Does anybody no of a site that has info on fibreglassing as ive just found out my boat is falling apart at seams.I know its white plastic stuff but thats about the extent of my expertise.
Look at the West Resins / SP-epoxies web sites and perhaps purchase either their books or their video. Generally it is easier to repair polyester resin structures (GRP) with epoxy resins as they give better adhesion to old GRP.
Is osmosis the problem, ie big bubbles forming in the hull where water has penetrated? If so, I've got some info which I can pass on - send me a private message.