The Fireguard Cube FGC 5000 4HR Double Wall Tank is a high-capacity, heavy-duty aboveground storage solution engineered for secure storage of diesel, gasoline, lubricants, and other hydrocarbon liquids. Its advanced double-wall steel construction, combined with monolithic fireproof insulation, delivers exceptional 4-hour fire resistance suitable for critical commercial, industrial, and institutional fuel storage applications.
Features and Benefits
5,000-gallon nominal capacity supports large-scale fuel or chemical storage needs.
4-hour fire-rated, double-wall steel construction with a minimum 3-inch interstitial space insulated with highly efficient fireproof material for superior fire and impact protection.
Self-contained, fully sealed design meets all secondary containment requirements—no need for traditional bund walls or additional on-site containment structures.
Interstitial space enables continuous leak monitoring, supporting environmental regulatory compliance.
Compatible with diesel, gasoline, kerosene, lubricants, jet fuel, and other hydrocarbon liquids.
Available in single or multi-compartment formats for segregated storage of multiple fuels.
Rugged exterior designed for ballistic and vehicle impact resistance, and durability in harsh environments.
Optional accessories include pump and filtration systems, various mounting options, emergency vents, monitoring sensors, and platforms.
Compliance and Safety
Built to UL-142 and UL-2085 (Fireguard/Protected Tank) standards for aboveground storage tanks.
4-hour fire rating exceeds the 2-hour industry standard, providing enhanced protection and greater site flexibility.
Meets or exceeds requirements from NFPA 30, 30A, International Fire Code (IFC), Steel Tank Institute F-941, and CARB for air emissions.
Designed for safe, reduced separation distances from buildings due to high fire resistance.
Suitable For
Commercial and retail fueling stations
Fleet operations and distribution centers
Emergency generator backup fuel systems
Aviation refueling sites
Municipal, education, healthcare, and industrial fuel storage
Projects and sites requiring the strictest fire safety and environmental protections
Construction: Mild or carbon steel inner and outer tanks with minimum 3-inch lightweight, monolithic fireproof insulation between walls
Interstitial space: Leak detectable, insulated for thermal protection
Fire Rating: 4 hours (tested to exceed industry standards)
Certifications: UL-142, UL-2085, Steel Tank Institute F-941, CARB-compliance
Options: Skid/saddle mounts, pump and filtration equipment, multi-compartment configurations, venting and monitoring accessories
Dimensions: Varies by manufacturer and specification; reference technical data sheets for precise measurements.
With superior 4-hour fire protection, unrivaled double-wall security, and total regulatory compliance, the Fireguard Cube FGC 5000 4HR Double Wall Tank offers unmatched peace of mind for organizations that prioritize safety, reliability, and operational flexibility in aboveground fuel and chemical storage.
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