38 Years. One Standard.Code-CompliantFireproofing — Every Time.
38 years of expertise. From the Colorado Convention Center to high-rise residentials — we protect the structures Denver depends on.
Fireproofing & Insulation Services
From structural steel to building envelope — comprehensive fireproofing and insulation services for Colorado's most demanding commercial projects.
Spray Applied Fireproofing
Spray Applied Fireproofing
Spray-applied fireproofing (SFRM) for structural steel protection — also known in the industry as Monokote. UL-classified assemblies meeting IBC code requirements for 1-4 hour fire ratings.
Typical timeline: 1-3 weeks
- Structural Steel Protection
- UL-Classified Assemblies
- 1-4 Hour Fire Ratings
- IBC Code Compliant
Intumescent Fireproofing
Intumescent Fireproofing
Thin-film intumescent coatings that expand when exposed to heat, providing fire protection while maintaining architectural aesthetics.
Typical timeline: 2-4 weeks
- Aesthetic Finish
- Thin-Film Application
- Exposed Steel Compatible
Firestopping
Firestopping
Firestopping systems for penetrations, joints, and openings in fire-rated walls and floor assemblies to maintain compartmentalization.
Typical timeline: 3-5 days
- Wall & Floor Penetrations
- Joint Systems
- UL Systems
Spray Insulation
Spray Insulation
Spray-applied insulation for commercial buildings — not spray foam. Using industry-leading products like Monoglass and K-13 for superior acoustical, thermal, and energy performance.
Typical timeline: 1-2 weeks
- Acoustical Performance
- Thermal Insulation
- Energy Efficiency
- Sound Attenuation
What Our Clients Say
“It was a pleasure working with you. Thanks for working with us out at Avon.”
“This was my best experience working with Andrex so far in my career.”
“We really appreciated the job walks and communication provided from your team.”
“It has been a pleasure working with your team on this project.”
“Keep communicating what your team does, procedures of the application/product performance.”
“Andrex was very responsive on pricing and performing the scope of work. Proposals turned around quickly.”
Ready to protect your next project?
One contract, one point of contact, zero coordination headaches.
Fireproofing Projects in Colorado
From convention centers to residential towers — our work protects Colorado's most important structures.
Colorado Convention Center Expansion
Spray-applied fireproofing on structural steel for this major vertical expansion adding ~220,000 sq ft of new space, including an 80,000 sq ft column-free ballroom and rooftop terrace overlooking downtown Denver.
Colorado School of Mines C+PK II
Intumescent fireproofing on exposed interior structural steel where aesthetics were critical, plus spray-applied fireproofing throughout the parking garage structure. LEED Certified project.
Micron Facility Renovation
Spray-applied fireproofing and spray-applied insulation for the renovation of the Micron data center facility, ensuring code compliance and energy efficiency throughout.
DHA Flo Apartments
Intumescent coatings and spray-applied fireproofing to protect structural steel throughout this 188,259 sq ft affordable housing development for Denver Housing Authority.
Modera University Park
Intumescent and spray-applied fireproofing for this luxury mid-rise community with 234 apartment homes, pursuing National Green Building Standard Gold certification.
Let's protect your next build.
38 years of experience. BBB A+ rated. Crews available for Q2 2026.
BlazeShield II, Cafco WB4/WB5
Intumescent & Firestop Systems
Intumescent Coatings
Spray Insulation
Firetex Intumescent
Intumescent Coatings
BlazeShield II, SprayFilm WB3Why General Contractors Choose Andrex
38 Years of Expertise
Since 1988, we've been Denver's go-to fireproofing and insulation subcontractor. Nearly four decades of deep industry knowledge means fewer surprises, tighter schedules, and proven results.
Trusted by Top GCs
Hensel Phelps, DPR, Weitz, Flintco, and Shaw Construction — Colorado's premier general contractors trust Andrex to deliver on their most critical projects.
Full-Service Capabilities
SFRM, intumescent coatings, firestopping, and spray insulation — all from a single subcontractor. One contract, one point of contact, zero coordination headaches.
Code Compliance Guaranteed
Every installation meets or exceeds IBC requirements. UL-classified assemblies, proper documentation, and inspection-ready results — every single time.
Safety-First Culture
Safety is non-negotiable. Our crews are OSHA certified, trained, and committed to the highest safety standards on every jobsite. We maintain an EMR below 1.0.
Local. Responsive. Reliable.
Based in Denver at 1570 S Acoma St. When your schedule shifts, we adapt. When you need an answer, you get it the same day. That's the Andrex difference.
Nicole grew up on jobsites with her father, Max Jamshidi, the company's founder. Today she leads Andrex with the same hands-on approach — personally managing relationships with DPR, Hensel Phelps, Weitz, and other top GCs across the Front Range. Her construction management degree and second-generation industry knowledge make her uniquely qualified to understand both the technical and business sides of every project.
Calculate My Project Cost
Tell us about your project and we'll get back to you quickly with a detailed estimate. No obligation, no pressure — just expert guidance from a team that's been doing this for 38 years.