Atkore HDPE Innerduct

Advanced Cabling Solutions: Protect-N-Duct™ and Kortech™

What is Innerduct?

Innerduct is a flexible conduit used to protect and organize optical and communication cables. Our high-density polyethylene (HDPE) innerduct, including the Protect-N-Duct™ and Kortech™ product lines, provides superior protection and durability for your cabling needs, offering efficient and reliable performance in indoor applications.


Key Benefits of Atkore HDPE Innerduct

Resistant to harsh environmental conditions, including UV exposure.

ETL listed to UL 2024 and CSA certified to CSA C22.2 No. 262-04.

Corrugated design allows for easy installation in complex layouts.

Available in multiple sizes (3/4 - 2 inches) and colors (orange, yellow, blue, green, red, black, and gray).

Top Innerduct for Cable Protection and Management

By choosing Atkore’s Protect-N-Duct or Kortech™ lines, you receive products that meet the highest standards of protection, flexibility, and compliance for your cabling infrastructure. Our HDPE innerduct offerings cater to various applications, from general purpose and plenum to riser-rated needs, providing the right solution for any environment.

Protect-N-Duct™ General Purpose

Protect-N-Duct General Purpose is a corrugated, flexible innerduct with standard pull tape, ideal for optical fiber and communication cable raceways. It comes in various colors and is delivered in reels or custom-ordered coils.

Protect-N-Duct™ Plenum

Our plenum innerduct is lightweight, non-metallic, and perfect for plenum spaces. It is FT6 rated, ETL listed to UL 2024, and CSA certified. Available in standard colors of orange and white, with other colors available on request.

Protect-N-Duct™ Riser

Designed for vertical runs, the riser innerduct is strong yet lightweight, making it ideal for riser-rated applications. It meets FT4 standards and is available in various colors and delivery methods.


Kortech™ is a corrugated, flexible, continuous-length HDPE conduit with pull rope, suitable for general-purpose outdoor applications. It includes a UV stabilization additive. Available in sizes from 3/4 to 2 inches, Kortech™ comes in standard orange as well as yellow, blue, green, red, black, and gray. Delivery options include reels and coils.


Dive Deeper with our Innerduct Brochure

For more detailed information about Atkore HDPE innerduct products, download our comprehensive brochure. It provides all the product specifications needed to make the best choice for your infrastructure project.

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