Plastic Components PVC trim 1623 is a Transitional Floor Line Bead for 5/8" board was designed to protect the bottom board edge from moisture. Upper flange is 2-1/2" (64mm). Bottom flange is 3" (76mm).
Transitional Floor Line Bead shall be Plastic Components Inc. #1623. All exterior accessories shall conform to ASTM standards D1784, C1063, and D4216. They shall be used where specified by the architect and installed per industry standards.