SPRAYING BED LINER ON SIDE PANELS (a must to prevent rust!) - DIY Sprinter Van Conversion Ep.8 - YouTube
HERCULINER Black 1-Gallon Truck Bed Liner Kit | Polyurethane | Roller Included | Skid-Resistant | Rust Prevention | Durable & Textured Finish in the Truck Tool Box & Cargo Accessories department at Lowes.com