Last night I pulled up the 1/4" teak and holly cabin sole in our Crown 34 in an effort to stabilize my salon table. What I found was interesting. The floor under the 1/4" teak & holly is far from flat. The floor in the forward corner under the table rises substantially such that the 1/4" teak is held down to a compound curve by a couple of screws. Not terribly effective in my case. The table is unstable because it is basically only screwed to the 1/4" teak ply. Longer screws will help and I may through-bolt the ones I can reach. Under most of the floor 3/4" plywood is laminated in the fiberglass. Fore and aft of the "floor beam" that separates the galley floor from the main floor there was just glass and no plywood. Same for the area to port and aft of the mast. In this area a section of the glass was cut out reducing support allowing both sides of the floor to flex independently. My floor flexes in both of these areas. The teak floor panels are damaged around the edges from the flexing and having to conform to the curved sloping surfaces around the edges of the floor. My initial plan is to add a bottom layer of 3/8" ply under the 1/4" teak to stiffen the floor where there is no plywood laminate. By tapering the extra layer, the effect of the compound curves could be reduced allowing the teak ply to to conform to the floor. Obviously some extra fitting will be required there but this could still be a workable solution. Does anyone else have a similiar problem? Any solutions? Thanks for listening 
David
David