Protect your deck's structural integrity with Trex Protect Beam Butyl Tape, a high-performance flashing solution designed to shield beams and critical framing components from moisture damage. Engineered for long-term durability, this professional-grade tape helps prevent water intrusion that can lead to wood rot, mold, and premature structural deterioration. Ideal for both new construction and deck renovation projects, this 3-1/8-inch wide, 50-foot roll provides precise coverage for beams and narrow framing surfaces. Its strong self-adhesive backing ensures a secure, long-lasting bond to wood and common building materials, forming a continuous moisture barrier that enhances deck longevity.