Amazon.com: Vapor Barrier Seam Tape, Moisture Barrier Seam and Seal Adhesive for Crawl Space Encapsulations, Carpet Padding, Masking, Underlayment or Marine Use, Waterproof 9 Mil (4 Inches x 180 Feet, Red) :
3M TALC Venture Tape Cryogenic Vapor Barrier Tape 1555CW, Cold Weather Adhesion, UL723 Classified, 2.83 in x 50 yd: Amazon.com: Tools & Home Improvement
Vapor Barrier Seam Tape for Crawl Space Moisture Barriers and Encapsulations (White, 4" x 180') - Walmart.com
XFasten White Vapor Barrier Tape, 9 mil, 3.78-Inch x 60-Yards, Waterproof Moisture Barrier Tape for Crawlspace Encapsulation, Construction Sheathing Seal Film, Housewrap Seaming and Underlayment Seal: Amazon.com: Industrial & Scientific