MULTI-DUCT CONDUIT • PROPRIETARY OPTI-COM® SYSTEM
American-Made
Multi-Duct Innovation
Our proprietary Opti-Com® Multi-Duct conduit is a multi-pathway system that houses fiber-optic cable in high-density configurations where multiple pathways need to run through a single conduit structure. OMNI proudly manufactures one of the only Multi-Duct conduit systems produced in the United States.
Future-Proof Your
Fiber Network
Multi-Duct conduit is a pre-engineered system that consolidates multiple fiber pathways into one structural conduit run. Instead of bundling individual conduits side by side, Multi-Duct conduit uses a single outer conduit with multiple inner ducts already configured inside, available in 2 versions, 3 or 4 pathway configurations depending on the application.
OMNI's Opti-Com Multi-Duct system is the proprietary version of this technology, available with PVC, fiberglass, or steel outer conduit depending on the install conditions. The Multi-Duct conduit system is designed so future fiber capacity can be added without reopening the duct bank, providing a critical advantage for bridge crossings, DOT corridors, and any infrastructure where access is limited or expensive after the initial install.
Multi-Duct Conduit Specifications
For more information on OMNI Opti-Com® Multi-Duct conduit, look no further. If you have project-specific spec questions or need a custom configuration, our engineering team is standing by to help.
SPECIFICATION
value
notes
SYSTEM TYPE
Multi-pathway conduit system
Houses fiber-optic cable in high-density configurations
Pathway Configurations
4 x 1.25" or 3 x 1.50" ONLY
Outer Conduit Options
S40 or S80 PVC, SW, HW or BRFG fiberglass, or Rigid/Galvanized Steel
• PVC: TYPE C, S40, S80
• Fiberglass: SW, HW, BRFG
• Steel: Galvanized
Selected based on application: PVC for standard underground, fiberglass and steel for environmentally demanding installations + exposed to weather
Material — Inner Ducts
HDPE with internal ribs and prelude lining
Inner ducts are high-density polyethylene compound
Standard Sizes
4" Diameter
4 x 1.25" or 3 x 1.50"
BABA COMPLIANT
Yes
Documentation available with every order
Manufactured In
Louisiana
OMNI manufacturing facility, in production since 1985
Need full technical documentation?
Download Multi-Duct Spec Sheet >>
WHY CHOOSE OMNI
Opti-Com® Multi-Duct
Opti-Com® Multi-Duct gives engineers and contractors multiple fiber pathways inside one protected run, so a single install does the work of several. Telecom providers, transportation agencies, and infrastructure contractors source Multi-Duct from OMNI for three main reasons.
Proprietary US Manufacturing
OMNI is one of the only US manufacturers producing a Multi-Duct conduit system at this scale.
Three Outer Conduit Options
Multi-Duct conduit projects each have different structural and environmental requirements. Opti-Com® Multi-Duct is available with a PVC, fiberglass, or steel outer conduit, so the system fits the install, not the other way around.
Custom Engineering Available
When a project needs a configuration outside the standard catalog (such as multi-chamber systems, project-specific dimensions, custom hangers and supports) OMNI's engineering team makes it happen.
Choosing Between Micro-Duct & Multi-Duct Conduit Systems
Our Micro-Duct conduit and Multi-Duct conduit both consolidate fiber pathways, but they're engineered for different applications. Multi-Duct conduit is the standard spec for high-density, larger-scale fiber builds. Micro-Duct is sized for fiber-to-the-home and last-mile applications.
View Full Product Comparison >>
What Engineers Say
FREQUENTLY ASKED QUESTIONS
Opti-Com® Multi-Duct Conduit
What is Multi-Duct conduit?
Multi-Duct conduit is a pre-engineered system that consolidates multiple fiber pathways into a single structural conduit run. A single outer conduit contains multiple inner ducts already configured inside, typically using four to nine pathways. We manufacture Multi-Duct conduit under the proprietary name Opti-Com®, available with PVC, fiberglass, or steel outer conduit.
When should I use Multi-Duct conduit instead of bundled individual conduit?
Multi-Duct conduit is the better choice when a project needs multiple fiber pathways through a single structural run, when future fiber capacity expansion is part of the design, and when reopening the duct bank later would be expensive or impractical. For standard underground fiber builds without those constraints, individual conduit may be sufficient.
Can OMNI manufacture custom Multi-Duct conduit configurations?
Yes. Our engineering team builds custom multi-chamber systems, project-specific configurations, and custom hangers and supports for specialty applications. If your project needs a Multi-Duct conduit configuration outside our standard catalog, contact our technical team to discuss specs and timelines.
What outer conduit options are available with OMNI Opti-Com Multi-Duct?
Opti-Com is available with a PVC, fiberglass, or steel outer conduit. PVC is the most common spec for standard underground Multi-Duct conduit installs. Fiberglass and steel are typically spec'd for environmentally demanding applications like bridge crossings, industrial sites, and locations with chemical or high-heat exposure.
Is OMNI Multi-Duct conduit BABA compliant?
Yes. Every OMNI product is fully Build America, Buy America (BABA) compliant, qualifying them for use in federally funded infrastructure projects, including projects funded through IIJA and the BEAD Program.
What's the typical lead time for an OMNI Multi-Duct conduit order?
Standard Opti-Com configurations vary by project scope. Contact our team to confirm timing directly. Custom configurations and large-volume orders should be discussed with our engineering team early in your project schedule to align on lead time and production windows. For urgent requirements, call us directly.
How does OMNI Multi-Duct conduit compare to other manufacturers' Multi-Duct systems?
We are one of the only US manufacturers producing a Multi-Duct conduit system at this scale, and Opti-Com® is one of the few systems available with three outer conduit options (PVC, fiberglass, steel) from a single manufacturer. For a side-by-side comparison with our other product lines, see our Products overview page or call our team for application-specific guidance.
Need Something Different?
OMNI manufactures multiple product lines for telecom, utility, and infrastructure projects. View the full lineup or jump to the product that fits your application.
MICRO-DUCT
High-density polyethylene Micro-Duct systems for fiber-to-the-home, last-mile, and dense urban fiber backbone builds
PVC
Schedule 40 and Schedule 80 PVC conduit for direct burial and concrete-encasement installations
HDPE
Flexible HDPE conduit for directional drilling or open trench installations; a conduit system that easily conforms to various terrains throughout your project
ACCESSORIES
Conduit supports,
enclosures, handholes,
fittings and more,
all fully compatible with
OMNI's many product lines
Ready to Order Multi-Duct Conduit for Your Project?
Installing a network with long-term growth in mind? Call us today, and we’ll help you find the right Opti-Com® Multi-Duct configuration for your project.