Business Details
46 Years
experience
Emergency
services
Commercial Roofing Experts in Fresno, CA
GC Roofing has been a trusted name in the roofing industry since 1980, dedicated to delivering exceptional service, craftsmanship, and community engagement. Founded by Gerry and Carol Thiesen, our company began as G & C Enterprises with a vision to invest in people and provide cutting-edge roofing solutions. Over 45 years, we have grown from a small operation in a living room to a respected leader in commercial and industrial roofing, specializing in metal roof systems, fabric-reinforced coatings, and preventative maintenance. Our mission remains focused on serving California's building owners, investors, and property managers while prioritizing employee development and community outreach.With a legacy of innovation, including pioneering metal restoration systems before industry approval, we combine decades of experience with advanced training to deliver energy-efficient, long-lasting solutions. Our team of certified professionals is committed to transparency, ethical practices, and ensuring every client receives personalized attention. We guarantee 10-year material warranties on select systems and provide detailed inspection reports to help clients maximize their roof investments. From emergency leak repairs to comprehensive installations, GC Roofing stands as a reliable partner dedicated to quality and customer satisfaction.
Services
Metal Roof Systems
Fabric Reinforced Roofing
Elastomeric Coating Systems
Single Ply Roofing
Preventative Maintenance
General Contracting
Details
- Year established: 1980
Highlights and features
- We offer 45 years of specialized roofing expertise across California.
- Our energy-efficient systems reduce cooling costs by up to 30%.
- Certified technicians provide detailed inspections and preventative maintenance.
- We pioneered metal restoration systems before industry-wide adoption.
- 10-year material warranties available on select roofing solutions.
What people say
Professional and diligent
Timely information requests
Detailed inspection reports
Excellent emergency response
Top-notch craftsmanship
Services
Metal Roof Systems
Our metal roof systems combine waterproofing technology with energy-efficient coatings to stop leaks and extend roof life. Using fabric reinforcement and premium caulking, we preserve existing structures without replacement. Ideal for commercial properties seeking cost-effective solutions with 10-year warranties.
Fabric Reinforced Roofing
This hybrid solution merges liquid-applied membranes with single-ply tensile strength for superior durability. The lightweight system resists weather damage while reducing cooling costs through reflective white coatings that meet energy efficiency standards.
Elastomeric Coating Systems
Liquid-applied elastomeric coatings create seamless, leak-resistant barriers that reflect sunlight and lower energy consumption. Designed for aging roofs needing revitalization, this system extends service life with minimal maintenance requirements and optional 10-year warranties.
Single Ply Roofing
High-performance PVC membranes offer durable protection for diverse commercial applications. Available in multiple thicknesses with up to 30-year warranties, these systems provide flexibility in installation methods while ensuring long-term weather resistance.
Preventative Maintenance
Our maintenance program includes bi-annual inspections, debris removal, and detailed reporting to identify issues early. By addressing minor repairs proactively, we help property owners avoid costly emergencies and maximize roof system longevity.
Questions
What roofing systems does GC Roofing specialize in?
We specialize in metal roof systems, fabric-reinforced coatings, elastomeric coatings, and single-ply roofing membranes for commercial and industrial properties.
Do you offer preventative maintenance programs?
Yes, our preventative maintenance includes annual/bi-annual inspections, debris removal, and detailed reporting to extend roof lifespan.
Are emergency roof repairs available?
We provide urgent leak repairs with 24/7 technical support and on-site inspections for emergency situations.
What energy-efficient options do you provide?
Our reflective white coatings and metal systems reduce cooling costs by up to 30% while meeting ENERGY STAR requirements.
Do you offer warranties on your services?
We provide 10-year material warranties on qualifying systems and 30-year warranties on select single-ply membranes.
What areas do you serve?
We operate throughout California, including Fresno, Bakersfield, Sacramento, and surrounding commercial hubs.
