Below is the table which shows the top 6 best the grout sealer 2018. Each and every the grout sealer is chosen by our specialist reviewers.

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# 1 - Stonetech Heavy Duty Grout Sealer, 1-quart (.946l)

Always test in a small inconspicuous area with a 24-hour cure time to determine ease of application and desired results. 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. 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…


  • Provides heavy duty, natural look protection for grout on ceramic and porcelain tile.
  • Advanced, water-based fluorochemicals to protect against tough oil & water-based stains.
  • Grout will be easier to clean and stay clean longer.
  • Water-based low-solids coating
  • Interior & Exterior Quart: 150-250 sq. ft.


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# 2 - Miracle Sealants Grt Slr 6-ounce Grout Sealer, 6-ounce

Natural look penetrating sealer - 6 ounce. Bottle with applicator water & stain protection for: All sanded and unsanded cementitious grout joints. Grout sealer is a sealer designed for the protection of all sanded and non-sanded grout joints. Grout sealer foRMS an invisible barrier that is resistant to moisture and stains while allowing vapor to escape. Grout sealer is not a surface coating and will not alter the natural look. Grout sealer comes with a unique applicator tip for easy application.


  • Convenient applicator bottle included; applicator tip
  • Weather resistant
  • Interior and exterior use
  • Safe and easy to use
  • Coverage: 60 - 115 square feet per 6-Ounce. bottle; 5 square meters per 14 milliliters


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# 3 - Miracle Sealants 511 Qt Sg 511 Impregnator Penetrating Sealer, Quart

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  • Interior and Exterior use
  • Weather resistant
  • OK for food areas
  • U.V. Transparent
  • Coverage: 1000 - 4000 square feet per gallon; 90 - 364 square meters per 3.785 liters


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# 4 - Tuff Duck Granite, Grout And Marble Sealer 22 Oz Stone Tile

Unique, extra strength stain protector for porous natural stone and grout. Tuff Duck is a penetrating sealer which leaves the natural finish unaffected. It delivers the maximum protection for natural stones. A single quart covers up to 800 square feet. Formulated with advanced, water-based fluoropolymers. Tuff Duck stone sealer by Rocklinite Labs is specially formulated to protect against the toughest oil and water based stains. The sealer is compatible with marble, granite, limestone, slate, terrazzo, travertine, sandstone and other porous stone surfaces.


  • Maximum protection for Granite, Grout, Marble, Travertine, Limestone, Slate, and even Concrete!
  • Penetrating sealer will not affect the natural appearance of your delicate stones like Quartz
  • Twice the active ingredient as StoneTech to ensure proper protection with a single coat
  • Protects up to 5 years on interior surfaces and 3 years on exterior surfaces
  • Non-Acidic formula provides coverage for up to 800 square feet


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# 5 - Black Diamond Ugs Pt Ultimate Grout Sealer Pint

Black Diamond UGS PT Ultimate Grout Sealer Pint


  • Premium Grout Sealer
  • Easy to use
  • Repels stains
  • Inhibits growth of mold and mildew
  • Protects Grout