hi ive a old searider and want to build a anchor box at the front so i can do away with the old barrel, ive pre cut the plywoog sheets to fit and are going to hold in place with pink grip then fiberglass the inside then screw a top on and fiberglass that so its sealed up then cut in the top a hatch lid so i can pull out the rope and replace the lid and use as a seat, whot materials do i need to do the job , i think its resin and hardener fiberglass mating or sheets is there owt alse or have i got these wrong.
cheers for any help,