• Jacksboro, North Texas
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  • American-Made Underground Enclosures

Built for Durability,
Engineered for Infrastructure .

Durable Enclosures manufactures a complete line of polymer concrete and fiberglass handholes and vaults — engineered for the demands of telecom, electrical, and utility infrastructure. Designed in-house. Built at scale. Made in North Texas.

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Years In Industry
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Acre Facility
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BABA Compliant
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Made in Jacksboro
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  • Our Product Line

The Right Enclosure for Every Application

From compact splice handholes to large-capacity vaults, every product in our line is engineered for long-term performance in the field. Choose your material type below to explore available sizes and access dimension drawings.
  • 01

Polymer Concrete

Our polymer concrete enclosures deliver industry-leading compressive strength with a watertight finish. Ideal for high-traffic installations and road-crossing applications, they’re available in Tier 15 and Tier 22 load ratings across a comprehensive range of sizes — fully assembled with box, cover, and hardware.
  • Load ratings: Tier 15 (H-10) and Tier 22 (H-20)
  • Sizes from 11"×18" up to 48"×96"
  • Fully BABA-compliant
  • Manufactured in Jacksboro, TX
View Polymer Concrete Sizes
  • 02

Fiberglass Straight

Lightweight, corrosion-proof, and built for long service life. Our straight-wall fiberglass handholes are the go-to choice for fiber and telecom network builds where installation speed and material durability both matter. Consistent interior dimensions make cable management and equipment fit straightforward on every job.
  • Corrosion-resistant fiberglass construction
  • UV-stabilized for above and below-grade use
  • Consistent interior dimensions
  • Made in North Texas
View Fiberglass Straight Sizes
  • 03

Fiberglass Flared

The flared-wall design provides enhanced structural rigidity and a wider base footprint — the right choice for installations in sandy, loose, or shifting soil conditions. The outward taper distributes lateral underground pressure more effectively, reducing long-term deformation risk without adding significant weight.
  • Flared profile for added base stability
  • Engineered for variable soil conditions
  • Corrosion-proof fiberglass
  • Custom configurations available
View Fiberglass Flared Sizes
  • Our Manufacturing Process

From Concept to Creation — All Under One Roof

At Durable Enclosures, we don’t just think outside the box — we mold it, shape it, and bring it to life. Our in-house tooling department is the backbone of everything we produce, and it’s what separates us from companies that simply resell or outsource.

Every enclosure starts with an idea and ends as a finished, field-ready product — all within our 14-acre manufacturing facility in Jacksboro, North Texas. This means tighter tolerances, faster lead times, and the ability to accommodate custom dimensions when standard sizes don’t fit your project requirements.
We invest in our tooling infrastructure so your infrastructure never fails.
Learn More About Us
  • Jacksboro, TX

14-Acre Facility

01

Engineering & Design

In-house tooling engineers develop and refine every mold before production begins.
02

Material Production

Polymer concrete and fiberglass materials are mixed, molded, and cured to spec on-site.
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03

Quality Inspection

Every enclosure is inspected before leaving our facility — box, cover, and hardware reviewed as an assembly.
04

Ready to Ship

In-house tooling engineers develop and refine every mold before production begins.

  • Why Choose Us

Where Utility Meets Durability

Durable Enclosures was built by people who know this industry from the ground up — literally. Here’s what that means for your project.

30+ Years in the Industry

Founded on more than three decades of experience, our leadership team brings decades of real-world expertise to every product decision. We’ve seen what works in the field — and we build accordingly.
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Built for Scale

Our 14-acre North Texas facility is purpose-built for high-volume production. Whether your project calls for 50 units or 5,000, we have the capacity and process to deliver on time without compromising quality.

BABA-Compliant & BEAD-Ready

Every product we manufacture is made in Jacksboro, TX, with domestic materials and American labor — fully aligned with Build America, Buy America guidelines. The right partner for any BEAD-funded broadband infrastructure project.

One Manufacturer, Complete Line

Polymer concrete, fiberglass straight, fiberglass flared — we manufacture the full spectrum of underground enclosures, so you can source your entire project from a single, trusted supplier.
  • Federal Compliance

BEAD Program Ready. BABA Compliant.

All Durable Enclosures polymer concrete products meet the Build America, Buy America (BABA) requirements for federally funded infrastructure projects. If your project is receiving BEAD broadband funding or any other federal grant, our products are ready to meet compliance requirements — no exceptions needed.
View Full BABA Compliance Table

Manufactured in Jacksboro, TX · Domestic materials · American labor

100%
Material Origin
Domestic
Labor
American
Facility
Jacksboro, TX
BEAD Eligible
Yes
  • About Durable Enclosures

Decades of Expertise.
One Clear Mission.

Durable Enclosures LLC was founded by Eddie Ruiz after more than three decades of building and growing handhole companies across the industry — including the successful exit of his previous company, Duravault LLC. When Eddie returned to the market, he brought with him a clear vision: to build the best-manufactured, most reliably supplied underground enclosures in the country.

That vision is realized every day at our facility in Jacksboro, North Texas — a 14-acre operation engineered specifically for the volume and quality standards the telecom, electrical, and utility industries demand.

Read Our Full Story
  • Federal Compliance

Let's Build Something That Lasts

Whether you’re sourcing BABA-compliant vaults for a government-funded project, specifying enclosures for a large fiber deployment, or looking for a custom solution your current supplier can’t provide — we’re ready to help.

Reach out to our team for product specs, volume pricing, or a quote.

Contact Us
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General Inquiries

info@durableenclosures.com

Sales & Quotes

sales@durableenclosures.com

Facility

Jacksboro, North Texas