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Overlays and Toppings

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
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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: Nine months, 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.

Calculator ARDEX K 520™

Contact Us

Questions? Please fill out the form below to contact us with any of your questions or concerns. We look forward to hearing from you, and we’ll be in touch shortly.

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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: Nine months, 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.

Calculator ARDEX K 520™

Contact Us

Questions? Please fill out the form below to contact us with any of your questions or concerns. We look forward to hearing from you, and we’ll be in touch shortly.

"*" indicates required fields

Name*
Address
This field is for validation purposes and should be left unchanged.

Case Studies: ARDEX K 520™

Case Studies

We are proud of every finished project

ARDEX has been at the forefront of the tiling and flooring industries for over 50 years. ARDEX continue to offer unbeatable quality and cost effective solutions for building projects covering all sectors of business and commerce, such as retail outlets, leisure centres, health authorities, transport premises, art and educational institutions.

See all case studies