A Closed-Cell Foam Duct Sealing
System for Conduit Sizes up to 2″/50mm

  • Protects Keeps water, gases, and rodents out of conduits.
  • Quick – Installs in 45 seconds.
  • Re-Enterable – Installed ZipSeal™ is easily removed.
  • Multiple Seals – One kit seals up to five 2-inch/50 mm conduits.
  • Meets NEC Code Requirements – 2011 NEC Articles 225.27, 230.8, 300.5 (G), 300.7 (A), on Raceway Seals, 501.15 (B)(2).
  • Meets Industry Standards – Complies with TIA-758-B Standard,, and Sealing Ducts.

Zip-Disc™ Insert Traps the Foaming Liquid


ZipSeal Duct Sealant is a practical and efficient way to seal small conduits and communication innerducts. The revolutionary Zip-Disc insert traps and keeps the foaming liquid in its open-cell (center) area.

The unique two-part foam installs quickly and effectively. The innovative design of the Zip-Disc insert allows for horizontal and vertical installation with minimal drippage. Cured foam blocks can be removed and re-entered relatively quickly if necessary.

ZipSeal Duct Sealant holds up to 10 feet (3.0 m) water-head pressure to keep gases and rodents out of conduits.

Product/Package Notes:

Polywater® ZipSeal is recommended for small conduits and communications innerduct applications.  It comes in a side-by-side 50 ml cartridge with a 1:1 mixing ratio.  A TOOL-50-11 is needed to apply the ZipSeal 2-part foam.

Each kit comes with all the components required for a quick, yet strong duct seal, including the unique Zip-Disc for fast and easy application.
Polywater® ZipSeal Duct Sealant
Catalog # Package Description Units/Case
ZIP-50KIT1 1 - 50ml foam sealant cartridge with resealing cap
2 - static mixing nozzles
2 - pair disposable gloves
5 - 2” (5 cm) Zip-Disc
ZIP-50KIT1G* 1 - ZIP-50KIT1 with dispensing tool 1
ZIP-50KITB6 6 - ZIP-50KIT1 (6 per case) 1
TOOL-50-11 Dispensing tool 1
MXR-20T-10 Mixing Nozzle 10-pack 1

*International export regulations prohibit inclusion of the dispensing tool in kits. Please order the tool (cat# TOOL-50-11) separately for the international destinations.

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