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When it comes to woodworking, understanding the grades of hardwood lumber is crucial for selecting the right material for your project. Whether you're crafting a bespoke piece of furniture or planning a DIY project, knowing the nuances of lumber grading can make all the difference.
Hardwood lumber grades are determined by the National Hardwood Lumber Association (NHLA) and are primarily based on the wood's appearance, a percentage of clear wood, and its usability. These grades help woodworkers and builders assess the quality and suitability of lumber for various applications.
This is the highest grade, representing the finest quality lumber with minimal defects. FAS lumber is ideal for high-end furniture and cabinetry projects where appearance is paramount. There are variations between woods and what defects may be allowable for walnut vs cherry for example, but this is the cream of the crop.
Slightly lower than FAS, Select grade lumber offers excellent quality with a few more imperfections. It's often used for visible parts of furniture and millwork. Select grade is actually a combination of where one face of the board will grade FAS, and the other side will grade 1 Common.
A versatile grade suitable for a wider range of projects. This is often called cabinet grade as it features more knots and colour variations, but the minimum clear cut size allowed in the measurements is 3 feet, which is ideal for cabinetry and cost effective. It is also perfect for rustic or casual designs.
This grade includes more noticeable defects and is best suited for projects where appearance is less critical, such as structural components or pieces that will be painted. Often called flooring grade, it is very affordable once defects are cut out of the planks.

For a more in-depth explanation, click here for further information on National Hardwood Lumber Association lumber grades.
Selecting the right lumber grade depends on your project’s requirements and budget. For projects demanding flawless aesthetics, FAS and Select are the best options. For more budget-friendly or rustic projects, #1 and #2 Common can provide unique character at a lower cost.
Understanding hardwood lumber grades empowers you to make informed decisions, ensuring the best results for your woodworking projects. By selecting the appropriate grade, you can balance quality and cost while achieving the perfect outcome for your creative work.
Ready to start your next woodworking project? Contact us for expert advice on selecting the ideal hardwood grade for your needs.