Precision Grout (SPG)

Product Description

Siena Precision Grout SPG is a high performance, easy to use, professional grout, made from calcium aluminate cement. SPG has an extended bucket life and can be installed up to one hour after mixing. It creates extremely durable grout joints with high early strength, allowing for foot traffic in as little as four hours. Siena Precision Grout SPG is extremely durable, offering enhanced resistance to staining, shrinking, cracking, and overall wear. Color consistent technology minimizes shading, mottling, and efflorescence. It is highly mold and mildew resistant, even in harsh and damp conditions. SPG is extremely contractor friendly; easy to use and easy to clean, even on textured and hard to clean tiles. Siena Precision Grout SPG is used in commercial and residential, interior and exterior installations, and exceeds ANSI A118.7 & A118.6 specifications.


Siena Precision Grout SPG is a high performance, stain and mildew-resistant tile grout used for grouting tile joints up to 1/2” wide in interior and exterior applications of most tiles and stones. Siena Precision Grout SPG can be used on floors and walls of residential and commercial projects.

Product Data Sheet | SDS | Grout Color Chart