News — why does my wooden cutting board warp

If your wooden cutting board has started to bow by 2 to 5 mm or rock on the worktop, it’s almost always because one side has absorbed more water or heat than the other. In simple terms, uneven moisture and temperature cause the fibres in the wood to swell or shrink at different rates, which leads directly to warping. What actually makes a wooden cutting board warp? Wood is a natural material that moves. When one face of your board gets wetter, hotter or drier than the other, it changes size slightly. If the top swells by just 0.5 to...