Select and Better is the highest grade of hardwood. It has uniform grain texture, mild color variations are produced by differences in natural heartwood and sapwood. The face may contain unlimited sound sapwood and occasional small burls. Light brown streaks may not extend over the entire length of piece. Occasional non-contrasting restored knots (10mm or smaller) are admitted on planks stained in dark colors as long as they do not stand out against the floor surface.
The face of a plank may contain unlimited sound sapwood. Color variation is prominent. Small burls, light brown streaks, restored knots up to 25mm, properly filled open checks and worm holes, slight imperfections in face work (torn grain) and burns are admitted. When stained in a dark color, surface appears uniform in shade and texture, making knots etc barely discernible. 1 Common is a tasteful floor where prominent variation is expected.
The face of a plank may contain prominent color variation, unlimited burls, brown streaks, tight knots and properly filled open knots, as well as worm holes. Imperfections in the face work (torn grain) and burns are admitted. Knots and other imperfections are intentionally highlighted in order to bring attention to the natural beauty and uniqueness of oak grain texture.
The face of a plank may contain prominent color variation, unlimited burls, brown streaks, open or filled knots of any size, and worm holes. Open splits and knots create effect of antique wood and emphasize authentic oak texture. Character grade is used to classify wide plank fixed length flooring (7 ½” x 7’ or 190mm x 2100mm); due to larger surface area, face of plank may contain a wide range and number of burls, streaks, knots, worm holes etc.