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The Industrial Treated Wood Products Division of Cox Industries combines the manufacturing capabilities of four specialized production facilities and the expertise of an experienced company to provide readily available treated products approved under the Wood Quality Control (WQC) program. DuraPine Heavy Duty Treated Wood products have been a staple for the Utility Industry for decades.

cox utility treatments


The chemical used to preserve DuraPine® Heavy Duty™ pressure-treated wood is a mixture of the oxides of copper, chromium, and arsenate known as CCA. The preservative has been formulated to render wood useless as a food substance for termites and fungi while keeping the wood attractive, clean, odorless, non-staining, and safe to handle when used as recommended.


ET®poles are treated with a refined hydrocarbon oil emulsion in the outer layer of the pole following treatment with CCA. The viscous oil emulsion serves as a lubricant, making the pole easier to climb and to work on without affecting the preservative properties of the CCA treatment.


Penta has demonstrated outstanding performance for more than 60 years against fungal decay, moisture and termites. It has become a favorite among linemen for climb-ability. Penta is not considered to be a hazardous waste, so Penta poles can be reused and recycled in a number of ways.


Penta is the shortened name for the chemical preservative, Light Solvent Pentachlorophenol (Type C), which is dissolved in mineral spirits (a carrier) with a water repellent additive. Mineral spirits as the carrier evaporates rapidly producing a wood product that is clean and paintable


DuraQ-CuNap is an 8% oil-borne copper naphthenate solution that is an EPA-registered, non-restricted use/general use preservative also adopted as standard for use by the AWPA (P36). The product is created from recycled copper and by-products of oil refining – making it green from the start.

other products

  • Finish clears
  • Boards
  • Decking
  • Timbers (beams & stringers, post and timbers)
  • Structural laminates
  • Industrial clears
  • Tank stock
  • Cross arms
  • Scaffold plank
  • Ship lumber (decking)
  • Cross ties
  • Switch ties
  • Poles & piling
  • Crane mats
  • Camel logs
  • Glu laminated poles & beams
  • Laminated materials
  • Plywood (ACX, sheathing, marine)

cox utility resources

Cox Industries Announces Acquisition of Langdale Forest Products Assets

Addition of Langdale Further Extends Cox’s Production Platform in Southeast March 5, 2017 ORANGEBURG, SC—Cox Industries announced today that is has formally completed the acquisition of certain assets of Langdale Forest Products, one of the Southeast’s largest wood utility pole manufacturers. The acquisition includes both the purchase of Langdale production facilities in Sweetwater, TN and […]

We have seen our citizens demonstrate strength through peace and unity

For more than six decades Cox Industries has called South Carolina home; a state rich in history, but richer in progress. As we come together to honor those lost in this senseless act of violence, we have seen our citizens demonstrate strength through peace and unity. South Carolinians have shown we stand in harmony, without […]

Cox Industries, Inc. launches sales & marketing of copper naphthenate...

Cox Industries, Inc. launches sales & marketing of copper naphthenate products out of Conrad’s Arbuckle, California plant. Conrad switches Arbuckle plant to copper naphthenate. Cox Industries, Inc. will sell copper naphthenate utility poles from Conrad Forest Product’s Arbuckle California Plant beginning in Q2, 2015. The plant will be converting to the use of copper naphthenate […]