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Metacaulk® 835+ is for applications that require a silicone-based firestop. Designed for use with PVC pipe on closed (pressure) systems, EMT, insulated and uninsulated steel pipe, construction and control joints and interior expansion joints. Flexible, nonsag and low odor sealant for exterior or interior use. Used in systems where dynamic movement is expected. STC rating 55, Tested in a UL 411 wall assembly/section to ASTM E90. |
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