SPECIES : BIRCH
Birch is also known as yellow birch. The sapwood of this tightly grained species is pale in color and blends well with the reddish-brown heartwood. Birch can show superb variation in its grain patterns. Much harder than white birch, birch is still softer than sugar maple or red oak.
Hardness on the Janka scale: 1,260
GRADE EXCEL
Sapwood and heartwood mixed grade, unlimited mineral streaks and character marks permitted, limited sound or patched knots permitted. The average length of planks is better than those of the Advantage grade.