Polywater® FST™ Foam Sealant

Durable and Reliable Sealing of Conduits and Risers from Moisture, Gases, and Pests

Polywater FST Foam Sealant provides a superior pressure-blocking barrier in the toughest environments. It stops water, methane, and other gases to keep electrical systems and underground cable networks intact. It is durable, chemically resistant, and has excellent adhesion properties. Available in a variety of easy-to-install, field-ready kits.