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Can You Paint Over Moldy Walls? What You Need to Know

Boston Pro Quality Services • November 14, 2024
A man is standing on a ladder painting a wall in a living room.

If you’re dealing with mold on walls, painting over it might seem like a quick fix. However, mold is more than just an ugly stain—it’s a living organism that thrives in damp conditions and can quickly spread, even if covered with paint. Painting over mold without proper treatment is only a temporary solution and may worsen the problem in the long run. Here’s what you need to know about handling mold on walls before painting.


Why Mold Shouldn’t Be Painted Over

Mold thrives in moist environments, commonly forming on walls in bathrooms, basements, kitchens, and poorly ventilated areas. If mold is painted over, it can continue to grow beneath the paint, and eventually, it will break through, leading to even more staining and potential wall damage. Not to mention, mold spores can become airborne, posing health risks such as respiratory issues and allergic reactions, especially for those with asthma or compromised immune systems. Painting over mold merely covers the problem, creating a false sense of resolution. For a lasting solution, the mold must be thoroughly removed before any painting is done.


Steps to Remove Mold from Walls

To effectively handle moldy walls, follow these steps before considering a new paint job:

  1. Identify and Fix Moisture Sources:   Mold needs moisture to survive. Check for leaks, humidity issues, or areas with poor ventilation, and address these problems to prevent future mold growth.
  2. Thoroughly Clean the Mold:  Use a mold-killing solution, such as a mixture of bleach and water, to scrub the affected areas. You can also use commercial mold removers. Wear protective gear, such as gloves and a mask, to avoid inhaling mold spores.
  3. Allow the Wall to Dry Completely:   After cleaning, ensure the wall dries thoroughly to prevent new mold from forming.
  4. Apply a Mold-Inhibiting Primer:   Before painting, apply a primer specifically designed to resist mold growth. This can help prevent mold from returning and improve paint adhesion.
  5. Paint with Mold-Resistant Paint:  Use high-quality, mold-resistant paint to further protect the walls.


While painting over moldy walls may sound convenient, it’s not a long-term solution. Properly addressing the mold by removing it and using mold-resistant products will create a safer and longer-lasting result. Taking these precautions helps ensures that your paint job will last and that you’re maintaining a healthier indoor environment.


Interior House Painting in Revere, MA

For home painting in Revere, MA and the surrounding area, contact Boston Pro Quality Services at  857-201-5771. Feel free to give us a call to ask for an estimate for residential or commercial painting!

By Boston Pro Quality Services October 13, 2024
Updating your interior paint can completely transform your living space. With a fresh coat of paint, you can make a room feel more modern, cozy, or energetic. At Boston Pro Quality Services, we provide expert interior house painting in Revere, MA. If you're planning to give your home a facelift, here are five interior paint colors that are trending. Soft Sage Green Soft sage green has become one of the hottest paint colors lately. It offers a calm, earthy vibe that works well in living rooms, bedrooms, and kitchens. This muted green tone brings the outdoors in, creating a sense of tranquility and nature-inspired elegance. Pair it with light wood furniture and white accents for a fresh, modern look. Warm Neutrals While gray has been a popular neutral for many years, warmer shades like beige, taupe, and cream are making a comeback. These warm neutrals create a cozy and inviting atmosphere, perfect for any space from the bedroom to the living room. They offer a soft backdrop that pairs well with various design elements, from rustic to contemporary. Deep Charcoal For those seeking a more dramatic look, deep charcoal is trending as a statement color. This bold, dark hue adds depth and sophistication to any room, especially when used as an accent wall or in smaller spaces like home offices or powder rooms. Charcoal pairs beautifully with brass or gold accents for a luxurious touch. Terracotta Terracotta tones are making a strong appearance in interior design, adding warmth and character to homes. These earthy, reddish-brown shades evoke feelings of the desert and Mediterranean style, making them ideal for living rooms, dining areas, and even bedrooms. Terracotta creates a grounding effect and works well with natural materials like stone and wood. Pale Blue Pale, airy blues are trending for their calming and serene qualities. Lighter blue shades, often with a touch of gray, are popular choices for bathrooms and bedrooms. They evoke feelings of peace and relaxation, reminiscent of clear skies and coastal vibes. Pair pale blue walls with white or soft neutral furniture for a breezy aesthetic. Interior House Painting in Revere, MA For home painting in Revere, MA and the surrounding area, contact Boston Pro Quality Services at  857-201-5771  . Feel free to give us a call to ask for an estimate for residential or commercial painting!
A large house with a tower on top of it
By Boston Pro Quality Services September 3, 2024
Your home’s exterior paint does more than enhance its curb appeal—it protects against weather, moisture, and wear. But how long does exterior paint last, and when should you repaint? As leaders in home painting in Everett, MA and throughout the MetroWest area, the team at Boston Pro Quality Services has the answers you need. How Long Does House Paint Last? The lifespan of exterior paint depends on the material, quality of paint, application process, and local weather conditions. On average, here’s what to expect: Wood siding: 3-7 years Stucco: 5-10 years Brick: 15-20 years Fiber cement: 10-15 years Our local painting company in MetroWest uses high-quality paints and performs proper preparation to extend these timelines as much as possible. But how do you know it’s time to repaint? Look for these key signs: 1. Fading Colors Fading paint is a common sign of sun exposure and aging. If your home’s once-bright colors look dull or uneven, it’s a clear indicator that a new coat of paint is needed to restore its vibrancy and protect against further damage. 2. Peeling or Cracking Paint Peeling, cracking, or bubbling paint often happens when moisture gets trapped under the paint layer, usually due to weather exposure or poor preparation. These issues not only look bad but also expose your home to potential water damage. 3. Chalking Chalking appears as a powdery residue on the paint surface, signaling that the paint is breaking down. If you notice a chalky film when you touch your home’s exterior, it’s time for a new, high-quality paint job. 4. Cracked Caulking Cracked or shrinking caulk around windows, doors, and trim can let moisture seep in, leading to damage. If you see gaps or cracks, it’s time to re-caulk and consider repainting to ensure full protection. 5. Visible Wood Rot or Mold Wood rot, mold, or mildew on your home’s exterior is often due to failing paint. These issues mean moisture has penetrated the surface, so you’ll need to address them quickly with repairs and a fresh coat of paint. If you notice any of these signs, it’s time to consider an exterior paint job. At Boston Pro Quality Services, we specialize in high-quality exterior home painting in MetroWest that keeps your home looking beautiful and protected. Give our Everett painting business a call at  857-201-5771  to learn more about our services. We’d be happy to provide you with a free estimate for the cost of house painting near Boston.
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