Dur-A-Hard Topcoat
Cementitious Polyurethane Coating

200/ft² (18.58/m²) per Gallon @ 10.00 mils (0.2540 mm)

09 67 20

Dur-A-Hard Topcoat Cementitious Polyurethane Coating is a roller-applied, phthalate & solvent-free, and easy to apply topcoat for the Dur-A-Hard line of cementitious polyurethane floor systems.  It is designed to provide a relatively thin-build protective coating over Uracrete flooring systems as well as uncoated concrete surfaces. Dur-A-Hard Topcoat is used to re-coat Uracrete floors, to lock in broadcasted aggregate and can also be used as a primer when required.        

  • CFIA approved; USDA accepted
  • Zero VOC’s, odorless, and non-tainting
  • Resistant to organic and inorganic chemical compounds and bacterial growth
  • Chemical and abrasion resistant
  • Easy to apply, easy to clean and sterilize
  • May be applied at low temperatures (5 degrees C)
  • Seamless waterproof slip-resistant floor topping
  • Will bond to mild steel and water-resistant plywood
  • Breathable; can be applied over green concrete

Dur-A-Hard Topcoat is a roller applied, odourless, 8-10mils flooring topcoat approved for use in the Food and Beverage Industry. Dur-A-Hard Topcoat is used to re-coat Dur-A-Hard floors, to lock in broadcasted aggregate and can also be used as a primer when required. Dur-A-Hard Topcoat is used to protect concrete floors surfaces against organic and inorganic chemical compounds, bacterial growth and withstands thermal shock under extreme cold and heat steam treatments. Dur-A-Hard Topcoat is ideal for food processing plants, hospitals, medical centers, commercial kitchens, wet areas, loading docks, garbage rooms and light-duty applications when used as a stand-alone.

Physical Properties

Please see Durex® Colour Selection Guide for available colour options.

Mix Ratio (by volume)
Adhesion to Concrete

>400 psi (concrete fails before loss of bond)

Cure Time @ 21°C
  • Foot Traffic: 12-24 hours
  • Full Service: 36-48 hours
  • Heavy-duty Traffic: 48 hours
Mix Ratio (By Volume)
  • 4 Component Kit - Part A (Resin - 2.0 kg)
  • Part B (Hardener - 2.5 kg)
  • Part C (Aggregate mix - 5.0 kg)
  • Part D (Colourant - 0.5 kg)

15-20 m2 (150-200 ft2) @ 8-10 mils per kit

Pot Life - working time @ 25°C

15 minutes. Note: Pot life is shorter at higher temperatures. Do not use below 5°C or above 30°C.

Performance Properties
Method Results
Tensile Strength


8 MPa (1,164 psi)

Abrasion Resistance CS17 Wheel 1000 GM Load 1000 Cycles


35 mg loss

Coefficient of Friction Standard Slip-Resistant

ASTM D2047


Compressive Strength


46 MPa (6,688 psi)

Flexural Strength


19 MPa (2,762 psi)

Impact Resistance @ 125 mils

MIL D3134