Thread: Fiberglass vs. Steel Running Boards

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Which ever way you go, do the support thing, because someone will step on them or sit on them. Smoothie Fabrications probably has steel boards for your car if you are interested in steel, but glass would work just as well.

My running boards are the original steel, Easily repaired by a good metal man and able to withstand a 300 lb person without damage. Couple of years ago one took a beating from an errant SUV, and lived. Dinged, by not dead.

Hi 35window,

Like you I was considering glass smoothie running boards for my 30 roadster or possibly going with steel. Everyone has mentioned that either way good support for your running boards is mandatory. I elected to have a set of running boards fabricated out of 14 gauge steel and I will be running matting over them. I just wanted my running boards to be able to withstand someone stepping on them and stilling looking good in the long run. I was worried about going with fiberglass so I chose steel. Good luck and do what will fit your needs for the long haul unless you are selling the vehicle fairly soon.