Informative

Informative is where I post general notes and observations from working with concrete and cement-based materials.

These aren’t always step-by-step tutorials. They’re more like field notes: what’s changing in materials, what works in practice, and how to think about common problems before they happen.

If you like the “why” behind the how-to guides, you’ll probably enjoy this section.

Hand holding paint spray gun releasing white spray mist

Dry Spray on Walls: Fixing Rough Overspray and Preventing It Next Time

Introduction Dry spray on walls is a rough, sandy coating left when spray material dries unevenly. It’s usually caused by improper spray technique or poor surface prep. Fixing it starts with cleaning, sanding, and blending so the surface is ready for another coat. To prevent dry spray next time, adjust the spray setup and ensure […]

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Hands using scraper to remove blue paint from wall

Cratering in Paint: Contamination Tests and Fixes for Pitted Surfaces

Introduction Cratering in paint is when small pits or craters appear on the painted surface, leaving uneven spots. It usually happens when the surface is contaminated or the coating fails to bond properly. Pitted areas can also result from poor surface prep or moisture under the film. To detect it, start with a careful visual

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Close-up of peeling white paint on a wall surface