Acryl-R® SM5430 Roof Sealant that is a high performance, high solids, non-skinning, non-drying standing seam roof (SSR) sealant based on a unique elastomer that provides a non-stringy consistency and excellent resistance to severe environmental conditions of heat, cold and moisture. Specifically formulated for precise application into concealed panel joints for roll forming lines (standing seam roof panels). It has excellent cut-off characteristics and is not stringy or messy to apply. It is also designed for sealing the warm side of concealed exterior polyurethane foam panels to form a vapor barrier seal. It is formulated without asbestos fillers.