Polyguard 650 Mastic is an asphalt rubber mastic which provides excellent adhesion to Polyguard Waterproofing Membranes, structural concrete, masonry, and wood surfaces. Designed to protect and seal termination edges, overlaps, patches, and any additional detailing areas.
650 Mastic is supplied either in a 5 gallon pail or in a 30 oz. caulking tube. Application is by trowel, rubber U or V squeegee.