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WHY US

Built by infrastructure operators

Designed by people who have lived the realities of fiber deployment and know how to
fix supply chain failure

Faster Installs.
Lower Total Cost

Tier 22 and Tier 3 vaults engineered for maximum fiber density

25% more usable
capacity

True internal space that future-proofs networks and reduces costly rework

Compliant, Tested,
Trusted

BABA-compliant, load-tested, and engineered for long-term reliability.

Predicted Domestic
Supply

American-made products with reliable lead times when schedules matter most.


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Solutions

Choose your industry

Find the right handhole for your network

Regional ISPs

Rural broadband buildouts with
federal funding

Network contractors

Fast installation, lightweight
design.

Datacenters

Mission-critical reliability and
maximum capacity


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Certifications

BABA compliance for every BEAD-funded project


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Certifications

BABA compliance for every BEAD-funded project


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Products

Handholes

HDPE fiber network handholes engineered for performance


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SUBTERRA SERIES

Tier 3

 


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SUBTERRA SERIES

Tier 15

 


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SUBTERRA SERIES

Tier 22

 


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Proven

Built to last, proven
to perform

Every handhole meets or exceeds industry standards. Norvant products are tested for durability, load capacity, and environmental resistance. Our manufacturing process ensures consistency and reliability across every unit shipped from our Michigan facility.

Reduces costly rework

25% more usable capacity

True internal space that future-proofs networks

Lightweight HDPE reduces labor

Faster
Installs

Lower cost-per-passing

RUS approved and BABA compliant

Domestic
Supply

Engineered for long-term reliability


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Get a Quote

Ready to
build faster

Get a quote or schedule a call with our team today


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FAQ

Find answers to common questions

Common questions about our vaults and services

Need more help?

Our team is ready to answer
technical questions

What problems do Norvant HDPE handholes and vaults solve in fiber and smart infrastructure builds?

Norvant enclosures are designed to remove common sources of delay and rework in outside plant deployments: heavy, hard-to-handle legacy enclosures, tight internal working space, installation inefficiency, and supply risk. Our lightweight HDPE and composite designs help crews install faster and safer, while providing generous internal capacity for today’s fiber density and future expansion. The result is a smoother build, fewer field complications, and a lower total installed cost.

“Tiers” refer to load-rating classes used for underground handholes and vaults in telecom applications.

  • Tier 3: Typically used in pedestrian and light-duty environments.
  • Tier 15: Commonly used in higher-demand mixed environments where additional strength is required.
  • Tier 22: Used in heavy-duty environments, including roadway and high-load applications.

To choose the right tier, start with the site conditions and load requirements in your standards or project specs, then match the enclosure rating accordingly. You can talk to our engineering team to confirm compliance and fit.

Yes. Norvant products are positioned to support Buy America requirements, making them a strong fit for BEAD-funded and other federally funded broadband deployments where domestic content and compliance documentation matter. If your approval process requires vendor onboarding or submittal paperwork, Norvant can support those needs so projects can move forward without compliance-related delays.

  • Installed cost is driven by labor, handling, scheduling, and the risk of rework, not only the purchase price of the enclosure. Norvant helps lower total installed cost by focusing on field realities:
    • Lightweight construction that makes handling and placement easier for crews.
    • True internal capacity that supports higher fiber density, cleaner cable management, and future growth.
    • Installation-friendly design that helps reduce common jobsite friction and avoidable revisits.
  • When the enclosure is easier to deploy and supports growth without replacement, teams protect their schedule, reduce labour overhead, and improve cost-per-passing outcomes.

Norvant supports typical engineering and procurement workflows with practical, submittal-ready information and configuration flexibility. Depending on the product line, this can include:

  • Technical spec sheets (dimensions, materials, weights, and product features)
  • Load-rating information aligned to tier requirements
  • Compliance support for projects requiring domestic content documentation
  • Options and accessories such as multiple colors, labeling or branding options, and cable management features where applicable.

If you need help selecting the right enclosure for a specific application, Norvant can align engineering requirements, procurement criteria, and build constraints to streamline approvals and keep projects moving.

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