Flexseal NS901 is a one-component, high modulus elastomeric silicone sealant designed for various applications. It offers excellent adhesion to most building substrates and is resistant to UV, weathering, and mold. With a 25% movement accommodation factor, it's suitable for sealing joints in construction, including those between concrete, wood, metals, and anodized aluminum. This versatile sealant is ideal for a range of applications, from floors and walls to precast panels and curtain walls, both internally and externally. It can also be used in submerged conditions, making it a reliable choice for demanding, changing weather conditions.