In FSS 50DM+™ we have redesigned our workhorse product, FSS 50DM™, to be stronger and easier to apply.

FSS 50DM+™ offers the same great performance you’ve come to expect: an amazing waterproof protective coating designed to withstand a wide range of environments. But it now offers higher strength, durability, and flexibility while being easier to spray.

In addition, the new formulation won’t freeze, so you don’t need to worry about heated storage* or shipping during the winter months.

This is a 100%-solids, fast setting, plural component, polyurea elastomer. It was primarily designed for application to properly prepared steel and metal substrates. However, due to its higher modulus and faster gel times, it also bonds well to concrete, masonry, and other properly prepared substrates.

FSS 50DM+™ can be applied horizontally, vertically, and overhead, making it ideal for industrial applications with a variety of substrates and complex geometries.

Suggested Uses:

  • Below-grade waterproofing
  • Wastewater facilities
  • Steel, galvanized, and tin secondary containment
  • Washout facilities
  • Food processing, bottling, and canning facilities
  • Mining facilities

*NOTE: In order to properly spray this product, it must be at or above 70°F and the pump equipment must still be able to bring it up to 160°F for spraying. Do not store in cold temperatures if it needs to be used right away.

  • Waterproof Membrane Suitable for Multiple Environments
  • Ideal for Metal Substrates
  • Works well on Concrete and Masonry Substrates
  • Perfect for Marine Environments
  • Can be Sprayed Horizontally, Vertically, and Overhead
  • Installation Temps from -20°F to +300°F
  • Won’t Freeze
% Solids100
Shore D Hardness50
Shore A Hardness95
Tensile Strength, psi3,217
Tensile Elongation, %353
Modulus of Elasticity, kpsi1.2 - 2.5
Tear Strength, pli493
Service Temp, °F-40° - 250° (Dry)
Gel Time3 - 5 seconds
Tack Free 5 - 7 seconds