Subfloor Preparation
Products
ARDEX K 40™ RAPID
Rapid, High Flow Self-Leveling Underlayment
- Use to level and smooth interior concrete, terrazzo, ceramic and quarry tile, epoxy coating systems and non-water-soluble adhesive residue on concrete
- Rapid dry technology – Install most flooring in as little as 2 hours*
- Levels from 1/8” (3 mm) up to 1” (24 mm) thick
Information ARDEX K 40™ RAPID
Suitable Substrates
- Concrete (structurally sound)
- Absorbent terrazzo on concrete†
- Properly installed ARDEX moisture control systems on concrete:
- ARDEX MC™ RAPID
- 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; see “Proper Prep” page for instructions)
† Must be sound, solid and well-bonded to underlying, structurally sound concrete substrates.
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
- Rapid dry technology – Install most flooring in as little as 2 hours
- Levels from 1/8” (3 mm) up to 1” (24 mm) thick
- Interior use only
Standards
SystemOne™
Technical Data ARDEX K 40™ RAPID
Installation
Mixing and Application:
Water ratio: 6 -6.5 quarts (5.68 – 6.15 L) of clean water per bag
Performance
Coverage: 56 ft² (5.2 m²) at 1/8” (3 mm); Coverage varies with texture of substrate surface.
Max. Thickness: Up to 1” (24 mm); see the “Thickness of Application” Section in Technical Data on Downloads tab.
Flow Time: 10 minutes
Compressive Strength (ASTM C109/mod – Air cure only): 8,000 psi (562 kg/cm²) at 28 days
Flexural Strength (ASTM C348): 2,000 psi (140.6 kg/cm²) at 28 days
Drying Time: See the “Drying Time and Installation of Flooring” section in Technical Data on Downloads tab.
VOC: 0
Packaging: 50 lbs (22.7 kg) bag
Storage: Store in a cool, dry area. Do not leave bags exposed to the sun.
Shelf Life: 9 months, if unopened and properly stored.
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 www.ardexamericas.com/services/warranties for full warranty details.
For complete product technical information, click on the Downloads tab and open the Technical Data download.
Downloads ARDEX K 40™ RAPID
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
Information ARDEX K 40™ RAPID
Suitable Substrates
- Concrete (structurally sound)
- Absorbent terrazzo on concrete†
- Properly installed ARDEX moisture control systems on concrete:
- ARDEX MC™ RAPID
- 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; see “Proper Prep” page for instructions)
† Must be sound, solid and well-bonded to underlying, structurally sound concrete substrates.
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
- Rapid dry technology – Install most flooring in as little as 2 hours
- Levels from 1/8” (3 mm) up to 1” (24 mm) thick
- Interior use only
Standards
SystemOne™
Technical Data ARDEX K 40™ RAPID
Installation
Mixing and Application:
Water ratio: 6 -6.5 quarts (5.68 – 6.15 L) of clean water per bag
Performance
Coverage: 56 ft² (5.2 m²) at 1/8” (3 mm); Coverage varies with texture of substrate surface.
Max. Thickness: Up to 1” (24 mm); see the “Thickness of Application” Section in Technical Data on Downloads tab.
Flow Time: 10 minutes
Compressive Strength (ASTM C109/mod – Air cure only): 8,000 psi (562 kg/cm²) at 28 days
Flexural Strength (ASTM C348): 2,000 psi (140.6 kg/cm²) at 28 days
Drying Time: See the “Drying Time and Installation of Flooring” section in Technical Data on Downloads tab.
VOC: 0
Packaging: 50 lbs (22.7 kg) bag
Storage: Store in a cool, dry area. Do not leave bags exposed to the sun.
Shelf Life: 9 months, if unopened and properly stored.
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 www.ardexamericas.com/services/warranties for full warranty details.
For complete product technical information, click on the Downloads tab and open the Technical Data download.
Downloads ARDEX K 40™ RAPID
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