Chaux de Saint-Astier

Chaux de Saint-Astier is a family-owned French producer of pure natural hydraulic lime (NHL), operating since 1851 from our own quarry in Saint-Astier, Dordogne. For over a century, we have been committed to supplying premium quality lime solutions for sustainable construction and building restoration. As part of our eco-construction product offering, we provide specialized binders and certified hemp shives (chènevotte) designed for hempcrete applications in modern, energy-efficient buildings. Our dedicated range—including BATICHANVRE® PLUS binder and ISOCANNA® hemp shives—is tailored for the creation of high-performance hempcrete, offering outstanding thermal and acoustic insulation, excellent fire resistance, and natural humidity regulation. Through these products, we proudly contribute to advancing environmentally responsible building practices, supporting architects, builders, and eco-conscious clients across Europe and beyond. We maintain strict quality control throughout our process and promote the use of natural materials that enhance indoor air quality while reducing environmental impact. Whether used for new construction or renovation of heritage structures, our lime-hemp solutions enable durable, breathable, and sustainable buildings.