XtremeFlashing Asphalt Based Tape
Item ID: WS25-4, WS25-4/100, WS25-6, WS25-6/100, WS25-9, WS25-9/100, WS25-12

XtremeFlashing is a self-adhering, self-sealing waterproofing tape designed for use around windows, doors, building seams and in general construction. It is composed of a white polymer film that is coated with an aggressive Broad Temperature Spectrum (BTS) asphalt adhesive. A release liner protects the adhesive and is removed as the tape is installed.

The BTS adhesive self-seals around punctures such as nails and staples. This advanced system bonds to all common building and window materials and seals around fasteners to prevent damage caused by water penetration


INTENDED USES: Install on the window sill to protect against moisture that can contribute to rot, mold and mildew. Use to seal the window flange to the building wall in new construction to prevent window leaks, seal around doors, under siding, exterior plaster, sill plates and wall joints, or in any application where the membrane is protected from long-term ultraviolet exposure.

"It is critical to the success of any design is the detailing and construction of it. We have been impressed with the Tamlyn Products for the complete system approach."

Brian Keith
Architect at JHP Architectural Designs, Dallas, TX

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