Basements
Seal out moisture and make bare concrete feel like real living space.
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.
Professional Basements
Turn dark, dusty basement concrete into a bright, clean, moisture-resistant extension of your home. Onyx basement coatings seal out dampness, resist mold and mildew, and create a seamless surface that feels like living space.
Key Benefits
- Forms a moisture barrier that resists concrete dampness and musty odors
- Seamless and allergen-friendly with no grout lines or carpet fibers to trap dust
- Brightens lower-level spaces by reflecting ambient lighting
- Easy to maintain with simple sweeping and damp mopping
Best Applications
- Finished basements and home theaters
- Playrooms, craft areas, and rec rooms
- Basement utility and laundry rooms
- Storage rooms and lower-level workshops
Our Professional Installation Process
Moisture & Slab Testing
We test moisture levels and inspect for settling or hairline shrinkage cracks.
Dustless Diamond Grinding
HEPA-filtered diamond grinders profile the concrete and open the pores without filling your home with dust.
Moisture-Mitigating Coating
We apply our specialized base system, decorative finish, and protective clear topcoat.
Basements Examples
Accurate representations of the basements system.
Why Choose Onyx
Basements demand proper moisture assessment and dust-controlled preparation. Onyx uses industrial HEPA vacs and commercial vapor-resistant base coats so your basement floor stays beautiful for life.
Lifetime warranty on qualifying residential and commercial coating installations.
Basements FAQ
Basements by Application
How basements fits specific rooms, properties, and industries.
- See our applications for where this system fits.
Buying & Maintenance Guides
Cost factors, comparisons, and care for basements.
- Browse all flooring guides.
Explore Other Services
Get a Free Quote — Basements
Tell us about your basements 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