Description Product Overview ARDEX K 301 is a cement-based levelling and smoothing compound designed for repairing and resurfacing both internal and external concrete subfloors. It is formulated to withstand exposure to environmental conditions including sun, rain, heat, and cold, making it suitable for outdoor and exposed applications. This compound provides a durable, smooth surface suitable for subsequent coatings or as a wear surface in light commercial environments. It can be used over new and existing concrete, including ARDEX screeds, and is suitable for applications such as workshops, garages, courtyards, and footpaths. ARDEX K 301 offers strong performance where both surface finish and long-term durability are required. Key Features Suitable for internal and external applications Resistant to weather exposure including heat, rain, and cold Walkable in approximately 2–3 hours Application thickness from 2mm to 20mm in one coat High durability for exposed environments Can be used as a finished wear surface Suitable for hand or pump application Compatible with coatings and floor finishes Applications Levelling internal and external concrete subfloors Repair and resurfacing of worn or uneven surfaces Use in garages, workshops, and storage areas Outdoor areas including courtyards and footpaths Preparation prior to epoxy, polyurethane coatings, and tiles Applications over ARDEX screeds such as A38 Notes Mix with clean water to achieve a flowable consistency Apply using gauge rake and finish with trowel or smoothing tool Working time: Not specified by manufacturer Apply from minimum 2mm up to 20mm in one application Ensure substrate is clean, sound, and properly prepared Suitable for both internal and external conditions Allow sufficient curing before applying coatings or finishes Technical Information Technical Specifications: Type Cement-based levelling and smoothing compound Application Thickness 2mm – 20mm Walk-On Time Approx. 2–3 hours Ready for Coatings / Tiles Approx. 24 hours Coverage Approx. 6.4 m² per 20kg at 2mm Substrates New and existing concrete, ARDEX screeds Location Internal and external, above and below grade Application Method Hand or pump applied Durability Resistant to sun, rain, heat, and cold Packaging 20kg bag Shelf Life Approx. 12 months (unopened) This levelling compound is designed for applications requiring durability in exposed conditions. Its ability to perform both internally and externally, combined with rapid drying and strong surface finish, makes it suitable for professional flooring and resurfacing projects.
