Dur-A-Hard Primer Topcoat
Cementitious Polyurethane Coating
Coverage

200/ft² (18.58/m²) per Gallon @ 8.00 mils (0.2032 mm)

NMS
09 67 20
Description

Dur-A-Hard Primer Topcoat Cementitious Polyurethane Coating is a roller-applied, 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 Dur-A-Hard flooring systems as well as uncoated concrete surfaces.  

Advantages
  • CFIA approved; USDA accepted
  • Zero VOCs, odourless 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°C)
  • Seamless waterproofing, slip-resistant floor topping
  • Will bond to mild steel and water-resistant plywood
  • Breathable; can be applied over green concrete
Uses

Dur-A-Hard Primer Topcoat Cementitious Polyurethane Coating 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 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 Primer Topcoat is used as a primer and topcoat for Uracrete flooring systems, food processing plants, including meat/poultry processing, bakeries and dairy manufacturing, hospitals and medical centres, commercial kitchens, wet areas, loading docks, garbage rooms and light-duty applications when used as a stand alone coating.

Physical Properties
 
Colour

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

Adhesion to Concrete

>400 psi (concrete fails before loss of bond)

Cure Time @ 21°C

Foot Traffic: 12-24 hours

Cure Time @ 21°C
  • Full Service: 36-48 hours
  • Heavy-duty Traffic: 48 hours
Mix Ratio (by volume)
  • 4 Component Kit
  • Part A (2.0kg), Part B (2.5kg), Part D Colorant (0.5kg) and Part C (5 kg bag)
Coverage

20-25 m² (200-250 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
Abrasion Resistance CS17 Wheel 1000 GM Load 1000 Cycles

ASTM C501

35 mg loss

Coefficient of Friction Standard Slip-Resistant

ASTM D2047

0.9

Compressive Strength

ASTM C579

46 MPa (6,688 psi)

Flexural Strength

ASTM C580

19 MPa (2,762 psi)

Impact Resistance @ 125 mils

MIL D3134

Pass

Tensile Strength

ASTM C307

8 MPa (1,164 psi)