Sand cement rendering, a construction technique for coating external walls, has a long history. Early renderings used lime and sand mixtures for weather resistance. Standardised cement-based mixes were introduced in the 19th and 20th centuries, offering durability and strength. Modern renderings include polymer-modified options (such a silicone render) for flexibility and water resistance, allowing for a variety of finishes. Sand cement rendering remains a popular choice for protecting and enhancing exterior walls in construction.
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