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A comment on The San Franciso Fire Department makes its own wooden ladders by hand. Parent comment

Re:The San Franciso Fire Department makes its own wooden lad... by toomanybeersies on Wednesday July 11, 2018 @12:59PM (#17508418)
You can use a kiln, which is how most timber is dried these days.

If you're feeling bored, the Wikipedia article on wood drying is very comprehensive: https://en.wikipedia.org/wiki/Wood_drying

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Re:The San Franciso Fire Department makes its own wooden lad... by exDM69 on Wednesday July 11, 2018 @01:28PM (#17508655)
Kiln drying doesn't produce ready to use lumber for fine woodworking or demanding applications. It's fine for construction material but needs additional seasoning and acclimatization in the environment it's going to be used in if it's to be used for anything else.

Fast drying will also introduce stress and warping to the wood. It would not work when long straight and thick material is needed.

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