Rancho Cucamonga Roofing & Metal Fabrication | M5 Steel | Family-Owned Since 1970
11778 San Marino St, RANCHO CUCAMONGA, CA 91730
Main Services
- Gutter replacement
- Metal fabrication
- Gutter repair
- New structure construction
- New story design
- New room design
- Gutter installation
- Gutter addition
About the Local Business
M5 Steel is a third-generation, family-owned sheet metal manufacturer and superstore serving Rancho Cucamonga and the Inland Empire since 1970. Our deep roots in the community mean we understand the unique demands of local construction, from seasonal weather impacts to common architectural styles. We operate as a full-service fabricator and contractor, equipped with over 50 roll forming machines to produce custom roofing panels, gutters, flashing, and HVAC components on-site from galvanized steel, aluminum, and copper. This vertical integration allows us to offer everything from a single custom chimney cap to complete new structure construction, ensuring quality control from raw material to final installation. For over fifty years, our commitment has been to provide durable, precision-crafted metal solutions for both residential upgrades and commercial projects right here in Southern California.
Frequently Asked Questions
As a Rancho Cucamonga homeowner, I see roof flashing lifting after storms. Can M5 Steel help?
Absolutely. Improper or worn flashing is a common issue here, often leading to leaks. As a sheet metal fabricator, we don't just install generic parts; we custom-fabricate replacement flashing on-site from durable, corrosion-resistant materials like galvanized steel or aluminum. This ensures a perfect fit for your specific roof pitch and penetration, providing a long-lasting seal that stands up to our local weather patterns far better than off-the-shelf options.
Do you handle the entire process for a new gutter system, from design to installation?
Yes, we provide a complete turnkey service. Starting with a design consultation, we assess your home's specific needs for water management. Then, in our own Rancho Cucamonga facility, we fabricate the gutters and downspouts to your exact specifications using our roll-forming machines. Finally, our experienced installation team handles the full gutter addition, ensuring a seamless, secure, and functional system tailored to your property.
What are the advantages of using a local fabricator like M5 Steel for metal roofing or custom fabrication?
The primary advantage is control and customization. Being both the manufacturer and installer allows us to oversee quality at every step. We can fabricate roofing panels, architectural details, or HVAC components to your precise measurements and design requirements without relying on outside suppliers. This local fabrication capability, backed by three generations of sheet metal expertise, often results in faster project timelines, cost-effective solutions, and a final product built specifically for Southern California's climate.
Business Location & Hours
| Mon: | 6:30 AM - 3:00 PM |
| Tue: | 6:30 AM - 3:00 PM |
| Wed: | 6:30 AM - 3:00 PM |
| Thu: | 6:30 AM - 3:00 PM |
| Fri: | 6:30 AM - 3:00 PM |
| Sat: | Closed |
| Sun: | Closed |

















