Crafting with Concrete

Introduction Microcracks in lime plaster are usually small surface crazing that forms as the plaster dries and shrinks; they are often cosmetic and not a structural failure. Look at crack width, depth, and whether it goes into the substrate to decide; if unsure, check the product label or manufacturer guidance for allowed hairline cracking. In […]

Introduction Casein paint can be used on lime plaster only when the specific product is approved for that substrate and the plaster is sound, dry, free of active salts, and properly prepared. “Casein paint” is not one uniform system: premixed paints, powder paints, casein primers, and traditional casein-lime formulations can have different binders, alkalinity, dilution,

Introduction Plastering over old calcimine paint means confirming the paint is the flaky, powdery lime-based finish that repels new plaster and then removing or treating it so plaster can bond. I’ll show simple tests to identify calcimine and practical fixes for adhesion problems you can do with common tools. If a product or spec matters,