Backer Board Seam Tape Underlayment Blue Polypropylene 6" x 32.8ft | eBay
Underlay Joint Tape
Vitrex Black Underlay Joint Tape Roll 50mm x 40 metres (4 x 10m rolls) BRAND NEW | eBay
Vapour Tape | Woodpecker Flooring
Roberts Red Seam Guard Underlayment Tape – Anchor Floor and Supply
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, White) : Amazon.co.uk:
Underlay Joining Tape - 5cm x 50mtr
Arbiton Underlay Foil Tape - 50mm x 50m | Wickes.co.uk
Everbilt 1006 605 421 Waterproof Membrane Seam Tape 4.8" x 66' Underlayment Roll | eBay