When painting the wall with technique and intention, the house gains colors that converse with the light, with the furniture, and with the life that happens there!
Submitted at Dec 3, 2025, 9:00 AM
Maurício Arruda - Casa Coral – Cores do Parque. Projeto da CASACOR São Paulo 2025. (Denilson Machado, do MCA Estúdio/CASACOR)
One of the most recurring mistakes when painting the wall is to start the process without assessing the conditions of the plaster. Cracks, infiltrations, mold, and peeling need to be corrected before any paint application. Skipping this step causes the imperfections to reappear quickly, even when the paint is of good quality. Proper preparation involves cleaning, leveling, and, in many cases, applying a filler to ensure a uniform plane. Additionally, the correct choice of sealer or primer makes a difference in the paint's adhesion. These products regulate the surface's absorption and prevent staining. When ignored, the result is usually an uneven paint job, with areas appearing lighter or darker than they should.
Another classic mistake is choosing the color solely by the catalog sample. Natural light, artificial lighting, and even the size of the room directly influence the perception of the shade. When painting the wall, applying a small test in the actual project helps to visualize how the color behaves throughout the day. Neutral tones can take on a greenish hue, pinks may look grayish, and vibrant palettes can saturate beyond expectation. Testing the paint prevents frustrations and avoids rework. Many brands offer smaller versions or color swatches that simulate the actual shade. Investing in this step allows you to observe nuances and confidently choose the tone that truly enhances the space.
The texture and sheen of the paint influence as much as the color. Matte finishes disguise imperfections, while semi-gloss or satin options reflect more light and highlight unevenness. It is common, when painting the wall, to choose the finish solely for aesthetics, without considering maintenance. Areas with heavy traffic or wet areas, for instance, require washable paints. When defining the finish, it's worthwhile to relate functionality and style. For bedrooms and living rooms, matte finishes tend to offer a soft and elegant look. For kitchens and hallways, more durable surfaces make cleaning easier. The right choice avoids premature wear and keeps the result looking good for longer.
The quality of the finish depends on both the technique and the tools used. An incorrect roller, worn-out brush, or excess paint buildup causes drips, visible marks, and uneven texture. Spreading very thick layers also compromises drying time and gives the surface a heavy appearance. When painting the wall, the ideal is to work with thin, successive layers, always following the intended application direction for each surface. Lamb's wool rollers are essential for larger walls, while soft brushes help with cutting corners and baseboards. When the tool is well chosen, the paint distributes evenly, ensuring a more professional finish.
Haste is among the biggest enemies of those who decide to paint the wall. Applying a new coat before complete drying causes stains, bubbles, and even premature peeling. Each manufacturer specifies the ideal time between layers, which can vary depending on the type of paint, humidity, and temperature of the project. Respecting drying time prevents rework and preserves the integrity of the surface. It is also important to maintain adequate ventilation for the paint to cure evenly. This way, the final result becomes more stable and durable. CASACOR Publisher is a creator of exclusive content, developed by the CASACOR Technology team based on the knowledge base of casacor.com.br. This text was edited by Yeska Coelho.
