Wood Star Grading System™

At Wolf Tree Wood, we have developed the Wood Star Grading System™ to provide our customers with a comprehensive understanding of the unique characteristics that distinguish one wood slab from another. This system lies at the core of our business ethos, reflecting our commitment to sustainable log processing, particularly when dealing with the Old Growth logs.

Wood Star Grading System

1. Old Growth Verified™

The definition of "Old Growth" can vary, with some experts considering trees of 120 years or older, while others set the benchmark at 150 years. At Wolf Tree Wood, we adopt the 150-year threshold, signifying that our Old Growth (OG) specimens were planted, at the latest, in the year 1872 or earlier. These slabs are age-analyzed through our WSGS (Wood Star Grading System™):

  • Up to 50 years old
  • 51 to 100 years old
  • 101 to 150 years old
  • 151 to 200 years old
  • 201 and older
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2. Tree-birth Certified™

Our commitment to sustainability is not just a catchphrase; it's an integral part of who we are. At Wolf Tree Wood, we hold our Tree-birth Certified™ logs in the highest

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3. Wood-Dry Certified™

From a stability and workability perspective, the Wood-Dry Certified™ category holds paramount importance. Slabs dried in the VacDry system offer unparalleled quality.

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4. Historic Significance

The historical significance of a wood slab adds a unique dimension to its value. Knowing that a slab was part of a giant tree overlooking a scenic sheep farm or that Civil War

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5. Ultra-Rare Classification

The Ultra Rare Classification quantifies exceptional grain and figure patterns, such as curl, feathering, quilting, burl, or unique patterns. While somewhat unpredictable, this category

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6. Slab Quality

This category assesses the quality of the slab post-kiln drying, considering factors like straightness, cracks, degradation, checks, splits, ring shake, warping, twisting, instability, rips

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