When people think about building protection, they often focus on major structural elements such as concrete, steel, roofing, or waterproofing systems. However, one of the most important parts of any building is often overlooked—the sealants used around joints, gaps, and connections. While caulking may seem like a small finishing detail, it plays a major role in protecting buildings from water damage, air leaks, dirt, and other environmental factors. Across Australia, building