Timber boarding – cupped boards

Causes

Cupping occurs because boards are drier on one side than the other resulting in uneven shrinkage, so cupping may be due to boards swelling if the moisture levels of internal spaces are higher than the moisture content of the boards

Listed under: Interior, timber and wood-based, timber, ceilings, walls, moisture

Cause

Cupping occurs because boards are drier on one side than the other resulting in uneven shrinkage, so cupping may be due to boards swelling if the moisture levels of internal spaces are higher than the moisture content of the boards

Repair

  • remove and replace severely cupped boards as necessary

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