painting car floorboard, what to use?

i have heard good things about rust bullet

I used rust bullet on my floorboards. Scuffed them up a little, wiped them down, and painted it on. It took a couple of days to dry fully, maybe almost a week, but it is hard as a rock now. Here is a pic...



It's covered with Hushmat now, and will probably never see the light of day ever again!!