Dur-A-Hard SL - Self Leveling Cementitious Urethane System
Self Leveling Food Processing Floor System
Description

Dur-A-Hard SL Self-Leveling Cementitious Polyurethane Flooring System is a pourable, phthalate & solvent-free, cementitious polyurethane floor topping system designed to provide a tough and durable, non-slip textured surface for wet and dry production areas predominately in the food and beverage industry.

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 (-10oC 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

 

Uses

Dur-A-Hard SL Self-Leveling Cementitious Polyurethane Flooring System is a squeegee-applied, odourless, 1/8” – 1/4” self-leveling flooring system approved for use in the food and beverage industry. Dur-A-Hard SL Self-Leveling 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. Dur-A-Hard SL Self-Leveling Cementitious Polyurethane Flooring System is ideal for pharmaceutical laboratories and clean rooms, chemical processing plants and containment storage rooms, production processes exposed to aggressive chemicals, food processing plants, including meat/poulty processing, bakeries and dairy manufacturing. It is also used for hospitals and medical centres, commercial kitchens, wet ares, loading docks, garbage rooms and wet and high-impact 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)

4 Component Kit
Part A (2.5kg), Part B (2.5kg), Part C (11 kg bag) and Part D Colourant (0.1Kg)

Coverage per Kit

2.8 m2 @ 3 mm (30 ft2 @ 1/8 in) /
1.4 m2 @ 6 mm (15 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

-10°C to 120°C (steam wash)

Performance Properties
Abrasion Resistance

ASTM C501

CS17 Wheel 1000 GM
Load 1000 Cycles

35 mg loss

Coefficient of Friction Standard Slip-Resistant

ASTM D2047

0.9

Compressive Strength

ASTM C579

52 MPa (7,560 psi)

Flexural Strength

ASTM C580

20 MPa (2,908 psi)

Impact Resistance @ 125 mils

MIL D3134

Pass

Tensile Strength

ASTM C307

52 MPa (7,560 psi)

System Layer Optional Products Per Layer Notes
Primer
Optional
Top Coat