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Why Should You Consider a Siliconate Concrete Sealer?
March 13th, 2019 5:52 pm     A+ | a-

A Siliconate Sealer Creates a Protective Barrier at the Sub Surface

This Barrier Is Effective at Repelling Water & Other Liquids Such as Chemicals, Salts, & Oil


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A Siliconate Penetrating Concrete Sealer May Be All That You Need

For many home owners a primary concern is to seal the concrete of their garage floor in order to protect it from water intrusion, dusting, road salts, pitting, and most important, to help resist oil stains. If you want to do this at the best value and without concern about having the latest decorative finish or coating for your garage floor, then a siliconate penetrating concrete sealer may be all that you need.

Why? Although decorative garage floor coatings such as epoxy look great and do a good job of sealing the concrete, there are people who have simple “working” garages. They are not as concerned about how nice a concrete sealer looks, but rather how well it performs without a lot of expense and preparation. If you think this may be you, then here is why you need to consider a siliconate concrete sealer.

What makes a siliconate sealer different than a coating is the fact that it actually penetrates (hence the name) into the concrete floor to create a protective barrier at the sub surface. Other garage floor sealers such as acrylic, epoxy, and polyurethanes are topical in nature. They sit on top of the surface to form a protective film or coating.

A siliconate sealer works by permeating into the pores of the concrete and chemically reacting with carbon dioxide. This reaction creates a cross-linking molecular membrane barrier that is hydrophobic. This barrier is effective at repelling water and other liquids such as chemicals, salts, and oil. It’s this barrier that helps prevent liquids from transferring through the surface. In essence, water, automotive fluids, and most other liquids will tend to bead or sheet instead.

Furthermore, the chemical reaction that fills the pores and capillaries within the upper surface of the slab also tends to strengthen the surface of the concrete as well. While not as effective as a densifier for surface strength, it does help with surface wear none the less.


Benefits of Utilizing a Concrete Siliconate Sealer:

  • Forms a hydrophobic barrier to help prevent intrusion of water and other liquids
  • Reduces staining including oil, gas, and other automotive fluids
  • Helps to prevent pitting, spalling, and surface cracks from water absorption
  • Reduces concrete dusting and helps prevent efflorescence
  • Helps to prevent the harmful effects of road salts and deicing fluids
  • Inhibits mold and mildew growth
  • Breathable, water based and low in VOC’s
  • Excellent for garage floors, driveways, walkways, patios, and basement floors
  • Low cost delivers one of the best values in concrete sealers

As stated, additional benefits to consider include mold and mildew resistance as well as protection from the harmful effects of road salts and deicing fluids. This means that if your garage temperatures drop below freezing overnight, the surface will be protected from the pitting and spalling that can occur due to the expanding effects of freeze thaw cycles from melted snow and deicing fluids that can seep into the concrete.

Siliconate sealers dry to a natural looking finish without any sheen. And because a penetrating sealer is non film forming, it allows for the same anti-slip protection as bare concrete. Furthermore, you don’t have to worry about damaging the sealer if you drag sharp objects across the garage floor when working on cars or projects. They are also a favorite concrete sealer for driveways, walkways, and patios.

Other factors to consider are expense and ease of application. This is what makes a siliconate concrete sealer for your garage floor one of the best values you can find. Most 2-car garages will require only one or two gallons of sealer depending on the manufacturer. Cost is usually less than $50 a gallon for a quality product and application is much easier than applying a coating or even paint for that matter. Expect it to last up to 10 years or more before a new application is necessary.

One thing to be aware of is that penetrating sealers for concrete do not seal cracks. Cracks will still need to be repaired first in order to seal the garage floor properly.


Will a Siliconate Sealer Stop Oil Stains in Concrete?

There is one point that we want to make clear. Though siliconate concrete sealers can be fairly resistant to oil stains, they are not stain proof. In fact, there is not a penetrating sealer available that is. Only a commercial quality garage floor coating will provide close to stain proof oil protection.

The reason for this is that penetrating sealers are non-film forming. Unlike coatings, they seal the concrete at the subsurface. However, what makes a siliconate sealer unique is that they consist of a relatively larger molecular structure than most other penetrating sealers. This allows for better surface protection and better resistance to oil stains than most other concrete sealers.

For the best protection from oil stains when using a penetrating sealer, it’s important to clean them up as you see them and not let them dwell or sit for a long time. If they do sit, they will eventually seep into the very upper layer of the concrete surface and can possibly leave a faint stain once cleaned.

Click here to read the full article which was found on allgaragefloors.com


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