ARKICAL BASE is a highly breathable mineral base mortar formulated with high-purity lime, selected fillers, and special additives, completely free of Portland cement. Designed for leveling interior and exterior walls and facades, it is ideal for heritage restoration, bio-architecture, or new construction projects requiring a solution compatible with traditional construction systems. Its advanced composition offers superior workability, excellent adhesion, water-repellent properties, and allows walls to breathe naturally, preventing condensation and moisture buildup.
Portland cement-free formulation, based on high-purity lime, selected mineral aggregates with controlled granulometry and special additives.
High breathability (permeable to water vapor)
Compatible with restoration and bioarchitecture systems
Excellent workability and adhesion
Water-repellent properties
Portland cement free
Ideal as a base for mineral finishes such as ARKICAL FINO and ARKICAL XF
Applicable indoors and outdoors
Recommended thickness: between 10 and 15 mm
Compatible with: masonry, stone, ashlar, partition, block, lime mortars and mixed mortars
Do not apply on surfaces with synthetic coatings or plaster
The supports must be clean, firm, free of dust, grease, or loose or poorly adhered elements.
Substrate preparation : Moisten lightly if very dry. Remove dust, salts, loose particles, and dirt.
Mix : Pour 4.5 to 5 L of water per 25 kg bag, mix for 3 minutes until a smooth paste is obtained. Let stand for 5 minutes and mix again.
Application : Apply with a trowel or sprayer in 10 to 15 mm layers. Can be applied in two coats if necessary.