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3 Visual Signs Of Roof Shingle Damage

8 May 2023 by Leslie Turner

Sometimes, roof damage is obvious. If a shingle falls off your roof, then it will leave a visible gap or broken parts on the ground. However, sometimes, shingles develop damage that isn't as obvious but that can be seen with a simple visual check.

For example, you can check the condition of shingles from the ground if you have a clear view of your roof. You can use a pair of binoculars to get a closer view if you wish. What signs of damage might you see when you look at your roof?

1. Your Shingles Don't Lie Flat

You can often spot shingle damage from a distance. If your shingles are in good shape, then your roof looks flat. However, if you have one or more problem shingles, then your roof might look bumpy.

For example, weather-damaged shingles can curl up. If a shingle curls, then it won't sit flat. That part of your roof will stick out.

The shingle also won't give your roof enough protection. Water can get inside the structure in the gaps left open by its change of shape.

2. Your Shingles Don't All Look the Same

Your shingles should all look more or less the same. If you notice that some parts of your roof look different from the rest, then you might have some damage in that area.

For example, asphalt shingles have a bumpy granular protective coating. This coating can wear off over time. Once it does, the affected shingles become weaker and less able to protect the home. If this happens, then some of your roof might look smoother than the rest. Some shingles might look bald and shiny.

Some smooth shingles can also blister. You might be able to see some blisters or might simply notice that a shingle looks bumpier than its neighbors.

Blistering can be a sign that a shingle is just too old and needs to be replaced. However, it can also be a sign that moisture has gotten under the shingle.

3. Your Shingles Have Algae on Them

Algae is a common roof problem. This is an easy problem to spot. Some of your shingles will be covered with growth.

Algae can mean that your shingles aren't managing moisture as they should. They might be letting water into your roof. Or, they might have cracks that have given algae a place to take hold.

Algae is a problem with some roofing materials. For example, it can degrade the limestone content of asphalt shingles. This weakens the shingles and damages them.

For a professional second opinion, call out a residential roof repair contractor.

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