Bath & Kitchen Sealant is a high quality, acrylic based sealant that provides an effective, yet economical seal that is easy to use. With added anti-fungal compound.Bath & Kitchen Sealant should be at room temperature when you begin using the product. If Bath & Kitchen Sealant has been stored in cool conditions it should be placed in a warm room / bucket of warm water before use to gently heat up to working temperature.