Now there is a ready to use copper naphthenate 2% oil-borne preservative that can be used in the field as a brush on application for end-cuts, dap cuts, drill holes and other applications where treated wood needs protection.
Copper Naphthenate Wood Preservative and End Cut Treatment is available for retail sales and sold through your pressure treatment company.
QNAP2 can be used for:
Decking End Cuts Crossarms
Post End Cuts Railroad Ties
Utility Pole Drill Holes Lumber