Our caravan floor in the shower is marked from water stains and ingrained dirt from use over many years. I have tried to clean the floor using various cleaning agents but they don't seem to make any difference . I am considering painting the fibreglass floor with an appropriate paint but not sure what type of paint to use or whether it's even advisable to do this. I would be keen to hear from anyone else who has had to deal with this problem and how they went about dealing with this problem.
use a product called flowcoate as its a covering for fibaglas and can be applie by a roller, don't use gelcoat. Go to any marine repair place that does fibaglass boats
cheers
blaze