Skim coats, commonly known as wall putties, serve as critical thin-layer finishing mortars applied over interior and exterior masonry, concrete, and plaster substrates. Achieving a flawless, paint-ready surface requires a wet mortar formulation that spreads effortlessly, resists cracking, and adheres uniformly across large areas. Non-ionic cellulose ethers, specifically Methyl Hydroxyethyl Cellulose (MHEC), play a decisive […]