High-performance transpirant mortar for render and masonry work made from natural hydraulic lime and ECO-POZZOLAN, particularly suitable for making “reinforced” and installation mortar. TECHNICAL DATA: Maximum diameter of aggregate: 2.5 mm. Mixing ratio: 100 parts of MAPE-ANTIQUE STRUTTURALE NHL with 16-17 parts of water (4-4.25 l of water for each 25 kg bag of product). Porosity of the mortar while still fresh: 7%. Coefficient of permeability to water vapour: 60 µ. Workability time of fresh mortar: approx. 60 minutes. Minimum applicable thickness: 10 mm. Maximum applicable thickness per layer: 40 mm. Classification: – EN 998-1 - type GP mortar, category CS IV; – EN 998-2 - type G mortar, class M 15. Storage: 12 months. Application: continuous-mixing rendering machine or gauging trowel. Consumption: approx. 17 kg/m² (per cm of thickness). Packaging: 25 kg bags.