Butyl-based flashing that stretches in three dimensions has been around for awhile. Now Huber Engineered Woods is rolling one out in acrylic. Zip System Stretch Tape easily stretches to fit curves and corners so you can flash a sill using a single piece. It’s made from the same acrylic as the standard Zip System tape and forms a strong adhesive bond at a wide range of temperatures, even with a damp substrate.
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