5.0 rating · every review
Garage floor coatings& epoxy flooringdone right.
Cornerstone Epoxy installs high-performance garage floor coatings, epoxy floors, and polyaspartic concrete coatings for homeowners and businesses across San Antonio, Bulverde & Canyon Lake. One slab at a time, done right.
Locally owned · Faith-driven · Quality focused

100% Epoxy. 100% Better.
Floors built to handle real life.
We don't cut corners — ever. Our 100% solids epoxy systems are thicker, stronger, and longer-lasting than water-based products or DIY kits. Every project starts with proper concrete prep and a moisture test, because shortcuts always show up later.
Industry-leading durability
100% solids epoxy systems built to take heat, chemicals, and daily abuse.
Beautiful, seamless finish
Hand-broadcast flakes and polyaspartic topcoats that turn heads.
On-time, professional install
We show up when we say we will and treat your space like our own.
Honest, faith-driven service
Locally owned. Clear pricing. No pressure, no surprises.
What we do
Built for every floor.
Garage Epoxy Floors
A showroom-grade finish that shrugs off oil, hot tires, and everyday wear.
Basement Floor Coatings
Brighten up the basement with a clean, moisture-tolerant coating.
Patio & Porch Coatings
UV-stable finishes built for Texas sun and outdoor living.
Commercial Epoxy Flooring
Heavy-duty floors for shops, warehouses, and retail spaces.
Pick your color
A finish that stands out.
Full flake broadcasts in a wide range of colors — neutral, modern, or bold. We bring samples to every in-person quote so you can see them on your slab in your light.

Graphite

Arctic S1

Charcoal S2

Cobalt S3

Fossil S5

Granola S6

Sahara S7

Graphite S7

Tuscany S8

Twilight S9
On the job
Real installs. Real results.








Ready to transform your concrete?
Free in-person quotes. Honest pricing. Floors you'll be proud of for years to come.
- Free estimates
- On-time install
- Locally owned
