Custom Prism Ultimate Performance Grout 17 lb. – Bone

Prism® Ultimate Performance Grout sets a new benchmark in cement-based grout technology. Its unique calcium aluminate cement formula delivers uniform, consistent color with zero efflorescence or shading—regardless of tile type, temperature, or humidity. Ideal for grout joints up to ½″, this high-performance grout develops exceptional early strength and dense, stain-resistant joints.

Formulated with lightweight recycled glass and fine aggregate sand, Prism spreads smoothly and cleans up easily. The rapid-set formula is walkable in just 4 hours and cures to full hardness in 3–14 days, all with zero VOCs and no sealer required. Durable and resilient, it resists cracking, shrinking, powdering, and wear for long-lasting results.

Key Features

• Uniform, consistent Bone color
• Efflorescence-free, stain-resistant dense joints
• Fast setting—walkable in 4 hours, full cure in 3–14 days
• No sealer required for lasting performance
• Resists cracking, shrinking, powdering, and daily wear
• Smooth, easy-to-spread powder with lightweight recycled glass
• Zero VOC content for safer indoor air quality