The Mold Came Back Because Nobody Fixed Why It Grew.

Most companies remove the mold and walk away. Mattra finds the moisture source, corrects it, and verifies the fix — so the same problem doesn't return six months later. Certified mold remediation for Maine homes, backed by over 30 years of building science.

Schedule a Free Expert Inspection Call (207) 777-6020
IICRC Certified BPI Certified Efficiency Maine Registered Vendor Over 30 Years in Maine
What Most Homeowners Tell Us

You're Not Imagining It — Mold Really Does Come Back

You smelled it. You saw the spots. You called someone. They came in, sprayed something, charged you, and left. A few months later — same spot, or a new one nearby. Now you're wondering whether you got taken, whether your home has bigger issues, or whether anyone in this industry actually knows what they're doing.

The truth is closer to the third. Mold companies are mostly trained to remove what's visible. Few of them are trained to find why it grew in the first place. So they remove what they can see, declare the job done, and the moisture source nobody investigated keeps doing exactly what it was already doing.

That's why mold comes back. Not because remediation doesn't work — because the underlying problem was never diagnosed.

We do this differently. Tell us what you're seeing or what you've already been through, and we'll come look — at the mold, at the moisture path, at the building system that's failing somewhere upstream. The inspection is free. The diagnosis is honest. The fix, if you decide to do one with us, addresses the cause.

Helpful guidance. Honest assessment. No pitch on the first visit.

Condensation and moisture pathways in a Maine home — the source of most recurring mold problems
Root Cause

Why Mold Grows in Maine Homes

Mold needs three things: moisture, organic material, and time. Maine gives all three away for free.

Long winters drive warm indoor air toward cold exterior walls and attics. Where that warm air meets a cold surface, it condenses into liquid water — sometimes inside the wall cavity where you'll never see it until the drywall is already stained. Ice dams trap meltwater under shingles and into eaves. Basements and crawl spaces hold humidity year-round, especially when ventilation can't keep up. Older Maine homes are the worst case: insulation gaps, air leaks, and ventilation that was sized for a different era of building science.

Every one of those is a moisture problem first and a mold problem second. The mold is the symptom — the water is the disease.

Most contractors look at the symptom. We look at where the water is coming from, why it isn't getting out, and what part of the building is letting it in. Until that's diagnosed, the mold can't be permanently solved.

Where to Start

Find Your Situation

These are the conversations we have most. Each one routes to the right next step.

"I Think I Found Mold and I'm Worried About My Family"

You smell it, see it, or got it flagged in an inspection. You have kids in the house, or someone in the family with allergies, asthma, or recurring symptoms. You want to know if this is dangerous before you do anything else.

Mold inspection & testing →

"I Already Paid for Mold Work and It Came Back"

You've been through this before. The spot you paid to clean is moldy again, or a new spot appeared nearby. You're skeptical of mold companies and not interested in another half-fix.

Removal & remediation →

"Mold Showed Up in a Real Estate Inspection"

You're buying or selling and the inspection report flagged mold. The closing date isn't waiting. You need a fast, credible assessment that the lender, the buyer, and the agents will all accept.

Real estate transactions →

"There's a Musty Smell but I Can't Find Mold"

The basement or crawl space smells off. You've looked and can't see anything. You're not sure if it's mold, just "old house," or something else entirely.

Mold inspection & testing →

"We Just Had Water Damage and Now I'm Worried About Mold"

A pipe burst, a roof leaked, a basement flooded. The emergency company dried things out and left. You know mold can grow after water — you want to know if it's happening before it becomes a bigger problem.

Mold inspection & testing →

"Three Companies Gave Me Three Different Answers"

You've gotten estimates and they don't agree on what's wrong, what to do, or what it costs. You want a fourth read from someone whose job is diagnosis, not selling you the most work.

Mold inspection & testing →

Not sure which one fits? Start with a free expert inspection — we'll help you figure it out.

How It Works

Three Steps. No Pressure. No Surprises.

A real fix starts with a real diagnosis. Here's what working with Mattra looks like.

1

Schedule a Free Expert Inspection

Tell us what's going on. Our expert inspector visits your home, looks at the visible mold, and — more importantly — looks at the moisture pathways, ventilation, and building details that explain why it's there. No diagnostic equipment fees. No pressure to commit to anything.

2

Get a Root-Cause Diagnosis and a Clear Plan

We explain what we found in plain language. Where the moisture is coming from. Why the mold grew. What needs to happen, in what order, and what each option costs. If a deeper diagnostic — like blower door testing or thermal imaging — is needed to confirm a suspected cause, we'll explain why and what that involves.

3

Remediation Plus Root-Cause Correction

If you choose Mattra to do the work, we handle remediation to industry standards — containment, HEPA filtration, safe removal, antimicrobial treatment, post-remediation verification — plus we correct the moisture source so the same mold can't grow back. One coordinated team. No subcontractor handoffs.

Schedule a Free Expert Inspection
Maine home cross-section showing how mold connects to insulation, air sealing, and ventilation
The Bigger Picture

Why Mold Often Connects to Insulation and Air Sealing

A surprising amount of mold work in Maine isn't really mold work. It's air-sealing work. It's insulation work. It's ventilation work — with mold as the visible symptom that finally got someone's attention.

Warm, moist indoor air is constantly trying to escape into colder spaces — your attic in winter, your wall cavity, your rim joists in the basement. When that air can't escape (bad), or when it escapes and condenses on a cold surface (worse), it creates the exact conditions mold needs to grow. Add Maine's climate, and the cycle is hard to break unless someone fixes the building.

That's why our work often crosses trades. Remediation handles what's already there. Air sealing, insulation, and ventilation correction stop the conditions that grew it.

When the right next step points toward insulation or air sealing, Efficiency Maine rebates often cover 40% to 80% of the project cost depending on income, up to $8,000. As a registered Efficiency Maine vendor, we walk you through what you'd qualify for — and handle the paperwork. No pitch. Just the math, so you know it before you decide.

Related: Insulation · Air Sealing · Basement Insulation · Crawl Space · Energy Audit

Why the Order Matters

What Happens When the Underlying Problem Doesn't Get Fixed

Mold is uncomfortable to think about. The expensive part isn't the discomfort — it's the cost of solving it twice.

An honest diagnosis up front costs less than the second remediation that wasn't supposed to be necessary.

Why Mattra

What Other Mold Companies Don't Do — and We Do

The mold remediation industry has a reputation for inflated estimates, fear-based selling, and disappearing once the check clears. We've built our reputation by doing the opposite.

We Diagnose Before We Quote

Anyone who walks into your home and gives you a price within ten minutes is guessing. The diagnosis is the work. We don't quote until we understand what's causing the moisture, what scope the remediation actually requires, and what the post-remediation correction needs to include. This takes longer. It costs you less.

"First of all, finding out that your house that's for sale has mold is a panic situation… The 'mold remediation' industry, at large, is quick to take advantage of a homeowner and quote exorbitant fees while exaggerating the extent and scope of the problem. I arranged for three estimates… Enter John Crafts of Mattra. He was professional, courteous, and gave me an excellent assessment of the problem while reassuring me that the problem was years in the making and not a nuclear disaster."

Robert Ayers · ★★★★★ Google Review

We Test, Document, and Verify

We don't claim a job is done because we said so. Industry-standard remediation includes containment, HEPA filtration, safe removal, antimicrobial treatment, and post-remediation verification. Our process is documented. The customer leaves with proof — including lab results when applicable.

"John and his crew remediated our basement. It was not an easy task, but he persisted until the test showed the mold was cleared. John was very responsive, sent Safety Data Sheets for all of the products used, was willing to use one we requested and responded kindly and respectfully to concerns and changes in the plan. At every step of the way I felt that getting the job done right and customer satisfaction were top of mind."

Martha Howard · ★★★★★ Google Review

We Look at the Whole Building, Not Just the Mold

Mold is almost always a moisture problem. Moisture is almost always an air-sealing, ventilation, or insulation problem. Single-trade mold companies don't have the building science background to see those connections — which is why their fixes don't hold.

Our team is BPI-certified for building science and IICRC-certified for remediation. Both, on the same job.

We Tell You When the Answer Is "Less Than You Think"

Some mold problems are serious. Some aren't. Some don't require remediation at all — just moisture correction. We'll tell you which one yours is, even when the answer means a smaller invoice for us.

"He could have sold me something that I didn't need… He was honest and told me that I didn't need any additional insulation! Someone else might have sold me and Efficiency Maine an insulation job and made a nice profit! Thank you for being an honest business!!"

Patricia Prout · ★★★★★ Google Review
Common Questions

Common Questions About Mold in Maine Homes

A musty smell, visible spots, recurring allergy or respiratory symptoms in the home, or a recent water event are all signals worth a free expert inspection. Not every spot is dangerous — and we'll tell you when something can wait — but mold left to grow gets harder and more expensive to address. Earlier is almost always cheaper.

Cleaning removes what's visible. Remediation removes what's visible and corrects the conditions that grew it. Without the second step, the same mold typically returns. Industry-standard remediation also includes containment to prevent spore spread during work and post-remediation verification to confirm the area is clear.

"Black mold" is a popular term, not a scientific one — many mold species are dark-colored. Some species are more concerning than others, and the actual risk depends on the species, the size of the affected area, and who's living in the home. We can identify what's there and explain what it means for your situation. The mold glossary covers types in detail at /resources/mold-glossary/.

Over 30 years. Mattra Inc. was established in 1996 and has been serving Maine homeowners continuously since. We're IICRC certified for remediation and BPI certified for building science — the second matters because mold problems are almost always moisture problems first.

Yes. That's the work that distinguishes us from quick-fix mold companies. We diagnose where the moisture is coming from — air leakage, insulation failure, ventilation problem, water intrusion — and address it as part of the remediation scope. The mold can't grow back in the same spot if the conditions that grew it are gone.

Mold remediation itself isn't directly rebatable. But when the root cause is insulation or air sealing — which it often is — Efficiency Maine rebates can cover 40% to 80% of that part of the project depending on income, up to $8,000. We're a registered vendor and walk you through what qualifies.

Find Out What's Actually Going On

The free expert inspection is the most useful first hour you can spend on this problem. Even if you don't end up working with us. Even if it turns out the mold isn't as serious as you feared. You'll leave with a real understanding of what your home is doing, why, and what your real options are.

Schedule a Free Expert Inspection Call (207) 777-6020

No equipment fees. No diagnostic fees. No pressure to commit.

Mattra Inc. · 68 Whipple St · Lewiston, ME 04240
info@mattrainc.com