Vulkem is durable, flexible, offers excellent performance in dynamic joints and is an excellent choice for sealing expansion joints in commercial construction applications. Vulkem 116 is also suitable for certain water immersion applications and is rated for 25% movement capability. Designed for use on poured and precast concrete, masonry work, window and door perimeters, and similar types of construction joints. For use on exterior applications only. Do not use this product inside an occupied building even if there are no occupants present during use.