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10 Simple Signs of Roof Leaks You Can Spot Before Serious Damage Occurs in Eugene, OR

Gladis Arroyo • March 10, 2025
Your roof is one of the most important parts of your home, protecting you from rain, wind, hail, and extreme weather. However, even a small leak can lead to significant damage if left unchecked.

Spotting early signs of roof leaks can save you thousands of dollars in repairs and prevent serious structural issues. From water stains on the ceiling to mold growth in the attic, being proactive can extend your roof’s lifespan and ensure your home remains safe and secure.

In this guide, we’ll discuss the 10 simple signs of roof leaks that every Eugene homeowner should watch for. By knowing what to look for, you can prevent costly repairs, maintain your home’s value, and avoid major water damage.

Water Stains on Ceilings or Walls

Causes:

  • Water infiltrating through cracked shingles, flashing, or skylights.
  • Chimney or vent leaks allowing moisture inside.
  • Poor drainage leading to water pooling.


What to Look For:

  • Yellow, brown, or dark water stains on the ceiling or walls.
  • Peeling or bubbling paint and drywall.
  • Damp spots, especially after heavy rain.


Solution: 
Schedule a
roof inspection to locate the source of the leak.
Repair
damaged flashing or seal skylight leaks.
Ensure proper
roof ventilation to reduce moisture buildup.

Missing, Cracked, or Curling Roof Shingles

Causes:

  • Strong winds, hail, and storm damage.
  • Aging asphalt shingles drying out and cracking.
  • Improper installation leading to premature wear and tear.


What to Look For:

  • Shingles that are curling, cracked, or completely missing.
  • Granules collecting in gutters, which indicate shingle deterioration.


Solution:
Replace damaged or missing shingles
to prevent further leaks. 
Consider upgrading to
metal roofs or tile roofing for longevity. 
Hire a
professional roofer for an expert evaluation.

Mold or Mildew Growth in the Attic

Causes:

  • Poor roof ventilation trapping moisture.
  • Leaks allowing water into attic insulation.
  • Condensation buildup due to temperature fluctuations.

What to Look For:

  • A musty odor in the attic or upper floors.
  • Green, black, or white mold spots on wood, insulation, or drywall.
  • Increased humidity levels in your home.

Solution: 

Improve attic ventilation to prevent mold growth.
Address any
roof leaks before they cause further damage.
Replace
wet insulation to restore energy efficiency.

Water Dripping from the Ceiling or Attic

Causes:

  • Severe roof leaks from storm damage.
  • Clogged gutters preventing proper drainage.
  • Ice dam buildup forcing water under shingles.

What to Look For:

  • Active water drips during or after heavy rain.
  • Damp insulation in the attic.
  • Ice buildup along the edges of the roof.

Solution:
Remove ice dams
by improving attic insulation.
Clean gutters and downspouts
to prevent blockages.
Seek
roof leak repair services before damage worsens.

Rusted or Damaged Flashing Around Chimneys and Vents

Causes:

  • Heavy wind and rain loosening flashing seals.
  • Aging flashing corroding due to moisture exposure.
  • Poorly installed flashing leading to water infiltration.

What to Look For:

  • Rust or corrosion on flashing materials.
  • Loose flashing around chimneys, skylights, or vents.
  • Visible cracks or gaps where water can seep through.

Solution:
Replace damaged flashing
with high-quality waterproof materials.
Reseal joints with
waterproof caulk or sealant.
Schedule routine
roof inspections to check for flashing issues.

Clogged Gutters and Poor Drainage

Causes:

  • Leaves, twigs, and debris blocking proper water flow.
  • Heavy rain and ice dams leading to gutter overflow.
  • Poorly installed gutters causing water buildup.

What to Look For:

  • Overflowing gutters during rainstorms.
  • Water pooling near your home’s foundation.

Solution:
Clean gutters regularly
to maintain proper drainage.
Install
gutter guards to prevent debris buildup.
Ensure gutters are properly sloped for efficient drainage.

Peeling or Bubbling Paint on Walls or Ceilings

Causes:

  • Water leaks affecting the interior structure.
  • Excess humidity due to poor ventilation.
  • Leaking pipes or roof condensation.


What to Look For:

  • Paint peeling or bubbling.
  • Warped drywall or ceilings.


Solution: 
Repair
roof leaks immediately to prevent further interior damage.
Repaint damaged areas only after ensuring proper
roof ventilation.
Improve
building insulation to reduce indoor moisture.

 Sagging Roof Sections

Causes:

  • Structural damage from prolonged water exposure.
  • Weak roof joists or decking due to moisture infiltration.


What to Look For:

  • Visible dips or uneven areas on the roof.
  • Pooling water on flat roofing sections.


Solution: 
Contact a
professional roofer to assess structural damage.
Reinforce or replace
weakened roof decking.
Ensure proper
drainage and waterproofing to prevent sagging.

Unexplained Higher Energy Bills

Causes:

  • Heat escaping through roof gaps or damaged insulation.
  • Roof leaks causing insulation to lose effectiveness.

What to Look For:

  • Increased heating and cooling costs.
  • Uneven indoor temperatures.

Solution: 
Upgrade to
energy-efficient roofing materials.
Repair any
roof leaks affecting insulation effectiveness.
Improve
roof ventilation to regulate indoor temperatures.

Signs of Water Damage in Your Basement or Walls

Causes:

  • Roof leaks leading to water infiltration.
  • Poor drainage allowing water to seep into the basement.

What to Look For:

  • Water stains on basement walls.
  • Musty odors from prolonged moisture exposure.
  • Warped wood or rusted metal.

Solution: 
Fix
roof leaks to prevent further water damage.
Improve
foundation waterproofing to protect against moisture.
Install a
dehumidifier in damp areas.

Why Choose Multi Contracting LLC for Roof Leak Repairs in Eugene?

At Multi Contracting LLC, we offer expert roof repair services tailored for Eugene’s climate. Our experienced team provides roof inspections, repairs, and replacements to prevent leaks and water damage.


Free Roof Inspections – Identify leaks before they cause major damage.

Professional Roof Repair & Replacement – Reliable solutions for asphalt shingles, metal roofs, and flat roofing.

Warranty on All Services – We stand by our work for peace of mind.

Get a Free Roof Inspection Today!

📞 Call Multi Contracting LLC today at  (541) 600-9570

📧 Email us for an estimate at  multicontractllc@gmail.com

🌍 Visit our website for more details: https://www.multicontractingllc.com/

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