Air seasoning

Timber, protected both from the ground and from rain, is stacked in layers separated by strips of wood called stickers which, depending on their thickness, control the passage of air. The air, warmed by the sun and circulated by the wind, removes moisture from the surface of the timbers. The timber ends are protected by waterproof coatings (bituminous paint) to prevent rapid moisture loss, which would cause splitting. Within the UK a moisture content of between 17 and 23% may be achieved within a few months for softwoods, or over a period of years for hardwoods.

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