Miracle Sealants 511 Porous Plus, Gallon

Miracle Sealants
(4 reviews)
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Miracle Sealants 511 Porous Plus Sealer, Gallon

This is a VOC product. To order a gallon quantity or more, you must live outside of a VOC restricted state (See Below for more information or Click Here

Confused by Sealers? Take a look here: 
Sealer Buying Guide

Miracle Sealants 511 Porous Plus Sealer is a penetrating sealer designed for the protection of the most porous surfaces. The sealer forms an invisible barrier that is resistant to moisture and stains while allowing vapor to escape. Miracle Sealants 511 Porous Plus Sealer is not a surface coating and will not alter the natural look. All surfaces are harder and less slippery.


Sanded Grout, Terra Cotta, Cantera/Adoquin, Brick, Limestone, Sandstone, Cement, Slate, Saltillo Tile, Flagstone, Concrete Tile, Pre-Cast Concrete, Flamed & Honed Granite, Honed/Textured Marble, Polished Marble, Polished Granite


  • Interior & Exterior Use
  • Weather Resistant
  • Safe for Food Areas
  • Superior Coverage
  • Oil & Water Resistant
  • Easy to Use
  • U.V. Transparent


Apply Miracle Sealants 511 Porous Plus Sealer to all surfaces prior to grouting. This step will allow quick and easy cleanup after grouting. Grout can stain many surfaces if this procedure is not used prior to the grouting process. Apply the sealer using a Mira Brush or a clean towel. Apply enough to wet the surface. (See coverage charts)

Be careful not to saturate the open grout joints. Allow Miracle Sealants 511 Porous Plus Sealer to stand for approximately 3 - 5 minutes for maximum penetration. Any excess sealer remaining at this time should be removed by wiping the surface with a clean dry towel.

On very porous surfaces apply another application after the previous application has dried 2-3 hours. Any excess sealer that has dried on the surface creating a residue/film, may be removed by applying Residue Remover. Apply Residue Remover undiluted to the affected area with a clean dry towel.

Let it sit for 1 - 2 minutes before buffing the area with a second clean dry towel. Allow Miracle Sealants 511 Porous Plus Sealer to cure for 12-24 hours before continuing with the grouting procedure per manufacturers specification.


After Grouting:

Once grouted, make sure that all grout residue is removed from the surface with a clean sponge and water. Allow grout to dry at least 24 - 72 hours.

It covers approximately 500 - 2,000 square feet per gallon (72 - 180 square meters per 3.785 liters). 2,000 - 4,000 square feet per gallon (288 - 360 square meters per 3.785 liters) on polished surfaces.

VOC Restricted States:


Material Safety Data Sheet



  • 5
    Excellent customer service

    Posted by Gallegos Masonry

    Some of the material received was the wrong sealer, but called Stone Tooling and they immediately rectified the problem. You just don't get customer service like that anymore. We will continue to use Stone Tooling for our sealer needs, knowing that they stand behind their products and their service.

  • 5

    Posted by C

    Fast shipping. Great packaging. Had not brought in any store that pack so well like they do. Took a couple of coatings to completely seal the area. Product emits some kind of chemical as expected. Highly recommended.

  • 4
    Great service. Small detail issue.

    Posted by Mark Coleman

    After reading countless reviews and reading labels, I settled on the Miracle Sealants 511 Porous Plus to seal my recently installed travertine floors. After a thorough cleaning and drying, I applied the sealer per the manufacturer's directions. 2 coats. Easy to apply. Good protection. The seller (Bonanza Trading & Supply dba StoneTooling.com) quickly filled my order. The box arrived safely and quickly. The only issue was the sealer applicator was not included in the box. I used a smooth paint roller with good results.

  • 5
    Bought 28 Quarts 511 Porous Plus

    Posted by Unknown

    A great product, rec'd in one day after placing order. Friendly staff and execellent service. Best pricing anywhere. Highly recommended.