Well after looking on-line there seems to be one guy that does running board restorations www.runningboardrubber.com. Can you say PRICEY??? I'm sure you can get running board mats for your standard models, but I have a 37 Nash Lafayette, so just ordering a made to fit cover is not an option. So.... I did a search here on the HAMB, and all though there are many suggestions (Lowes and Menards rubber mats, truck bed liner, vinyl tuck and roll) actual pictures of the final product are few and far between. I don't want to go with the smooth look, so any pics of actual restorations with the above mentioned materials would be great!
There's a fellow in GA who does re vulcanization of running boards. Folks say he's excellent. Name is Huntley Acuff. Read about it here. http://www.fordbarn.com/forum/showthread.php?t=11311&highlight=running+board
The running board rubber items are darn hard to find. It seems as if stuff like commercial floor mats, stair runner rubber and such are all pretty shallow, straight grooves. Short of buying the pricey repro things you mentioned, I don't know where to look, either. I could use some correct stuff for my Plymouth, which is inside the doors....but it has a unique pattern you can't replicate in the general marketplace. Not any help......just agree it's difficult.
This place: http://www.restorationstuff.com/RSC28.pdf Has running board matting & trim I haven't seen elsewhere.
Henley acuff. Had my 37 Buick coupe running boards redone. Just under 1k (not including to/from shipping) long time ago. His prices vary- sandblasting and prep work underside treatment/paint . I do not believe there was better than he at the time. When i spoke with him, after I reciev d them,I asked how best to take care of the rubber. He said just use johnson paste wax.
https://www.americanfloormats.com/corrugated-rubber-runner-mats/ How about something like this and make your own.
"Bring out your dead" Just saw the date of original thread, hope Stevie figured out his running boards sometime in the last 15 years.
Tractor Supply has big selection of nice looking rubber mat that can be cut to fit. HRP Tractor Supply rubber mat