Engineered for Maximum Surface Protection
HardLine® is Rhino Linings’ go-to solution for extreme durability in the toughest environments. This general-purpose, two-component economical polyurethane coating is designed to withstand heavy impacts, deep abrasions, and corrosive conditions—making it ideal for bed liners, industrial, and municipal applications. With a versatile 2:1 mix ratio and the ability to spray from 1/16” to unlimited thickness, HardLine adapts to your needs. Choose between fast-curing (15-second gel time) or self-leveling (120-second gel time) formulations—both offering a smooth, tough finish that reduces noise and resists wear. Whether you’re coating armored vehicles, mining equipment, dump trucks, or street sweepers, HardLine delivers impermeable protection and long-lasting performance.
Corrosion Resistant
Weather Resistant
Impact Resistant
Chemical Resistant
- Extreme bond strength
- Bridges cracks up to ¼” (6.0mm)
- Bonds to virtually all substrates of any dimension, including metals, woods, concrete and fiberglass
- High tensile strength and tear strength properties
- 100% solids with no VOCs or solvents
- Reduces noise from vibration and impact
Hardline 21-55-120
TOUGH PROTECTION, MULTI-USE CASTING
HardLine 21-55-120 delivers durable, seamless protection for demanding environments, combining high tensile and tear strength with excellent abrasion, impact, and corrosion resistance. This two-component, 100% solids, no VOCs, slow gelling, elastomeric polyurethane lining formula provides a smoother finish for surface spraying or casting applications and bonds and flexes to virtually any substrate subject to vibration, movement, and heavy impact, making it ideal for floors, walls, secondary containment, and material delivery systems. Withstanding extreme temperatures from -40˚F to 175˚F (-40oC to 80oC), it provides long-lasting performance in industries from food processing to petrochemical, while reducing noise and resisting chemicals for a cleaner, safer, and more resilient surface.
View more Hardline 21-55-120
Hardline 21-55
HIGH-PERFORMANCE BARRIER
HardLine 21-55 delivers exceptional durability and versatility for demanding industrial environments, forming a seamless, monolithic barrier that bonds to virtually any surface—metal, wood, concrete, or fiberglass—regardless of size or shape. Its elastomeric polyurethane formula withstands vibration, movement, heavy loads, vehicle traffic, and extreme temperatures from -40°F to 175°F (-40°C to 80°C) while offering excellent impact, abrasion, corrosion, and chemical resistance. Rapid-curing and VOC-free, it’s ideal for protecting floors, walls, containment areas, and material delivery systems, reducing noise from vibration and impact while maintaining long-lasting performance.
View more Hardline 21-55
HardLine protective coatings are essential in industries requiring superior durability and resistance to harsh conditions.
- Below Grade Waterproofing
- Commercial & Institutional Flooring
- Truck Beds
- Vehicle Floor Boards
- Wheel Wells
- Rocker Panels
- Pool Vehicles
- Landscaping Vehicles
- Commercial Flooring
- Commercial Vehicles
- Trailers
- Excavators
- Snowmobiles
- Anaerobic Digesters
- Waste Water Clarifiers
- Speaker Boxes
- Dump Trucks
- Street Sweepers
- Secondary Containment
- Wall Protection
- Backhoe Loaders
- Wheel Loaders
- Bulldozers
- Trenchers
- Front Loaders