Saint-Astier Natural Hydraulic Limes

75 Cowcross Street, London
EC1M 6EJ, United Kingdom

About

Saint-Astier® is a distinguished French company specializing in the production of natural hydraulic limes (NHL) and mortars, with a heritage spanning over a century. As an independent, family-owned enterprise, Saint-Astier® has been dedicated to excellence in the field of lime production for more than four generations. Their mission centers on preserving and advancing traditional lime-based building materials, ensuring their compatibility with both historical restoration and contemporary construction projects.

The company's operations are anchored in their proprietary limestone quarry, known as the "Cathedral of Limestone," which spans over 350 hectares. This unique underground deposit, reaching depths of 200 meters, provides a consistent and high-quality mineralogical composition essential for producing superior natural hydraulic limes. Saint-Astier®'s commitment to quality is further demonstrated through their integrated laboratory and dedicated R&D team, which focus on product innovation, quality control, and the development of new technical solutions to meet evolving construction needs.

Saint-Astier® offers a comprehensive range of products tailored to various applications, including conservation, restoration, renovation, and eco-friendly construction. Their product line features natural hydraulic limes of varying strengths (NHL 2, NHL 3.5, NHL 5), pre-mixed mortars such as EcoMortar® designed for modern building requirements, and specialized solutions like St.One® for masonry repairs. These products are renowned for their exceptional workability, elasticity, vapor permeability, and environmental benefits, making them suitable for both heritage structures and new builds.

In the UK, Saint-Astier®'s products are widely utilized in the conservation of historic buildings and the development of sustainable construction practices. Their natural hydraulic limes and mortars are distributed through a network of specialized suppliers, ensuring accessibility to quality materials for restoration professionals and builders. By providing high-performance, environmentally friendly building solutions, Saint-Astier® continues to play a pivotal role in preserving architectural heritage and promoting sustainable construction methodologies.

Location

Contacts

Restore. Conserve. Connect.

Create Your Free Project Account

Create a free ConserveConnect account to submit heritage funding enquiries, manage conservation project listings and connect with conservation professionals, specialist suppliers, grant support services and restoration expertise across the United Kingdom. Develop projects relating to historic buildings, public realm conservation, community heritage initiatives and cultural restoration.

Get Started