«  View All Posts

What Are Concrete Overlays and Why Are They Used?

April 5th, 2024 | 3 min. read

By Admin

Ever walked into your garage, backyard, or even a friend’s patio and thought, “Wow, this concrete has seen better days”? Cracks, stains, and all-around wear and tear aren’t just eyesores; they’re practically begging for a makeover. But then, you think about the cost, the mess, and the hassle of ripping it all out and starting over. It’s enough to make you just live with the ugly. We hear from folks all the time at Floor Shield who share these exact feelings. They’re looking for a way to give their floors a facelift without breaking the bank. We’ve heard the sighs and seen the frowns, and yes, we know exactly how you feel.

 

Here's What You're Going to Discover Today:

  • The magic behind cementitious overlays and how they transform spaces.
  • Why these overlays are the unsung heroes of the concrete world.
  • The lowdown on their strengths and weaknesses.
  • And how to decide if they’re right for your space.

 

What are Concrete Overlays?

A cementitious overlay is like putting a thin layer of cement on top of concrete, except it has a different texture and color. Concrete overlays are made from a blend of cement, sand, polymer resins, and other additives that enhance performance, adhesion, and durability.

 

The composition of the overlay provides it with the flexibility to be applied in thin layers while maintaining strength and longevity. Overlays can be customized in terms of color, pattern, and texture, mimicking the appearance of more expensive materials like natural stone, brick, tile, or even wood.

 

People use overlays to both hide the blemished concrete and make it walkable again, and they do a very good job at this. They also self-level very well.

 

Why are Concrete Overlays Used?

  1. Aesthetic Enhancement: Concrete overlays are a popular choice for upgrading the look of dull, worn, or damaged concrete surfaces. They offer a wide range of finishes, from smooth and polished to textured and patterned, allowing for significant visual transformations.
  2. Cost-Effectiveness: Compared to tearing out and replacing existing concrete, applying an overlay is far more cost-efficient. It provides a new surface appearance without the need for complete removal and replacement of the old concrete.
  3. Durability and Longevity: Overlays can enhance the durability of a concrete surface, making it more resistant to wear, tear, and weathering. With proper installation and maintenance, they can significantly extend the life of the concrete.
  4. Repair and Resurfacing: For concrete that's cracked, spalled, or showing signs of age, overlays offer a means to repair and resurface without complete replacement. They can cover imperfections and provide a new, fresh surface.
  5. Quick Installation and Minimal Downtime: The process of applying a concrete overlay is generally faster and less disruptive than full demolition and replacement. This makes it an attractive option for commercial properties and residences alike, where minimizing downtime is crucial.
  6. Versatility: Concrete overlays can be used indoors and outdoors, on floors, walls, and ceilings, making them an extremely versatile option for property improvements.
  7. Environmental Benefits: By avoiding the demolition of old concrete, overlays contribute to reducing waste and the carbon footprint associated with the manufacturing and transportation of new concrete materials.

 

Problems with Cementitious Overlays

  1. The biggest issue with concrete overlays is that if you ever go over the top of them with a concrete coating using anything other than a latex or a stain, both the coating and the overlay will pop off the floor. If you want any additional protection for your floor with a more robust coating option, you’ll have to take out the overlay.
  2. Overlays are very thick, usually anywhere between a quarter of an inch and a half inch thick. They offer some protection to the concrete. However, overlays don’t function well when cracked and can easily expose concrete when damaged. This is a problem because overlays are typically used when concrete gets very damaged. It is much less expensive to coat the bad floor with an overlay rather than replacing the concrete.
  3. Overlays have very little protection against chemicals or anything heavy being dropped on them.
  4. If a piece of the overlay breaks off at any point, it’s gone for good. Doing touchups with an overlay is next to impossible without recoating the whole floor. If you want a more durable floor coating option, it’s better to go with an epoxy, polyurea, or polyaspartic coating.

 

Installation and Care: A Quick Guide

Putting in an overlay isn’t rocket science, but it does need a lot of know-how to get it just right. Surface prep is key—clean, repair, and prime your old concrete to give the overlay a solid foundation. This is why we recommend going with a professional to install it for you.

 

Wrapping It Up

In the context of home improvement, exterior painting, and concrete coatings, concrete overlays represent an exciting opportunity. They allow homeowners and businesses to upgrade their properties' appearance and functionality without the significant costs and inconvenience associated with replacing existing concrete surfaces. They’re versatile, budget-friendly, and can totally change the look and feel of your space. And while they have their downsides, knowing what they can and can’t do helps you make an informed decision.

 

Remember, choosing the right floor solution is about balancing your needs, aesthetics, and budget. And while overlays offer a fantastic way to revitalize your floors, it's essential to consider all options to ensure you're making the best choice for your space. At Floor Shield, we’re here to help guide you through those choices, offering expertise and honest advice to make sure your floors are staying pristine.

 

If you’re interested in talking about a flooring solution for you, contact us by filling out the form below.