Select the most natural and unadulterated building materials void of toxins, that are hydroscopic, durable, reusable and are as locally sourced as possible.
Select materials in their most natural state and as minimally processed as possible.
Select materials with no/low Volatile Organic Compounds (VOCs) especially formaldehyde.
Select durable materials sourced locally with low embodied carbon.
Select materials that are regenerative and have been certified as such by reputable organizations.