Ardex - K 22 F - High Flow, Fiber Reinforced, Self-Leveling Underlayment​​​​​​​​​​​​​​​​​​​ - Gray - 50 lb

• 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

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 VB 100™
• 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

• Areas to receive a suitable floor covering material, such as carpet, vinyl, ceramic, etc. Do not use as a wear surface.
• 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