10 Best Wood Preservatives 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing products, scanning reviews, spending more than 36 hours of research and speaking with our test users, we think the Rust-Oleum 1904A Wolman (Woodlife) CopperCoat Green Wood Preservative-Below Ground is the one of the Best Wood Preservative on the market.

Rust-Oleum 1904A Wolman (Woodlife) CopperCoat Green Wood Preservative-Below Ground – Best Overall Wood Preservative

Rust-Oleum 1904A Wolman (Woodlife) CopperCoat Green Wood Preservative-Below Ground
  • It is easy to use
  • It is highly durable
  • Manufactured in United States
  • Model number: 1904A

Green Products 210-328 Wood Preservative – Best Budget Wood Preservative

Green Products 210-328 Wood Preservative
  • Seals The Wood
  • Protects Against Mold And Mildew
  • Kills Off Harmful Insects
  • Copper naphthenate and hydrocarbon solvent wood preservative
  • Brush applied for surface protection of most woods
  • Reacts with the cellulose of wood
  • Formulation extends the service life of wood products
  • Use to prevent deterioration of wood caused by mold, rot and decay

Rust-Oleum 01901 Coppercoat Wood Preservative

Rust-Oleum 01901 Coppercoat Wood Preservative
  • EPA-registered, insecticidal preservative prohibits termite damage, rot and decay
  • Inhibits surface growth of fungal organisms: mold, mildew and staining fungi
  • Paintable and stainable; imparts a transparent green color that naturally fades over time
  • Designed for protection of deck or porch floor end cuts

Rust-Oleum Clear 902 Wolman Classic Wood Preservative-Above Ground

Rust-Oleum Clear 902 Wolman Classic Wood Preservative-Above Ground
  • It is easy to use
  • It is highly durable
  • Manufactured in United States
  • Model number: 902

Tenino Copper Naphthenate (2% as metal)

Tenino Copper Naphthenate (2% as metal)
  • 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 pressure treated lumber
  • Low VOC (<350g/L) and 100% domestically sourced from recycled copper and reclaimed by-products.
  • Labeled for General Use, and wood treated with Tenino maybe discarded in local landfill
  • Water repellant and both toxic and repellant to termites and other wood destroying insect

Rust-Oleum Corporation Zinsser 00903 Clear Wood Preservative

Rust-Oleum Corporation Zinsser 00903 Clear Wood Preservative
  • This item is a Rust-Oleum 00903 Wood life Classic, 1-Gallon, Clear
  • Purpose of use for Painting Supplies, household-wood-stains
  • This product is manufactured in United States
  • EPA-registered, fungicidal preservative protects against surface mold, mildew, rot and decay
  • Water repellent resists water damage: swelling, warping, end-checking
  • 100% clear - reveals natural wood color and allows it to gray naturally

Preservation Solutions Pentacryl Wood Stabilizer – Premium Pick

Preservation Solutions Pentacryl Wood Stabilizer
  • Combats the negative effects of drying by displacing water and moisture in the wood fibers
  • Doesn't stain the wood or affect finishing in any manner
  • Drying time reduced by as much as 90% with Pentacryl
  • Your wood will dry quicker and more evenly
  • Pentacryl residue even lubricates your tools as you work

Valhalla Wood Preservative 1-Gallon Eco Friendly Non Toxic Lifetime Wood

Valhalla Wood Preservative 1-Gallon Eco Friendly Non Toxic Lifetime Wood
  • Lifetime wood treatment is an non-toxic wood treatment
  • Useful in treating marinas, houses and decking
  • Natural substances penetrate the wood fibers, permanently modifying the wood structure
  • Creates no harmful residue in soils and water
  • Friendly to plants, animals and people and can be used in direct contact with garden soil

Valhalla Wood Preservatives 5-Gallon Eco Friendly Non Toxic Lifetime Wood

Valhalla Wood Preservatives 5-Gallon Eco Friendly Non Toxic Lifetime Wood
  • Lifetime wood treatment is an non-toxic wood treatment
  • Useful in treating marinas, houses and decking
  • Natural substances penetrate the wood fibers, permanently modifying the wood structure
  • Creates no harmful residue in soils and water
  • Friendly to plants, animals and people and can be used in direct contact with garden soil

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