
Stain & Seal
Penetrating stains and sealers that deepen bare concrete and protect it from weather.
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Professional Stain & Seal
Concrete staining and sealing highlights the natural character of existing concrete while providing vital protection against stains, de-icing salts, and weather damage. Penetrating dyes and stains infuse rich color into the slab, sealed beneath a breathable protective topcoat.

Key Benefits
- Enhances natural concrete mottling and texture without a thick topical film
- Protects against moisture intrusion, freeze-thaw spalling, and UV degradation
- Resists oil, water, and household beverage staining
- Cost-effective solution for large exterior or interior concrete areas
Best Applications
- Outdoor patios, walkways, and driveways
- Modern interior lofts and finished basements
- Commercial retail and restaurant spaces
- Pool decks and outdoor entertainment areas
Our Professional Installation Process
Deep Cleaning & Prep
Concrete is cleaned, degreased, and opened to receive penetrating stain.
Stain Application
Penetrating semi-transparent acid or water-based stains are applied to achieve rich color.
Protective Sealing
Application of commercial-grade clear sealers in matte, satin, or gloss finish.
Stain & Seal Examples
Accurate representations of the stain & seal system.





Why Choose Onyx
We match the exact sealer chemistry (acrylic, siloxane, or polyaspartic) to the moisture and exposure conditions of your specific slab.
Lifetime warranty on qualifying residential and commercial coating installations.
Stain & Seal FAQ
Stain & Seal by Application
How stain & seal fits specific rooms, properties, and industries.
- See our applications for where this system fits.
Buying & Maintenance Guides
Cost factors, comparisons, and care for stain & seal.
- Browse all flooring guides.
Explore Other Services
Get a Free Quote — Stain & Seal
Tell us about your stain & seal project and a Onyx team member will reach out.
We keep it simple — just First Name, Email, and Phone Number. No unnecessary questions.
GET YOUR FREE ESTIMATE
Answer a few quick questions and book your in-home consultation.
What Service Are You
Interested In?
Choose one — you'll continue automatically.
Floor Coating Ideas
Floor Coating Ideas for Denver Homes and Businesses
Explore coating options for garages, basements, patios, showrooms, and more across Denver, CO and surrounding areas.
Beck Q.
Garage floor coating
5.0A Garage That Feels Finished
A decorative flake finish gives the garage a more finished look and makes everyday cleanup easier.
Posted on Google
Terry O.
Basement floor coating
5.0A Basement Ready for Everyday Use
Give a bare concrete basement a clean, finished surface for a rec room, workshop, or extra living space.
Posted on Google
Lucky P.
Patios and pool decks
4.5A Fresh Look for Outdoor Concrete
Update the look of your patio or pool deck with a finish chosen for outdoor use and the way you spend time in the space.
Posted on Google
Cath C.
Home gym floor coating
5.0A Cleaner Look for a Home Gym
Finish the concrete beneath your workout equipment with a surface that's easy to sweep and wipe down between sessions.
Posted on Google
Karl B.
Showrooms and retail
5.0A Floor That Fits the Showroom
Choose a finish that complements your displays and gives customers a consistent look as they move through the space.
Posted on Google
Sarah C.
Auto service shop floor coating
4.5A Coating for a Hardworking Shop
Choose a coating system based on the traffic, equipment, and routine cleanup your shop floor sees every day.
Posted on Google
SERVING DENVER, COLORADO AND THE SURROUNDING AREAS
Serving Denver, CO and surrounding areas. Reach out for a free quote on your garage, commercial, or industrial flooring project.
Onyx Surface Coatings
Denver, CO
