Spongy Laser2 Cockpit Repair Advice Sought

Greetings...The cockpit on my Laser2 has become spongy and weak to the point where I can depress the cockpit floor with light pressure from my hand in excess of 1/2 an inch. I believe the fiberglass has delaminated from the top sheet in this area. I have heard of a way to reinforce/repair this problem by doing the following however I am asking for any detailed information on the materials (type of resin/epoxies?) used and procedures.
This is what I have "heard"
1) remove pressure plug from...

Spongy Laser2 Cockpit Repair Advice Sought