Chalky walls?

From my experience renovating a new flat, dealing with chalky walls was frustrating but totally avoidable. After painting, I noticed that within a few months, especially on dark-colored walls, a white powdery residue formed that rubbed off on my hands. It made the walls look dirty and aged prematurely. What I learned is that this chalkiness often happens because the surface wasn’t properly prepared before painting. Many new apartments come with untreated or dusty plaster walls that need thorough cleaning first. Skipping this step means dust and loose particles remain trapped under the paint, which then break down over time. Also, some contractors skip applying a primer or sealer to save costs, but this compromises the paint adhesion and encourages chalking. Using a quality primer designed for new or porous surfaces creates a sealed base, preventing powdery buildup and extending the paint’s lifespan. In my case, after noticing chalking, I had to wash the walls gently to remove loose dust before repainting with a good primer and durable paint. This made a huge difference. The walls looked fresh and clean much longer, and I avoided costly frequent repainting. For anyone renovating, don’t overlook wall preparation: always wash the walls to remove dust, repair any cracks, and apply a suitable primer before painting. This simple process saves money and prevents annoying chalky walls that can detract from your beautiful new home.