3M deck and joist flashing tape 8047 is an all weather translucent tape designed to protect against the environment and mechanical penetration. The proprietary translucent backing is highly conformable for versatility, with an aggressive acrylic-based adhesive formulated to work in most weather conditions. All weather performance 3M deck and joist flashing tape 8047 features an aggressive acrylic-based adhesive formulated to stick in most weather conditions. The proprietary translucent backing is highly conformable and designed to protect against the environment and mechanical penetration. This tape is designed for flashing, protecting, sealing and more. Recommended applications - - flashing ledger boards, protecting exposed joists, sealing against mechanical penetrations, wrapping posts flashing around windows and doors. The 3M industrial adhesives and tapes division applies the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, these technologies help customers deliver competitive products to the market faster and more efficiently.