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Ardex K 525 Self-Leveling Concrete Topping 50 lb

Ardex  |  SKU: 445252
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$51.89
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Available Inventory

✗ Out of stock

Delivery and Shipping

We ship via UPS Ground and LTL to the continental USA. LTL shipments will require a scheduled and signed delivery.

Ardex K 525 is a pourable, polishable, self-leveling topping for fast-track resurfacing of indoor concrete. It can be installed from a minimum thickness of 3/8” (9 mm) up to a maximum thickness of 2” (5 cm).

Key Features

  • A blend of Portland cement, hydraulic cements and
    specialty aggregate
  • Natural dark aggregate for a natural concrete appearance
  • Resurface indoor concrete
  • Walk on in 2 – 3 hours, polish in as little as 24 hours
  • Use for interior floors only

Standards

  • Tested in accordance with ASTM C1708

Installation

  • Mixing Ratio: 3 1/2 quarts (3.31 L) of water per 50 lb. (22.7 kg) bag
  • Coverage:
    • 13 sq. ft. per bag at 3/8” (1.2 sq. m at 9 mm)
    • 8.5 sq. ft. per bag at 1/2” (0.7 sq. m at 12 mm)

Performance

  • Flow time: 10 minutes
  • Compressive strength (ASTM C109/mod – air cure only): 6,800 psi (476 kg/sq. cm.) at 28 days
  • Flexural strength (ASTM C348): 1,300 psi (91 kg/sq. cm.) at 28 days
  • Walkable: 2 – 3 hours (without E 25); 24 hours (with E 25)
  • Polishable: 24 hours (without E 25); 48 hours (with E 25)
  • Available Colors: Gray
  • 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