MasterSeal SL 1 | Self Leveling Polyurethane Sealant ...
MasterSea l SL 1 description: Excellent flexibility that resists abrasion and punctures. MasterSeal SL 1 (formerly known as Sonolastic SL 1) is a one-component, non-priming, elastomeric, self-leveling polyurethane sealant designed for expansion joints in concrete floors and decks. Recommended uses: