Everything you need to prequalify us

Certifications, insurance, safety, and references in one place, so your estimating and project teams can vet us quickly.

For General Contractors

Capability statement

One page with our certifications, scope, and contacts.

Certifications and licenses

  • UL Qualified Firestop Contractor

  • MWBE, SBE, and DBE certified by the City and County of Denver and the U.S. Department of Transportation

  • Denver Fireproofing Supervisor License

  • Qualified for city and federally funded projects

Insurance and bonding

  • Certificate of insurance sent on request

  • General Liability Insurance: $2,000,000

  • Workers’ Compensation Insurance: $1,000,000

  • Bonding Capacity: Available upon request

Safety

  • Crews are kept current on safety regulations and installation standards

  • Safety Compliance: Crews are kept up to date on OSHA regulations, jobsite safety requirements, and industry installation standards.

  • Experience Modification Rate (EMR): Available upon request.

  • Crew Training & Certifications: Team members receive training in CPR, Mobile Elevating Work Platforms (MEWP), and manufacturer-approved firestop installation practices, including Hilti, STI (Specified Technologies Inc.), and Metacaulk systems.

  • Safety Track Record: 19 consecutive years without a lost-time incident, approaching our 20th year.

References

  • General contractor references sent on request

  • 115+ completed projects since 2007

  • Recent work includes Block 162, One River North, and CU Boulder SEEC/SEEL

How to invite us to bid

2. We price it from the drawings

We review the fire-rated assemblies and send a written proposal by your due date.

1. Send the documents

Email plans, specs, and your bid date to gilbert-herrera303@hotmail.com

3.After award

We send submittals and line up our crew with your schedule.

Common questions

Where do you work?

Across the Denver metro area, the Northern Colorado, Western Slope, Colorado Springs, WY, UT

Can you help us meet MWBE, SBE, or DBE participation goals?

Yes. We are certified by the City and County of Denver and the U.S. Department of Transportation, and we can send our certificates with our bid.

What does UL Qualified Firestop Contractor mean?

UL audits our quality program and our people. It gives you and the building owner outside proof that our installs follow tested systems.

Do you handle city firestop inspections in Denver?

Yes. We hold the Fireproofing Supervisor License that Denver requires for city inspections. We do not conduct firestop inspections ourselves, but we can and will help you coordinate

Add us to your bid list

Call 303-284-3068 or send your project details

On the Spot Firestop

Firestopping subcontractor serving general contractors across the Denver metro area.

UL Qualified Firestop Contractor · MWBE · SBE · DBE

Contact

Services

gilbert-herrera303@hotmail.com

Commerce City, CO

303-284-3068

© 2026 On the Spot Firestop. All rights reserved.