Causes Of Cupping And Bowing In Wood Floors

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Due to the natural movement characteristics of wood, slight cupping is sometimes unavoidable with wood flooring, especially in wider boards.

At 12% moisture content the board in general should retain its Original flat sawn board appearance.

The same board is dried out to 6% moisture content causes the board to shrink and cup upwards.

The same board absorbing moisture to around 18% causes the board to expand and cup in the opposite direction (downwards).

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