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Toppings and Polished Concrete Systems

Products

ARDEX K 520™

Self-Leveling Concrete Topping

  • Resurface indoor concrete and certain non-porous surfaces
  • Walk on in 2 - 3 hours, seal in as little as 24 hours
  • Polish in as little as 24 hours
ARDEX K 520
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  • ARDEX K 520

Information ARDEX K 520™

ARDEX K 520™ is a self-leveling, topping for fast-track resurfacing, smoothing or leveling of indoor concrete and certain non-porous surfaces. ARDEX K 520 can be installed up to 1″ (25 mm) thick neat and up to 3″ (7.5 cm) thick with the addition of appropriate aggregate (see Technical Data section for minimum installation thicknesses by application).

Key Features

  • A blend of Portland cement and other hydraulic cements
  • Resurface indoor concrete and certain non-porous surfaces
  • Walk on in 2 – 3 hours, seal in as little as 24 hours
  • Polish in as little as 24 hours
  • Use for interior floors only

Standards

Tested in accordance with ASTM C1708

 

Technical Data ARDEX K 520™

Installation

Mixing Ratio: 5 quarts (4.73 L) of water per 50 lb. (22.7 kg) bag
Coverage: 25 sq. ft. per bag at 1/4” (2.4 sq. m at 6 mm)
16.7 sq. ft. per bag at 3/8″ (1.6 sq. m at 9.5 mm)
12.5 sq. ft. per bag at 1/2” (1.2 sq. m at 12 mm)

Performance

Flow time: 10 minutes
Compressive strength (ASTM C109/mod – air cure only): 6,000 psi (420 kg/sq. cm.) at 28 days
Flexural strength (ASTM C348): 1,200 psi (84 kg/sq. cm.) at 28 days
Walkable: 2 – 3 hours
Min. Cure Time prior to coating: Waterborne: 24 hours
Solvent-borne and 100% solids (less than 20 mils/0.5 mm): 48 hours
High build polymer coating (greater than 20 mils/0.5 mm): 7 days
VOC: 0
Packaging: 50 lb. (22.7 kg) net weight bag
Storage: Store in a cool, dry area. Do not leave bags exposed to sun.
Shelf life: 1 year, if unopened
Warranty: ARDEX L.P. Standard Limited Warranty applies.

For complete product technical information, click on the Downloads tab and open the Technical Data download.

Information ARDEX K 520™

ARDEX K 520™ is a self-leveling, topping for fast-track resurfacing, smoothing or leveling of indoor concrete and certain non-porous surfaces. ARDEX K 520 can be installed up to 1″ (25 mm) thick neat and up to 3″ (7.5 cm) thick with the addition of appropriate aggregate (see Technical Data section for minimum installation thicknesses by application).

Key Features

  • A blend of Portland cement and other hydraulic cements
  • Resurface indoor concrete and certain non-porous surfaces
  • Walk on in 2 – 3 hours, seal in as little as 24 hours
  • Polish in as little as 24 hours
  • Use for interior floors only

Standards

Tested in accordance with ASTM C1708

 

Technical Data ARDEX K 520™

Installation

Mixing Ratio: 5 quarts (4.73 L) of water per 50 lb. (22.7 kg) bag
Coverage: 25 sq. ft. per bag at 1/4” (2.4 sq. m at 6 mm)
16.7 sq. ft. per bag at 3/8″ (1.6 sq. m at 9.5 mm)
12.5 sq. ft. per bag at 1/2” (1.2 sq. m at 12 mm)

Performance

Flow time: 10 minutes
Compressive strength (ASTM C109/mod – air cure only): 6,000 psi (420 kg/sq. cm.) at 28 days
Flexural strength (ASTM C348): 1,200 psi (84 kg/sq. cm.) at 28 days
Walkable: 2 – 3 hours
Min. Cure Time prior to coating: Waterborne: 24 hours
Solvent-borne and 100% solids (less than 20 mils/0.5 mm): 48 hours
High build polymer coating (greater than 20 mils/0.5 mm): 7 days
VOC: 0
Packaging: 50 lb. (22.7 kg) net weight bag
Storage: Store in a cool, dry area. Do not leave bags exposed to sun.
Shelf life: 1 year, if unopened
Warranty: ARDEX L.P. Standard Limited Warranty applies.

For complete product technical information, click on the Downloads tab and open the Technical Data download.