Tim-Bor Professional Insecticide
Tim-Bor Professional Insecticide Tim-Bor Professional Insecticide

Tim-Bor Professional Insecticide

NISUS

Tim-Bor Professional Insecticide

Tim-Bor Professional Insecticide is a fast and efficient fungicide and insecticide that controls wood-destroying organisms with versatile applications efforts as either a dust, liquid, or foam application. Easy to mix and non-toxic for people and pets. 

As low as $15.59
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TimBor Insecticide Product Page
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Tim-Bor Professional Insecticide (also spelled TimBor), manufactured by Nisus,  is a wettable powder that can be applied to various types of wooden surfaces and acts as a barrier to prevent damage caused by insects and fungus. The product contains the active ingredient, disodium octaborate tetrahydrate (DOT), which is a natural mineral salt that can be applied as a dust, foam, or liquid spray.

This easy to use product is similar to another wood preservative, Bora-Care. But the difference between Tim-Bor and Bora-Care is that Tim-Bor is used to create a surface barrier to wood for effective pest prevention. It does not penetrate wood, like Bora-Care, to treat already infested wood.

Tim-Bor Professional Insecticide provides a residual effect that lasts for numerous years to control termites and mold from damaging porches, fences, and more. This cost-efficient product offers little to no threat due to its low toxicity rate and is almost odorless.

Tools Needed

To apply Tim-Bor Professional Insecticide via liquid spray, a backpack sprayer or handheld pump sprayer is needed. To thoroughly mix Tim-Bor Insecticide, a 5-gallon bucket, drill and paddle drill bit is needed. When applying Tim-Bor Insecticide as a powder, a bulb duster or electric duster is needed.

How to Use

Tim-Bor Application on Fence

  • Step 1: Determine how much Tim-Bor Professional Insecticide you will need for your application by calculating the square footage for the area being treated. To do this, measure (in feet) and multiply the area length times the width (length x width = square footage). The application rate varies depending on the type of treatment method you use. For general liquid spray applications, Tim-Bor can be mixed in a 10% or 15% solution at a rate of 1.0 lb or 1.5 lb. per gallon to cover 1,000 sq. ft of wood surface area. For remedial or preventative treatments, use 5 gallons of liquid solution per 1,000 sq. feet of area. For Foam applications, the 15% 1.5 lb. rate per gallon with an additional foaming agent at a rate of 1 to 2 oz. per gallon to your foam sprayer. Dust applications can be applied at a rate of 0.5 oz. per square foot.
  • Step 2: For liquid applications, add 80% of the required amount of water to the sprayer tank or bucket and then while stirring the water, slowly add the correct amount of Tim-Bor into the bucket (based on your calculations). For general use, we recommend adding 1 pound of Tim-Bor to 1 gallon of water. Add the rest of the water to the bucket and continue to use the drill and paddle bit to stir the solution until it has completely dissolved. Pour the mixed solution into the spray tank and begin applying Tim-Bor to wooden surfaces. For dust applications, add the Tim-Bor powder to a duster and close the top.
  • Step 3: Apply Tim-Bor liquid spray applications on wood structures such as decks, fences, steps, sheds and other infested areas. The application may also be made by drilling and injecting the solution into the infested wood. As a foam, inject the Tim-Bor in wall voids or insect galleries. As a dust application, apply the dust into wall voids such as between studs, block voids, eaves, attics, soffits, etc.

Where to Use

Dusting in void with Tim-Bor

Tim-Bor Professional Insecticide can be applied to indoor and outdoor areas on unfinished and unpainted wooden surfaces only. Tim-Bor is ideal for use on fences, porches, posts, lumber for construction, building structure frames, wooden storage sheds, and other wooden structures that are infested. When dusting, apply in wall voids and other areas where insects have created galleries. 

When to Use

Tim-Bor Professional Insecticide is ideal for use by construction professionals, homeowners, and pest control agents. It is most effective when applied before water or insect damage occurs and beneficial to apply during construction so that the studs in the walls can be treated. It works best on wood with at least 15% moisture.

Safety Information

Tim-Bor Professional Insecticide is safe to use around children and pets when applied according to the product label instructions. Always wear the proper personal protective equipment (PPE) when mixing or applying this product.

Keep children and pets away from treated areas until the spray has dried. 

Special Considerations

The manufacturer states that Tim-bor Profesional Insecticide 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.

Tim-Bor Professional Insecticide will not work on painted or stained wooden surfaces. It must be applied to bare wood. Tim-Bor Insecticide can be applied as a dust or foam and applied to cracks and crevices or wall voids where wood damaging insects hide. Read the label for further information on using Tim-Bor Insecticide as a powder or foam.

AvailabilityIn Stores, Online
Restricted UseNo
Shipping RestrictionsAK, CA, CT, HI, IN, MI, NY, OR, RI, SC, VT, WA
BrandNISUS
Keith's Pro Tips"When using Tim-Bor to treat older pieces of wood, such as a pre-existing privacy fence, carefully clean the wood with a low pressure-pressure washer to remove mold and mildew. After the wood is completely dry, begin applying Tim-Bor."
Product DrawbacksTim-Bor Insecticide is not label approved to treat subterranean termites by trenching. To eliminate subterranean termites with trenching, we suggest using Reclaim I/T.
Target PestsTim-Bor will control and prevent the following wood destroying pests: Anobiidae, Bark Beetles, Bostrichidae, Camponotus, Carpenter Ants, Cerambycidae, Coptotermes, Dampwood Termites, Deathwatch, DrywoodTermites, False PowderpostBeetles, Formosan, Furniture Beetles, Heterotemes, Incisitermes, Kalotermes, Longhorn Beetles, Lyctidae, Old House Borers, Powderpost Beetles, Reticulitermes, Scolytidae, Subterranean Termites, Timber Beetles, and Zootermopis.
Application EquipmentBackpack Sprayer, Duster, Gloves, Pump Sprayer
Application MethodsBroadcast Spray, Crack & Crevice
Active IngredientDisodium Octaborate Tetrahydrate- 98%
Product TypeInsecticide
FormulationWater-Soluble Powder
Application RateFor a 10% concentrated solutions, mix 1 pound of Tim-Bor Insecticide with 1 gallon of water. For more specific application rates please refer to the label.
Shelf LifeTim-Bor Insecticide will last indefinitely when stored in the original container in a cool, dry storage area.
Yield1 pound of Tim-Bor Insecticide will cover 1,000 sq ft. 25 pounds will cover 25,000 sq ft.
Use SitesIndoors, Outdoors
Time to KillTimbor Insecticide is a wood preservative and will kill insects when they consume it within days.
Comparable ProductsBora-Care
Incompatible Home SidingMetal
EPA Registration #64405-8
4.8/5
Based on 5 reviews
  • 80%(4)
  • 20%(1)
  • 0%(0)
  • 0%(0)
  • 0%(0)
100%
9/24/22
Thomas McDonald
Verified Buyer
Great Product
Very easy to mix and use. Have already recommended it to a friend who has a powder post problem. Very pleased overall.
80%
9/2/22
Teresa Capps
Verified Buyer
We should have got the product in the spring before they attacked our wood
100%
12/8/20
Ian M.
Verified Buyer
Saved a Bunch of Money going DIY with Timbor!
I had drywood termites and ants crawling all over the structure before treating the outside with this stuff and now they are all dead and gone. It was easy to mix and apply and I saved a ton by not going with a professional exterminator. Thanks, Solutions!
100%
5/19/20
DAVID HELMREICH
Verified Buyer
Powder post beetles in an oak porch swing
So far so good. I mixed it up and brushed it on and beetles are gone.
100%
1/18/16
Walter
Verified Buyer
Quick and Easy
TimBor Professional Borate Wood Preservative, as applied by this nonprofessional person was surprisingly simple to mix and apply. And the positive results were almost immediate. Powder post beetles had invaded by garage rafters and now they are no more.
More Information
Restricted Use No
Shipping Restrictions AK, CA, CT, HI, IN, MI, NY, OR, RI, SC, VT, WA
Availability In Stores, Online
Signal Word CAUTION
Keith's Pro Tip "When using Tim-Bor to treat older pieces of wood, such as a pre-existing privacy fence, carefully clean the wood with a low pressure-pressure washer to remove mold and mildew. After the wood is completely dry, begin applying Tim-Bor."
Target Pests Multi Bark Beetles, Carpenter Ants, Dampwood Termites, Deathwatch Beetles, Drywood Termites, False Powder Post Beetles, Furniture Beetles, Longhorned Beetles, Old House Borer Beetle, Powder Post Beetle, Subterranean Termites, Termites, Timber Beetles, Wood Borers, Decay_Fungi
Time to Kill Timbor Insecticide is a wood preservative and will kill insects when they consume it within days.
Chemical Type Insecticide
Formulation Water-Soluble Powder
Application Methods Broadcast Spray, Crack & Crevice
Product Drawbacks Tim-Bor Insecticide is not label approved to treat subterranean termites by trenching. To eliminate subterranean termites with trenching, we suggest using Reclaim I/T.
Active Ingredient Disodium Octaborate Tetrahydrate- 98%
Application Equipment Backpack Sprayer, Duster, Gloves, Pump Sprayer
Mix Rate For a 10% concentrated solutions, mix 1 pound of Tim-Bor Insecticide with 1 gallon of water. For more specific application rates please refer to the label.
Low Use Rate 0.5 oz. per per square foot.
High Use Rate 640 oz./1,000 sq. ft.
Use Sites Indoors, Outdoors
Yield 1 pound of Tim-Bor Insecticide will cover 1,000 sq ft. 25 pounds will cover 25,000 sq ft.
EPA Registration No. 64405-8
Shelf Life Tim-Bor Insecticide will last indefinitely when stored in the original container in a cool, dry storage area.
Comparable Products Bora-Care
Children or pets? No
Property Characteristics None
Questions and Answers
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  1. Q:What happens if it rains the day after I apply the Timbor?
    5/16/23
    A:It washes away. If you're expecting rain cover the treated area with plastic

    Chris Kroschinski

    5/16/23
    Certified Buyer
  2. Q:How do I remove overspray from windows and trim?
    6/23/22
    A:It's not easy. Timbor forms a sort of hard film, but I've been able to get it off with scrubbing and soap and warm water (a lot of scrubbing).

    Tyler Kelley

    6/24/22
    Certified Buyer
  3. Q:Does this spray green? I couldn't tell by the angle of your video but there is another video that shows that it sprays green. The other company also says that it dry powdery white. Is that true or am I getting bad information? This is their video https://youtu.be/OawAzkZZx20
    5/4/21
    A:I bought this product a few years ago and used it to treat bamboos. I did not see any green color in the solution. The product itself is white and wjen mix with water it is soluble and did not have any color. As for the powdery white when it dries,...none on my experience. Hope this helps answer your questions.

    cris briones

    5/5/21
    Certified Buyer
  4. Q:How much Timbor do I mix in a 50 gallon tank to get 15% solution?
    12/8/20
    A:Tim-Bor can be mixed in a 10% or 15% solution at a rate of 1.0 lb or 1.5 lb. per gallon to cover 1,000 sq. ft of wood

    Darrin

    2/7/23
    Certified Buyer
  5. Q:Does Tim-bor Professional treatment have a smell after it is applied?
    12/8/20
  6. Q:After the application of Timbor on the interior of building, does it need to be painted?
    12/8/20
  7. Q:Can Timbor be applied using a spray mister to a crawl space with limited access?
    12/8/20
  8. Q:Can Timbor be used to remediate dry rot? What percent solution should be used?
    12/8/20
  9. Q:What is the approximate drying time for Tim-bor?
    12/8/20
  10. Q:How much Timbor should I spray over the wood to be treated is enough? Can I apply either too much or too little?
    12/8/20
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