Composite Plywood Beam

Here is a plywood composite beam, consisting of 1/2" plywood, 9" 2 x 6 cripples @24", 16d nails @ 3", and construction adhesive thruout. Dimensions 6 1/2" x 12", span of 14' with a 2' cantilever at one end. Load is 300 plf. Video describes entire interior renovation.