You went to the attic to grab some holiday decorations, pack away a few old books, or finally start organizing your record collection, and there it was: mold. How long has it been there? Is it dangerous? And, most urgently, how do you get rid of it?
The attic is one of the more common spots for mold to take hold. The tricky part is that surface cleaning alone won’t solve the problem. You’ll need to address the underlying moisture source.
In many cases, professional mold remediation services is the right call. Let’s look at the signs, causes, and solutions for mold in the attic.
Key Takeaways
- The attic is a common spot for mold to grow because of poor ventilation, roof leaks, and humidity buildup.
- Attic mold removal is more complex than it might seem. Mold will very likely grow back if you don’t fix the underlying moisture problem.
- Knowing the early warning signs of attic mold can save you costly repairs down the road.
- Small mold patches may be manageable on your own, but most attic mold problems require professional remediation.
- SERVPRO offers expert mold remediation services to safely remove attic mold and help keep it from coming back.
Why Does Mold Grow in the Attic?
Mold needs three things to grow: moisture, warmth, and something to feed on. Many attics have all three. Since most homeowners don’t spend much time up there, mold can creep into the space and spread for weeks or months before anyone notices.
The most common causes of mold in the attic:
- Poor or blocked ventilation that traps warm, humid air
- Roof leaks that allow water to seep into wood and insulation
- Exhaust vents from the bathroom, kitchen, or dryer that release moisture directly into the attic
- Ice dams in colder climates that force water under roofing materials
- High indoor humidity that rises and condenses in the attic
Signs of Mold in the Attic
Catching mold early makes a big difference in the scope and cost of attic mold removal. The problem is that most homeowners don’t regularly go scouting for mold in their attics. That means mold often goes unnoticed until it becomes a bigger issue.
Next time you’re up in the attic, here’s what to look out for:
- Visible dark spots or discoloration on wood beams, rafters, or sheathing
- A musty or earthy smell when you open the attic hatch
- Peeling or bubbling paint on your ceiling (this can signal moisture buildup above)
- Higher-than-normal energy bills, which can indicate damaged insulation
- Anyone in the house experiencing unexplained allergy symptoms
- Water stains or leaks from the roof
When in doubt, call a professional for an inspection.
How to Remove Mold from an Attic: DIY or Professional Remediation?
Figuring out how to remove mold from an attic starts with an honest assessment of how bad the problem is. The EPA offers helpful guidelines. If the moldy area is smaller than 10 square feet, you may be able to handle it yourself. Anything larger than that, and the EPA recommends calling in a professional.
- Beyond size, ask yourself these questions:
- Do you know what caused the moisture problem?
- If so, have you fixed the problem?
- Is the mold on porous materials like wood or insulation?
- Do you have the proper protective equipment?
If the answer to any of these questions is “no,” professional remediation is the better choice. You’ll also want to call in the professionals just to be safe if anyone in your household has allergies, asthma, or a weakened immune system.
Attic mold almost always involves porous wood surfaces, large affected areas, and hard-to-fix ventilation issues. That puts most attic mold situations squarely in professional territory.
Step-by-Step: Professional Attic Mold Removal
When it’s time to call a professional for attic mold removal, understanding their process can help you feel more confident about the project. A qualified remediation team does much more than just clean mold off visible surfaces. They’ll find the source of the mold, contain the problem, treat the affected areas, and help make sure it doesn’t come back.
Here’s what the process typically looks like:
- Inspection and Assessment: A professional will thoroughly inspect your attic to determine the extent of the mold growth, locate moisture sources, and figure out the types of mold present. This will shape their remediation plan.
- Containment: To keep mold spores from spreading to other parts of your home, the remediation team will set up containment barriers and use negative air pressure to prevent spores escaping the work area.
- Air Filtration: Next, they’ll use high-efficiency air scrubbers and HEPA vacuums to capture airborne mold spores during the removal process, improving air quality throughout your home.
- Mold Removal and Treatment: Technicians will remove mold-infested materials that can’t be saved, such as insulation or badly damaged wood. They’ll treat salvageable surfaces with antifungal and antimicrobial solutions.
- Fixing the Root Cause: No mold removal is complete without addressing what caused the moisture problem in the first place. This might mean repairing a roof leak, improving ventilation, or redirecting exhaust vents.
- Restoration: Once the professionals get rid of the mold and fix the moisture source, they’ll replace any materials they removed to restore your attic to its pre-damage condition.
Best Practices to Prevent Mold in the Attic
Once you’ve been through the stress of attic mold, the last thing you want is a repeat. Fortunately, adopting a few simple habits can go a long way toward keeping mold from ever returning to your attic.
- Inspect your attic at least twice a year, especially after heavy rain or winter weather.
- Make sure your attic has proper ventilation with working soffit and ridge vents.
- Make sure that bathroom, kitchen, and dryer exhaust vents route outside and not into the attic.
- Keep your gutters clean to prevent water backup and roof leaks.
- Keep indoor humidity levels between 30 and 50 percent.
- If needed, add insulation to reduce condensation on cold surfaces.
- Fix any roof damage or leaks as soon as you spot them, so moisture doesn’t have a chance to build up.
How SERVPRO Can Help
Discovering attic mold is stressful, but you don’t have to face it alone.
At SERVPRO, our trained mold remediation specialists are ready to help. Attic mold removal is not a job for surface cleaners and good intentions. It takes certified professionals with the right equipment, proven processes, and the expertise to fully fix the problem.
Ready to get rid of your attic mold for good? Contact SERVPRO today to get started.
FAQs
How to get rid of mold in the attic?
Getting rid of mold in the attic starts with finding and fixing the source of moisture. Next, you’ll want to remove and treat the affected materials. You may be able to manage small areas under 10 square feet alone. However, most attic mold requires a certified professional who can fully contain, treat, and restore the affected area.
How much does it cost to remediate mold in the attic?
According to national averages, attic mold remediation typically costs between $1,000 and $4,000. It often depends on how accessible your attic is. For larger infestations or leaks, the price tag can reach $7,000 or more. For an accurate estimate, contact your local SERVPRO location.
What does attic mold look like?
Mold in the attic often appears as fuzzy or slimy patches in colors ranging from white to green or black. It may look wet or have a powdery texture. In attics, it commonly shows up on wood beams and sheathing. Another strong indicator of mold is a musty smell.
How to clean mold in the attic?
Before you start cleaning mold in your attic, address the source of moisture, or the mold will just come back. If the mold patch is less than 10 square feet, you may be able to get rid of it with careful scrubbing using an antifungal solution. For anything larger, call a certified mold remediation specialist.