Koppers crossarms, the workhorse of any utility distribution system

Conductor wires, transformers, broadband connections. The list of critical equipment and devices customers rely on poles to carry is accomplished only by using well-designed, durable crossarms. Engineered to exacting specifications, designed to handle significant stress loads, and treated to allow for years of use, Koppers crossarms provide customers assurance that vital electrical and communication services are delivered without interruption.

Utility Lineman

Length: Standard utility lengths (8′ and 10′), as well as custom sizes in lengths from 4′ up to 28′.

Thickness: 3 1/2″ X 4 1/2″, 3 3/4″ x 4 3/4″, and 4 1/4″ X 5 1/4″, as well as custom sizes up to 8″ thick and 18″ wide.

Southern Yellow Pine


Douglas Fir


Our heavy-duty CCA preservative has been specifically formulated to protect poles and crossarms by countering the attack of termites and fungi while keeping wood clean, odorless, non-staining and safe to handle when used as directed.



DCOI is an EPA-approved, patent-pending preservative formulation developed by Koppers Performance Chemicals. DCOI is both AWPA (P39) and RUS approved as an organic oil-borne preservative for utility poles and crossarms.


AWPA Use Category System - UC3B Above Ground, UC4A Above Ground, Critical