Siena Grout Stain ST300 is a long lasting, waterborne urethane acrylic used to change and renew the color of sanded or non-sanded grout joints. Siena Grout Stain ST300 is available in all of Siena’s 36 premium grout colors, and it also seals and protects grout from moisture and staining.
Basic Uses
Siena Grout Stain ST300 is not recommended for use under water. Store in the original container at temperatures below 100°F (40°C).