Tim-bor Professional

4.5 out of 5 stars 113 Reviews | 147 Q&A

Tim-bor Professional
Price/Ea.
$18.98

Buy 4 or more: $16.49 each

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Average Rating

4.5 out of 5 stars Rating: 4.7

113 Reviews | 147 Q&A

Product Overview

Tim-bor Professional should only be applied for eradicating fungus off of wood and for protecting new wood from future infestation.  If treating any wood with an existing infestation, you should always use Bora-Care. Bora-Care will penetrate through an entire piece of wood much deeper and ensure proper control, and it will protect the wood you are treating forever.

Tim-bor Professional is an insecticide, fungicide and wood preservative for the protection and treatment of lumber against fungal decay and wood destroying insects. Tim-bor is a water soluble, inorganic borate salt with insecticidal and fungicidal properties. It is an effective treatment for wood to kill and prevent infestations of decay fungi including white rot, brown rot (i.e. Poria) and wet rots. Tim-bor does not treat mold or prevent mold from growing.

Features and Specs

Active Ingredient Boron sodium oxide (B8Na2O13), tetrahydrate (12280-03-4) 98%
Target pests Wood Destroying Organisms: Termites, Beetles, Carpenter Ants
For use in Interior and Exterior as an Insecticide, Fungicide, or Wood Preservative - Use on Untreated Wood

25# Tim-bor includes a Scoop for easy measuring
Application Can be used as a Foam, Liquid, or Dust

If there is a present Powder-post Beetle infestation, BoraCare is the preferred product, especially for furniture, because it absorbs further into the wood to take care of the infestation
Tim-bor only absorbs 1/4 of an inch
Yield 1.5 pounds of Tim-bor will treat up to 200 sq. ft of untreated wood
Use as a Dust against several insects
NOT FOR SALE TO CT, NY (Restricted To Licensed Applicators Only)
Parts Included 25 lb buckets come with a half pound measuring scoop
Shipping Weight 1.67 lbs
Manufacturer Nisus (Mfg. Number: PRO-TIMBOR8X1)
UPC 616609111537
EPA Registration 64405-8

Details

Timbor can be used as a Dust, Liquid, or Foam. It is water soluble, economical, odorless and can be used in conjnction with fumigation for residual protection. It is formulated with a concern for the environment.

Timbor is only absorbed 1/4 inch into the wood and leaves a white powdery coating. If you are treating thick wood or want it to look like its original state, then purchase the BoraCare product.

What is Timbor?

Timbor is a wood preservative that works as an insecticide and fungicide.

What is the active ingredient in Timbor?

The active ingredient in Timbor is disodium octaborate tetrahydrate, a natural borate compound.

What is a borate compound?

Borate compounds are derived from mineral deposits that contain the element Boron. These compounds are use in the production of many products including ceramics, glass and medicines and also work extremely well as insecticides and fungicides.

Why is Timbor considered an insecticide and fungicide?

Insects are exposed to the active ingredient by eating treated wood or by ingestion while grooming. Borates are a contact toxicant to fungi. The borates prevent metabolism of food by insects and fungi causing death.

How is Timbor applied?

Timbor is applied to the surface of bare wood as a liquid. It can also be applied as a dust into void attic and wall void areas for labeled insect control.

How does Timbor work as a wood preservative?

When Timbor is applied as a liquid to the surface of bare wood, it diffuses into the wood to make the wood itself toxic to wood destroying organisms such as wood decay fungus or drywood termites.

Is Timbor concentrate a liquid?

Timbor comes in a powder form that is used as a powder or mixed with water to form a liquid solution. To create a 10% solution mix one pound of Timbor to one gallon of water. This solution must be applied twice to a bare wood surface. To create a 15% solution, mix 1.5 pounds of Timbor to one gallon of water. This solution can be applied only once to the wood surface.

Is Timbor labeled to treat wood decay fungus?

Timbor is labeled for the control and prevention of wood decay fungi including white rot, brown rot, poria and wet rots.

Is Timbor labeled for the control of carpenter ants?

Timbor is labeled for the control and prevention of carpenter ants by applying Timbor dust into active ant galleries and into areas where ants may enter the structure.

What wood destroying organisms is Timbor labeled to control?

Timbor is labeled for the control and prevention of drywood termites, wood destroying beetles, wood decay fungi, carpenter ants and termites.

Can Timbor be foamed?

Timbor can be foamed using equipment designed for foaming applications. Foaming requires a 15% solution in conjunction with a foaming agent. A dry foam is recommended for best results.

Does Timbor affect ornamental plants?

Yes, over spray on plants or spills near the plant roots can kill or retard plant growth.

Review Search   
Sort Reviews
  • 5 of 5 Stars

    Timbor DIY vs Commercial

    By Jeff on 05/28/2011

    A national chain quoted me $2,900 to spray the trusses of my new home under construction. I paid about $65 for the Timbor and spent about 4 hours spraying. Absolutely worth it!

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    79 of 83 people found this review helpful

  • 5 of 5 Stars

    Timbor

    By Russ on 03/14/2011

    Easy to use, included measuring cup, just added to water in a separate 5 gallon pail and agitated with a drill and paint mixer, pour into pump up sprayer and saturated walls of older garage. I sprayed twice waiting about 30 minutes between application, for good penetration, had it been spring or summer I might have made several wet on wet applications as the wood was old and dry. I purchased the 25 pound pail and have several more structures to treat. My (former thanks to DMOPC) pest control person said that Timbor was a great low cost addition to a complete termite treatment. I also note that Timbor is especially good at repelling carpenter ants, and fungus which I believe is the cause of dry rot. Thanks DMOPC

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    66 of 67 people found this review helpful

  • 5 of 5 Stars

    Good Stuf

    By Tim on 10/18/2010

    The price at DoMyOwnPestControl was better than I could find elsewhere and their support was great. This stuff (borate minerals) has been around a million years and is known to make wood toxic most insects including drywood termites, carpenter ants, ants and wood destroying fungi. It works by dehydrating them. It doesn't kill subterrainian termites, but those are easier to find by inspection (mud tubes). It is as advertised and, applied properly will work. I had drywood termites and ants crawling all over the structure before treating the outside with this stuff and now they are all dead, gone and discouraged. I've covered up the outside wood (siding, shingles, etc.) and so long as the cover remains intact, this stuff will continue to do its job.

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    51 of 57 people found this review helpful

  • 4 of 5 Stars

    Small quantities not available

    By Laura on 04/23/2010

    Verified Purchase

    Product was easily mixed. Would have preferred directions for mixing smaller quantities on package. Might use BoraCare next time for effectiveness but small quantities of that were not available and it was costly.

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    41 of 50 people found this review helpful

  • 5 of 5 Stars

    Timbor

    By Cathy on 06/15/2010

    Verified Purchase

    The Timbor powder was easy to mix and use & DoMyOwnPestControl made it simple to order.

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    30 of 32 people found this review helpful

See all 113 customer reviews

Questions & Answers

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Sort Questions
Q
Can you torch the wood after you spray Timbor on it?
A

We do not recommend applying Timbor to wood that will be torched. Burning wood treated with any insecticide would release the active ingredients into the air. Burning the wood without treating it with any chemical will kill anything in it.

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Q
I have applied this product twice so far. I still see powder from powder post beetles. I have read mixed reviews
A

When treating raw wood for active beetles, it is not recommended to use Timbor Professional. Instead, you should use Boracare which penetrates deeper into the wood and can be used for active problems vs just preventative like the Timbor is designed to do. That being said, even if Boracare was used, you would still see signs of powder post beetles after treatment. This is normal and expected since the eggs/larvae can lay dormant in the wood for years. The signs you are seeing of dust and holes are the ones that have progressed into an adult beetle and are eating their way out of the wood. As they eat their way out, they are ingesting the borate-treated wood and will die from it, which keeps new infestations or reinfestations from occurring. Seeing signs after treatment does not mean the treatment failed, it simply means those insects are still emerging to be impacted by the chemical. Boracare and Timbor kill through ingestion of the chemical, not through simply contacting a treated surface. 

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Q
Will be applying stain to new resawn exposed patio lumber, do I apply Timbor before or after staining the wood?
A

Tim-bor Professional should be applied prior to staining the wood. If you stain the wood first, the Tim-bor will not be able to penetrate past the stain & on to the wood. Once the product has dried, you may stain the wood 

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Q
Can Timbor be applied to freshly cut green pine lumber??
A

Tim-bor Professional can be used on all types of lumber, logs and plywood. Ideally, it's recommended to cut, shape, and sand the wood before making an application of Tim-bor. 

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Q
Can you apply ferrous sulfate over borate-treated logs?

I have logs that will be treated with Borate, can I apply ferrous sulfate for staining over the borate?

A

There should not be an issue with the application to the logs after treatment of Tim-bor Professional when used as directed.
 
 

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Q
How often do I need to treat fresh-cut stacked pine lumber?
A

The manufacturer states that Timbor will last for the life of the wood as long as the wood is not exposed to rain or flooding.  It will stay in the wood forever because of how it bonds to the cells of the wood.

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Q
Can Tim-bor Professional be applied to new mulch

Can the new mulch be treated with Timbor ?

A
Tim-bor Professional should not be applied to mulch. It is for raw wood applications as directed on the product label.

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Q
Why does a 1.5lb bag cover 200 sqft but a 50lb bucket of Tim-bor Professional only covers 1000 sqft?
A
Tim-bor Professional is applied at 1.5 lb bag per gallon of water for 15% solution on 200 square feet of untreated wood as directed on the label. There are other percentages of dilution and the product is applied as a dust, foam or liquid as directed.

 

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Q
Can I use Tim-bor for attic?
A
Yes, Timbor can be applied as directed in an attic.

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Q
Timbor & Spray foam insulation

Will timbor still be effective after spray foam insulation is sprayed over treated wood areas?

A
As long as Tim-bor Professional is sprayed directly on the wood & dries, the insulation should not disturb it 

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Q
Rough cut lumber - which do I use?
A

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 are your other 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. You can also reference our article on How To Treat For Dry/Wood Rot.

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Q
How many gallons of water do you mix in a 1-pound bag of Timbor
A

Tim-bor Professional should be mixed at a rate of at least 1.5 pounds to one gallon of water to achieve a 15% solution.

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Q
I wish to treat an antique armoire

This is a very old piece and I would like to treat it to prevent or kill anything on it Would you recommend this product and how much of it do I need?

A

Tim-bor Professional would not be recommended to treat any active infesations of wood boring insects as it only penetrates up to 1/4 inch.  It will also leave a white residual behind.  In most cases if a wood destroying insect is found within the frame of a piece of furniture your options are as follows:
 
Option 1- Strip down any stain or finish on the wood down to its raw natural state and apply a product like Boracare to the raw wood surface and then you can refinish as desired once dry;
 
Option 2- If stripping the finish off isn't an option then you would need to drill holes in the needed places of the furniture and insert a product like Jecta. Both the Boracare and Jecta absorb into the wood so that as the insects inside it eat the treated wood they consume it and die from it. Both products also last for the life of the wood to protect it;
 
Option 3- If neither of those are an option for you then you would need to hire a company that has a heat treatment or fumigation treatment chamber to put the furniture within to kill all the insects within it without doing any damage to the item.

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Q
I have a recently stained log cabin and I'm seeing some bore bee holes which product do you recommend and at what rate?
A

Once carpenter bees have made their holes, it is best to dust them with Delta Dust Insecticide & then seal up the holes 2 weeks later. You can also apply a product such as Demand Duo Insecticide before they make their holes to try & prevent them. All products needed for proper carpenter been prevention & control can be found in our Carpenter Bee Control Kit

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Q
How often should I re-apply this product?
A

If Timbor Professional is being applied to raw wood within a structure such as studs, beams, or floors, it would be protected from the elements and would not need to reapplied after the initial treatment to the wood surface. 

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See all 147 customer questions

Tim-bor Professional 4.5 out of 5 stars Rating: 4.7 (113 Reviews / 147 Q&A)

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