C-15 Hardwood Floor Specialist • Lic #903508
Recreation Hall & Gymnasium Hardwood Floor Sanding & Refinishing
Restore safety, performance, and a professional appearance. We refinish gymnasiums, recreation halls, dance and martial arts studios, ballrooms, and auditoriums with dust-controlled sanding, precise court line work, and sport-grade finish systems.
Gym Floor Sanding & Refinishing Services
- Full sand to bare wood using dust-controlled equipment
- Board repairs & replacements; subfloor inspection
- Court lines, game markings, logos, and stage spike marks
- High-durability water-borne or oil-modified sport finishes
- Fast-cure options to reduce downtime
Is Your Gym or Hall Ready for Refinishing?
- Dull, chalky sheen or heavy scuffs/scratches
- Slippery spots or inconsistent traction
- Faded court lines, logos, or stage marks
- Cupping/warping, squeaks, loose boards, or water spots
Ballroom & Dance Studio Hardwood Floors
Sleek, uniform sheen and balanced traction for safe dancing and rehearsals—ideal for ballrooms, dance studios, and performance stages.
Martial Arts & Yoga Studio Floors
Flat, consistent surfaces for barefoot training and mat transitions—backed by decades of dojo experience.
Auditorium, Community Center & School Floors
Durable finishes that handle assemblies, events, and frequent chair setups while maintaining a clean, professional look.
Commercial & Retail Hardwood Floors
Scheduling around business hours with abrasion-resistant finishes for:
- Restaurants, bars, hotel lobbies
- Retail & boutique spaces
- Offices, churches, libraries
- Studios: recording, photography, fitness
Need overnight or phased work? We can sequence areas to keep your doors open.
Sport & High-Performance Hardwood Floors
- Maple athletic systems and sports-court refinishing
- High-traffic finish systems with enhanced scuff resistance
- Water-resistant sealers for entries and spill zones
- Traction tuning via gloss level and finish selection
- Line repainting: basketball, volleyball, pickleball, stage marks
Historic Hardwood Floor Restoration
Careful restoration for period floors (parquet, strip oak, maple) while preserving original character.
- Species/grade matching for targeted repairs
- Color-matching stains and blended sheen
- Old-growth/antique refinishing when feasible
Hardwood Floor Repairs & Problem Solving
We diagnose and correct underlying issues before finishing so problems don’t return.
- Cupping, crowning, and minor warping
- Water and pet-stain remediation
- Squeaks, loose boards, fastener issues
- Localized termite or impact damage
- Subfloor unevenness and minor leveling
- Blend-in repairs to reduce visible patchwork
Why Choose National Floors
- Licensed C-15 hardwood flooring contractor • Lic #903508
- 30+ years serving Bay Area schools, gyms, studios, and venues
- Dust-controlled sanding and efficient scheduling
- All work performed by our team—never rushed, never farmed out
