Asphalt shingles are covered with an outer layer of granules that provides color and protects the shingle from UV rays. Some of these granules can come loose over time, which can be worrisome if you don’t know why it happens. In today’s post, local roof replacement company Mascon, Inc. discusses what causes asphalt shingle granule loss and whether you should be worried about it.
How Do Asphalt Shingle Granules Come Loose?
Asphalt shingle granules are made from crushed stone and minerals mixed with coloring agents. They are pressed onto one side of uncut asphalt-soaked sheets and become embedded as the sheets cool down. The granules are not laminated onto the backing material; therefore, it is normal for some of these granules to come loose even right after installation.
As a homeowner, you should keep an eye on how many granules are being shed. During a routine roof inspection, check your gutters for sediment. If the sediment is about an inch deep, you should be concerned — if it’s happening within the roof’s expected lifespan, you may be looking at a sign of premature roofing failure. Continuous granule loss can expose the asphalt layer to damage caused by UV rays.
Can Granule Loss Be Repaired?
Premature granule loss is considered a factory defect, so the only solution is to have it replaced under warranty. This is why it’s important to inspect your roof regularly. The sooner you find such issues and have them repaired, the lower the likelihood of problems like UV damage and water infiltration happening.
It’s important to note that granule loss can also be caused by tree branches scratching the roof’s surface or by impact from airborne debris or hailstones. In most cases, these are not covered by warranties, though some insurance providers may have extended coverage for hail damage. Granule loss is more common when the roof is already past its expected lifespan. In this situation, roof replacement is usually more practical than repair.
Mascon, Inc. is your leading provider of residential and commercial roofing services. Give us a call at (512) 883-9281. You can also fill out our contact form to schedule an appointment. We serve customers in Austin, TX, and the surrounding communities.