Search Results for: concrete staining and sealing

Introduction Skim coating old plaster is the light, quick layer applied to smooth out surface imperfections. It helps even out ridges and small bubbles so the finish can be painted. Check the plaster for loose spots, dust, and adhesion before applying. Use a clean trowel and apply thin coats, keeping the blade nearly flat to

Introduction Priming dusty plaster means applying a compatible primer to seal chalky surfaces so paint can properly adhere. This helps the surface hold onto new paint and reduces peeling. Check the primer label for suitability with plaster and ensure the wall is clean and dust-free before applying. If in doubt, consult the product instructions and

Introduction Salt damage in plaster is when mineral salts from the masonry migrate into the plaster and cause powdering and flaking. This often happens as moisture moves through the wall and brings salts to the surface, weakening adhesion. The fix starts with locating the moisture source and choosing a repair approach that fits the wall

Introduction Sealing lime plaster means applying a breathable coating that protects the wall without stopping moisture. Choose sealers or finishes that are specifically marked breathable and lime-plaster compatible. Test a small patch first and check the product label for indications of breathability and surface compatibility. Prepare and clean the wall, then apply in thin, even

Introduction Pinholes in Venetian plaster are small surface holes that appear when the plaster or glaze dries with trapped air. They usually come from air pockets formed during mixing, application, or drying, especially if coats are too thick or work is too wet. Filling them after the fact is harder than preventing them. To prevent

Introduction Clay plaster in kitchens is a natural, breathable wall finish that you can apply to walls and ceilings. Grease will require gentle cleaning and the right sealing approach to keep the plaster from staining. Check product labels and manufacturer guidance for cleaning methods and compatible sealers. Protective topcoats help resist grease and moisture, but

Introduction Powdery clay plaster is a finish that powders off a dusty surface when the top layer has not bonded well. It happens when the plaster dries too fast, the substrate is weak, or there’s too much binder loss from moisture. You’ll usually see a dull, chalky film that rubs off with your finger. To