[oldxr]

Took about 10 minutes on each board. Use several magic erasers and CLR. You can then dress the rubber as you see fit. Nothing added to these rubber pieces. Easy to maintain once you have them cleaned.

 

[Auggie Doggie]

Yours really look good.

Used Top Coat F-11 on mine and it took all the chalky look out and shined the paint also. took about 5 minutes. No scrubbing just polishing back to factory new look.