These materials are used since the dawn of time and are definitively materials for tomorrow.



Hemp hurd, the interior portion of the hemp stem, has a both great light and thermal energy reflection potential. Hurd contains a lot of silica, which makes it a plant material very akin to a mineral, and therefore a perfect building material. Hemp hurd is a dynamic, balanced material that lends walls an enveloping presence.

+ Very light, very insulating

+ Compaction resistant

+ Abundant and affordable



Lime is a binding material that has been used for thousands of years whose mastery dates back to Antiquity. Extremely versatile, it can also be used for purposes other than construction. Lime disinfects, stabilizes materials and prevents their deterioration. With a pH of 11, lime is a very alkaline material that is produced by firing limestone. Lime is also a natural glue that can be used to produce mortar or be applied as a protective and decorative finish.

+ Antiseptic and antifungal

+ Breathable

+ Abundant and affordable



Sands, quartz, marble dusts and stone powders are the basic constituents of natural mortars and plasters. Sand is a key element as it stabilizes mortar and plasters, and helps to regulate the building’s temperature. 

+ Very heavy, strong thermal inertia

+ Stable and inert

+ Abundant and affordable



Clay has undeniably been the most often used building material since the beginning of times, and is the most ecologically sustainable of all. Clay is a natural binding material, a glue that can be used as it is, without needing to be transformed.

+ Ionizing

+ Sanitizing

+ Abundant and affordable

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