Achieving super smooth painted walls requires rigorous preparation and the right technique. You cannot cover up existing texture with paint; instead, you must sand away flaws, skim coat over heavy textures, and apply paint using a short-nap roller to prevent any "orange peel" stipple.
Step-by-step guide
The best way to smooth textured or damaged walls is by skim coating, which involves applying a thin, flat layer of joint compound across the entire surface. This labor-intensive but rewarding process typically requires two to three coats to fully hide existing textures and achieve a flawless, paint-ready finish.
To achieve a smooth, flawless paint finish, apply multiple thin coats instead of one thick coat. Sand lightly with 220–400 grit sandpaper between each layer to remove brush marks and imperfections, and wipe away dust with a tack cloth before painting.
A smoothing primer, typically known as a high-build or PVA (polyvinyl acetate) primer, is specifically formulated to equalize surface porosity, fill microscopic pinholes, and hide minor imperfections. It creates an ultra-even base that prevents drywall seams or texture from showing through your final paint coat.
The best smoothing primer depends on your skin type and budget, but industry and user consensus points to a few standout options.
Red is universally considered the hardest paint color to cover. Vibrant red pigments are highly transparent and inherently prone to bleeding through subsequent layers. Other notoriously difficult colors to cover include black, dark blue, dark green, and bright yellow.
Keep a wet edge: Don't let one section dry before rolling the next. Roll in full, even strokes: Start at the top and roll down in overlapping “W” or “M” motions. Maintain consistent pressure: Avoid pressing too hard. Back-roll lightly: After applying paint, make a light pass over the area without reloading your roller.
Key Points
Oil-based Penetrol
It works the same way that floetrol works to get a smooth finish and reduce brush marks. Penetrol is a low-odor paint additive that can help with the effects of weather and surface conditions on paint. It can also be used on metal and fiberglass.
Basically, any bare or painted plaster wall in OK condition can be sanded, bad dings filled with a polyfilla type filler, sanded smooth, sealed and then lined with heavy duty lining paper prior to re-painting. Conventional good quality lining paper is virgin pulp paper in a 1200 or 1400 grade.
While it does take some setting up, painter's tape is the most effective way for painters to create straight lines. Whether cutting in or making an isolated line, painter's tape can create a straight line on almost any surface.
Yes, you can skim coat directly over painted walls, but proper preparation and the right materials are critical to prevent peeling or bubbling.
Step-by-Step: How to Skim a Wall
To smooth out and level dried touch-up paint (such as on a car), let the paint cure fully, then wet-sand the raised area completely flush with the surrounding surface using progressively finer sandpaper. Finally, buff out the resulting sandpaper haze with automotive rubbing and polishing compounds.
To eliminate brush marks and achieve a flawless, spray-like finish, the best product to use is a paint conditioner. For water-based (latex or acrylic) paints, use Flood Floetrol Latex Paint Additive. For oil-based paints, use Penetrol Oil-Based Paint Additive.
The secret of how to paint straight lines between wall and ceiling is to use painter's tape. Run the tape along the edge of the ceiling to prevent any little drips or drops. When you take it away, you'll have a perfect line.
Yes, you can do two coats of paint in one day, provided you use water-based (latex or acrylic) paint. Most latex paints dry to the touch in 1-2 hours and are ready for a recoat within 2-4 hours, allowing you to safely layer them without peeling or pulling up the first coat.
In art, the 80/20 rule (the Pareto Principle) means that 20% of your effort or core variables yield 80% of the final impact. In practice, painters use it to focus heavily on foundational elements rather than wasting time on minor details that the viewer's eye rarely registers.
10 Common Mistakes on Room-Painting Projects
To achieve a smooth, flawless paint finish, apply multiple thin coats instead of one thick coat. Sand lightly with 220–400 grit sandpaper between each layer to remove brush marks and imperfections, and wipe away dust with a tack cloth before painting.
1. Start with the ceiling. We recommend you start your decorating project at the top and work your way down. Taking this approach will allow you to avoid dripping any paint onto freshly painted areas.
There are three main types of “impossible” colors: Forbidden colors. These are colors our eyes simply cannot process because of the antagonistic way our cones work, for instance “red-green” or “yellow-blue.”
Cool gray is being replaced by "mushroom" neutrals (warm taupes and greys with subtle green or violet undertones), warm earthy khakis, and soft, natural sages.
Beige tones, hues of white, and grey should be the colors of choice for your furniture, curtains, drapes, and other home accessories. Neutral colors not only give that plush look, but they also give you that warm feeling.