St Astier Natural Hydraulic Lime (NHL)
St Astier Natural hydraulic lime – Learn from the past, build today and shape tomorrow
About NHL’s
St Astier Natural hydraulic lime is used to make mortar mixes and plasters (and screeds) which are generally more sympathetic than sand/cement mortars. This is particularly beneficial for use in traditional buildings for maintaining breathability.
100% pure Natural Hydraulic Lime by Saint-Astier®.
St Astier NHL 5 – The Roman Lime
- Right balance between elasticity and mechanical performance
- Ideal in exposed areas (coastal zones, cols areas, facades at risk)
- Allows hygrometric exchange maintaining a high vapour permeability
- Resistance to sulphates and salts
Suitable For:
Lime concrete/screeds (Limecrete floors), injection, grouting, rendering, masonry, pointing, capping, mass wall bedding, foundation, sea defence walls, chimney stacks, new build (masonry). Before starting, always try on a small test area.
St Astier NHL 3.5 – The Versatile Lime
- Respects the colour of the local sands
- Versatile
- Compatible and resistant to plaster and salt-saturated substrates
- Resistance to sulphates and salts
Suitable For:
Lathwork, lime concrete, injection, grouting, rendering, pointing, capping, masonry, ashlar.
Before starting, always try on a small test area.
St Astier NHL 2 – The Chalk Lime
- Suitable for feeble substrates
- Promotes hygrometric exchange
- Reduces plaster shrinkage
- Ideal for trowel finishes
Suitable For:
Lath work, grouting, rendering, pointing, plastering, ashlar. Before starting, always try on a small test area.
Saint-Astier
Saint-Astier® is an independent, family-owned enterprise producing Natural Hydraulic Limes of excellence for over four generations. Its history is one of deep-rooted values, passion and know-how shared and carried on by a team of over 150 collaborators and technicians.
Since the beginning, Saint-Astier® has used its own quarry with a limestone deposit of over 350 hectares. This is an underground deposit, known as the ‘Cathedral of Limestone’, and which even at the depth of 200 meters, assures its constant and unique mineralogical quality
