Tongue & Groove 3/4" - 45

This universal 3/4" - 45 double gap siding measures .750" in thickness and the width is adjustable to any desired size within the parameters of the moulder/shaper used to mill the pattern. The profile is comprised of a 7/32" tall by 13/64" wide groove. The offset tongue is 15/32" tall on one side and 5/16" tall on the opposite side. When two pieces of milled lumber are joined, the tongue will bottom out in the groove, creating a 1/4" wide by 17/64" deep channel on one side, and a 3/32" wide by 17/64" deep channel on the opposite side of the merged boards. This specialized design allows either face side of the lumber to be used during the installation process, creating a unique siding design.