QuartzlockTM Grout is a pre-mixed, ready-to-use urethane and colored quartz-based grout for ceramic, porcelain, glass and natural stone tiles on floors and walls. Quartz Lock2 Grout requires no sealing and is resistant to typical food stains and most household chemical products. Surface Art stocks all colors in both an 18lb and 9lb bucket.


The original and still the best: Excess product can be saved and used later
Pre-mixed, ready to use: UV stable colors (non-yellowing in the sun)
Highest chemical, stain and mildew resistance: No sealing required
Semi-flexible yet high crack resistance: Superior to cement grout


Contributes to USGBC LEED Credits: Shelf Life - 2 years
Water Cleanability - Pass: Water Absorption - <1%
Density - 13.8lbs / gallon: Compressive Strength - 3,500 psi
Vertical Joint Sag - Pass: VOC Content - 35 g/l
Installation Temperature - 40F to 100F

Grout Colors

224 Mushroom

255 Solid Buff

165 Antique White

245 Wheat

260 Haystack

340 Solid Grey

230 Almond

290 Chestnut

499 Jet Black

120 High White

375 Natural

210 Cream

550 Olive

240 Linen

283 Hemp

370 Raincloud Grey

285 Espresso

320 Silver Grey

270 Milk Chocolate

380 Charcoal Grey

235 Champagne

272 Dark Mocha

267 Sandstone

265 Birch

145 Bone

Installation Techniques

9lb Unit

9lb unit

18lb Unit

18lb unit