3" x 25' Roll Black EPDM Double Stick Seam Tape Black Butyl Rubber Peel & Stick Double Sided EPDM Seam Tape Apply Seam Tape Between Overlapping Seams to Seal and Strengthen Cured Polymer Adhesive - Uniform Width and Adhesive Thickness Perfect for Do-It-Yourself Homeowners or Roofing Contractors