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[Capt Terry]

Originally Posted by erebus

Small cabin floor is like a trampoline. Need to somehow cut out the floor, re-core it and replace it.

From my 6-22-16 post. Here's what I did for my soft stepdown on my Seafari way before I knew of CSC. It first occurred forward of the cabin door, then a few years later aft of the door. I used a thick cutoff wheel on a Dremel tool with a flexible drive (the flex extension to keep the fiberglass dust away from the Dremel brushes and bearings). Then carefully peeled back the upper layer, scraped out all of the balsa, and replaced it with layers of roving and polyester resin. Mixed up some cabosil with resin to make a putty to glue the upper layer in place. Then caulked up my cut line. It is firmer than it ever was. There are materials that could have been lighter weight and just as stiff. But this worked well for me for about 18 years on the repair forward of the door, which I actually did with the boat in the water at my dock at night! The aft repair was done about 10 years ago. Best wishes!