Can TotalBoat Halcyon be applied over TotalBoat Wood Sealer? Eric Boudreau October 12, 2020 12:50 Updated TotalBoat Halcyon can be applied directly over TotalBoat Wood Sealer only if the Wood Sealer has completely cured for 48 hours under normal cure conditions, and has been sanded with 320-grit sandpaper, in the direction of the grain. Related articles Can I add a stain to TotalBoat Lust or Gleam 2.0 varnish? Will TotalBoat TotalStrip remove TotalBoat Halcyon? Can TotalBoat Halcyon be applied over another varnish? What are the best brushes for varnishing? Comments 0 comments Please sign in to leave a comment.