In oak, ash, and American walnut – all ring-porous hardwood species characterized by long fibers – sapwood naturally occurs. Sapwood is the lighter-colored part of the wood located closer to the bark. In products such as oak cutting boards, the presence of sapwood is a natural feature and does not constitute a material defect. 
tłum. en heartwood - twardziel, sapwood biel
Sapwood does not negatively affect the functionality of a cutting board. On the contrary, it adds a unique and distinctive character. As a result, each board becomes one of a kind in terms of appearance and wood grain pattern.
Sapwood in oak and American walnut cutting boards
At the production stage, we place great emphasis on aesthetics. During the gluing process, we carefully match sapwood sections with sapwood to ensure a cohesive and harmonious appearance. Thanks to this approach, the finished oak cutting board maintains a natural yet orderly look, fully reflecting the character of solid wood.
What Is Sapwood? Gluing Sapwood in Oak and American Walnut