A multi-layered integrated roofing
plank or panel with a base layer comprising engineered or manufactured wood, a
water resistant barrier layer covering at least the outer face of the base layer, and at least one of the edges of the base layer. A texturizing material also may be affixed to, or integrated with, the
water resistant barrier layer. The edges of the roofing
plank or panel may be configured as part of a joint with adjacent planks or panels, including, but not limited to,
shiplap joints, tongue-and-groove joints, bead-and-
cove joints, butt joints, or combinations or variations thereof.