Welcome to Contractors Utility Supply!
Get set up with our new B2B Portal!
Protecting your underground vaults and manholes from water and gas intrusion is non-negotiable. Our commercial-grade HDPE duct entry seals provide a robust, watertight barrier at the exact point where conduits breach the structure wall.
While a standard duct plug seals the inside of a conduit, a duct entry seal protects the annular space around the outside of the pipe. When routing fiber or power through concrete walls, these seals prevent flooding, mud, and corrosive gases from compromising your equipment.
We have a variety of entry seals designed specifically for standard HDPE conduit and high-density micro duct systems. Whether you are core drilling a new entry or retrofitting an existing manhole, our seals are engineered for easy installation and long-lasting expansion. They accommodate a wide range of outside diameters (OD) to ensure a code-compliant, pressure-resistant fit for any utility trench project.
Need help sizing your core drill hole to match your HDPE duct and entry seal? Contact our utility experts for precise specifications and fast sizing assistance.