Commercial Doors & Frames
Steel Doors & Frames, Wood Doors, Fiberglass FRP Doors, and Aluminum Doors. Fire Door Rated Door Experts.
Trusted by schools, municipalities, hospitals, and commercial facilities — backed by 35+ years of industry expertise.
Comprehensive Door & Frame Solutions
Whether you need a single security door replacement or a full facility upgrade, FLS delivers engineered solutions that meet the strictest safety, security, and compliance requirements. Our certified team partners with architects, contractors and facility managers to design, install, and service systems that protect what matters most.
Authorized Dealer Partnerships
Premium Partners, Proven Performance
As an authorized dealer for industry-leading manufacturers, we provide access to the highest-quality commercial door systems backed by comprehensive warranties and ongoing support.
Hollow Metal Express
Special-Lite – Architectural Door Systems
Eagle Door USA – Commercial Wood Doors
Industries We Serve
Protecting Northern California’s Critical Facilities
Educational Institutions
- K–12 Schools: Security upgrades, lockdown-compliant doors, fire safety
- Universities & Colleges: Dormitory security, laboratory access, administrative buildings
- Campus Safety: Integrated systems for comprehensive security protocols
Government & Municipal
- City & County Buildings: Public access with integrated security
- Courthouses: High-security entries, controlled access zones
- Public Safety Facilities: Police, fire, and emergency services buildings
Learn more about our specialized military and government security solutions.
Healthcare Facilities
- Hospitals: Infection control doors, emergency access, security zones
- Medical Buildings: HIPAA-compliant access, specialized door systems
- Long-Term Care: Safety-focused solutions for vulnerable populations
Commercial & Industrial
- Office Buildings: Professional aesthetics with built-in security
- Manufacturing:Heavy-duty doors for industrial environments
- Retail: Loss prevention and emergency egress solutions
- Multi-Family and Apartments
Why Choose FLS, Inc. for Commercial Doors
35+ Years of Proven Commercial Expertise
Technical Excellence
Certified Installation: Factory-trained installation teams for all major brands
Code Compliance: Expert knowledge of California building codes, fire ratings, and ADA compliance.
Project Management
Ongoing Support
Featured Projects Types
Solving Complex Security Challenges
School Safety Upgrades
District-wide door and frame replacements meeting modern security standards while maintaining welcoming environments.
Government Retrofits
Blast-resistant doors, security frames, and integrated access control installed with minimal disruption to operations
Healthcare Compliance
Specialized systems meeting infection control, ADA accessibility, and emergency access requirements.
Multi-Building Campuses
Large-scale installations across multiple buildings with consistent security standards and architectural aesthetics.
Service Areas
Commercial Door & Frame Services Across Northern California
Technical Excellence
Extended Service Areas:
Serving Northern California’s Most Demanding Environments
Professional Certifications & Partnerships:
Trusted By:
Frequently Asked Questions
Do you provide fire door inspections and certifications?
Can you retrofit existing frames instead of replacing everything?
How long does it take to get custom steel doors?
Do you handle ADA compliance and automatic door operators?
What industries do you specialize in?
Can you work on roll up doors?
Yes. We can work on all types of roll up doors including space-saving vertical roll-up gates for loading docks, storage facilities, and service entrances with limited horizontal clearance and frequent use.
Ready to Upgrade Your Facility’s Security?
Our commercial door specialists about-us/are ready to assess your needs and provide a detailed project proposal. Whether you’re planning new construction, renovating existing facilities, or need emergency replacement, FLS, Inc. has the expertise and resources to deliver results.
What to Expect:
Site Assessment: Comprehensive evaluation of current doors and security needs
Professional Installation: Certified technicians with minimal disruption