Breathable base render made from natural hydraulic lime and ECO-POZZOLAN, cement-free, for application on existing masonry work, including those of historical interest, and on new constructions. TECHNICAL DATA: Maximum diameter of aggregate: 1.4 mm. Mixing ratio: 100 parts of MAPE-ANTIQUE INTONACO NHL with 19-21 parts of water (4.75-5.25 l of water for each 25 kg bag of product). Porosity of the mortar while still fresh: 20%. Coefficient of permeability to water vapour: ? 12 µ. Workability time of fresh mortar: approx. 60 minutes. Minimum applicable thickness: 10 mm. Maximum applicable thickness per layer: 30 mm. Classification: EN 998-1 - type GP mortar, category CS II. EMICODE: EC1 Plus - very low emission. Storage: 12 months. Application: continuous-mixing rendering machine or gauging trowel. Consumption: approx. 14.5 kg/m² (per cm of thickness). Packaging: 25 kg bags.