Timbor should only be used on raw wood that ideally is new. Timbor is not water repellant and it will not take care of any rot or mold on the wood. Timbor will only penetrate 1/4 of an inch into the wood and will leave a visible white residue on the surface. Boracare or Boracare with Mold Care would be your best options. As with Timbor, the Boracare will need to be applied to raw natural wood but it can be old or new. The Boracare will penetrate all the way into the wood and will not leave a visible residue on the surface. If the wood is going to continue to be exposed to the outdoor elements, you will need to seal it with a stain or finish of some sort to protect it. If you do this, the Boracare will last for the life of the wood. Boracare will treat and prevent (depending on the rate you use to dilute it) for wood destroying insects such as powderpost beetles, termites, and carpenter ants, as well as wood destroying fungus/rot. The Boracare with Mold Care will cover all of these same preventative measures and it also kills and prevents mold. Please take a look at the Boracare product label for exact instructions for use. You can also reference our article on How To Treat For Dry/Wood Rot.
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Did you pressure wash and scrape the wood after you applied Tim-Bor? If so, you may have removed much or all of your Timbor treatment. Tim-bor should be applied until the surfaces are wet but not to the point of runoff, and it absorbs about ¼ inch into the wood. If you are treating wood that is exterior wood or wood used for decoration or furnishing that will be stained or painted, then it would best to use Boracare to treat the wood before finishing it. Boracare is the liquid version of Timbor, it absorbs more thoroughly into the wood, and it dries clear and smooth when applied correctly.
Any primer or paint can safely be applied to Timbor treated wood as long as Timbor is completely dry after treatment and dry to the touch. There should be no issues once it is completely dried.
Timbor will only penetrate 1/4 inch into the wood since it is a powder. It should only be mixed with water as directed on the product label. If you do mix it with other products, it will clump and not work the way you would like it to. If you need better penetration, Boracare is the only way to do so.
It is recommended that you use a sealant or paint on the wood treated with Timbor. This will seal the product into the wood so that it will last for the life of the wood. It is not necessary to paint or use a sealant though.
Timbor is safe around wildlife and/or pets when it is used as directed. While you are doing a treatment, it is recommended that pets/wildlife out of the area until the product has dried completely. It should also not be used directly in sitting water. Timbor is used around structural wood so it should not come in contact with wildlife or pets.
Timbor is not labeled to be used in this manner, and we can make no recommendations on this usage. Should you have any further questions feel free to contact the product manufacturer, Nisus, directly at 800-264-0870.
Yes you can use the dip method when using Timbor however, you will still be getting the same 15% solution rate as you would if you were spraying it on and getting the same 1/16" penetration level as well. To get the full penetration all the way through the wood we recommend using Boracare. Yes, you would want to get the surface powder left behind by the Timbor off the wood before using any finishing products.