transom rebuild

[hotlude91]

ok so here it goes,i have finally got all the rotted wood out of my transom from the inside.the outer skin isnt that thick at all.this is my first time rebuilding a boat.well now that im this far i was wondering what i should do next.What kind of fiberglass do i use and epoxy,also how much do i need.what should i use for the transom,wood,or composite,im planning on adding an outboard flotation bracket on my 69 20' seafari.Im also not sure on which layer of mat goes down first.i really need some detailed instructions.I would like to order the glass soon,but i dont want to under order and not have enough.Please help im stuck up to the next point..This site is awesome thanks..