Laticrete Stone Tech Heavy Duty Grout Sealer

Features and Benefits
  • Heavy duty protection against most stains
  • Protects grout and makes cleaning easier
  • Natural look
  • Water-based, low-solids coating
  • Interior and exterior
Where to Use
  • Grout for natural stone, ceramic, and porcelain tile
  • Expected Wear: 3 to 5 years on interior surfaces and 1 to 3 years on exterior surfaces
Directions for Use
  • Allow new grout installations to cure for a minimum of 72 hours prior to application
  • Make sure surface is clean, dry and free of waxes and coatings
  • Ensure that the surface temperature of the stone is between 50-80°F before sealing
  • Mask off and protect any baseboards or adjacent areas to avoid splashing and overspray onto surfaces not intended to be treated
  • Liberally apply using a paint pad, low-pressure chemical-resistant sprayer, narrow roller or natural hairbrush, focusing on the grout joints
  • Allow sealer to completely penetrate into the grout, 5-15 minutes
  • Liberally apply a second coat following steps 2 and 3
  • Wipe up all sealer from the surface of the tile. Use a clean, dry, lint-free, cotton towel or mop to remove excess sealer
  • If sealer was not completely wiped off and a residue appears, wipe entire surface with a towel dampened with sealer
  • Use a white nylon pad to loosen residue and follow with a clean, white absorbent towel to remove
  • A full cure is achieved after 24-48 hours; foot traffic may begin in 4 hours
  • Cover with red rosin paper, if foot traffic must resume before the recommended time periods have passed
  • Clean equipment with water
Available Sizes and Coverage
  • Pint: 75-125 sq ft.
  • 24 oz Sprayer: 100-200 sq ft.
  • Quart: 150-250 sq ft.
  • Gallon: 600-1,000 sq ft.
  • 5 Gallon: 3,000-5,000 sq ft.

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Most Helpful Reviews


Always use it!

when you professionally install ceramic tile and natural stone floors. this is by far the best sealer I have come across. I prefer the heavy duty though because you do not get as much of a glossy finish and it gives it more of a natural look, which people like

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