Cordwood construction, also known as cord wood masonry, stack wall construction or stackwood construction is a a natural building technique where cordwood, logs or short lengths of de-barked tree are laid with masonry usually concrete to build a wall.

The wood is stacked one piece at a time and concrete fills the gaps between each log. This is an age old technique that has been used for centuries and with the addition of cement provides an incredibly sturdy structure. Wire is also often used as additional support in the construction of cordwood walls.

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