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

Description
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















