6 Reasons to Seal Concrete

Why Concrete Sealing is Worth It

1. Stops Moisture in Its Tracks

Sealing concrete acts like a raincoat, keeping water from seeping into its tiny pores. This is crucial to prevent damage from freeze-thaw cycles, which can cause cracks and surface flaking.

3. Extends Durability

Think of sealing as adding a layer of armor to your concrete. It protects against wear and tear from foot traffic, vehicles, UV rays, and rain. This extra layer reduces the chances of cracks forming, keeping your concrete strong and reducing the need for costly repairs down the road.

4. Keeps It Looking Great

Sealers don’t just protect; they also enhance the look of your concrete. They come in various finishes, from matte to glossy, that can add a beautiful sheen to your surface while preserving its natural color. This is especially great for decorative concrete, as it keeps colors and patterns looking vibrant.

6. Cost-Effective Investment

Sealing isn’t overly expensive—the average cost for a typical driveway ranges between $150 and $200. While it may need reapplication every few years, it’s a small price to pay compared to the cost of major repairs later.

Different Sealant Types for Different Needs

There are several types of sealers to choose from, each tailored to specific requirements and environments:

• Acrylic Resin-Based Sealers: These sealers offer a glossy, attractive finish that enhances the natural color of the concrete. They provide moderate protection against moisture and stains, making them suitable for decorative surfaces like patios, pool decks, and interior floors. Acrylic sealers are easy to apply and affordable but may require more frequent reapplication, especially in high-traffic areas.
• Epoxy Sealers: Epoxy sealers create a thick, durable coating that is ideal for surfaces exposed to heavy foot or vehicle traffic, such as garages, driveways, and warehouses. They offer excellent resistance to abrasion, chemicals, and oil stains, making them a popular choice for both residential and commercial use. However, epoxy sealers tend to be less breathable, which means they might trap moisture beneath the surface if the concrete isn’t adequately prepared.
• Polyurethane Sealers: Known for their superior resistance to chemicals, UV rays, and abrasion, polyurethane sealers are perfect for outdoor surfaces or areas exposed to harsh conditions. They provide a tough, long-lasting barrier that can handle high levels of wear and tear, making them ideal for industrial settings, commercial spaces, and exterior applications. Polyurethane sealers offer a range of finishes, from matte to high-gloss, allowing for aesthetic flexibility.
• Penetrating Sealers: These sealers absorb deeply into the concrete, providing robust protection against moisture, stains, and other environmental elements without altering the appearance of the surface. Penetrating sealers are particularly effective for outdoor concrete exposed to rain, snow, and ice, as they allow the concrete to breathe and reduce the risk of freeze-thaw damage. They are a great choice for driveways, sidewalks, and foundations where water resistance is critical.

Each type of sealer has unique benefits, so selecting the right one depends on your specific needs, the location of the concrete, and the type of protection required.

Is Sealed Concrete Slippery?

Sealed concrete surfaces can become slippery, particularly when using a high-gloss or shiny sealer.

This is because glossy finishes tend to create a smoother surface that doesn’t provide much traction, especially when wet. This can be a concern in areas prone to water exposure, like driveways, patios, or pool decks.

Adding a non-slip additive is a practical solution for maintaining the aesthetic appeal and safety of sealed concrete. These additives, which can be mixed into the sealer or applied as a topcoat, create a textured finish that helps prevent slips and falls, ensuring the surface remains safe for walking, even in wet conditions.

Seal Your Concrete for Long-Term Benefits

Concrete Repair FAQs

How soon can I use my concrete surface after leveling? 

The polyurethane foam injection method from Groundworks allows the surface to be used on the same day as the installation. The foam cures within 15 minutes. This is far more efficient than other methods like mudjacking, self-leveling concrete, or repouring, which can take hours or days to harden.

What are signs that my concrete needs to be lifted?

Common problem signs indicating that your concrete may need to be lifted and repaired include cracks, heaving or sinking areas, or visible gaps between slabs. Unevenness can cause safety concerns, such as tripping hazards, and can also negatively impact the aesthetics of your property.

How can I prevent concrete damage?

Protect your home’s concrete surfaces through sealing techniques, ensuring proper drainage to avoid erosion, evenly distributing weight, and regular inspection and maintenance.

Leah Leitow

Content Writer

Leah is a Content Writer for Groundworks with nearly ten years of experience working in the foundation repair industry. Her experience ranges from working with homeowners to find the right solution to training inspectors and staff. In her background as a Michigan journalist, she gained invaluable insight into people's lives throughout our state. Leah lives in metro Detroit with her husband and two sons.

_{Disclaimer: “Concrete leveling” means the process by which cracked, uneven concrete is stabilized, and in many cases lifted, by means of PolyRenewal™ polyurethane foam. Groundworks does not guarantee that PolyRenewal™ can make your concrete perfectly level.}