Well, TCAT and I are embarking on a super-overhaul of his '92 18' jonboat. It will be a huge undertaking, and chronicled on here when project starts shaping up. I'm sure both of us will ask a million questions during the process as neither of us have done anything of this magnitude. This question is obviously about lumber. I have read a few posts, and grasp the concept that all the lumber should be saturated with epoxy resin. I have noticed in my search of appropriate lumber that there are many, many choices. We have opted to keep the cost of the lumber down to facilitate funds for gadgets, and accessories. I know that some of the treated lumber is corrosive to aluminum. Does AQC lumber need to avoided totally, or will sealing it with epoxy stop the corrosive properties of it for a number of years? There will be a 4" subfloor, and all the decking made of wood. Gotta find a happy medium between "the best possible" lumber, and something that will work just fine at a minimum cost. ACQ is $25 a sheet, which is well within budget. We could spring for a little more if there is a better alternative for less than $40 a sheet. Most of the actual marine grade lumber I've found seems to be in the neighborhood of $65-$100 a sheet. We could go that route, but would rather get some goodies for the money saved.