EnduraPOLE™ COMPOSITE POLES HOLD THE LINE
Performing Under Pressure in the Field and Over Time with No Room for Failure
Composite Poles That Deliver Exactly What You Need
With design, modeling, and thorough testing taken on by engineers who understand the grid’s demands and hate losing time redoing critical work, Thursday Poles packs innovation, intention, and real-world resilience into every pole.
EnduraPOLE™ Pole Classes & Lengths
- =Class 1 Poles Available in 30' - 40'
- =Class 2 Poles Available in 30' - 45'
- =Class 3 Poles Available in 30' - 60'
*Pole classes and lengths are determined by matching deflection of equivalent Western Red Cedar pole by +10%
Pole Specs at a Glance
| EnduraPOLE™ | 30′ | 35′ | 40′ | 45′ | 50′ | 55′ | 60′ |
|---|---|---|---|---|---|---|---|
| Outside Diameter | 12.0″ | 12.0″ | 12.0″ | 12.0″ | 12.0″ | 12.0″ | 12.0″ |
| Inside Diameter | 11″ | 11″ | 11″ | 11″ | 11″ | 11″ | 11″ |
| Weight (lbs.)* | 473 | 552 | 630 | 709 | 788 | 867 | 946 |
| Pole Class by Strength – NESC Grade B | H6 | H5 | H4 | H3 | H2 | H1 | H1 |
| Pole Class by Strength – NESC Grade C | H4 | H3 | H2 | H1 | Class 1 | Class 1 | Class 2 |
| Pole Class by Deflection** | Class 1 | Class 1 | Class 1 | Class 2 | Class 3 | Class 3 | Class 3 |
| EnduraPOLE™ | 9.14 m | 10.67 m | 12.19 m | 13.72 m | 15.24 m | 16.76 m | 18.29 m |
|---|---|---|---|---|---|---|---|
| Outside Diameter | 304.8 mm | 304.8 mm | 304.8 mm | 304.8 mm | 304.8 mm | 304.8 mm | 304.8 mm |
| Inside Diameter | 279.4 mm | 279.4 mm | 279.4 mm | 279.4 mm | 279.4 mm | 279.4 mm | 279.4 mm |
| Weight (kg.)* | 214 | 250 | 286 | 322 | 357 | 393 | 429 |
| Pole Class by Strength – NESC Grade B | H6 | H5 | H4 | H3 | H2 | H1 | H1 |
| Pole Class by Strength – NESC Grade C | H4 | H3 | H2 | H1 | Class 1 | Class 1 | Class 2 |
| Pole Class by Deflection** | Class 1 | Class 1 | Class 1 | Class 2 | Class 3 | Class 3 | Class 3 |
* Weight includes installed top cap and base plate, exclusive of hardware and steps.
** Class by Deflection – When the EnduraPOLE is subjected to ANSI class loads the deflection will be less than 110% of a Western Red Cedar Pole of similar length and class.
30′ Pole
Metric Length: 9.14 m
Outside Diameter: 12″ (304.8 mm)
Inside Diameter: 11″ (279.4 mm)
Max Weight (lbs.)*: 473
Max Weight (kg)*: 214
Class by Strength:
Grade B: H6
Grade C: H4
Class by Deflection**: Class 1
35′ Pole
Metric Length: 10.67 m
Outside Diameter: 12″ (304.8 mm)
Inside Diameter: 11″ (279.4 mm)
Max Weight (lbs.)*: 552
Max Weight (kg)*: 250
Class by Strength:
Grade B: H5
Grade C: H3
Class by Deflection**: Class 1
40′ Pole
Metric Length: 12.19 m
Outside Diameter: 12″ (304.8 mm)
Inside Diameter: 11″ (279.4 mm)
Max Weight (lbs.)*: 630
Max Weight (kg)*: 286
Class by Strength:
Grade B: H4
Grade C: H2
Class by Deflection**: Class 1
45′ Pole
Metric Length: 13.72 m
Outside Diameter: 12″ (304.8 mm)
Inside Diameter: 11″ (279.4 mm)
Max Weight (lbs.)*: 709
Max Weight (kg)*: 322
Class by Strength:
Grade B: H3
Grade C: H1
Class by Deflection**: Class 2
50′ Pole
Metric Length: 15.24 m
Outside Diameter: 12″ (304.8 mm)
Inside Diameter: 11″ (279.4 mm)
Max Weight (lbs.)*: 788
Max Weight (kg)*: 357
Class by Strength:
Grade B: H2
Grade C: Class 1
Class by Deflection**: Class 3
55′ Pole
Metric Length: 16.77 m
Outside Diameter: 12″ (304.8 mm)
Inside Diameter: 11″ (279.4 mm)
Max Weight (lbs.)*: 867
Max Weight (kg)*: 393
Class by Strength:
Grade B: H1
Grade C: Class 1
Class by Deflection**: Class 3
60′ Pole
Metric Length: 18.29 m
Outside Diameter: 12″ (304.8 mm)
Inside Diameter: 11″ (279.4 mm)
Max Weight (lbs.)*: 946
Max Weight (kg)*: 429
Class by Strength:
Grade B: H1
Grade C: Class 2
Class by Deflection**: Class 3
* Weight includes installed top cap and base plate, exclusive of hardware and steps.
** Class by Deflection – When the EnduraPOLE is subjected to ANSI class loads the deflection will be less than 110% of a Western Red Cedar Pole of similar length and class.
Industry Standards Are Our Starting Line
If it isn’t certified to meet our high expectations and internal standards, it isn’t on our product line. Spec confidence starts with proven compatibility.
- =ANSI and ASTM tested and aligned
- =CADD and PLS-CADD files available
- =SPIDA files (coming soon)
- =Meets or exceeds industry performance and safety expectations
- =Engineered with utility collaboration in mind
- =Drill guides and hardware best practices included
- =End-of-life recycling support
Designed for the Grid, Proven in the Real World
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Fire-resistant (UL 94 V-0 rated)
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UV and corrosion resistant
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High load-to-strength ratio
-
Inherently non-conductive and non-toxic
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80+ year lifecycle with zero required maintenance
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Lightweight handling means safer, faster installs
Accessories Included:Secure Your EnduraPOLE™ with Top Caps & Base Plates
Every EnduraPOLE™ includes purpose-engineered top caps and base plates designed to protect the pole’s integrity from tip to trench. Lightweight yet incredibly durable, both components are fire-resistant, corrosion-proof, and require virtually no maintenance across a service life of 80 years or more—just like the pole itself.
EduraPOLE™ Top Cap
- =Smooth, Tip-Free Design:
- No protruding tip means no accidental snags, simplifying handling and installation.
- =Engineered for Strength:
- Designed to withstand the force of a 1" hailstone.
- =Bird-Deterrent Profile:
- Eliminate perch points to help reduce nesting, debris, and avian interference.
- =Sealing Barrier:
- Create a tight, moisture-resistant seal to protect wiring and interior components from pests or environmental threats.
EnduraPOLE™ Base Plate
- =Wider Load Distribution:
- Spread vertical pressure across a larger area, preventing gradual pole sinking or tilting. Designed for a safety factor of 2.0.
- =Easier Field Setup:
- Support fast deployment with lightweight base plates that are easy and intuitive to install.
- =Built-In Drainage:
- Multiple holes ensure effective water egress, reducing corrosion risk and frost heave.
- =Long-Term Embedment Stability:
- Prevent soil movement and maintain consistent embedded depth for decades.
Get the Precise Pole for Your Application
We don’t take a one-size-fits-all approach. Whether designing a city grid, extending a rural line, or fortifying a wildfire corridor, we craft the composite utility pole that delivers the performance your application demands.
Need a Custom Length or Other Specs? Let’s Talk
Whether you’re ready to order or still exploring spec details and determining your needs, we’re here to help. Let’s get your next utility pole order right from the start. Request a custom length, get a spec package, and find out more about our composite fiberglass utility poles.