Breathable natural hydraulic lime-based base render for external and internal use; to be applied by trowel or with a rendering machine. TECHNICAL DATA: Maximum size of aggregate (EN 1015-1): 1.4 mm. Mixing ratio: 100 parts of MAPEWALL INTONACO BASE with 19-21 parts of water (4.8-5.2 litres of water per 25 kg bag of product). Coefficient of permeability to water vapour: ? 12 µ. Workability time of wet mortar (EN 1015-9): approx. 60 min. Minimum applicable thickness: 10 mm. Maximum applicable thickness per layer: 20 mm. Classification: EN 998-1 - type GP mortar, category CS II. EMICODE: EC1 Plus - very low emission. Storage: 12 moths. Application: with a continuous-mixing rendering machine or by trowel. Consumption: 15 kg/m² (per cm of thickness). Packaging: 25 kg bags.