Wood, a living material and the memory of the world

In this episode, rediscover wood through a sensitive and curious lens: as a living actor.

Explore its composition, understand its characteristics, and learn how to choose it in a fairer and more responsible way.
An episode designed to refine your perspective, read the material more accurately, and make informed choices, whether personal or professional.

CHEMICAL COMPOSITION OF WOOD

This composition varies little depending on the species:
• carbon: 50%
• oxygen: 42%
• hydrogen: 6%
• nitrogen: 1%
• ash (minerals): 1%

ORGANIC COMPOSITION OF WOOD

This composition also varies little depending on the species:
• cellulose: 50%
• lignin: 20 to 30%
• hydrogen: 6%
• for the remainder: starch, sugar, tannins, essential oils, resins, gums and mineral salts

EPISODE CHAPTERS

1. seeing wood as a living actor

• What is wood?

• An ally for our territories

2. understanding the composition of wood

• Its families: hardwoods and softwoods

• Its characteristics: color, grain, density, smell, hygroscopicity

• Its layers: bark, sapwood, heartwood, growth rings

3. how to choose wood in a fairer and more sustainable way

• Use classes

• Impacts, alternatives and labels (pefc, fsc)

🎧 Podcast available on :

Spotify · Apple podcast · Deezer • YouTube

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