I Have A 1978 Gator Bass Boat Im Strarting To Redo The Whole Boat I Got The Carpet Out And The Floor Is Week I Took A Small Section Up And It Looks Like there Is A layer Of Fiberglass then Wood Then Another Layer of Fiberglass On top What Kind Of Fiberglass Do I need To use On the Floor I Dont Know The Right oz To Use Any help would B App.