EcolifeĀ® & PreserveĀ® FAQs
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What are the differences between EcolifeĀ® and PreserveĀ® treated lumber?
Ecolife® / Severe Weather® and Preserve® are both preservative treatments that can be used for above ground applications of treated wood, such as decking or fencing. Both products are standardized by the American Wood Protection Association (AWPA), indicating that they have demonstrated proven performance. Ecolife / Severe Weather is a non-metallic preservative with a built-in wood stabilizer which helps the treated lumber look better for longer. The built-in stabilizer helps reduce the amount of cracking, checking and splitting that occurs in wood exposed to the elements.
Ecolife/Severe Weather (with Ecolife)Ā is approved for useĀ in applications six inches or higher from the ground-- above groundĀ use. At Lowe's, Ecolife is designated with "EL2" on the end tag and is available inĀ heights and widths up toĀ 2x6, railing components, fence pickets and panels.
DCOI, the active ingredient in Ecolife, won the EPA President's Green Chemistry Challenge Award in 1996 for replacing TBTO as an antifoulant in the hulls of ocean-going vessels. DCOI offers an environmentally advanced option andĀ is also used in the preservative treatment ofĀ UltraPole NXTĀ® utility poles and crossarms.
Preserve CAĀ can be used in either above ground or ground contact applicationsĀ depending on retention levels of the preservative treatment. CheckĀ the end tag for the appropriate use.Ā
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Are EcolifeĀ® / Severe WeatherĀ® and PreserveĀ® safe for building an in-ground, raised bed vegetable garden?
The construction of an in-ground, raised vegetable garden should use materials designed to withstand ground-contact exposure. So while the preservatives are safe for use near edible garden plants, EcolifeĀ® is not intended or approved for ground-contact exposure. Preserve can be pressure treated for ground-contact exposure, is equally safe around edible plants, and is available in larger posts such as 4x4's or 6x6's which may work as the retaining wall or perimeter of a raised vegetable garden. Read more here onĀ current research on treated wood use in garden beds.
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Why is EcolifeĀ® lighter in color than PreserveĀ®?
Preserve is a copper-based preservative and it is the copper in the preservative which imparts the green color. Ecolife / Severe Weather is not a copper-based preservative although there is some colorant added to distinguish the EcolifeĀ® treated wood from untreated wood. The colorant in Ecolife does not impart a strong green tint on wood after treatment.