100% Borate Powder Wood Preservative

Armor-Guard is concentrated borate powder that is dissolved in water and then applied by brush or spray to bare wood. When other factors prevent the use of Shell-Guard or Shell-Guard RTU, Armor-Guard is the next best preservative to use.


For remedial control of organisms attacking wood, apply 10% aqueous solution of Armor-Guard by brush or spay until surface is thoroughly wet (approximately 5 gallons of solution per 1000 sq.ft.). Application may also be made by drilling and then injecting the solution under pressure into sound wood or until run-off is observed from entry/exit holes of infested wood.

* Alternatively, apply Armor-Guard powder to infested members by drill and injection into galleries or dust generously on wood surfaces and in wall voids at a rate of approximately 0.5 ounces (12-14 grams) per square foot.


Spray or powder/dust applications of Armor-Guard may also be made to wood during construction. Apply solution to all accessible surfaces of bare wood at a rate of approximately 5 gallons per 1000 sq.ft. Application should be performed after framing and roofing are in place and before insulation and dry wall are installed. Avoid spaying electrical components. Protect treated wood from excessive rain. End-cuts of wood may also be treated by spray or brush methods listed above, or by 5 minute dipping in Armor-Guard treatment solution

Armor-Guard Protects Against:

  • Subterranean Termites
  • Drywood Termites
  • Dampwood Termites
  • Powder Post Beetles
  • Carpenter Ants
  • False Powder Post Beetles
  • Furniture and Deathwatch Beetles
  • Old House Borers
  • Longhorn Beetles
  • Ambrosia Beetles
  • Wood Decay Fungi

Features and Statistics

  • Can be used on all wood and wood composites
  • Provides a shell of protection around all treated wood
  • Will prevent and kill termites, carpenter ants, wood boring beetles and wood rot
  • Does not affect the color of wood
  • Does not interfere with the application of high quality wood finishes
  • Is easy to mix and apply
  • Is labeled for home owners to use
  • EPA approved
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