
Commercial, Multi-family (Multi-level exceeding two stories), or High-Rise Applications For Installation into a commercial, multi-family (multi-level exceeding two stories) or high-rise applications: All outer pipe joints must be sealed with high temperature silicone, including the slip section that connects directly to the horizontal termination cap. • Apply a bead of silicone sealant inside the female outer pipe joint prior to joining sections. See Figure 8.1. • Only outer pipes need to be sea