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Tuesday, 04 February 2014 / Published in COMPARISON OF CONCRETE SEALERS, COMPARISONS

Comparison of Concrete Sealers

Silicates: Penetrating sealers, usually densifiers, that chemically react with the concrete forming calcium silicate hydrate to fill in all voids, pores and tracts. Sodium , lithium and potassium are the most popular carriers of silicate. Best sealers for densifying, dust-proofing and hardening concrete. Indefinite protection.

SIlicate/Siliconates: Blended sealers that encompass all of the densifying benefits of a silicate with the waterproofing characteristics of a siliconate sealer. The siliconate molecules react at the surface with the carbon dioxide in the air forming a hydrophobic barrier. Sodium, lithium and potassium are the most common carriers of silicate/siliconates. Best sealers for densifying, dust-proofing, hardening and waterproofing concrete. Indefinite protection.

Silane/Siloxanes: Blended sealers that also form a hydrophobic barrier on the surface of the concrete that offer excellent water repellency. A water beading effect is a result of this type of sealer. Best sealers for sealing and protecting concrete blocks, cinderblocks, stucco and very porous concrete. 10 years of protection before needing another application

Acrylics: Topical sealers usually water based or solvent based (low sheen and high gloss respectively) that seal concrete and repel water.  Most commonly used as decorative sealers on concrete, stone, brick and masonry. Acrylics need to be reapplied quite frequently. 1-5 years of protection before needing another application.

Epoxies/Urethanes/Polyaspartics: Durable coatings that are usually applied in conjunction as part of an epoxy system. Usually consisting of a base coat, build coat and top coat with or with out decorative sand or paint chips. Excellent chemical resistance, UV and abrasion resistance properties. The toughest grade of sealers lasting about 10 years before needing another application.

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The market for concrete sealers is crowded with products all professing the same level of protection, quality, and benefits. For consumers well versed in concrete, as well as for homeowners who just want to protect their homes, the plenitude of information is overwhelming. To make matters worse, there aren’t really any websites unconnected to companies that sell concrete sealers that give reliable information. Instead, most websites only offer information that directly supports their product, which may or may not be the best actual advice. That's why we created concretesealerreviews.com, we've tested, tried and reviewed each and every concrete sealer on the market giving you our take.

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