All About ArmorThane’s ArmorLiner

Home » All About ArmorThane’s ArmorLiner
  • ArmorThane's ArmorLiner voted #1 bedliner material in the world
  • ArmorLiner is a two-component, 1 to 1, 100% solid, fast set, liquid applied polyurea liner system for metal, concrete, fiberglass, and wood surfaces.
  • Join the ArmorLiner mailing list today so you can stay up to date with product news and a chance to win a free bedliner!

If your truck bed is not sprayed properly, it will be subject to dents, scratches, and marks. This can lead to permanent damage or costly repairs.

ArmorThane’s ArmorLiner is a great option if you want to give your truck a unique look and provide the highest level of protection. Whether you have a truck, SUV, or ATV, ArmorLiner provides a rugged appearance and a protective surface that protects against scratching or denting. ArmorThane’s ArmorLiner is suitable for all, from the extreme off-roader to the custom car enthusiast.


One of the best things about ArmorLiner is that it can be customized to suit your style, and it provides full-body durable security. ArmorLiner is unyielding to gouging and tears.

ArmorLiner, a 2-component, 1-to-1, solid, fast-setting, liquid applied polyurea lining system for metals, concrete, fiberglass, and wood surfaces.


The volume mix ratio of ArmorLiner is 1 part Side A to 1 Part Side B. Mix Side B Polyol Resin thoroughly with air-driven power tools until you obtain a homogeneous mixture.


Pigmentation: ArmorLiner Side A Polyol Resin demands that 100 grams of ArmorThane pigment are added to each US gallon.


Surface preparation is a key factor in polyurea performance and adhesion. Poor surface preparation is the main reason for most surface coatings’ failures. The structural strength of the substrate is what polyurea coatings depend on. All surfaces must be free from dirt, oil, and grease, as well as rust, corrosion, and any other contaminants. It is important to consider whether substrates that have been coated previously may absorb oil, grease, rust, corrosion, and other contaminants. ArmorThane is open to the possibility of unique substrates in different projects. Before any project is started, it is recommended to conduct an adhesion test. Refer to the ArmorThane Operations Manual for details on the preparation of the substrate.


ArmorLiner can be spray applied using the ArmorThane Highline plural-component spray system.

Before applying, both Side A and Side B ArmorLiner materials must be preconditioned at 80-90oF (27-32) before use.

ArmorLiner materials should not be sprayed at temperatures higher than 150°F (66°C). At all times, it is important to maintain the right pressure and temperature. ArmorLiner should always be applied in multidirectional, smooth passes to ensure uniform thickness and appearance.


ArmorLiner is available in a 100-gallon drum kit. There are 50 gallons for Side A ISO and 50 for Side B Polyol Resin.


Don’t handle chemicals until you have read and understood the Safety Data Sheets for each component. All employees must be trained in Safety Data Sheets (SDS) for all chemicals they come in contact with.

This product contains ISOCYANATE and CURATIVE MATERIAL.

ArmorLiner is good for six months after it was manufactured in original factory-sealed containers.

Keep both Side A ISO drums and Side B Polyol Resin drums at 60oF (15oC). Avoid freezing. To avoid direct contact with the ground, store drums on wooden pallets.

Rotate drums regularly if they are kept for a prolonged period. Drums should not be opened until they are ready for use.


ArmorLiner can also be used on truck bed surfaces. However, there are other uses for ArmorLiner:

  • Vapor Barrier Utility Vehicles
  • Cargo Liners Boat Linings
  • Cargo Storage for Waterproof Decking
  • Horse Trailers for Industrial Flooring
  • Walkways containment areas
  • Encapsulation of Fiberglass Foams and Polystyrene Foams

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