Polymer World poured transom, will it save our boat?

shout outs on you tube
/ @fishbumptv
/ @boatworkstoday
/ @perfectfitboating
Tools
cutting; metal cutting wheel for grinder
circular saw
sanding; metal grinding wheel for heavy grinding and sanding.
40 grit Diablo sanding wheel for grinder
60 grit paper on vibrating orbital sander
120 grit paper on vibrating orbital sander
220 grit for final sanding
material used;
Polymer World ceramic pour mix.
joint putty; bondo glass, a little thicker, has fiber for strength.
fiberglass resin.
1708 woven mat.
cabosil for thickening putty and resin.
Formula 27 for fairing.
unwanxed gelcoat, base for finish.
waxed gelcoat for final finish.