True Jakes--something I hadn't thought of. I've only heard of probably two or three laminated bows going out of tiller (due to one limb getting weak), and they all had bamboo limbs. Chek-Mate has questions about the durability of bamboo over the long run (derived from their testing), so they don't offer it. I've seen and heard of a very few bows delaminating--at least one was very old, and probably not properly stored, at least one was brand new and obviously not glued up properly. These did not have bamboo.

There will be exceptions, but generally speaking they last a long time.

Chad