I decided to use 3/8Ē okume plywood on the decks of my catboat. Iíll screw it in place with dolfinite bedding compound at the seams and edges for a good seal and the ability to disassemble at a later date. Talked to Kirby about using white lead past under the canvas and he is sending info to me on the system they recommend. The thought occurred to me while ordering the dolfinite that it may be usable in place of the white lead past. I donít have it in hand so I donít know if it is even the right consistency for the job. I guess Iím asking for comments from people of experience with canvas decks.