ARDEX STB/STA Self Adhesive Butynol® Tape is an uncured butyl tape with a fleece layer that provides a waterproofing seal between the surface joints, substrate transitions, under shower plates, and seals the drainage pipe outlets in areas such as bathrooms, kitchens, laundries, and balconies.

Information ARDEX STB Tape

A uncured butynol tape with a fleece layer that is used in the ARDEX WPM 155 Rapid under tile waterproofing system.

Technical Data ARDEX STB Tape


  • ARDEX STA 240-40 sheets 240cm long and 40cm wide
  • ARDEX STB 15-75 rolls 15m long and 75mm wide