Kemper System America, Inc. now offers GreatSeal® PE-150, a high-performance, single-component, multi-purpose joint sealant designed for long-lasting weathertight seals. It's ideal for sealing joints in roofing, walls and masonry, as well as gaps around penetrations, flashings, windows and doors.
Based on a ‘Next Generation’ polyether sealant, GreatSeal PE-150 contains no solvents and very low VOCs. The multi-purpose indoor/outdoor sealant exhibits excellent weathering properties with a service range of 200oF to minus 40oF (93oC to minus 40oC), movement capability of +/- 25%, and zero shrinkage.