ARDEX K 530 Decorative Concrete Topping


SKU: 39910 Categories: ,


ARDEX K 530™ is a self-leveling, decorative topping for fast-track resurfacing, smoothing or leveling of indoor concrete and certain non-porous surfaces. ARDEX K 530 can be installed up to 1” (25 mm) thick neat and up to 3″ (7.5 cm) thick with the addition of approved decorative aggregates. Use ARDEX K 530 in areas where a decorative floor is desired to provide a hard, flat, smooth surface that can be sealed. Also use over concrete and terrazzo substrates in areas that require a polished surface. Sealing or polishing can proceed in as little as 24 hours.

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
  • Natural White color
  • For use as a binder for custom aggregate and colorants
  • Use for interior floors only


Tested in accordance with ASTM C1708


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)


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: Nine months, if unopened
Warranty: ARDEX L.P. Standard Limited Warranty applies.

Additional information

Weight 50 lbs

Spec Sheets

ARDEX K 530 Product Overview