We just finished installing a new custom made roof vent to replace the original fiberglass vent which was in very poor shape. We were not able to find anything that looked close to the original, and look way cool as well, so we fabricated this one. As there were several holes in the roof where the PO's had moved vents around at one time or another, we made the base plate large enough to cover all the various holes that had been cut in the roof over the years. Many hours and many rivets later the...