A peripheral portion of a light frame construction building constructed from structural engineered wood components involves first, second and third structural engineered wood rim boards each having a cavity on an exterior-facing side and a substantially flat interior-facing side, with ends of the second and third structural engineered wood rim boards abutting each other to form a corner, and an auxiliary corner support affixed to, and within the cavities of, the second and third structural engineered wood rim boards.

An enhanced wood product includes a urea coating to increase the strength of the wood product and various products made with coated wood.

An enhanced wood product includes a wooden board or plank having a length and at least three sides, the sides defining a polygonal cross section along the length of the wooden board or plank. A polyurethane-urea coating on at least two of the sides very substantially increases the strength of the wood product and various products made with coated wood.