Can extruded rubber window/body seal be re-habbed?

You know that foamy rubber seal stuff on quarter windows, doors, trunklids, etc. -- the kind that's bonded to some vinyl, which you then attach to the car body? Like this:

What I want to know is if, after years of being pressed against and now permanently flattened, can this stuff somehow be rejuvenated so it's round again? Hot water maybe?

Or should I suck it up and shell out to a dealer for a couple new ones?

I've soaked it in armor all and gotten more life out of it.

Try snaking some thin walled clear tubing inside it.

i've slid in some vacuum line before, works pretty well.

DILYSI Dave wrote: I've soaked it in armor all and gotten more life out of it.

+1

sometimes backer rod works

Sweet; thanks for the suggestions. Think I'll try the chemical route first and, if I get no love, snake in some hose or backer rod.

we use silicone grease on it at home

I wish I could remember the stuff we used for making cables. It was yellow and there was a #7 involved.. but it started out as a lubricant that turned into a glue as it dried. Seems it would be perfect for slipping tubing inside those