Tyvek® Flexwrap NF Tape 152mm X 23m is a high-performance, self-adhesive tape designed for sealing windows, doors and other penetrations. This durable tape is made from Tyvek, a synthetic material known for its excellent durability and resistance to water and air infiltration. The tapes flexibility allows it to conform to irregular shapes and surfaces, providing an effective seal in a variety of applications. Tyvek® Flexwrap NF Tape is easy to install, with no need for primer or other additional steps. Its an ideal solution for both residential and commercial construction projects.