Call us 9am-7pm (EST) at (423) 503-4490

Concrete Sealer X-3


Water-Based Repellent – Natural (Invisible) Finish

Currently in Stock. Ships in 1-2 Business Days by USPS or UPS Ground (1-4 Business Days depending on your location).



Concrete Sealer X-3 is a water-based special blend of polysiloxanes/silanes that crosslink below the surface of the concrete. This makes the concrete surface water and stain repellent allowing the removal of spills more easily. Application of the sealer is either alone or on top of Concrete Sealer X-1 or Concrete Sealer X-2. This will provide double protection of the concrete with both deep sealing and a repellent finish.

This sealer is for all types of decorative and stained concrete pavers, concrete aggregate driveways and concrete walkways, bricks, clay tiles, mortar, grout, and any natural stones. Use this sealer for above-grade plaster and stucco to provide a breathable barrier against water, stains, and acids. The sealer will also seal swimming pools and fish ponds to prevent water from escaping through the concrete capillaries and pores.

It is also used in dog kennels and agricultural institutions to provide stain resistance which assists in the maintenance of these enclosures. This concrete sealer leaves an invisible or natural finish (no sheen) after application and the surface will not be slippery.

Concrete Sealer X-3 has also been proven as an effective anti-graffiti barrier. It prevents paints, aerosols, and crayons from adhering to the wall and allowing easy removal if they do.

Concrete Sealer X-3 is perfect for use in concrete ponds, swimming pools, holding tanks, and water features.

This sealer is a ready-to-use sealer and does not require the addition of an activator. This means that it does not have a limited pot life unlike some competitive sealers and it has a shelf life of at least 6 months.

Concrete Sealer X-3 is also available in custom colors.

concrete sealer X-3 repelling water

Repelling colored water on a concrete paver.


Concrete Sealer X-3 is easy to apply using a brush, medium nap roller, or low-pressure sprayer at any temperature between 40-80°F. Before treatment, the surface does not need any special treatment but it must be water, oil, and dust-free to allow proper penetration of the sealer. Check the surface of your concrete before applying this sealer to ensure it absorbs drops of water within 20-30 seconds. If it beads up then use Eco Concrete Etcher before applying this sealer. Depending on the concrete porosity, the coverage rate is approximately 200 to 400 sf/gal/app. Apply two coats 2 to 4 hours apart rather than one thick coat. Allow to cure for 24 to 48 hours without rain.

Concrete Sealer X-3 Test

The right-hand side of the paver was treated with Concrete Sealer X-3 and cured for 24 hours. Left-hand side untreated.

These pictures show colored water added to the pipe and the amount of water that leaked out into the paver.

Order a Sample of this Product

Concrete Sealer X-3 Concrete Sealer X-3 Concrete Sealer X-3