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Ways to Manage Your Attic’s Moisture Levels


Moisture in the attic is an issue that homeowners should not overlook. Excess moisture can lead to a variety of problems, such as mold growth, structural damage, and even health issues. Understanding how moisture enters the attic and how to manage it is essential for maintaining a healthy home. In this article, we’ll explore the warning signs and some possible solutions.

Moistrue in Attic

How Does Moisture Get into the Attic?

Moisture can enter the attic is several ways:

  • Leaky Roof – Damaged or missing shingles can lead to water seepage.
  • Improper Ventilation – Lack of adequate ventilation can result in trapped moisture.
  • Daily Household Activities – Cooking, showering, and laundry can produce moisture that rises into the attic.

Warning Signs

Recognizing signs of moisture in the attic is the first step in addressing the issue. These can include:

  • Water stains on ceilings or walls.
  • Condensation on windows or other surfaces
  • Musty odors
  • Visible mold growth.

Does Moisture in the Attic Rise from the Basement?

It’s possible. Moisture from a damp basement can move upwards through the house and eventually reach the attic. This is especially true in homes with poor ventilation or structural issues that allow for easy moisture transfer.

How to Prevent Excess Moisture

Here are some effective ways to remove moisture from the attic:

  • Ventilation – Ensure that your attic is well-ventilated. This helps to circulate air and remove moisture effectively.
  • Dehumidifiers – Installing a dehumidifier in the attic can help to control humidity levels. This is particularly helpful in climates that are naturally humid.
  • Insulation – Proper insulation can prevent condensation leaks by keeping the attic’s temperature stable.
  • Roof Maintenance – Regularly inspect and repair your roof to prevent leaks than can introduce moisture.
  • Check and Repair Leaks – Any sign of leaking from pipes or appliances should be immediately addressed.
  • Gutter Maintenance – Keep your gutters clean to ensure that water is directed away from your home, reducing the risk of leaks.
  • Household Activities – Use exhaust fans in bathrooms and kitchens to prevent moisture from rising to the attic.


By staying vigilant and implementing these preventive measures, you can manage your attics’ moisture levels and protect your home from the many problems that excess moisture can cause.

Who to Call

For any issues of concern regarding your roof or attic, you can trust the experts here at Gresham Roofing. We are a third generation, family-owned company that has proudly served the Portland Metro, Vancouver, Salem, and Oregon Coast areas, including PDX, Lake Oswego, Tualatin, and Camas since 1968. With over 50 years of expertise, we offer a comprehensive range of roofing services to both residential and commercial customers. We offer maintenance, repairs, and 24-hour emergency services to keep your roof in optimal condition. Our experienced team is committed to delivering quality and value, making us your go-to for any and all roofing needs. As a manufacturer-approved installer for major brands, all or our installations come with a full warranty.

For more information about our company or the services we offer, contact us via our website, or give us a call at 503-492-7663. We look forward to serving you!

Our Crew In Action