At SRW Products, our X-Treme™ Polymeric Sand is an excellent choice for hardscapes featuring wide joints. Our advanced polymer technology provides X-Treme™ with a stronger and more durable cure, making it the top option for natural stone and wet cast patios and walkways. Specifically designed for wide joint applications, up to 6 inches, it is the ideal polymeric sand for natural stone hardscapes. Additionally, it sets rain-safe in just 20 minutes, making it the fastest wide-joint setup available on the market.