Any thoughts on RIT? I’ve had great luck with it on regular headliner material as well as clothing items. I’m thinking of using it before i just call it a day and reupholster the headliner and shelf. Looks great by the way, definitely good for DIY status.
I think you'd have been better using a stiff brush or a vacuum cleaner to clean the shelf prior to spraying it. Surely, using a cloth would leave deposits of material/fluff? Also, I've seen other videos where they use a paint brush to "stroke" the wet (sprayed) dye into the shelf to prevent blobs and inconsistent coverage.