Model # 1902A

Internet #204746309

Wolman 5-gal. CopperCoat Green Below Ground Wood Preservative
0037772019022

Wolman

5-gal. CopperCoat Green Below Ground Wood Preservative

$114.99 /each

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Product Overview

Use on below-ground, ground contact or water contact wood installations (especially non-pressure-treated lumber) to protect the structural integrity. Prevents termite and other insect attack, mold, mildew and other fungi attack and dimensional change caused by water absorption. Use as a final finish or under an oil-base primer followed by desired paint or stain.

California residents: see   Proposition 65 information

  • Pre-treatment by dip method before installation is recommended, also designed for protection of deck or porch floor end cuts
  • 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

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Customer Questions & Answers

27 Questions51 Answers

Customer Questions & Answers

5-gal. CopperCoat Green Below Ground Wood Preservative
5-gal. CopperCoat Green Below Ground Wood Preservative

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4 answers

I want to build a house by the ocean and planes call for treated wall studs . Can I use this product for interior walls

This question is from 5-gal. CopperCoat Green Below Ground Wood Preservative
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April 17, 2016
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Asked by
Glyndon md
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July 26, 2016
Answer: 
If you do not anticipate utilizing the interior for about a week ,the product has a pungent odor
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Asked by
midlothian, va
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July 4, 2016
Answer: 
"Exterior Use Only" explicitly stated on can. It also gives off vapors that are irritating to breathe.
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Asked by
Deer River, MN
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June 9, 2016
Answer: 
I wouldn't. It stinks and the smell will drive you out.
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April 19, 2016
Answer: 
Gilbert, we do not recommend applying Wolman CopperCoat Below Ground Wood Preservative to interior walls. This product is designed for exterior use only.
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3 answers

Stirring, Thinning, and use as a "wound dressing"

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Asked by
Virginia, USA
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May 14, 2016
I am having to prune some old, long-neglected apple trees severely. I expect that it will take them some time to heal. I am wondering if I can use this product to protect the exposed wounds from fungi and bacteria until the wounds have compartmentalized. Moreover I am wondering if I can thin the product, (if so with what (water?), and if the product requires much mixing each time it is used. Thank you in advance.
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Asked by
midlothian, va
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September 29, 2016
Answer: 
First yes you must mix it frequently because the ingredients settle in the container. You can spray this on with a sealant sprayer like I garden sprayer. Just shake the container as you are spraying.
As for thinning you can clean up with water but only if you do so quickly. It would probably be better to thin with mineral spirits. But then this material is so thin that it's probably not necessary or
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First yes you must mix it frequently because the ingredients settle in the container. You can spray this on with a sealant sprayer like I garden sprayer. Just shake the container as you are spraying.
As for thinning you can clean up with water but only if you do so quickly. It would probably be better to thin with mineral spirits. But then this material is so thin that it's probably not necessary or recommended.
Lastly, I don't think you should use it for what you described. The material is toxic and kills insects, fish, lichens, mosses, diseases and likely trees that are exposed to it via their xylem & phloem.
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Asked by
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May 18, 2016
Answer: 
Are there any REASONS for this answer or is it just a robo CYA answer?
It took so long to get a response to my question that I read about the use of various copper naphthenate formulations for this very purpose After reading these studies I went ahead and dressed my pruning cuts an an large old storm injury (pictured) with this product. I put three coats on the exposed cuts.
It seems to work very Read More
Are there any REASONS for this answer or is it just a robo CYA answer?
It took so long to get a response to my question that I read about the use of various copper naphthenate formulations for this very purpose After reading these studies I went ahead and dressed my pruning cuts an an large old storm injury (pictured) with this product. I put three coats on the exposed cuts.
It seems to work very well. There is no need to think it and a quick shake mixes it well. Moreover It will not trap water and accelerate decay as the traditional wound dressings do. Read Less
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May 17, 2016
Answer: 
We do not recommend using Wolman CopperCoat Below Ground Wood Preservative for your application. This product is not designed to be applied or protect live trees.
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3 answers

Can this product be spray painted over a large quantity of wood beams and joists?

This question is from 5-gal. CopperCoat Green Below Ground Wood Preservative
Asked by
Ottawa, Canada
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September 3, 2015
We are building a large floor that will have a crawl space. Although wood won't be underground, there will be very high level of humidity under there. To save time, could we just spray paint the product over the floor before putting the sheetings over?
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Asked by
midlothian, va
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July 1, 2016
Answer: 
Yes, just do so liberally. Since it is so thin, it will likely drip all over. Plastic on the area below will allow you to we capture it and use a foam brush to force the solution into cracks and crevices
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Asked by
Leesburg, FL, USA
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October 6, 2015
Answer: 
Yes, but do not thin.
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September 4, 2015
Answer: 
Wolman CopperCoat Green Below Ground Wood Preservative can be sprayed on, however with above ground application, we recommending immersing the wood product for 3 minutes or longer. If dipping is not possible, two brush coats, roller or spray applications can be applied.
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3 answers

Painting over CopperCoat without Primer

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Asked by
Oregon
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August 30, 2015
Can I dispense with the oil-based primer before painting over Copper Coat? How badly would adherence be compromised?

The reason for asking is that I plan to paint with a DeckOver-type of thick penetrating water-based paint that normally adheres best to old wood WITHOUT a primer (this coating has its own priming).
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Asked by
midlothian, va
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July 4, 2016
Answer: 
The way I see it is you have three (3) choices -
1) use this, with an oil-based primer, even if you mix it with oil-based primer (as I did to reduce a step and increase the viscosity for overhead application on a pergola structure)
2) Don't use this at all and just apply the mentioned coating - I have two friends who each have done this to a pool deck and a shaded porch. Each one seems happy with the
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The way I see it is you have three (3) choices -
1) use this, with an oil-based primer, even if you mix it with oil-based primer (as I did to reduce a step and increase the viscosity for overhead application on a pergola structure)
2) Don't use this at all and just apply the mentioned coating - I have two friends who each have done this to a pool deck and a shaded porch. Each one seems happy with the results but the wood was 'treated" but old. It's a product by the name of Restore.
3) Call the manufacturer of the product you are considering. The product may have a formulation that allows the material to deeply penetrate the wood and bind to the lignin in the wooden boards.
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Asked by
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June 28, 2016
Answer: 
Regardless of whether paint, primer, or attain, note the former respondent specified OIL BASED over the product.
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September 1, 2015
Answer: 
Wolman Copper Coat Green Wood Preservative is paintable; it imparts a transparent green color that naturally fades over time. The natural green color can be over-coated with oil-based primer, paint or stain.
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Customer Reviews

5-gal. CopperCoat Green Below Ground Wood Preservative is rated 4.8 out of 5 by 26.
Rated 5 out of 5 by from Good product, requires careful handling This product is designed to protect wood , exterior applications. It is easily applied via a brush or spray bottle, it does have a pungent odorand if it gets on your hands or skin it takes some efffort to remove it We used it on a wood addition that has both pressure treated and non treated wood to eliminate infestation of whatever. We used this product previously and it does exactly what they promise, every bug or other insect leaves the wood alone PERIOD
Date published: 2016-07-26
Rated 5 out of 5 by from Can't imagine not treating posts or ground contact wood with anything else. It does off-gas a pr... Can't imagine not treating posts or ground contact wood with anything else. It does off-gas a pretty pungent odor for weeks, but that can be addressed by over-coating with an Oil based paint. Highly recommend, but do NOT attempt to spray this stuff in either a pump or commercial sprayer, it's highly corrosive and will burn skin/plastic, etc.
Date published: 2016-11-29
Rated 5 out of 5 by from Excellent wood preservative This green liquid is wonderful to extend the life of all lumber, anywhere including pressure treated lumber. When you cut or trim lumber you expose raw wood , even on pressure treated wood , this material soaks in and really adds protection from invasive bugs and other crawly things. I have used this product many times and the only draw back is that it has an amazingly long lasting pungent odor. Having said that I would not build anything without using this product on any wood that is exposed to underground or exterior conditions.
Date published: 2016-08-11
Rated 5 out of 5 by from This product meets my expectations. I use it to improve the weathering of commercially treated wo... This product meets my expectations. I use it to improve the weathering of commercially treated wood poles below ground. The best method in my view is to dip the section of the pole that goes underground in CopperCoat for at least 3 hours.
Date published: 2016-11-08
Rated 5 out of 5 by from Great product I was able to use this product to coat/protect the bottom of my fence posts and it worked great. I used the dip method and thought it worked much better than painting it on. Highly recommend but use precaution when handling the product.
Date published: 2016-10-01
Rated 5 out of 5 by from THis product isn't sold in the retail store. I was surprised that there was an online option and... THis product isn't sold in the retail store. I was surprised that there was an online option and it arrived in great condition and it is being used for my fencing. Would buy again.
Date published: 2016-11-01
Rated 5 out of 5 by from This product is great and easy to apply with a sprayer. The smell lingers but that is just to le... This product is great and easy to apply with a sprayer. The smell lingers but that is just to let your neighbors know that your deck has been preserved!
Date published: 2016-12-20
Rated 4 out of 5 by from Works great Without being able to use the old good post treat, this product is a good substitue.
Date published: 2017-01-03
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