Sikaflex 15lm 20 Oz. Redwood Tan Sausage Pack Polyurethane Sealant Excellent for moving joints in vertical applications Suitable for use between similar as well as dissimilar materials. Typical applications include joints in concrete panel and wall systems, around window and door frames, reglets, flashing, common roofing detail applications, etc Exceptional sealant choice for high-rise and facade applications where high movement capability is required. 2- and 3-hour UL Fire Rated Joint System Nos. FF-S-0007, FF-S-0037, FW-S-0015, FW-S-0018, HW-S0076, HW-S-0095, WW-S-0011 and WW-S-0060.