Rapid High Flow Self-Leveling Underlayment- Ardex K 40™ Rapid 50LB

Rapid, High Flow Self-Leveling Underlayment

ARDEX K 40™ RAPID is a rapid, high flow self-leveling underlayment that can be used to level and smooth interior concrete, terrazzo, ceramic, and quarry tile, epoxy coating systems and non-water-soluble adhesive residue on concrete. With its rapid dry technology, contractors are able to install most flooring in as little as 2 hours.

Features and Benefits

• 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

INSTALLATION:
Mixing and Application:
Water ratio: 6 -6.5 quarts (5.68 – 6.15 L) of clean water per bag

PERFORMANCE:
VOC: 0
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.
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.

• Product Overview
• Tech Data Sheet
• Safety Data Sheet