In Oregon, roofing advice is everywhere, from your neighbor’s “guy who knows roofs” to Facebook groups full of conflicting tips. The problem? Much of it is outdated, misinformed, or flat-out wrong. Let’s break down the most common myths and give you real facts from trusted industry leaders.
Myth 1: Metal roofs are noisy in the rain
The Truth: Modern metal roofing is installed over solid sheathing and insulation, making it no louder than an asphalt shingle roof. In some cases, it’s quieter.
Learn More: Metal Roofing Alliance explains the noise myth in detail.
Myth 2: You can just layer new shingles over old ones
The Truth: While it may save money up front, it traps heat, hides damage, and adds unnecessary weight to your roof. Many warranties won’t cover layered shingles.
Learn More: GAF’s Roofing Over an Existing Roof Guide
Myth 3: Roof maintenance isn’t necessary until there’s a leak
The Truth: Leaks are often the last stage of a roofing problem. Regular inspections can catch loose flashing, small cracks, or moss growth before they become costly repairs.
Learn More: Owens Corning Roof Maintenance Tips
Myth 4: A new roof will last its full “rated” lifespan without care
The Truth: Ratings are based on ideal conditions. In Oregon, heavy rain, moss, and temperature swings can shorten that lifespan if you don’t maintain your roof.
Learn More: CertainTeed Roofing Lifespan Information
Myth 5: All roofing materials work equally well in Oregon
The Truth: Our wet winters, moss-friendly shade, and summer heat waves mean some materials outperform others. Malarkey shingles, for example, are made for the Pacific Northwest.
Learn More: Malarkey Roofing Products – PNW Advantage
Myth 6: Metal roofs attract lightning
The Truth: Metal roofs do not increase the risk of lightning strikes. In fact, they’re safer than many other materials because they’re non-combustible.
Learn More: Metal Construction Association Lightning Safety Info
Myth 7: Roof color doesn’t affect your home’s temperature
The Truth: Light-colored and reflective shingles can keep attics cooler in summer. In heat waves, this can lower cooling costs.
Learn More: Energy Star Cool Roof Products
Myth 8: Moss makes your roof look “rustic” and harmless
The Truth: Moss holds moisture, lifts shingles, and rots roof decking. It’s a top cause of early roof replacement in the PNW.
Learn More: ARMA Guide to Algae, Mold, and Moss Prevention
Myth 9: Roof repairs are a good DIY weekend project
The Truth: Without proper safety gear, training, and materials knowledge, DIY repairs can make problems worse — and void warranties.
Learn More: GAF Homeowner Roof Safety Tips
Myth 10: All roofing companies are the same
The Truth: Quality varies greatly between contractors. Look for certifications, manufacturer partnerships, and local references before hiring.
Learn More: Owens Corning Roofing Contractor Network
