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BEST POLYURETHANE: Seal-Once NANO + POLY Concrete and Masonry Sealer.BEST EPOXY: TotalBoat Table Top Epoxy Resin 1 Gallon Kit.BEST ACRYLIC: Eagle Armor Seal Urethane Acrylic Concrete Sealer.BEST PENETRATING: Ghostshield Siloxa-Tek 8500 Penetrating Sealer.BEST BANG FOR THE BUCK: MasonryDefender Penetrating Concrete Sealer.
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BEST OVERALL: Foundation Armor AR350 Wet Look Concrete Sealer.Note: Not all the products we tested met our standards and made it to this list, so you’ll also see what sealer was a major disappointment. Read on to learn what to look for when shopping for the best concrete sealers and find out how each of the following sealers earned a spot in this lineup. Some sealers even offer a tint for uniform color, similar to concrete paint. A penetrating product offers nearly invisible protection, while a film-forming concrete sealer gives a smooth, durable finish.
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The best concrete sealer for you will work where intended and create your desired finish. To see which ones live up to the hype, we sealed both concrete pavers and a concrete countertop with popular products, then tested their performance against moisture, grease, dirt, and ice-melt chemicals. Applying concrete sealer can help stave off long-term damage from moisture and chemical intrusion, but there are different types available, and some perform better than others. These products provide a vital layer of defense against the possibility of unsightly staining and scuffing on concrete surfaces like countertops and patio pavers. Indoors and out, concrete lasts longer and performs better with some protection-which is what today’s concrete sealers are designed to do.