What to Check in a Roof Before Buying a Home

180 Contractors • July 20, 2025
Suburban house with gray siding, gabled roof, and landscaped front yard under a bright blue sky

Buying a home is a major investment, and the condition of the roof plays a crucial role in determining the property’s true value. In Troy, MI, where weather fluctuations are common, roof inspections should never be overlooked. A seemingly minor roofing issue can turn into thousands of dollars in repairs. That’s why every prospective buyer should know what to check in a roof before closing a deal. In this blog, we’ll outline key areas to examine and why partnering with 180 Contractors Roofing & Siding is a smart move for peace of mind.


Check the Age of the Roof

The first question to ask is: how old is the roof? Most asphalt shingle roofs last between 15 to 30 years, while metal and tile options can last significantly longer. If the roof is nearing the end of its expected lifespan, you may need to budget for a replacement soon.


Inspect for Visible Damage

A visual inspection—either in person or via a professional roofer—can reveal:

  • Missing, curled, or cracked shingles
  • Rusted or loose flashing around chimneys and vents
  • Sagging rooflines or uneven areas
  • Moss, algae, or mold growth


These are signs of wear, poor ventilation, or hidden water damage that can affect the roof’s durability.


Evaluate the Gutters and Downspouts

Clogged or damaged gutters can lead to water backup, ice dams, and fascia damage. Make sure gutters are securely attached, free of debris, and that downspouts direct water away from the foundation.


Look for Signs of Leaks Indoors

Water stains on ceilings or attic sheathing are major red flags. Ask the current homeowner about past leaks or repairs. Check closets, corners, and attic spaces for mold, rot, or musty smells.


Check the Roof Ventilation System

Proper roof ventilation prevents heat and moisture buildup that can degrade shingles and insulation. Make sure ridge vents, soffit vents, or attic fans are present and unobstructed.


Inspect Chimneys and Skylights

These features are common leak points. Look for cracked masonry, deteriorated flashing, or rusted fasteners. Improper sealing around skylights can also lead to water infiltration and insulation issues.


Ask About Roofing Warranties

If the current roof is still under warranty, find out if the warranty is transferable to new owners. Manufacturer and workmanship warranties can save you money if issues arise after purchase.


Schedule a Professional Roof Inspection

The safest way to get a full understanding of a roof’s condition is to schedule a professional inspection. In Troy, 180 Contractors Roofing & Siding conducts comprehensive assessments and provides clear documentation. As an Owens Corning Preferred Contractor and BBB A+ accredited company, they deliver unbiased recommendations you can trust.


Final Thoughts

A strong roof protects your investment and ensures comfort and safety for years to come. Don’t let unseen damage or future repair costs catch you off guard. Before buying a home in Troy, make sure the roof is in solid condition—or work with experts who can guide you to the best decision.


Read also our blog: How to Safely Remove Mold From Your Roof

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