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Self-Leveling Underlayments

Products

ARDEX K 13™

Premium Self-Leveling Underlayment

  • Use over interior concrete, terrazzo, ceramic and quarry tile, epoxy coating systems and non-water soluble adhesive residue on concrete
  • Dual water ratio allowing high flow or standard flow installations
  • Outstanding coverage
ARDEX K 13
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  • ARDEX K 13

Information ARDEX K 13™

Choose Dual Water

ARDEX K 13™ is a premium self-leveling underlayment that is used to level and smooth interior concrete, terrazzo, ceramic and quarry tile, epoxy coating systems and non-water soluble adhesive residue on concrete prior to the installation of finished flooring – on, above or below grade.

Key Features

  • Use to level and smooth interior concrete, terrazzo, ceramic and quarry tile, epoxy coating systems and non-water soluble adhesive residue on concrete
  • A blend of Portland cement and other hydraulic cements
  • High flow – installs as thin as 1/16″ (1.5 mm)
  • Installs up to 1 1/2″ (4 cm) neat
  • Can be tapered to meet existing elevations
  • Walkable in 2 – 3 hours
  • Install moisture-insensitive tile and stone after 6 hours, most other floor coverings after 16 hours (see Installation of Flooring section in Technical Data for details)
  • Interior use only

Standards

SystemOne
Tested in Accordance with ASTM C1708

Technical Data ARDEX K 13™

Installation

Mixing Ratio:
For high-flow, thin installations: 6 quarts (5.68 L) of water per 50 lb. (22.7 kg) bag
For all other installations (up to 1 1/2″): 5.75 quarts (5.44 L) of water per 50 lb. (22.7 kg) bag

Coverage: High-Flow Installations:
28 sq. ft. per bag at 1/4″ (2.6 sq. m at 6 mm)
56 sq. ft. per bag at 1/8″ (5.2 sq. m at 3 mm)

All Other Installations:
26 sq. ft. per bag at 1/4″ (2.4 sq. m at 6 mm)
52 sq. ft. per bag at 1/8″ (4.8 sq. m at 3 mm)

Coverage will vary depending on the texture of the surface being smoothed.

Performance

Flow Time: 10 minutes
Compressive Strength (ASTM C109/mod – Air cure only): 5,300 psi (371 kg/sq. cm.) at 28 days
Flexural Strength (ASTM C348): 1,000 psi (70 kg/sq. cm.) at 28 days
Walkable: 2 – 3 hours
Install Flooring: See Installation of Flooring section in Technical Data for details.
VOC: 0
Packaging: 50 lb. (22.7 kg) 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. Also eligible for the ARDEX/HENRY SystemOne™ Warranty when used in conjunction with select HENRY® Flooring Adhesives.

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

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.

Information ARDEX K 13™

Choose Dual Water

ARDEX K 13™ is a premium self-leveling underlayment that is used to level and smooth interior concrete, terrazzo, ceramic and quarry tile, epoxy coating systems and non-water soluble adhesive residue on concrete prior to the installation of finished flooring – on, above or below grade.

Key Features

  • Use to level and smooth interior concrete, terrazzo, ceramic and quarry tile, epoxy coating systems and non-water soluble adhesive residue on concrete
  • A blend of Portland cement and other hydraulic cements
  • High flow – installs as thin as 1/16″ (1.5 mm)
  • Installs up to 1 1/2″ (4 cm) neat
  • Can be tapered to meet existing elevations
  • Walkable in 2 – 3 hours
  • Install moisture-insensitive tile and stone after 6 hours, most other floor coverings after 16 hours (see Installation of Flooring section in Technical Data for details)
  • Interior use only

Standards

SystemOne
Tested in Accordance with ASTM C1708

Technical Data ARDEX K 13™

Installation

Mixing Ratio:
For high-flow, thin installations: 6 quarts (5.68 L) of water per 50 lb. (22.7 kg) bag
For all other installations (up to 1 1/2″): 5.75 quarts (5.44 L) of water per 50 lb. (22.7 kg) bag

Coverage: High-Flow Installations:
28 sq. ft. per bag at 1/4″ (2.6 sq. m at 6 mm)
56 sq. ft. per bag at 1/8″ (5.2 sq. m at 3 mm)

All Other Installations:
26 sq. ft. per bag at 1/4″ (2.4 sq. m at 6 mm)
52 sq. ft. per bag at 1/8″ (4.8 sq. m at 3 mm)

Coverage will vary depending on the texture of the surface being smoothed.

Performance

Flow Time: 10 minutes
Compressive Strength (ASTM C109/mod – Air cure only): 5,300 psi (371 kg/sq. cm.) at 28 days
Flexural Strength (ASTM C348): 1,000 psi (70 kg/sq. cm.) at 28 days
Walkable: 2 – 3 hours
Install Flooring: See Installation of Flooring section in Technical Data for details.
VOC: 0
Packaging: 50 lb. (22.7 kg) 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. Also eligible for the ARDEX/HENRY SystemOne™ Warranty when used in conjunction with select HENRY® Flooring Adhesives.

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

Contact Us

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