Prism #542 Graystone 17 lb. Grout by Custom Building Products

Prism Ultimate Performance Grout sets a new standard in cement based grout technology. Prism’s calcium Aluminate cement based formula offers consistent color with no shading regardless of tile type, temperature or humidity. And it will not effloresce. The rapid setting formula results in high early strength and dense joints for the highest stain resistance in grout joints up to 1/2″. A unique blend of lightweight recycled glass and fine aggregate sand allows for a smooth consistency that is easy to spread and clean.

• Use to fill joint widths up to 1/2 in.
• Cures quickly, walkable in 4 hours
• Won’t mottle or shade regardless of tile type, temperature or humidity
• Use on floors, walls, countertops, tub surrounds, showers and high traffic areas
• Can also be used in submerged conditions (swimming pools, spas, water features and fountains)
• 32% lighter than typical grouts; excellent handling characteristics
• No sealer required
• Contains 15% (by weight) post-consumer recycled material
• Sample colors shown may vary from actual grout; final installed shade can differ based on tile type, porosity, job site conditions and finishing techniques