Pro Painting Guide: Spotting Bad Work
    House Painters

    Pro Painting Guide: Spotting Bad Work

    Don't get stuck with a bad paint job. Our inspector's guide reveals how to spot common painter mistakes in prep, materials, and technique for a flawless finish.

    6 min read
    1,120 words
    7th
    Updated 12/29/2025
    Don't get stuck with a bad paint job. Our inspector's guide reveals how to spot common painter mistakes in prep, materials, and technique for a flawless finish.
    Quick Answer
    House Painters

    Don't get stuck with a bad paint job. Our inspector's guide reveals how to spot common painter mistakes in prep, materials, and technique for a flawless finish.

    Key Takeaways

    • **Living Rooms & Bedrooms:** You want a durable, washable paint. An eggshell or matte finish like Sherwin-Williams Emerald or Benjamin Moore Regal Select is perfect for these areas.
    • **Kitchens & Bathrooms:** High humidity is the enemy here. These rooms demand a paint with a mildewcide. Our experts always recommend a product specifically designed for moisture, like Benjamin Moore's Aura Bath & Spa. It's built to stop mold growth in its tracks.
    • **Trim & Doors:** These get a lot of wear and tear. You'll need a hard, scrubbable enamel. We often specify acrylic-alkyd enamels like Sherwin-Williams ProClassic because they dry to a tough, furniture-grade finish.
    • **Even Sheen:** Look for blotchy patches ('flashing') where the gloss level looks different.
    • **No Drips:** Check under windowsills and around door frames for dried drips or runs.

    Key Takeaways

    **Living Rooms & Bedrooms:** You want a durable, washable paint. An eggshell or matte finish like Sherwin-Williams Emerald or Benjamin Moore Regal Select is perfect for these areas.
    **Kitchens & Bathrooms:** High humidity is the enemy here. These rooms demand a paint with a mildewcide. Our experts always recommend a product specifically designed for moisture, like Benjamin Moore's Aura Bath & Spa. It's built to stop mold growth in its tracks.
    **Trim & Doors:** These get a lot of wear and tear. You'll need a hard, scrubbable enamel. We often specify acrylic-alkyd enamels like Sherwin-Williams ProClassic because they dry to a tough, furniture-grade finish.
    **Even Sheen:** Look for blotchy patches ('flashing') where the gloss level looks different.
    **No Drips:** Check under windowsills and around door frames for dried drips or runs.
    **Clean Hardware:** Light switches and outlet covers should be clean and installed correctly, not painted over.

    Pro Painting Guide: Spotting Bad Work

    Hiring a pro painter should feel like a relief, right? But sometimes, you're left wondering if the job is truly "professional." We've been there. What's the difference between a paint job that looks okay and one that looks incredible and actually lasts for years? It's all in the process.

    As certified inspectors with over 20 years of experience, our team has seen it all. We've witnessed breathtaking transformations, but we've also seen absolute disasters that cost homeowners thousands to fix. Here's the thing—a true professional spends most of their time on what happens *before* a can of paint is even opened. This guide makes you the expert, showing you exactly what to look for so you get the quality you're paying for.

    Why is Surface Prep 90% of a Perfect Finish?

    Illustration for Why is Surface Prep 90% of a Perfect Finish? in Pro Painting Guide: Spotting Bad Work

    Proper surface prep is everything—it's easily 90% of the job. Our team of licensed inspectors finds that almost all early paint failures (those ugly peeling and bubbling nightmares) come from shortcuts during this crucial first step. If the foundation is bad, the whole project is doomed. It's really that simple.

    A top-tier painter won't just throw down a drop cloth and start rolling. They create a perfect canvas first. This means thoroughly washing the walls with a degreaser like TSP (Trisodium Phosphate)—especially in kitchens—to get rid of grime that paint simply can't stick to. Then comes the meticulous work: filling every single nail hole and crack with quality spackling compound, sanding it so smooth you can't even tell it was there. What about glossy walls? A pro will scuff them up with fine-grit sandpaper (think 220-grit) so the new paint has something to grab onto. Non-negotiable.

    Finally, they'll use the right primer for the job. You can't just use one type for everything—that's amateur hour. Our pros use specific primers, like a stain-blocking shellac primer (Zinsser B-I-N is a classic) for stubborn watermarks or a bonding primer to switch from old oil paint to new latex paint. If a painter just gives the walls a quick wipe and starts painting? That's a huge red flag.

    Are You Getting the Paint You Paid For?

    Illustration for Are You Getting the Paint You Paid For? in Pro Painting Guide: Spotting Bad Work

    Using the right paint for the right room is what separates real pros from the hacks. A painter who slaps one type of paint everywhere isn't being efficient—they're just cutting corners to boost their profit. This directly impacts how long your paint job will last and how well it stands up to, well, life.

    Before a single drop of paint is applied, ask the painter to show you the cans. It's not rude, it's smart. Here's what our team looks for:

    • **Living Rooms & Bedrooms:** You want a durable, washable paint. An eggshell or matte finish like Sherwin-Williams Emerald or Benjamin Moore Regal Select is perfect for these areas.
    • **Kitchens & Bathrooms:** High humidity is the enemy here. These rooms demand a paint with a mildewcide. Our experts always recommend a product specifically designed for moisture, like Benjamin Moore's Aura Bath & Spa. It's built to stop mold growth in its tracks.
    • **Trim & Doors:** These get a lot of wear and tear. You'll need a hard, scrubbable enamel. We often specify acrylic-alkyd enamels like Sherwin-Williams ProClassic because they dry to a tough, furniture-grade finish.

    **Here's an insider tip:** Politely ask to see the paint cans and snap a quick photo of the labels. This simple, 5-second action prevents a common bait-and-switch where a painter bids for a premium product but uses a cheap contractor-grade paint instead. You'd be surprised how often it happens.

    A Real-World Horror Story We Saw

    Let me tell you about an apartment our team inspected last month. The owner had just paid a premium for a full repaint, but the bathroom paint was peeling off in huge sheets after only three months. He was furious—and frankly, he had every right to be.

    Our inspection revealed a total rookie mistake. The painter used a cheap, flat acrylic paint directly over the old semi-gloss finish without doing any prep. No cleaning, no sanding, no priming. Zero. The steam from one person showering was enough to make the new paint fail completely. Fixing it became a nightmare—the rework involved stripping all the new paint, properly sanding the walls, applying a high-adhesion primer, and finally repainting with a quality product like Zinsser Perma-White. This preventable mistake more than doubled the homeowner's total cost.

    How Can You Spot Bad Painting Techniques?

    Illustration for How Can You Spot Bad Painting Techniques? in Pro Painting Guide: Spotting Bad Work

    A painter's technique is what creates that flawless visual finish you're paying for. Rushing leads to obvious, sloppy mistakes. Honestly? Real craftsmanship lives in the small details, from how sharp the cut-in lines are to the evenness of the sheen on your walls.

    Watch out for these common slip-ups:

    1. **Watered-Down Paint:** If the paint on the roller looks thin and drips everywhere, it's probably been over-thinned with water to stretch the material. This creates a weak finish that won't last.

    2. **Ignoring Recoat Times:** Paint needs time to dry. Shocker, right? Each can specifies a recoat time (usually 2-4 hours). Painting over a wet layer can pull the first coat right off the wall, leaving a gummy, hideous mess.

    3. **Visible 'Holidays' & Stripes:** **What are those missed spots and weird stripes on my wall?** The missed spots are called 'holidays.' The stripes are 'lap marks,' and they happen when a painter doesn't keep a wet edge while working. A pro paints in systematic sections to avoid this, ensuring a uniform look.

    4. **Sloppy 'Cut-In' Lines:** Lines where the wall color meets the ceiling or trim should be laser-straight. Wobbly lines or paint smeared on the ceiling isn't just a small flaw—it's the signature of an amateur.

    Your Final Inspection: Demand Perfection

    Illustration for Your Final Inspection: Demand Perfection in Pro Painting Guide: Spotting Bad Work

    Don't even think about making that final payment until you've done a thorough walk-through with the lead painter. Our certified pros use a simple trick: a bright flashlight held at an angle to the wall. This 'raking light' technique instantly reveals every single hidden imperfection, from bumps to roller marks.

    Here's your final checklist. Don't sign off until you've checked these:

    • **Even Sheen:** Look for blotchy patches ('flashing') where the gloss level looks different.
    • **No Drips:** Check under windowsills and around door frames for dried drips or runs.
    • **Clean Hardware:** Light switches and outlet covers should be clean and installed correctly, not painted over.
    • **Spotless Floors:** No paint spatter on your floors, windows, or furniture. Period.
    • **Crisp Lines:** All painter's tape should be gone, leaving behind perfectly sharp edges.

    Now you're not just a customer—you're an informed supervisor. You can confidently oversee your project and make sure you get the beautiful, long-lasting result you deserve.

    In-Depth Look

    Detailed illustration of key concepts

    Detail view: Pro Painting Guide: Spotting Bad Work

    Visual Guide

    Infographic illustration for this topic

    Infographic: Pro Painting Guide: Spotting Bad Work

    Side-by-Side Comparison

    Visual comparison of options and alternatives

    Comparison: Pro Painting Guide: Spotting Bad Work

    Need Professional Help?

    Find top-rated house painters experts in your area

    Find Local Pros
    Verified Information
    Expert Reviewed
    Comprehensive Guide
    SEO Optimized