Discover the timeless art of sand and cement smooth finishes with these old-school plastering techniques. Perfect for achieving durable, clean, and professional-looking walls every time. Whether ...

On The Trowel. Expert Plastering and Rendering Techniques for a Flawless Finish. Posted: May 26, 2025 | Last updated: May 31, 2025. More for You ...

Your ideal mixture is around 75 percent sand 25 percent clay so add sand or clay depending on your jar results. If your mix is very close to ideal then try it without altering it as well.