Fiberglass follow up question

MR nova @#25

Petty Officer 2nd Class
Joined
Dec 7, 2011
Messages
149
Over time (30yrs) can oil left in the bilge seep thru Fiberglas? I ask because, When I removed the center motor mount box( that what it was) form the boat. The woven roven in the center was darker than all the other glass in the boat, and it literally (the oil ) was under the woven roven. I had to grid it all out. strangest fiberglass encounter I've had to date
 
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