1. Basically, we made the Companionway teak one unit instead of 3 pieces, epoxied the corners, and filled in the 1/4 gap that existed when in place

2. 24 Hydroxyalkyal lignin was synthesized from alkali lignin with propylene oxide. Then it was epoxied by epichlorohydrin catalyzed via boron trifluoride etherate to form lignin based epoxy resin.