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Double Thick Adhesive - The thicker the tape, the better the adhesion. Ideal for sticking rough, porous and imperfect surfaces. It has a tough all weather shell, giving a tighter barrier against moisture and higher UV qualities. Strong reinforced backing - a high fibre count cloth reinforced backing gives high strength, but can be ripped by hand easily. Market leader in the US. Now available in this extra wide, 3 inch roll. The only 3 inch roll on the market.