Two-component, high-ductility, pozzolan-reaction mortar applied in layers up to 25 mm thick for evening out stone, brickwork and tuff substrates before applying MAPEGRID G 120, MAPEGRID G 220 or MAPEGRID B 250. TECHNICAL DATA: Maximum dimension of aggregate: 1 mm. Mixing ratio: 3.7 parts of PLANITOP HDM MAXI comp. A with 1 part of PLANITOP HDM MAXI comp. B. Pot life of mix: approximately 1 hour (at +20°C). Maximum applicable thickness: 25 mm. Classification: EN 1504-3 - class R2 non-structural mortar. Storage: 12 months (comp. A); 24 months (comp. B). Application: gauging trowel, trowel or rendering machine. Consumption: approximately 1.85 kg/m² per mm of thickness. Packaging: 31.25 kg kits: