Sikaflex-11 FC+ is a 1-part, multipurpose elastic adhesive and joint sealant with excellent application properties that bond and seal most construction material substratesinternal and external use. It can be used indoors or outdoors, as it is weather-resistant and can handle exposure to UV rays and varying temperatures. With its smooth concrete grey finish, Sikaflex 11FC+ blends seamlessly with many surfaces, delivering both functionality and aesthetics.