That it I've had it with the teak deck on my 40 ft. sloop!! Several yaers ago I repaired, reefed, refastened, primed, and recaulked my teak deck (1 in. thick planks). All was fine until this past weekend, after weeks of no rain and record setting high temps. When it finally did rain, I had many leaks where the seam compound had pulled away from the plank. It wasn't from the palnks "working" as the boat was just sitting in the slip. The thought of redoing the seams again makes this not an option. Also, at this time, totally ripping up the deck and replacing it is not an option. I've done a search thru the forum archives and it seems I basically have two options: A- Canvas set in white lead past directly over the existing deck or B - Plywood over the existing deck with dynel/epoxy over the ply. Since I have done deck canvas work before this was initially my first choice. But then I started thinking more about the plywood/dynel/epoxy method over the existing deck. A good portion of the worK involved in either method is just removing all the deck hardware. Before I make a decision I have some question concerning the second method. How think should the plywood overlay be? I'm thinking 1/4 in. The reason for the ply over the existing deck is to provide a stable surface for the dynal/epoxy the adhere to. How should the ply be attached to the existing deck to allow the existing deck to move slightly (as it will) under the ply overlay ? A ply overlay will have butt seams where the fitted pieces of ply meet. How are the seams delt with? BTW I have not made adecision on dynel or fiberglass cloth yet, but I have read all the archives and have decided to put off the decision until I do some experimenting with dynel on my own.