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Seamless Waterproofing System


Seamless Waterproofing Technology

The Elevation™ Seamless waterproofing methodology is less complicated, more easily learned by tradesman, fast installed, and is fully seamless. 

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ELEVATION® L-FLASH: Waterproof Flashing Tape

Reinforced waterproof flashing tape designed for structural changes of plane, union of dissimilar materials, and reinforcement for materials above.


  •  Reinforced polyolefin base, laminated to a polypropylene layer
  • Adhesive-backed with removable release liner
  • UV resistant for up to 90 days
  • 45% post-industrial or post-consumer recycled content
  • Provides excellent flashing for gaps no larger than ¼”
  • Available in 4” and 8” widths


4” – 9 rolls per box
8” – 3 rolls per box

ELEVATION® L-FLASH Waterproof Flashing Tape