Water repellant, anti-microbial-supportive film treated lumber and cut timber used in the further manufacture of floor joists, sill plates, headers, sheathing, subflooring, beams, rafters, studs, and trusses; water repellant, anti-microbial-supportive film treated wood-based panels derived from cut timbers and cut timber byproducts, namely, plywood, oriented strand board, laminated veneer lumber, chip board, and fiberboard for use in floors, walls, ceilings and roofs; lumber and wood-based panels derived from cut timbers and cut timber byproducts, namely, plywood, oriented strandboard, laminated veneer lumber, chip board, and fiberboard, treated with a surface conditioning, priming, water repellant anti-microbial-film used in the further manufacture of boat decking, decking, soffit and fascia, sashes, fencing, trim, girders, columns, flooring, doors, siding, and other wood-based sheeting products for use in floors, walls, ceilings and roofs