole or tear. Rolled roofing is a budget-friendly option that many homeowners choose for flat or low-slope roofs. According to industry data, asphalt roofing materials account for approximately 80% of residential roofing projects in the U.S. Patching rolled roofing is a simple DIY repair that can save you money before a full replacement becomes necessary. Most patches take less than an hour to complete. This guide will walk you through the steps to fix your rolled roof quickly.
What Materials Do You Need?
You will need roofing cement, a patch kit, a utility knife, and a roller or brush. Most patch kits come with adhesive and patch material already included. You may also need a wire brush to clean off dirt and loose debris.
A paint roller helps press the patch down firmly into place. Make sure the patch material matches your rolled roofing type.
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How Do You Prepare the Damaged Area?
Start by cleaning the area around the damage. Use a wire brush to remove dirt, moss, and loose material. The surface must be dry and clean for the cement to stick properly.
Cut away any torn edges with a utility knife. According to RubyHome, roof installation costs range from $4 to $40 per square foot, but DIY repairs like patching can save approximately 50% compared to hiring a professional. Make a square or rectangle around the damage rather than leaving jagged edges.
What Are the Patching Steps?
Apply a generous layer of roofing cement to the cleaned area. Place the patch over the damaged spot and press it down firmly. Use your roller to smooth out air bubbles and ensure good contact with the roof surface.
Apply another layer of cement around the edges of the patch. This creates a watertight seal. Allow the cement to dry according to the product instructions, typically 24 hours.
| Patching Step | Time Required |
|---|---|
| Clean and prepare area | 10 minutes |
| Cut patch material | 5 minutes |
| Apply cement and patch | 15 minutes |
| Seal edges | 10 minutes |
| Drying time | 24 hours |
When Should You Replace Instead of Patch?
If your rolled roof has multiple leaks or is very old, replacement may be better than patching. According to RubyHome, the average roof replacement cost is $9,526, with a range of $5,868 to $13,217. Rolled roofing typically lasts 25 to 50 years on average. According to industry data, 33% of homeowners replace roofs due to leaking, while 33% have storm damage as the reason.
If patching becomes a regular task, your roof likely needs full replacement soon. Professional roofers can inspect your roof and advise whether patching or replacement makes sense for your situation.
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Talk with a local professional roofer to review your options and get a detailed estimate for your project.