Lamtecs Standard-Duty Polypropylene Vapor Retarder offers excellent physical strength for a standard-duty solution, including high burst resistance and dimensional stability. It performs reliably across a wide temperature range, resisting delamination even in extreme conditions. Designed to meet flame spread and smoke development index requirements, it contributes to safer, code-compliant construction. This vapor retarder is an ideal choice for metal buildings, retrofits, and projects requiring a dependable yet economical facing option.