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5 Signs Your Roof Needs Replacing

Mike Calhoun
Mike Calhoun
Master Roofer & Crew Lead
May 20, 2026
 ·
4 min read
May 20, 2026
4 min read
5 Signs Your Roof Needs Replacing

Not sure if it is time for a new roof? Here are five clear warning signs every homeowner should watch for.

1. Curling or missing shingles

When shingles curl at the edges or go missing entirely, your roof is losing its waterproof barrier. It is one of the most visible signs that replacement is near.

2. Granules in the gutters

Asphalt granules in your gutters mean your shingles are breaking down. Once the granule layer is gone, the shingle can no longer protect against UV and rain.

3. Daylight through the attic

If you can see daylight through the roof boards from your attic, water can get in just as easily.

4. Sagging rooflines

A sagging deck points to trapped moisture and weakened structure that a simple repair will not fix.

5. Your roof is 20+ years old

Most asphalt roofs last 20 to 25 years. If yours is in that range, it is wise to have it inspected before problems start.

Not sure where your roof stands? A free Purlin inspection will give you a straight answer.

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We'll do a free 21-point inspection and document everything for your claim.

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Mike Calhoun
Written by

Mike Calhoun

Mike founded Purlin in 2008 after 15 years on commercial and residential crews. He personally inspects every replacement before sign-off.

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