3/8 plate steel should work too since your not concerned with weight.Firsthand experience always trumps best guesses! If 0.063 works then 0.125 should be plenty stiff!
cubdriver2 said:I would think that the metal floor would add to the noise level where as a plywood floor would act as a noise absorbing damper ?
Glenn
aktango58 said:I am getting ready to build no floor boards also: