{"id":994,"date":"2026-10-07T23:47:11","date_gmt":"2026-10-07T16:47:11","guid":{"rendered":"https:\/\/www.skala8.com\/blog\/how-to-inspect-roof-for-damage\/"},"modified":"2026-10-09T00:16:04","modified_gmt":"2026-10-08T17:16:04","slug":"how-to-inspect-roof-for-damage","status":"publish","type":"post","link":"https:\/\/www.skala8.com\/blog\/how-to-inspect-roof-for-damage\/","title":{"rendered":"How to Inspect Roof for Damage: Steps, Tolerances, and Mistakes to Avoid"},"content":{"rendered":"
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You can learn how to inspect roof for damage from the ground with binoculars and a phone, and you should. Most homeowners only notice their roof when a ceiling stain shows up. A twenty minute walk around the house twice a year catches most problems early.<\/p>\n

The trick is knowing which signs matter, which ones are cosmetic, and when the ladder is the right next move. This guide walks through what damage actually looks like on asphalt shingles, what you can safely check from below, when a pro is the cheaper call, and what to do with your notes after.<\/p>\n

What Roof Damage Looks Like and Why It Matters<\/h2>\n

Most roof damage on a North American home shows up first on the asphalt shingle<\/strong> surface. Architectural shingles<\/strong> last roughly 30 years. Older 3-tab shingles<\/strong> give out around 15 to 20 years. Knowing which one is on your house sets the clock.<\/p>\n

Damage usually starts at the seams and penetrations, not in the middle of a shingle field. Flashing<\/strong> is the thin metal that seals transitions where shingles meet a wall, valley, chimney, vent, or skylight. When flashing lifts or rusts, water gets under the shingles and into the roof deck<\/strong>, typically 1\/2 inch plywood or 7\/16 inch OSB.<\/p>\n

Wind, hail, sun, and freeze-thaw cycles each leave a different signature. Wind peels corners and lifts tabs along the rakes and ridge. Hail bruises shingles in random scatter and knocks granules into the gutters. Sun bakes the south and west faces, drying out asphalt and curling the edges. Ice dams shove water back uphill under the bottom course.<\/p>\n

Reading the pattern tells you which force is at work. Standard roof pitch in most US and Canadian codes starts at 4:12 minimum<\/strong> for asphalt shingles per IRC R301.2. Below that, shingles need special underlayment. Wind zones follow the same code: 110 mph standard<\/strong> on the inland baseline, 120 mph or higher in hurricane regions along the Gulf and Atlantic coasts.<\/p>\n

How to Inspect From the Ground<\/h2>\n

Most of what you need is visible without ever leaving the lawn. Start with a slow walk around the house at the right time of day. Morning or late afternoon light rakes across the surface and throws small bumps into shadow. Midday sun flattens everything and hides trouble.<\/p>\n

Stand back far enough to see a whole slope at a glance. A pair of 8×42 binoculars and your phone camera with zoom will cover almost anything. Walk all four sides.<\/p>\n

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  1. Scan each slope for missing, lifted, or curled shingles. Corners and rakes go first because wind catches them.<\/li>\n
  2. Look along the ridge line for unevenness. A sagging ridge can mean the deck has softened underneath.<\/li>\n
  3. Check the valleys where two slopes meet. Valleys carry the most water and wear first.<\/li>\n
  4. Inspect flashing around chimneys, vents, skylights, and any wall intersection. Look for rust streaks, lifted edges, or missing sealant.<\/li>\n
  5. Read the gutters. Granules in the gutter mean the shingle surface is aging out.<\/li>\n
  6. Look straight up at the eaves for a drip edge<\/strong> flashing. The bottom edge should have metal visible, not bare wood.<\/li>\n<\/ol>\n

    Take photos and date them. A picture from the same spot every fall builds a record an insurance adjuster will take seriously. Pair this ground check with our guide on gutter types and installation cost<\/a>, because what flows off the roof tells you what is wearing off the roof.<\/p>\n

    Ground inspection is safe on any single story home and on most two story homes with a visible slope. It is your best tool for an annual check, a post-storm check, or a pre-insurance-renewal check. No ladder required.<\/p>\n

    The Ladder Inspection: What Is Safe to Do Yourself<\/h2>\n

    Ladder work is where a calm weekend project turns into a hospital bill. A few rules keep it on track. Use a stabilized extension ladder rated for your weight, set the base one foot out for every four feet of rise, and tie it off at the top. Never step onto the roof surface itself.<\/p>\n

    \"how
    Ground and ladder checks catch most asphalt shingle wear before leaks start.<\/figcaption><\/figure>\n

    Stay on the ladder with your hips above the rails, lean into the roof edge, and reach only as far as your belt buckle. From the ladder you can do a closer read of the items you flagged from below.<\/p>\n