Viking Firewall FR® 51679 Striped Insulated Overalls | Flame-Resistant, ARC 3, NFPA 2112 Certified, High-Visibility | Cold Weather Protection | Sizes S–4XL

Viking® Firewall FR® 51679 CSA Striped Insulated Overalls – CAT 3, NFPA 2112 Certified, Flame-Resistant, and High-Visibility Protection

The Viking® Firewall FR® 51679 CSA Striped Insulated Overalls are built for maximum warmth, safety, and visibility in hazardous, cold-weather environments. Designed with 9 oz. Westex® by Milliken® flame-resistant fabric and a 12 oz. quilted modacrylic lining with a wind and vapor barrier, these overalls provide dual-hazard protection against electrical arc flash and hydrocarbon flash fires. Certified to NFPA 2112, CSA Z462, and ASTM F1506 standards, and compliant with CSA Z96-22 Class 2, Level FR, the 51679 Firewall FR overalls are the trusted choice for professionals in oil and gas, petrochemical, and utility industries.

Key Features: Optimal Safety, Visibility, and Comfort

• Comprehensive Safety Certification – Meets PPE Category 3 standards; UL Certified NFPA 2112, CSA Z462, ASTM F1506, NFPA 70E, and CSA Z96-22 Class 2, Level FR for full regulatory compliance.

• Flame-Resistant Fabric & Insulation – Made from 9 oz. Westex® by Milliken® (88% cotton / 12% nylon) with a 12 oz. quilted modacrylic lining, providing both superior flame resistance and exceptional warmth.

• ARC-Rated Protection – ARC rating: 35 cal/cm² (CAT 3) ensures reliable performance in high-risk electrical environments.

• High-Visibility Reflective Striping – Features 2″ yellow/silver/yellow RT80 3M Scotchlite™ Reflective Material, compliant with CSA Z96-22 Class 2, Level FR, for outstanding visibility in low-light conditions.

• Comfortable, Adjustable Fit – Elastic shoulder suspenders with adjustable buckles and a flexible elastic waistband provide a secure, ergonomic fit for long work shifts.

• Easy Boot Access – Equipped with 15.5″ Nomex®-backed YKK® leg zippers, allowing easy donning and removal over work boots.

• Secure, Protective Closure – Nomex®-backed YKK® two-way breakaway front zipper with an exterior storm flap ensures durability and full coverage in harsh conditions.

• Functional Storage – Includes two lower front patch pockets, two rear patch pockets, and a right-side tool pocket for essential gear and tool storage.

• Reinforced Durability – Built with double knees and heavy-duty stitching to withstand demanding industrial environments.

Safety Standards

• PPE Category 3 (CAT 3)

• UL Certified NFPA 2112

• CSA Z462, ASTM F1506, NFPA 70E

• CSA Z96-22 Class 2, Level FR

Ideal Applications

• Oil and Gas Operations

• Petrochemical and Refinery Work

• Electrical Utility Maintenance

• Industrial Construction

• Dual Hazard Electrical Arc and Flash Fire Environments

Dependable Protection with Viking® Firewall FR®

The Viking® Firewall FR® 51679 CSA Striped Insulated Overalls are engineered for durability, comfort, and dual-hazard protection in the most demanding conditions. When paired with the Viking® Firewall FR® 55649 Insulated Parka, they provide complete flame-resistant, high-visibility coverage for professionals who can’t compromise on safety.