SimpleSet Pre-Mixed Thin-Set Mortar Gray 1 gal. (Model CTTSG1)

SimpleSet Pre-Mixed Thin-Set Mortar delivers a fast, mess-free solution for interior tile installations. This ready-to-use gray paste bonds porcelain, ceramic, stone, marble, granite and mosaic tile—up to 8" × 8" (extended dry time recommended for larger formats). Exceeding ANSI A136.1 Type I standards, it spreads smoothly with a V-notch or square-notch trowel, providing exceptional coverage and long-lasting results in both residential and commercial settings.

Whether you’re tackling a backsplash, shower surround or floor, SimpleSet gives consistent performance straight from the pail—no mixing, no additives, no fuss.

Key Features

• Pre-mixed paste for fast, no-mix application
• Gray color blends with grout lines and natural stone
• Ideal for ceramic, porcelain, stone, marble, granite and mosaic
• Suitable for interior walls and floors
• Exceeds ANSI A136.1 Type I for superior bond strength
• Covers approximately 40–44 sq ft per gallon with a 3/16" × 5/32" V-notch trowel
• Ready for grouting in 24 hours

⚠️ WARNING: This product can expose you to Silica, crystalline known to the State of California to cause cancer and Ethylene glycol (ingested) known to cause birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.