Boy, that Durabak stuff is sounding just like
Herculiner . I used Herculiner in D-ski's PU truck bed and it was a similar experience. Same clean up: Xylene. Same rubber bits for tread. Same roller. It also has the UV resistance (I think?). For the truck bed, though, all the work is in preparation because the entire painted surface has be hand sanded to scuff the slick paint job. For a nice clean steel surface, I'll be it would be cake.
Are you familiar with Herculiner? I buy the stuff on sale by the gallon from Menards. I imagine that the Durabak is probably a higher level of durability and weather resistance.
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