Salt-resistant, breathable, lime and ECO-POZZOLAN scratch-coat mortar applied as a base layer for de-humidifying, breathable and “structural” render. TECHNICAL DATA: Maximum diameter of aggregate: 2.5 mm. Mixing ratio: 100 parts of MAPE-ANTIQUE RINZAFFO with 25-27.5 parts of water (5-5.5 l of water for each 20 kg bag of product). Porosity of the mix while still fresh: 6%. Coefficient of permeability to water vapour: ≤ 30 µ. Workability time of fresh mortar approx. 1 hour. Maximum applicable thickness: 5 mm. Classification: EN 998-1 - type GP mortar, category CS IV. Storage: 12 months. Application: continuous-mixing rendering machine or gauging trowel. Consumption: 7.5 kg/m² (for a 5 mm thick layer). Packaging: 20 kg bags.