I need to reinforce two floor joists. I can use 2x10 material, or I can use one or more layers of OSB sandwiched with construction adhesive. The OSB is more flexible put in place in 1/2" layers, then glued/screwed together and into the original joist, which makes the installation easier.
How would the on-edge strength of two layers of 1/2" OSB glued together compare to the strength of one 2x10 SPF?