yeah i was going over my blazer looking for rust spots and found in the back just in front of where the carpet attaches that one of the screw holes for the metal plate that holds it down had rusted out and was now the size of a golfball and all i could see was the floor. How should i go about repairing this? Should i have a new piece of metal welded in or is it too close to the gas tank? What bout fiberglassed weaved in with the metal? i need some help if you can give it to me.