Marketing InformationBoss® 100 Multi-Seal® building/construction sealant is a one component, paintable and self-leveling moisture curing sealant formulated with USP™ technology to provide excellent adhesion to various substrates. Boss® 100 Multi-Seal® is suited for use in horizontal sealing of expansion joints in concrete floors and decks and construction, masonry, brick, aluminum, steel, ceramics, natural stones and painted metals. Boss® 100 can be used where flexibility as well as abrasion resistance are required. Boss® 100 forms a strong bond even on damp surfaces, including concrete. This sealant is paintable with most latex paints.