At Barringer Brothers Roofing, one of the most common questions we hear from homeowners is, “How do I know if it’s time to replace my roof?” While some roofing problems are obvious, others can go unnoticed for years until they cause significant damage.
If you own a home in Waterloo, IL, understanding the warning signs of an aging roof can help you avoid costly repairs and protect your investment.

Age Is One of the Biggest Factors
Most asphalt shingle roofs are designed to last between 20 and 30 years. As your roof approaches that age range, it’s important to monitor its condition more closely.
Even if a roof appears fine from the ground, hidden wear and tear can develop over time due to weather exposure and normal aging.
Missing or Damaged Shingles
One of the most visible signs of roof trouble is missing shingles.
Strong winds, storms, and age can cause shingles to loosen or disappear altogether. Damaged shingles leave your roof vulnerable to water intrusion and additional deterioration.
If you notice missing shingles, it’s a good idea to schedule a professional roof inspection.
Granules in Your Gutters
As asphalt shingles age, they begin shedding protective granules.
These granules often collect in gutters and downspouts. While some granule loss is normal, excessive amounts may indicate that your roof is nearing the end of its lifespan.
Granule loss reduces your roof’s ability to withstand UV exposure and severe weather.
Curling or Cracked Shingles
Shingles should lie flat against the roof surface.
When shingles begin curling, buckling, or cracking, they may no longer provide adequate protection from the elements. These issues often indicate advanced aging and can be a sign that replacement should be considered.
Interior Water Stains
Roof problems aren’t always visible from the outside.
Water stains on ceilings or walls may indicate a roofing issue that requires immediate attention. Even a small leak can lead to mold growth, insulation damage, and costly repairs if left unaddressed.
Storm Damage Concerns
Waterloo homeowners know that Southern Illinois weather can be unpredictable.
Hail, high winds, and severe storms can damage roofing materials even when issues aren’t immediately visible. Following major storms, a professional inspection can help identify damage before it worsens.
Why Professional Roof Inspections Matter
Many roofing issues aren’t obvious to homeowners.
A professional inspection can identify:
- Hidden storm damage
- Flashing issues
- Ventilation concerns
- Shingle deterioration
- Potential leak areas
Early detection often helps homeowners make informed decisions before repairs become more expensive.
Why Waterloo Homeowners Trust Barringer Brothers Roofing
Since 2004, Barringer Brothers Roofing has provided professional roofing services throughout Waterloo and the Metro East.
From roof inspections and repairs to complete roof replacements, our team is committed to delivering quality workmanship and dependable service. We’re proud to have earned more than 200 5-star reviews from homeowners across Southern Illinois.
Whether your roof is showing signs of wear or you simply want peace of mind, we’re here to help.
Frequently Asked Questions
Many asphalt shingle roofs begin approaching replacement age between 20 and 30 years, depending on maintenance and weather exposure.
Yes. Hidden damage, aging materials, and underlying issues aren’t always visible from the ground.
Schedule a professional roof inspection to check for damage that may not be immediately noticeable.
In some cases, replacement can be more cost-effective than continually repairing an aging roof.
If your roof is older, has visible damage, or has recently experienced severe weather, an inspection is a good idea.
Contact Barringer Brothers Roofing
If you’re wondering whether your Waterloo roof needs replacement, Barringer Brothers Roofing can help.
Call (618) 703-3036 or fill out our online contact form to schedule your free estimate or professional roof inspection today.