First I’d heard that God “recommended” gopher wood. “Well, y’know, Noah, if it was ME, I’d go with the gopher wood, but...yah....”
[eyeroll]
I hadn’t heard of “gopher” wood either ,, did a quick search on it ,, there are many theories ,, the one that sounded most plausible to me was a scribes error ,, it could have been “pitched” wood ,, you would certainly need more than a few buckets of sealant for this craft.