A ready mixed mortar for renders stipple and main coats on cement background, metal lath, new bricks. Based on St. Astier Natural Hydraulic Lime with addition of cement , additives and aggregates conforming to EN/BS 998.1
Packing: 25 kg. bags Pallets of 40 bags/1000kg
Consumption: 1.8kg per mm of thickness per m2
Dry bulk density (hardened product) 1600-1800 kg x m3
Elasticity moduli between 7500 and 14000 Mpa
Flexural strength between 2 and 3.5 Mpa
Compressive strength @ 28 days 8 - 10 N.mm2
Hydration water retention between 80% and 90%
Capillarity (grams/dm2.min.1/2) between 3 and 7
Vapour permeability (g.m2.hour.mmHg) 0.77
Granulometry 0 – 1.3 mm
Preparation: add 4.5 to 5 litres of clean water per bag. Mix ……………Between 3 and 5 minutes maximum.
Protection and curing: do not apply in temperatures below 5oC and above 30oC. Dampen the background to control suction prior to application. Protect against drying wind, rain and strong sun. If necessary cure with light water mist for 2-3 days. Wait 7 days before applying a finishing coat. If required Intercromex can be floated to a finish and painted when dry.