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Your Trusted Metal Building Products Supplier in Fontana, CA
Metroll is a manufacturer and supplier of quality metal building products with over 40 years of industry expertise. As part of a global network with 40 fabrication plants worldwide, we combine competitive advantages of scale with localized service in Southern California. Our comprehensive product line includes metal roofing, wall panels, structural decking, and custom accessories engineered for strength and durability. We specialize in factory-direct solutions for residential, commercial, and industrial projects, offering Made-in-the-USA quality with rapid lead times.

Our expert team provides engineering support and personalized service, utilizing advanced tools like our 3D building designer to bring client visions to life. With ICC-certified products and a commitment to innovation, we deliver tailored solutions that meet evolving market demands while maintaining rigorous quality standards.
Services
Exposed Fastener Panels Standing Seam Panels Structural Decking Substructural Accessories Metal Buildings Custom Trim & Flashing Purlins & Girts Fasteners & Sealants Polycarbonate Panels Metal Building Doors
Highlights and features
  • We offer over 40 years of experience in metal building products manufacturing
  • Our comprehensive product line includes ICC-certified steel decking solutions
  • We provide factory-direct pricing with Made-in-the-USA quality assurance
  • Our expert team offers engineering support and personalized design assistance
  • We maintain 40 global fabrication plants with rapid delivery capabilities
Associations and certifications
  • ICC-ES
Services
Exposed Fastener Panels
Durable, cost-effective metal cladding with visible fasteners offers traditional aesthetics for commercial, industrial, and residential applications. Our PBR, LongSpan, and CoroDek panels provide strength, quick installation, and architectural appeal while meeting diverse project requirements. Engineered for longevity, these systems combine proven performance with customizable color options to suit various building designs.
Standing Seam Panels
Premium concealed-fastener roofing systems deliver modern aesthetics with superior weather protection. MetLok and RapidSeam panels feature interlocking seams that enhance durability while maintaining clean architectural lines. These solutions offer energy efficiency, easy installation, and long-term performance for both new construction and retrofit projects across multiple building types.
Structural Decking
High-performance galvanized and painted steel decking solutions engineered for roof and composite floor applications. Our B-Deck and W2 Deck systems meet strict code requirements while providing rapid installation and structural integrity. Available in multiple gauges, these products combine load-bearing capacity with fire-resistant properties for commercial and industrial buildings.
Substructural Components
Engineered cold-formed steel purlins, Z-furring channels, and eave struts provide critical structural support. Our Cee and Zee purlins offer versatile solutions for roof and wall systems, while angle and channel components ensure proper load distribution. All substructural elements are precision-manufactured to guarantee compatibility with primary building systems.
Metal Building Accessories
Comprehensive range of trims, flashings, fasteners, and closures ensure complete system performance. From ridge caps to downspouts, our accessories maintain watertight integrity while enhancing building aesthetics. We offer custom-formed trims and specialized fasteners that complement all panel systems for long-lasting, professional installations.
Questions
What types of metal building products do you offer?
We provide exposed fastener panels, standing seam systems, structural decking, substructural components, trims & flashings, fasteners, and complete metal building kits for residential and commercial applications.
Are your products available nationwide?
While based in Fontana, CA, we deliver throughout California and offer out-of-state shipping for our full product line including steel decking and panel systems.
What are your business hours?
Our Fontana facility operates Monday-Friday from 7:30 AM to 4:30 PM Pacific Time with 24/7 online quote capabilities through our ACT Building Designer.
Do you offer financing options?
Yes, we provide flexible financing solutions for metal building projects including custom structures, storage facilities, and commercial buildings.
Can I get custom-colored metal panels?
We offer extensive color options through our Color Filter tool, with painted B-Deck and specialty paint print panels available for both structural and aesthetic requirements.
Are your products ICC certified?
Yes, our B-Deck panels carry ICC-ES Evaluation Report ESR-5364, ensuring compliance with building codes and performance standards for structural applications.