ARDEX Butynol Seam Tape is a high-performance uncured butyl cold gum tape specifically engineered for critical waterproofing tasks. Measuring 150mm x 30.5m, this tape is the industry standard for patching, detailing, and sealing around pipes, penetrations, and joints in Butynol roofing systems.
Butynol is a synthetic rubber membrane with properties which resist aging from heat, sunlight and ozone. Source: ARDEX Official Specifications