Help Understanding Epoxy For Sealing Wood

Topics regarding epoxy appear all over this forum. However I think I need a bit of "epoxy for dummies" level of guidance here.
I am a plumber and gasfitter by trade and a relatively competent shade tree auto mechanic by necessity and frugalness. One area I have limited experience with is wood working.
When it comes to sealing wood with epoxy I am a little lost with how one goes about it. When I search for epoxy on the websites of my local hardware stores (in Canada), Home Depot, Lowes, Rona, Home Hardware, Canadian Tire, I just find a whole lot of items that usually fall under the category of garage floor paint or small tubes of adhesives. What kinds of wood epoxy is available or recommended? Does it fall under some other name and that's why I don't see it?
I would like to make my walls waterproof. They will eventually be skinned with either fiberglass or that fiberglass reinforced plastic I've been reading about here. That will be a new line of questioning on it's own.
I am a plumber and gasfitter by trade and a relatively competent shade tree auto mechanic by necessity and frugalness. One area I have limited experience with is wood working.
When it comes to sealing wood with epoxy I am a little lost with how one goes about it. When I search for epoxy on the websites of my local hardware stores (in Canada), Home Depot, Lowes, Rona, Home Hardware, Canadian Tire, I just find a whole lot of items that usually fall under the category of garage floor paint or small tubes of adhesives. What kinds of wood epoxy is available or recommended? Does it fall under some other name and that's why I don't see it?
I would like to make my walls waterproof. They will eventually be skinned with either fiberglass or that fiberglass reinforced plastic I've been reading about here. That will be a new line of questioning on it's own.
