Saint-Astier ECOMORTAR R50

ECOMORTAR® R50 is a cement-free, lime-based preparation and resurfacing plaster designed for internal applications. Made with Saint-Astier hydraulic lime, fine sand and specific additives, it provides excellent adhesion, high elasticity and low shrinkage, making it suitable for renovation and refurbishment projects.

R50 can be applied to a wide range of backgrounds, including plasterboard, masonry, terracotta, existing plaster, cement renders, insulation boards, painted and waterproofed surfaces. Its fine 0–0.6 mm aggregate makes it suitable as a preparation coat before applying a smooth decorative finish.

Key Features
– Cement-free lime-based formulation
– Excellent adhesion to low-absorption substrates
– High elasticity
– Low shrinkage
– High vapour permeability
– Suitable for internal renovation and refurbishment
– Fine aggregate size: 0–0.6 mm
– Maximum overall thickness: 10 mm

Consumption
– Approximately 1.6 kg/m² per mm of thickness.
– Indicative coverage per 20 kg bag:
– 3 mm thickness: approx. 4 m²
– 6 mm thickness: approx. 2 m²

Application
– Application: Internal use
– Maximum thickness: 10 mm
– Working temperature: 8°C–30°C
– Compressive strength: 4–5 MPa at 28 days
– Classification: BS EN 998-1, Type CR

Packaging
– 20 kg bag
– 48 bags per pallet

Always refer to the latest manufacturer’s technical data sheet for full application instructions and technical requirements.