Regular maintenance and repair can help go a long way in keeping your concrete floors looking great. One long-term solution to this is a quality concrete sealer.
Designed for surface protection against water damage posed by freeze-thaw processes, stain, oil as well as other chemicals, they can extend the life of the concrete surfaces efficiently.
Their potency, nonetheless, depends on the right choice you’ll make among the thousands of options available in the market.
With this, we set out to explore five of the best concrete sealers that can complement any type of concrete.
Hand-picked and inspected by masonry experts, they will give you satisfying results that are comparatively better than what most brands could provide.
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1. Ghostshield Siloxa-Tek 8500 Concrete Sealer
250 square feet per gallon per coat
Ghostshield is another brand of Kretetek, a company that specializes in concrete sealers, densifiers, and other similar items intended for both residential and commercial applications. To create the most powerful formulas, all of their products are meticulously designed utilizing innovative nanotechnology and advanced chemistry. Ghostshield Siloxa-Tek 8500 Concrete Sealer is just one of those items, which uses silane or siloxane to make indoor and outdoor surfaces look spectacular. It is a waterproof, deep-penetrating repellent that restricts the surface from the freeze-thaw cycles and from damaging water solutions. Its intelligent nanoparticles have even deeper penetration, adding an extra layer of protection, thanks to its long-established hydrophobic agents and the latest advances in nanotechnology.
2. Armor AR350 Concrete Sealer
175 square feet per coat per gallon
AR350 is a worthwhile investment if you have concrete that is exposed to extreme environmental conditions or workplace pressures. One of the benefits of this concrete sealer is that it can be used on a variety of surfaces and makes no difference whether the concrete you're dealing with was sealed or not. It is a low-cost pail that protects your concrete for a long time while also improving its appearance. It is sold in 5-gallon seals and one seal offers coverage of 875-1225 square feet on aged and porous surfaces. Even so, it provides 1,250 to 1,625 square feet of protection on thick and trowel-finished hardened concrete. Keep in mind that these figures only apply to a single coat and will always vary depending on the type of surface you have.
3. KILZ L390201 Sealer
250 - 400 square feet per gallon per coat
KILZ has been manufacturing high-quality primers and paints for over 40 years, and the KILZ L390201 Sealer is yet another outstanding product. It boasts a high-solid, acrylic-based formulation seal that covers and embellishes high-gloss wet-look concrete and maceration surfaces. It can be used as a protective coating for painting or staining and is excellent for using on recently coated or originally uncoated indoor or outdoor surfaces. It's an excellent concrete sealer that gives the concrete a sheen and is a lot less expensive than most other brands. It dries easily, doesn't stain, is completely colorless, and odorless.
4. EnduraSeal Concrete Sealer
150 - 300 square feet per gallon
EnduraSeal Concrete Sealer is a deep-penetrating acrylic semi-gloss concrete sealer. It is solvent-based acrylic, so it can endure prolonged exposure to sunlight, which makes it ideal not only indoors but also in outdoor applications. This product comes in 5-gallon drums and provides coverage in the range of 150 to 300 square feet per gallon. Keep in mind that the substrate's porosity and the process you use to apply it will influence the resulting coverage. It generates semi-gloss polish that enhances the majority of substrates and its wet-look finish enhances the dull and old concrete surfaces.
5. ToughCrete Concrete Sealer
600 square feet per gallon
ToughCrete Concrete Sealer penetrates the concrete to provide long-term coverage not just on the top-floor surface, but also underneath the ground surface. It's suitable for outdoor use, but it also fits well as a garage floor sealer. Siloxane products are an environment-friendly formula that can prevent oxidation, salt damage, including water damage. You may use it as a full capacity or diluted, or even both, depending on how heavily damaged a particular surface is. In every case, this concrete sealer performs admirably.
Best Concrete Sealers - Buyer's Guide
Concrete sealers are divided into two broad classifications, penetrating and topical concrete sealers. Several penetrating concrete sealers are formulated from siloxanes, silicones, silanes, as well as silicates that displace into the concrete. With its active compounds reacting with the blocking component, the concrete pores may be covered and sealed. The topical concrete sealer, on the other hand, covers the entire top surface. and has outstanding adhesion properties that serve as a protective shield over the concrete.
Furthermore, more options such as acrylic concrete sealer that covers the concrete with a thin layer of protection and is a cost-effective alternative that is simple to apply and flexible to use. There is also a polyurethane concrete sealer that is a thicker and much more durable kind of sealer unlike acrylic, and a thick and durable solution of sealing that is provided by an epoxy concrete sealer.
For the highest strength and protection against moisture accumulation, use a deep penetrating sealer. These sealers are best used in high-traffic areas outside. Instead of using an acrylic concrete sealer, you might use a penetrating type of sealer to provide excellent protection while maintaining the concrete's appearance largely unchanged. Be sure to pick a coating that is suitable for your concrete surface.
Different sealers have different finishes that can enhance the appearance as well as the maintenance of the concrete surface. Your sealer should provide UV protection for exterior concrete to avoid yellowing. It must also be water-resistant, long-lasting, and breathable. You may also have to consider getting an anti-slip finishing to prevent being slippery. You might get maximum protection while maintaining the appearance of concrete with a penetrating sealer, or you might pick an acrylic sealer designed to give a fresh look. Then again, you can use high-gloss sealers or low-gloss sealers based on your preferences.
Make sure that the product comes with enough sealer to cover the area you want to seal. The majority of companies provide coverage rates that are just anticipated. As estimated, coverage rates range from 50 to 400 square feet per gallon. That being said, keep in mind that it depends entirely on the porosity of the concrete surface, and the coverage area may change over time.
Water and salt are the two most harmful elements to your concrete surface. Because of the freeze-thaw phases, moisture can permeate into the pores of the concrete and result in physical damage to the substrate. Moreover, salt can oxidize and degrade the concrete. Note that sea breeze right on the coast, lawn compounds, ice melt, and other triggers may cause this. So if your climate is prone to moisture or salt, invest in a deep penetrating concrete sealer for maximum protection.
Best Concrete Sealers - FAQs
No, not necessary but for the record, a concrete sealer can allow you to prevent cracks, dirt, and scuff marks on your concrete floors
It varies entirely on the type of sealer you use. The majority of active chemical sealers are almost transparent as they penetrate the concrete, while the acrylic and epoxy sealers provide an enormous shift in colors as well as comes with an extremely brilliant wet-look for concrete. Moreover, topcoat sealers like urethanes are available in a wide variety of finishes, ranging from matte to glossy.
Chemically active sealers penetrate the concrete the longest possible time and will usually eventually fade over time until the substratum itself starts to break down. It's possible to get similar lifetime output with an epoxy or urethane coating, which usually lasts 5 to 10 years of normal exposure. On the other hand, an acrylic-based sealer can only last from 1 to 3 years.
As for most chemicals, it is worth researching a little in advance. Verify if your sealer contains VOCs or volatile organic compounds because this could affect your health. Bear in mind that the best choices are the ones that offer low-odor as well as no VOC sealers.