Always add the Timbor powder to water; adding water to dry Timbor powder is not recommended. This tends to form clumps of material that dissolve slowly.
Timbor Trouble shooting / hints
The best results and penetration of Tim-bor will be obtained with temperatures above 55 degrees F. Wood does not take up water as readily at lower temperatures.
Occasionally, Timbor solutions may drip or run onto glass surfaces such as windows and doors. After drying, a white residue may appear from the Tim-bor.
This can easily be removed with warm water and a mild soap solution. DO NOT use window cleaners to clean windows with Timbor residues.
Heartwood is more difficult to penetrate with water-based solutions as compared to sapwood. Logs may have knots in them that consist predominantly of heartwood. A white residue may remain in these areas after Timbor application. This can be removed with a damp cloth.
Timbor will not corrode metals normally used in construction. This includes ferrous metals, galvanized metals, screws and nails. Timbor will not affect electrical wiring either, but it is recommended that applications to wood be performed before wiring is in place. Treated wood can be machined, shaped and glued.
Pressure injection of Tim-bor
Timbor solution and foams can be injected into infested wood. Drill into the infested wood and inject until the liquid or foam runs out of openings, damaged areas or kick-holes in the wood. This procedure is not an alternative to spraying, rather should be an addition to spraying when structural timbers are greater than 4 inches thick, and for selected wood destroying organisms .
Timbor solution can also be injected into uninfested wood including wood adjacent to the infested areas. This procedure should also be used for painted or sealed wood. The sprayer or application equipment should be able to maintain 60-75 pounds of pressure. Only liquid solution will penetrate uninfested wood. Refer to the directions below for specifics on drilling and placement of drill holes.
a) Injection holes (typically 7/64 or 1/8 inch in diameter) should be drilled in the area of suspected infestation. The holes should be drilled in a diamond pattern with the long axis along the grain and the holes spaces every 12 to 16 inches. Holes should be spaced approximately 4 to 6 inches across the grain. (See Figure 1). When possible, the wood should be treated one diamond length pattern beyond the immediate area of visible infestation.
b) Drill the holes through the widest dimension available. Drill approximately 3/4 the width of the beam. If the widest surface is not accessible, holes can be drilled in the narrower surface as in Figure 2. Drill holes approximately 8-10 inches apart.
c) Press and hold the injection tip firmly into each hole and inject solution until runoff is observed from other holes, galleries, kick-holes, etc. When injecting solid wood, maintain the injection pressure for 15 to 60 seconds at each hole. Longer times give better penetration.
d) Release the trigger, wait briefly and withdraw the injection tip. Excess solution can be absorbed with paper towels and collected for disposal (ordinary trash).
Trouble shooting / hints:
Injection tips should be brass or other metal and fit snugly into the drilled hole to prevent drippage or sprayback.
Use a short injection tip (approximately 1 inch). This will allow the solution to flow into the drilled wood.
If drilling overhead, be prepared for solution to exit galleries; tarp or cover surfaces below.
Diagram and product label from:U.S. Borax
What is Tim-bor?
Timbor is wood preservative that works as an insecticide and fungicide.
What is the active ingredient in Timbor?
The active ingredient in 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 Tim-bor considered a 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 metablolism of food by insects and fungi causing death.
How is Timbor applied?
Timbor is applied 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 Tim-bor work as a wood preservative?
When Tim-bor 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 Tim-bor to one gallon of water. This solution must be applied twice to a bare wood surface. To create a 15% solutionmix 1.5 pounds of Tim-bor to one gallon of water. This solution can be applied only once to the wood surface.
Is Tim-bor labeled to treat wood decay fungus?
Tim-bor is labeled for the control and prevention of wood decay fungi including white rot, brown rot, poria and wet rots.
Is Tim-bor labeled for the control of carpenter ants?
Tim-bor is labeled for the control and prevention of carpenter ants by applying Tim-bor dust into active ant galleries and into areas where ants may enter the structure.
What wood destroying organisms is Tim-bor labeled to control?
Tim-bor 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 Timbor requires a 15% solution in conjunction with a foaming agent. A dry foam is recommended for best results.
Does tim-bor effect ornamental plants?
Yes, over spray of Timbor on plants or spills near the plant roots can kill or retard plant growth.