Lifetime Ultra Premium Elastomeric Acrylic Latex Sealant is a high performance, multi-purpose sealant formulated to last for the lifetime of your home. This unique formulation provides the maximum level of durability on a variety of substrates indoors or outdoors. It offers excellent paint ability and now includes HomeShield Antimicrobial Protection to ensure against the worst types of mold and mildew. SPEC 230 and ASTM C920 Performance makes this the professional choice for any project.Maximum durabilityInterior/exterior useExcellent paint abilityMold & Mildew Resistant