Butyl mastic double sided tape 50mm x 10m (for DPM & Gas membranes)
3M 2228 Scotch Moisture Sealing Electrical Tape, 1 in x 10 ft x 0.65 in : Amazon.co.uk: Automotive
2228 25MM - Scotch Mastic tape 2228, 3M Scotch Mastic, EPR, Black, 3.03 m x 25 mm
3M EMD Scotch Vinyl Mastic Roll Electrical Tape 2210, 4 inch x 10 feet, Black, Self-Fusing Rubber Tape for Insulating and Moisture Seal : Amazon.co.uk: DIY & Tools