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Tri-Die Pressurized Dust

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Whitmire Tri-Die Aerosol combines the repellency of pyrethrin and the long term stability and repellency of silica dust. Tri-Die leaves a dust residual behind after spraying that kills a wide variety of insect pests. Tri-Die is great pest control product for wall void applications and crack and crevice treatments.

Target Pests

Ants Bedbugs Beetles Booklice Boxelder Bugs Cadelles Centipedes Cheese Mites Chocolate Moths Cigarette Beetles Clover Mites Cluster Flies Cockroaches Confused Flour Beetles Crickets Dark Mealworms Dermestids Drugstore Beetles Earwigs Elm Leaf Beetles Firebrats Flat Grain Beetles Fleas Grain Mites Grain Weevils Granary Weevil Ground Beetles Indian Meal Moths Lice Mealworms Millipedes Pillbugs Red Flour Beetles Rice Weevils Sawtoothed Grain Beetles Scorpions Silverfish Sowbugs Spiders Termites Ticks Trogodermas and Yellow Mealworms.

For Use In

Apartments Homes Hospitals* Hotels Food Processing Plants Food Storage Areas Meat Packing Plants Motels Nursing Homes* Restaurants and Other Food Handling Establishments Schools** Supermarkets Transportation Equipment (Buses Boats Ships Trains) and Warehouses and Other Commercial and Industrial Buildings


Prescription Treatment Tri- Die pressurized dust offers a convenient, easy application with no additional equipment necessary. Pressurized, charged particles penetrate deep into cracks, crevices, wall and ceiling voids to provide an ideal uniform dust application, readily adhering to all surfaces. The unique 4-way red application straw can be used for void space application to deliver 360-degree coverage.


Inject dust into wall void areas around windows and door frames, openings around pipes and sinks, behind baseboards and beneath carpet, in cracks and crevices of cabinets and pantries, sewer and floor drains. In food areas: Apply to cracks & crevices and void areas between different elements of construction, between equipment and floors, openings leading to voids and hollow spaces in walls, equipment legs and bases.


Apply dust behind siding, into wall voids, around window and door frames, into cracks of foundations and other places pest may be entering the building. For Carpenter Bees, apply directly into entrance holes.

Active Ingredient

8% silica gel powder and 0.6% synergized Pyrethrin

Tri-Die Pressurized Dust

Product Q & A

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Is Tri-Die good for yellow jacket nests in the ground?
Colonel on Aug 3, 2016
BEST ANSWER: Better to use a Wasp Freeze and then you can apply a Delta Dust to the ground nest and cover up entry.
can you ship tri die to new york?
ned on Aug 26, 2016
BEST ANSWER: No sorry we cannot ship the Tri-Die to New York.

Customer Reviews

4.8 / 5.0
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1 Stars
Great Customer Service
Quick delivery, excellent company to deal with,Thanks
November 24, 2015
effective....good price
this is very effective product...good price....
September 12, 2015
Best dust I've ever used
This is one of the best dust insecticides I've ever used. It's a great product for use against most insects.
July 4, 2014
Tri Die
Love this product! It really works!
April 9, 2013

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