A few Definitions

Greenwood

Greenwood – is wood that has been recently cut and therefore has not had an opportunity to season (dry) by evaporation of the internal moisture.  Greenwood contains more moisture than seasoned wood, which has been dried through the passage of time or by forced drying in kilns. When we buy lumber at a store to build with it is usually kiln dried with a moisture content around 6 – 8%. Greenwood, since it is freshly cut green wood, it can have a moisture content as high as 75%. Greenwood is easier to work with hand tools because of this high moisture content than the same wood that has been air dried or kiln dried. 

Green woodworking 

Green woodworking – Green woodworking is a form of woodcraft or in broad terms, carpentry, that works unseasoned or “green” timber into finished items. Unseasoned wood is wood that has been freshly felled or preserved by storing it in a water-filled trough or pond to maintain its naturally high moisture content. Greenwood is much softer than seasoned timber and is therefore much easier to shape with hand tools. As moisture leaves the unseasoned wood, shrinkage occurs and the green woodworker can use this shrinkage to ensure tight joints in their work. To enhance the effect of the shrinkage, one half of a joint may be forcibly over-dried in a simple kiln while its encapsulating component is left green. The components tighten against each other as the parts exchange moisture and approach equilibrium with the surrounding environment. The swelling of the dry tenon inside the shrinking “green” mortise makes for an incredibly tight and permanent joint despite a lack of adhesives. Bodging is a traditional green woodworking occupation, where chair components were made in the woods and exported to workshops where the complete chairs were assembled by furniture makers (called cabinetmakers in the UK). Green woodworking has seen a recent revival due to its increased media coverage and the renaissance of hand tool woodworking in general. [1]        

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