Painting Over Mold? The Truth About ‘Quick Fixes’

Mold is unsightly, and I understand that nobody wants to stare at a dark, blotchy patch on their bathroom ceiling or basement wall. Sure, a quick coat of paint seems like an easy way to make the problem disappear. But here’s the thing about “quick fixes”: they’re rarely fixes at all. Especially when it comes to mold.

Painting over mold is one of those home myths that just won’t die. It looks better for a little while, sure. But underneath that shiny new layer of paint, the problem is still there and it’s growing, spreading, and getting ready to bubble its way back to the surface.

Let’s talk about why this happens, what it means for your home, and the right way to deal with it (so you’re not repainting again next month).

Why Paint and Mold Don’t Mix

Mold is a living organism, not a stain. It feeds on organic material like drywall paper, wood, dust, and anything else it can digest. It also thrives in damp, humid environments. When you paint over mold, you’re basically trapping that living organism under a layer of latex and giving it a warm, dark place to multiply.

Even paints labeled as “mold-resistant” don’t kill existing mold; they simply make it harder for new spores to take hold. Think of them as preventive, not curative. Once mold has already started to grow, those spores will continue doing what they do best - eating, spreading, and eventually breaking through the surface again.

That’s why the dark spots you “covered up” always seem to come back, no matter how many coats you roll on. You didn’t solve the problem. You just hid it temporarily.

The Real Risk Isn’t Just Cosmetic

Mold isn’t just an eyesore. Prolonged exposure to mold spores can aggravate allergies, trigger asthma, and cause respiratory irritation, especially in kids, older adults, and anyone with a compromised immune system. Even if your home’s air feels fine, hidden mold can create ongoing air quality problems that only get worse over time. And if it spreads into insulation, behind drywall, or under flooring, you’re looking at a much bigger repair bill later.

So no, it’s not “just a little spot.” It’s a sign of a deeper moisture issue that needs your attention.

How to Fix It the Right Way

Before you paint, you have to address two things: the mold itself and the source of the moisture that caused it. Here’s the right order of operations:

1. Find the moisture source. Is there a roof leak, poor ventilation, a plumbing issue, or a condensation problem? Fix that first. Otherwise, the mold will just come back.

2. Kill the mold. For small areas (less than 10 square feet), you can usually handle it yourself. Wear gloves, a mask, and goggles, and use a cleaner designed to kill mold, not just bleach. Bleach can discolor mold, making it look gone when it isn’t.

3. Remove damaged material. If the mold has eaten into drywall, insulation, or wood, those materials need to go. Scraping and cleaning won’t cut it if the spores have taken root inside porous surfaces.

4. Dry the area completely. Fans and dehumidifiers are your friends. Moisture left behind is an open invitation for mold to start over.

5. Seal and repaint. Once the area is clean, dry, and sound, use a high-quality primer made for problem areas before painting. Products designed for bathrooms or basements help prevent future issues.

Prevent, Don’t Patch

Once you’ve done the hard work, prevention is your best defense. That means improving ventilation, keeping humidity below 50%, and addressing leaks immediately. It also means thinking long-term. Proper insulation, vapor barriers, and routine roof and gutter maintenance all play a role in keeping moisture (and mold) out.

Final Thoughts

Painting over mold might make things look better for a while, but it’s the home-improvement equivalent of spraying air freshener in a garbage can. The only real solution is to stop the problem at the source.

So, before you pick up that roller, step back, figure out what’s causing the moisture, and deal with the mold properly. It’ll save you time, money, and maybe even your lungs.

Bob O’Donnell is the owner of O’Donnell Bros. Inc., a Bristol-based home improvement company established in 1975. Email your questions to info@odonnellbros.com with the subject line “Ask the Pro.” All questions may be considered for publication. To contact Bob for your remodeling needs, call O’Donnell Bros. Inc. at (860) 589-5155 or visit http://www.odonnellbros.com. Advice is for guidance only.

Tackle Fall Leaves the Smart Way

If you live in New England, you already know the drill: one day your lawn looks perfect, and the next it’s buried under a crunchy blanket of red, orange, and gold. While a few leaves can add charm, too many can smother your grass, invite pests, and cause slippery walkways. But before you grab the rake and start waging war, there’s a better, smarter way to manage your autumn cleanup.

The Case for Raking (and When to Do It)

When leaves pile up, they block sunlight and trap moisture, creating the perfect environment for mold, disease, and dead patches of grass. That’s why timing is everything. Start raking when about half your trees have dropped their leaves, and again right before the first snowfall. If you wait until every last leaf has fallen, you’ll end up with a soggy, compacted mess that’s harder to remove.

Dry days are your best friend. Wet leaves are heavier, stickier, and can quickly clog your rake. Choose a breezy, low-humidity afternoon, and work in sections so you’re not battling the whole yard at once.

Tools of the Trade

Not all rakes are created equal. A classic 24-inch plastic or poly rake is light, flexible, and easy on the back. Metal rakes are great for tough patches or wet leaves but can tear delicate turf. Some homeowners swear by “no-clog” rakes, which use tines spaced wider apart so leaves don’t stick.

If you want to save serious time, consider upgrading to a leaf blower or a mulching mower. A blower makes short work of large yards, while a mulching mower chops leaves into fine pieces that decompose right into your lawn, creating essentially free fertilizer.

Rake Smarter, Not Harder

Most people make one big mistake: raking randomly. Instead, start along your lawn’s perimeter and work inward, moving leaves onto a large tarp. When the tarp fills, drag it to your compost pile or curbside leaf collection. It’s faster and saves your back from hundreds of bending motions.

Use the wind to your advantage, not against it. Rake with the wind direction, not into it. And if your neighborhood allows curbside collection, check the schedule. There’s nothing worse than finishing your raking marathon only to watch your neatly raked piles blow around for two rainy weeks.

Mulch, Compost, or Bag?

Each option has its perks. Mulching leaves with your mower saves time, enriches your soil, and supports beneficial organisms in your lawn. Composting is another eco-friendly choice - just mix dry leaves with green materials like grass clippings or kitchen scraps for the perfect compost balance.

Bagging, while less sustainable, is sometimes unavoidable, especially if your town requires it. If so, look for biodegradable paper bags rather than plastic. Your local transfer station or public works department likely has them in stock.

Protect Your Lawn and Yourself

Don’t overlook safety and comfort. Wear gloves to avoid blisters, sturdy shoes for traction, and long sleeves to fend off scratches and ticks. Stretch before and after - yes, really - because leaf raking can burn up to 300 calories an hour. Think of it as an outdoor workout with built-in results.

When you’re done, give your lawn one final low-cut mow to keep it neat through winter. It’ll help prevent matting and give new spring grass room to grow.

When “Leaving the Leaves” Makes Sense

Here’s the good news: not every leaf has to go. A thin layer - an inch or less - can actually benefit your lawn and garden beds. It insulates soil, supports pollinators, and provides nutrients as it breaks down. The key is moderation: too many leaves smother grass, too few miss out on the natural benefits.

If you’ve got wooded or low-traffic areas on your property, consider leaving the leaves there entirely. It’s a small but powerful way to support local ecosystems and save yourself a few hours of weekend labor.

Fall cleanup doesn’t have to be a back-breaking battle. With the right timing, tools, and strategy, you can protect your lawn, help the environment, and maybe even enjoy more of the season in the process.

Is Fall Mold Creeping Onto Your Roof

As the crisp autumn air settles in and the leaves start to fall, most homeowners are focused on pumpkin decor and raking their yards. But there’s something sneaky that may be settling in overhead: roof mold. Yes, fall is prime time for mold to make itself at home on your shingles, and ignoring it could lead to bigger (and more expensive) problems down the road.

Let’s break down what roof mold is, why it thrives in the fall, and what you can do to kick it to the curb before it spreads.

Why Fall Is Mold’s Favorite Season

Mold is a fungus that loves moisture, shade, and organic debris - all of which come together perfectly during autumn in New England. Here’s why:

• Falling Leaves: Leaves that land on your roof can trap moisture and block sunlight, creating damp, shaded pockets where mold thrives.

• Cooler Temperatures: As temperatures drop, homeowners may not notice excess moisture buildup because it’s not evaporating as quickly.

• Shorter Days: Less sunlight means less natural drying power for your roof.

• Clogged Gutters: Leaf-filled gutters lead to poor drainage and water pooling on the roof. Mold eats this up, literally.

What Mold Does to Your Roof (It’s Not Just Ugly)

Roof mold might seem like just a cosmetic issue, until it isn’t. Here’s what can happen if mold takes hold:

• Shingle Damage: Mold can deteriorate asphalt shingles and shorten your roof’s lifespan. It eats away at the granules that protect your roof from UV rays and weather damage.

• Wood Rot: If moisture seeps beneath the shingles, it can lead to rotting of the underlying wood structures, threatening your roof’s structural integrity.

• Insulation Issues: Mold creeping into your attic or insulation can ruin energy efficiency, sending your heating bills through the roof - pun intended.

• Health Concerns: Mold spores can make their way into your home’s air, potentially triggering allergies, asthma, or other respiratory issues for your family.

How to Stop Fall Mold Before It Starts

The good news? Roof mold isn’t inevitable. With a little proactive maintenance, you can keep your roof mold-free all season long. Here’s how:

1. Clean Your Roof (and Gutters)
   Leaves, twigs, and debris are mold’s favorite housewarming gifts. Clear your roof and gutters regularly, especially after a big wind or rainstorm.

2. Check Your Attic Ventilation
   Poor airflow in the attic can trap moisture and encourage mold growth from the inside out. Make sure vents are clear and consider installing an attic fan if airflow is limited.

3. Trim Back Overhanging Branches
   Shade is great for picnics, not for roofs. Cutting back branches allows more sunlight to hit your roof and dry up any lingering moisture.

4. Inspect for Leaks and Damaged Shingles

   Take a walk around your home and look for signs of water damage, cracked shingles, or dark streaks. If you spot anything suspicious, call in a pro.

5. Consider Copper or Zinc Strips
   These metal strips, installed near the peak of your roof, naturally kill mold and algae as rainwater washes down over them. It’s a smart investment for long-term mold prevention.

6. Book a Professional Roof Inspection
   Fall is an ideal time to have a professional take a look. They can spot early signs of mold or damage you might miss from the ground.

When in Doubt, Call It Out

If you already see mold growing on your roof, don’t panic, but don’t ignore it either. DIY solutions may help with small patches, but for widespread or stubborn growth, it’s best to bring in the experts. Professional mold removal will ensure it’s safely and thoroughly taken care of, without damaging your roof in the process.

A clean, mold-free roof isn’t just about curb appeal. It’s about protecting your investment, your home’s structural integrity, and your family’s health. So this fall, while you’re sipping cider and enjoying the foliage, take a few minutes to look up. Your roof might be trying to tell you something.

Bob O’Donnell is the owner of O’Donnell Bros. Inc., a Bristol-based home improvement company established in 1975. Email your questions to info@odonnellbros.com with the subject line “Ask the Pro.” All questions may be considered for publication. To contact Bob for your remodeling needs, call O’Donnell Bros. Inc. at (860) 589-5155 or visit http://www.odonnellbros.com. Advice is for guidance only.