SlipDoctors Deck Grip Clear Semi-gloss Interior or Exterior Anti-Skid Porch and Floor Paint (1-Gallon) in the Porch & Floor Paint department at Lowes.com
Anti-Slip Deck Coating - Blackfriar
TotalBoat TotalTread Non-Skid Marine Deck Paint
Wood Guard Anti Slip Coating for Wood, Decks, Stairs, Patios and Porch by Tub Guard, Clear, Roll-On, High-Traction Non-Slip Textured Coating to Prevent Slip Fall Accidents - 1 Gallon - Amazon.com