Tenino Copper Naphthenate® is a wood preservative product by Copper Care that meets the AWPA M4 standard and the ICC codes. It protects wood from decay, insects, and termites, …

Aug 20, 2015 · This solution is a ready-to-use Copper Naphthenate 17% with 2% copper as metal, and it is labeled for General Use. It is water repellant, toxic, and repellant to termites …

Copper naphthenate in oil is a heavy duty wood preservative used for utility poles, railroad crossties and bridge timbers, highway construction such as posts and guardrails, fence posts, …

This preservative delivers long-lasting protection for treated wood while requiring no special equipment to apply. Once treated, wood is considered non-hazardous waste, meaning it can …

The most commonly available preservative for field treating wood in outdoor exposures is copper naphthenate. There are a variety of copper naphthenate-based preservatives available that …

Tenino Copper Naphthenate, 2% (17% by Volume) is packaged by Copper Care Wood Preservatives for Poles, Inc. Tenino is a conveniently packaged ready-to-use, ground contact, …

Nov 7, 2025 · Copper naphthenate is a heavy-duty wood preservative with a long history of protecting materials from biological threats. First utilized commercially in Europe in 1889, this …

Wheeler uses copper naphthenate (QNAP) to ensure our timber materials stand the test of time. Copper naphthenate is an approved, effective and oil-borne wood preservative. Oil-borne …

Tenino preserves against wood destroying organisms including, subterranean termites, drywood termites, wood destroying beetles, powder-post beetles, carpenter ants, and decay.

Ready-to-Use Copper Naphthenate 17% (contains 2% copper as metal), meets the AWPA M4 Standard Required by building codes (IBC 2303.1.9 & IRC R317.1.1) on end-cuts of all …