Prism Ultimate Performance Cement Grout from Custom delivers beautiful, durable, uniform color. Ideal for virtually any tile assembly, versatile Prism is also proven at some of North America’s largest projects.This uniquely formulated ANSI A118.7 grout delivers a full spectrum of color-consistent, stain-resistant benefits. Polymer-modified Prism is rapid curing for dense joints that resist cracking and will not contribute to efflorescence. Lightweight for unmatched handling and workability, Prism contributes to LEED and comes in a palette of 40 designer-inspired colors. The professional’s go-to grout for a wide variety of tile installation projects, Prism® outperforms competing products in every way.

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