|What makes B grade different from other architectural grades?|
|B Grade is intended
for use where only one face and one edge are exposed.
Unless otherwise specified, characteristics which do not
interfere with the intended use are permitted on the
reverse side and other edge. This grade also permits a
cutout of not more than one lineal foot in pieces ten
feet and longer for removal of defects not otherwise
permitted in the grade.
for more information on redwood grades view the Adobe Acrobat version of Redwood Grades & Uses