We did the same after advice from this group. Purchased a new "toad" pickup and had bedliner sprayed in. Found it was done at a local body shop. Took tank covers
off and had the same bedliner sprayed on the tank/steps. After a year, still looks good. Cost was $250 and well worth every penny.
Ric and Jan Golding
2016 Jayco Seneca 37FS
2016 Chevrolet Traverse
2018 Cheverolet Silverado