ARDEX K 301™ Exterior Self-Leveling Concrete Topping is a self-leveling topping and underlayment for fast-track resurfacing and smoothing for exterior and interior applications over concrete and approved, properly prepared, non-porous surfaces, including terrazzo, epoxy coatings, and ceramic and quarry tile – on, above, or below grade.

Key Features

• A blend of Portland cements and other hydraulic cements
• Smooth new or existing concrete and approved non-porous surfaces
• Install from 1/4″ – 3/4″ (6 – 19 mm) neat and up to 2” (5 cm) with aggregate
• Walk on in 2 to 3 hours
• Freeze-thaw resistant
• Suitable for use in wet areas
• For commercial, light industrial, and residential applications
• Use for exterior and interior applications
• Suitable for use under the ARDEX MC™ Moisture Control Systems
• Can be used as an underlayment prior to installing floor covering

Standards

Tested in accordance with ASTM C1708