Dur-A-Hard HB
High-Build, Multi-Layered Broadcasted Self-Leveling Cementitious Polyurethane Flooring System
Description

Dur-A-Hard HB High-Build Self-Leveling Broadcasted Cementitious Polyurethane Flooring System is a pourable, phthalate & solvent-free, cementitious polyurethane floor system designed to provide a high build, tough and durable, non-slip textured surface for wet and dry production areas predominately in the food and beverage industry.  It consists of a layer of Dur-A-Hard HB which is then broadcasted to refusal with silica aggregates for additional strength.  It is then top coated with Dur-A-Hard Topcoat, Uraflex 100 or a recommended top coat to seal in the broadcasted aggregates at to give additional surface performance. 

Advantages
  • CFIA approved; USDA accepted
  • Zero VOCs, odorless, and non-tainting
  • Resistant to organic and inorganic chemical compounds and bacterial growth
  • Chemical and abrasion resistant
  • Thermal shock resistant and Wide Service Temperature Range (-20oC to 120oC)
  • Easy to apply, easy to clean and sterilize
  • May be applied at low temperatures (5°C)
  • Seamless waterproof slip-resistant floor topping
  • Will bond to mild steel and water-resistant plywood.
  • Anti-Microbial
Uses

Dur-A-Hard HB Self-Leveling Broadcasted Cementitious Polyurethane Flooring System is a broadcasted to refusal, odourless, 1/4” self-leveling flooring system approved for use in the food and beverage industry for heavy duty areas. Dur-A-Hard HB Self-Leveling Broadcasted Cementitious Polyurethane Flooring System is designed to protect concrete floor surfaces against organic and inorganic chemical compounds and bacterial growth, and withstands thermal shock under extreme cold and heat steam treatments.  It is designed to be installed for high demand flooring areas. 

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: 12-14 hours
  • Light Traffic: 24-36 hours
  • Full Service: 48 hours
  • Full Cure: 240 hours
Mix Ratio (by volume)

Refer to TDS Sheets of Dur-A-Hard HB, Dur-A-Hard Topcoat and Uraflex 100

Coverage (per kit)

2.1 m2 @ 4.5 mm (22.5 ft2 @ 5/16 in) / 1.4 m2 @ 6 mm (16 ft2 @ ¼ in)

Pot Life ? working time @ 21°C

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

Service Temperature

-20°C to 120°C (steam wash)

Performance Properties
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

56 MPa (8,200 psi)

Flexural Strength

ASTM C580

20 MPa (2,908 psi)

Impact Resistance @ 125 mils

MIL D3134

Pass

Tensile Strength

ASTM C307

9.3 MPa (1,400 psi)

System Layer Optional Products Per Layer Notes