The 7 Best Concrete Block Sealers (2022 reviews)

concrete block sealers
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We consider a concrete block sealer to be a worthy investment in the long run. In the following post, we will help you to select the best concrete block sealers.

Our review process:

Our Top Picks:

Best Overall:
Buy: Foundation Armor Best Sealer
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Best For Concrete Pavers:
Buy: Dominator Concrete Block Sealer
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Best For Driveway:
Buy: Quikrete Concrete Block Sealer
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Best With Product Description:
Buy: Custom Building Products Concrete Block Sealer
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Best For Bristle Brush:
Buy: Foundation Armor Concrete Block Sealer
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Best For Water Proof:
Buy: Radonseal Concrete Block Sealer
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Best For Ultra Low Voc:
Buy: Walttools Concrete Block Sealer
READ REVIEW

Best Overall: Foundation Armor Best Sealer

Foundation Armor Best Sealer
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Foundation Armor offers a variety of sealers for personal choice and yet maintains quality in all the variants. The Foundation Armor Best Sealer is expected to rain within 24 hours. The armor sx5000 wb will not change the look or color and your surface will look exactly as it did before being sealed. Moreover, it will not leave behind a visible surface film.

The sealer performed as described and it works as advertised. Lastly, the foundation armor best sealer include concrete and paver driveways, walkways, brick patios, pool decks, garage floors, above grade foundation walls, cinderblock retaining walls, basements, and chimneys.

Almost all customers opine that the sealer covers almost 1300 sq ft in 2 coats. Also, a few strongly agree that the sealer looks OK but it is noticeable. And, a few also found that the sealer allows penetration before evaporation. To sum up, buyers found this to be one of the best sealers for daily purposes.

Top Customer Quotes:
  • This comes in clear with a matte finish.
  • This provides technical support and it is stable.
  • This is made with 30 year-old flagstone slabs.
  • This will last 5 to 7 years as the seller has claimed.

Best For Concrete Pavers: Dominator Concrete Block Sealer

Dominator Concrete Block Sealer
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The Dominator Concrete Block Sealer is capable of outshining several other sealers featured in this list in overall features in its price range. The dominator concrete block sealer is flexible and it feels fantastic. The Manufacturer says: Our proprietary blend of cutting edge polymers provides the unmatched stability required to dominate the competition while providing the flexibility required to ensure a long - lasting stabilized joint. This product easily sweeps into the joints and rinses easily, cutting time on installation labor.

The sealer is ideal for cold weather and it works great. Moreover, the sealer is easy to use and it follows the directions. Finally, the dominator concrete block sealer will cause dominator polymeric sand to prematurely activate and will lead to the polymers sticking on the paver surface.

Almost all customers quickly discovered that the sealer is good for pavers patios. In addition, a few strongly agree that the sealer is easy to follow and the final results look great. And, they say that the sealer is also a weed deterrent, but it is not a preventative. To sum up, for most buyers, Dominator product was what they were looking for.

Top Customer Quotes:
  • This is in the joints, remove as much as possible before installing dominator polymeric sand.
  • This is ideal for first time and it looks great.
  • This is a streatch to finish the job.
  • This works as advertised and it is highly recommended.

Best For Driveway: Quikrete Concrete Block Sealer

Quikrete Concrete Block Sealer
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Next on the list, we've got yet another sealer that manages to win our hearts. It's the Quikrete Concrete Block Sealer and it's widely considered as the sealer that has the most suitable features. The quikrete concrete block sealer comes with awesome stuff, works as advertised and it works great. Make sure this fits by entering your model number. Further, it works well and it works for silicone caulk.

Most importantly, the quikrete concrete block sealer looks good, match for light gray and it is easy to use.

Most customers found that the sealer will be fairly easy to finish. Further, a few strongly agree that the sealer has lasted over a year and that is with driving a forklift over it. Moreover, they say that the wider the crack, the more filler you 'll need to use. To sum up, most customers found the sealer is functionally comfortable and no one questions it.

Top Customer Quotes:
  • This does not work well on large cracks.
  • This takes a short while to dry and turns a darkish gray.
  • This will be used the next time too.
  • This will not match most standard lighter color cement.

Best With Product Description: Custom Building Products Concrete Block Sealer

Custom Building Products Concrete Block Sealer
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The Custom Building Products Concrete Block Sealer might be a relatively new release, but it's still nothing short of impressive this year, thanks to multiple price cuts and added new features over the past few months. The custom building products concrete blocksealer is great for water proof and it is easy to use. Make sure this fits by entering your model number. Further, the sealer would be perfect with product description, works great and it has caused damage.

Finally, the custom building products concreteblock sealer works as advertised and it is highly recommend.

Most customers agree that the sealer can be used on a stall shower with 3x3x3x8 taped and mudded corners and seams. Furthermore, a few also found that the sealer is great for waterproofing drywall before installing tiles. With no doubts, this product passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:
  • Custom building products #lqwaf1-2 one gallon redgard wtrproofing.
  • This is (2) one gallon of redgard.
  • This is easy to brush and helps with adhesion plus the water guard.
  • This is also way more affordable than a schluter system.

Best For Bristle Brush: Foundation Armor Concrete Block Sealer

Foundation Armor Concrete Block Sealer
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If you want nothing but a sealer that is suitable, this Foundation Armor Concrete Block Sealer is certainly a wise investment. The foundation armor concrete block sealer is perfect for epoxy coatings and it looks great. won't change the look or color of the concrete. Moreover, the sealer is used for high strength and it is made for industrial grade.

Above all, the foundation armor concrete block sealer can be used alone or prior to polishing concrete floors.

Almost all buyers opine that the sealer does not offer any repellency benefits. Also, they say that the sealer will not repair compromised concrete. Moreover, they also found that this is a sealer that may prevent good adhesion of whatever you are filling your cracks with.

Top Customer Quotes:
  • This allows the lower tiers to be filled with a significant volume of water.
  • It is not traditionally recommended to apply armor l3000 to concrete earlier than 7 days.
  • Penetrates up to 2". Creates caclium silicate hydrate within the pores.
  • won't change the look or color of the concrete. Applied with a sprayer.

Best For Water Proof: Radonseal Concrete Block Sealer

Radonseal Concrete Block Sealer
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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate sealer. The Radonseal Concrete Block Sealer is exactly that - it's a simple sealer that hits all the right notes. The radonseal concreteblock sealer is breathable and suitable for cinder blocks. Make sure this fits by entering your model number. Also, it is suitable for paints, adhesives, or thinset.

Above all, the radonseal concrete blocksealer is perfect for epoxy coatings and it is good for water proof.

One customer says - "This will seal your basement.....if applied properly....period. ". Almost all buyers opine that the sealer will dry solid and never come off without abrasives. In short, buyers found this to be one of the best sealers for daily purposes.

Why We Like This:
  • Permanent - no re-applications needed. Virtually indestructible.
  • Industrial grade - the only siloxane able to seal against negative side water pressure.
  • This is paintable and it is designed for industrial grade.
  • This protects flooring by blocking water vapor transmission for slab-on-grade construction.

Best For Ultra Low Voc: Walttools Concrete Block Sealer

Walttools Concrete Block Sealer
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The Walttools Concrete Block Sealer is specially designed for your regular usage and has all useful features. The walttools concrete block sealer is a one-of-a-kind water repellent and sealer designed to provide the most natural surface possible. Open, apply and you are done. And, this is effective on many porous surfaces but is truly designed for the decorative vertical surface as it leaves a perfectly natural finish.

Above all, the walttool concrete block sealer is also re-coatable, making this ultra convenient in a concrete sealer of this type.

Why We Like This:
  • 75 sq ft coverage per 1 quart bottle (@ one coat).
  • This comes out for easy application and it is great for ultra low voc.
  • Lot of satisfied buyers.