I have on a few occasions to salvage some decks I have on the inside used 3 layers of fibre glass matting up in the left corner/side, this then will keep any wet grass from rusting the deck any further, then on the outside a wipe of body filler. This method is only suitable for a small rust area and not suitable if the deck as rusted through the handle mounting area. I dumped a few more decks like that today. As for the amount of time and money involved in fibreglassing, if I tried to justify it into the cost of the mowers any accountant would say I would be better of staying in bed or watching TV, but from an early age I have been programed to work so I must continue to do something every day
