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Learn All About Spray Polyurea Equipment
Everything you need to know about plural-component spray equipment. More...


All About Polyurea

Polyurea is truly a remarkable coatings, linings and joint sealant technology. It is being used successfully for so many different applications today. Polyurea coatings and linings are more commonly applied over concrete and steel for corrosion protection and abrasion resistance. They also have tremendous advantages over conventional materials for joint fill and caulk applications due to their fast set nature, high elongation and durability/abrasion characteristics. Polyurea can be molded and shaped by spraying it into molds. Similarly, polyurea is also used as hard coat protective shell over expanded polystyrene (EPS) for architectural molded fascia applications.

The markets and applications are endless and rapidly on the rise. Polyurea's future uses are limited only to one’s imagination!

The main issue everyone must understand is that Polyurea by name is not a specific coating system or a specification, it is a description of a polymer TECHNOLOGY. A great technology that boasts so many different formulations and physical property ranges. There are pure polyureas (defined by the PDA) and there are hybrid polyurea systems, each possessing their own characteristics, advantages and disadvantages.

Polyurea cannot solve your protective coating or joint fill needs by itself. It must be specified and installed in combination with proper surface preparation and primers, correct manufacturer’s material formulation, proper equipment, quality control inspection and trained applicators.

The content objective of this website is to bring real life polyurea information, success and failures into perspective. Users and specifiers must take into consideration that the proper combination of formulation, spray equipment, surface preparation, primers, training and application procedures is what leads to polyurea success.

Improper training, under-rated equipment and lack of material/substrate compatibilities and preparation is what leads to polyurea failure, and for that matter, failure of any protective coating and lining system.  Always follow the system manufacturer's written guidelines for the best results.

Polyurea Advantages and Benefits

  • No VOC’s and Little to No Odor 
  • Some Systems are USDA and Potable Approved 
  • Weather Tolerant: Cures at -25ºF to >300ºF even in High Humidity 
  • Excellent Resistance to Thermal Shock 
  • Flexible: Bridges Cracks 
  • Waterproof, Seamless and Resilient 
  • Unlimited Mil Thickness in One Application 
  • Spray, Hand Mix and Caulk Grade Materials 
  • Excellent Bond Strengths to Properly Prepared Substrates 
  • Resistant to Various Solvents, Caustics and Mild Acids 
  • Low Permeability, Excellent Sustainability

What is Polyurea?

Markets and Applications for Spray Polyurea
Polyurea Definition
Polyurea Formulations & Raw Materials
     A-Side Polyisocyanate Pre-Polymer
     B-Side: Resin Blend Formulation