External Treatment Pastes

External Wood Pole Treatment Pastes

External Wood Pole Treatment Pastes

External preservative treatment pastes are available to preserve the ground-line area of in-service utility poles. This zone, 2 inches above ground to 20 inches below ground, is especially susceptible to decay because of the combination of moisture, oxygen and decay fungi in this area. Modern preservative pastes normally contain a copper based preservative for surface treatment in combination with a diffusible preservative such as borate. Most are broad spectrum in their control of insects and decay. They are also highly concentrated so that a small amount will provide targeted protection. Typically poles are inspected and treated on a 10 year cycle.


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Cu-Bor Preservative Paste (42 lb. Box)

Product no.: 001-WP4024

$73.00 *
Delivery weight: 44 lb

Cu-Bor Preservative Paste (50 lb.) Packaged in a 5 Gallon Pail

Product no.: 003-WP4027

$91.00 *
Delivery weight: 54 lb

MP500-EXT Preservative Paste (4 Gallon Box)

Product no.: 005-WP4094

$69.00 *
Delivery weight: 45 lb