Salt-resistant masonry mortar, made from natural hydraulic lime and ECO-POZZOLAN, cement-free, for installation layers and pointing on “natural finish” masonry. TECHNICAL DATA: Maximum size of aggregate: 1.5 mm. Mixing ratio: 100 parts of MAPE-ANTIQUE ALLETTAMENTO with 18-20 parts of water (4.5-5 l of water for each 25 kg bag of product). Porosity of the mortar while still fresh: 6%. Coefficient of permeability to water vapour: µ 15/35. Workability time of fresh mortar: approx. 60 min. Minimum applicable thickness: 5 mm. Maximum applicable thickness per layer: 30 mm. Classification: EN 998-2 - G type mortar, class M 5. Storage: 12 months. Colour: available in 7 colours. Application: gauging trowel. Consumption: 16.5 kg/m² (per cm of thickness). Packaging: 25 kg bags.