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Self-Leveling Underlayments

Products

ARDEX K 22 F™

High Flow, Fiber Reinforced, Self-Leveling Underlayment​​​​​​​​​​​​​​​​​​​

  • Use over concrete, gypsum, wood, VCT, existing patching and leveling materials and non-water-soluble adhesive residue on concrete
  • Excellent over challenging substrates
  • Fiber reinforced
ARDEX K 22 F
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  • ARDEX K 22 F

Information ARDEX K 22 F™

Choose Fiber Reinforced

Suitable Substrates

  • Concrete (structurally sound)
  • Absorbent terrazzo on concrete†
  • Patching, leveling or fill materials
  • Plywood subfloors
  • Solid hardwood†
  • Gypsum††
  • Properly installed ARDEX moisture control systems on concrete:
    • ARDEX MC™ RAPID
    • ARDEX PU 50™
    • ARDEX VR 98™
  • Other approved, non-porous materials on concrete†:
    • Epoxy terrazzo; non-porous (non-absorbent) cementitious terrazzo
    • Ceramic, quarry or porcelain tiles
    • Epoxy coatings
    • Non-water-soluble adhesive residue
    • Concrete treated with certain curing compounds (test areas only; for full instructions, see www.ardexamericas.com/properprep)

†Must be sound, solid and well-bonded to underlying, structurally sound substrates.

††Please be advised that gypsum is inherently weak. This product will provide a solid bonding surface for new flooring, but it cannot correct the weakness of an underlying gypsum surface.

Suitable Applications

  • Above-grade
  • On-ground substrates that have been treated with a suitable ARDEX moisture control system
  • Dry areas only
  • Interior applications only

Key Features

  • Levels and smooths interior, above-grade substrates: Concrete, gypsum, wood, VCT, existing patching and leveling materials and non-water-soluble adhesive residue on concrete
  • Excellent for challenging substrates
  • Installs up to 1 1/4” (3 cm) neat, 2” (5 cm) with aggregate in most applications
  • Pourable or pumpable
  • Walkable in 2 to 3 hours
  • Install floor coverings in as little as 24 hours

Standards

SystemOne™
Tested in Accordance with ASTM C1708

Technical Data ARDEX K 22 F™

Installation

Mixing Ratio: 4.5 quarts (4.25 L) of water per 50 lb. (22.7 kg) bag
Coverage: 50 sq. ft. per bag at 1/8’’ (4.5 sq. m at 3 mm)
25 sq. ft. per bag at 1/4” (2 sq. m at 6 mm)
Coverage will vary depending on the texture of the surface being smoothed.

Performance

Flow Time: 9 minutes
Compressive Strength (ASTM C109/mod – Air cure only): 6,000 psi (420 kg/sq. cm.) at 28 days
Flexural Strength (ASTM C348): 1,600 psi (112 kg/sq. cm.) at 28 days
Walkable: 2 – 3 hours
Install Flooring: Installation thicknesses of 1/8”: 24 hours
For installation thicknesses greater than 1/8”: When confirmed dry via mat testing (estimated 2 – 3 days)
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. See ardexamericas.com/services/warranties for full warranty details.

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

BIM Objects ARDEX K 22 F™

Calculator ARDEX K 22 F™

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Information ARDEX K 22 F™

Choose Fiber Reinforced

Suitable Substrates

  • Concrete (structurally sound)
  • Absorbent terrazzo on concrete†
  • Patching, leveling or fill materials
  • Plywood subfloors
  • Solid hardwood†
  • Gypsum††
  • Properly installed ARDEX moisture control systems on concrete:
    • ARDEX MC™ RAPID
    • ARDEX PU 50™
    • ARDEX VR 98™
  • Other approved, non-porous materials on concrete†:
    • Epoxy terrazzo; non-porous (non-absorbent) cementitious terrazzo
    • Ceramic, quarry or porcelain tiles
    • Epoxy coatings
    • Non-water-soluble adhesive residue
    • Concrete treated with certain curing compounds (test areas only; for full instructions, see www.ardexamericas.com/properprep)

†Must be sound, solid and well-bonded to underlying, structurally sound substrates.

††Please be advised that gypsum is inherently weak. This product will provide a solid bonding surface for new flooring, but it cannot correct the weakness of an underlying gypsum surface.

Suitable Applications

  • Above-grade
  • On-ground substrates that have been treated with a suitable ARDEX moisture control system
  • Dry areas only
  • Interior applications only

Key Features

  • Levels and smooths interior, above-grade substrates: Concrete, gypsum, wood, VCT, existing patching and leveling materials and non-water-soluble adhesive residue on concrete
  • Excellent for challenging substrates
  • Installs up to 1 1/4” (3 cm) neat, 2” (5 cm) with aggregate in most applications
  • Pourable or pumpable
  • Walkable in 2 to 3 hours
  • Install floor coverings in as little as 24 hours

Standards

SystemOne™
Tested in Accordance with ASTM C1708

Technical Data ARDEX K 22 F™

Installation

Mixing Ratio: 4.5 quarts (4.25 L) of water per 50 lb. (22.7 kg) bag
Coverage: 50 sq. ft. per bag at 1/8’’ (4.5 sq. m at 3 mm)
25 sq. ft. per bag at 1/4” (2 sq. m at 6 mm)
Coverage will vary depending on the texture of the surface being smoothed.

Performance

Flow Time: 9 minutes
Compressive Strength (ASTM C109/mod – Air cure only): 6,000 psi (420 kg/sq. cm.) at 28 days
Flexural Strength (ASTM C348): 1,600 psi (112 kg/sq. cm.) at 28 days
Walkable: 2 – 3 hours
Install Flooring: Installation thicknesses of 1/8”: 24 hours
For installation thicknesses greater than 1/8”: When confirmed dry via mat testing (estimated 2 – 3 days)
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. See ardexamericas.com/services/warranties for full warranty details.

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

BIM Objects ARDEX K 22 F™

Calculator ARDEX K 22 F™

Contact Us

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