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PT® Tri-Die® Pressurized Dust Insecticide

BASF · Piperonyl butoxide 4.8%; Pyrethrins 0.6%; Silicon dioxide 8% · EPA Reg 499-385 · INSECTICIDE; MITICIDE Document last checked 2025-02-26

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According to the label From the product label

These details were extracted from this product's label PDF. The label is the law. Confirm every rate, site, restriction and safety requirement against the label before mixing or applying. Check for a state supplemental label; a product may be restricted or prohibited in a state or site even when a rate appears below. · EPA registration data for Reg. 499-385 →

This product is an insect bait formulation used to control various pests including bed bugs, cockroaches, crickets, dermestids, earwigs, millipedes, scorpions, sowbugs, spiders, termites, fleas, lice, ticks, and stored product pests such as various beetles and moths. It is used indoors to target insects in cracks, crevices, voids, and harborages such as furniture, baseboards, appliances, and pantry areas. The product is applied via spot treatment, crack and crevice treatment, or by injecting into voids and galleries using the supplied actuator and injection tubes.

Pests covered (51)
FLEAS, LICE AND TICKSinsectsBED BUGSSTORED PRODUCT PESTS (Cadelles, Cheese Mites, Chocolate Moths, Cigarette Beetles, Confused Flour Beetles, Dark Mealworms, Drugstore Beetles, Flat Grain Beetles, Grain Mites, Grain Weevils, Granary Weevils, Indianmeal Moth, Mealworms, Red Flour Beetles, Rice Weevils, Sawtoothed Grain Beetles, Trogodermas and Yellow Mealworms)COCKROACHES, CRICKETS, DERMESTIDS, EARWIGS, MILLIPEDES, SCORPIONS, SOWBUGS AND SPIDERSTERMITESBOOKLICE, SILVERFISH, FIREBRATSPILLBUGSSOWBUGSCENTIPEDESMILLIPEDESSCORPIONSSPIDERSTICKSGRAIN MITECHEESE MITEDERMESTID BEETLESELM LEAF BEETLEFLAT GRAIN BEETLESAWTOOTHED GRAIN BEETLEMEALWORMSYELLOW MEALWORMDARK MEALWORMRED FLOUR BEETLECONFUSED FLOUR BEETLECADELLECLUSTER FLYEARWIGSLEAFHOPPERSANTSCARPENTER ANTSTROGODERMA BEETLESBED BUGBOXELDER BUGCHOCOLATE MOTHINDIAN MEAL MOTHBOOKLOUSEFLEASFIREBRATSILVERFISHBEETLESCIGARETTE BEETLEDRUGSTORE BEETLEGROUND BEETLESGRANARY WEEVILRICE WEEVILGRAIN WEEVILSCOCKROACHESCRICKETSCLOVER MITELICE
Areas treatable (32)
pet bedding, floor and floor coverings, and all areas pests may inhabit (cracks and crevices behind moldings, shelving, baseboards, pipe openings and all other cracks)cracks and crevices or void spacesclosed voidscracks, crevices, voids and/or harborages (bed frames, box springs, inside empty dressers, furniture and clothes closets, carpet edges, high and low wall moldings, behind headboards, pictures, wallpaper edges and underneath all flat surfaces where human contact will occur)corners of the room, behind and under furniture or equipmentspot treatmentcracks, crevices/corners and/or voids (pantries, cabinets, food processing and handling equipment, machinery, wall voids and other places where these insects harbor)openings around pipes and sinks, under refrigerators, behind baseboards, washing machines, stoves, cabinets, sewer, floor drains and meter boxesinaccessible voids (wall voids, equipment voids, attics, crawl spaces and manholes)localized infestation (galleries)cracks and crevices in baseboards, door frames, bookcasesHOSPITALS (OUTDOOR INEDIBLE)HOSPITALS (RESIDUAL CRACK AND CREVICE TREATMENT)MEAT PACKAGING PLANTBUSES (NONFEED/NONFOOD) (RESIDUAL GENERAL TREATMENT)BOATS/SHIPS (RESIDUAL GENERAL TREATMENT)RAILROAD BOXCARS (FEED/FOOD-EMPTY) (RESIDUAL GENERAL TREATMENT)FOOD PROCESSING PLANTS (OUTDOOR INEDIBLE)FOOD PROCESSING PLANTS (RESIDUAL CRACK AND CREVICE TREATMENT)DOMESTIC DWELLINGS (INDOOR)BUILDING FOUNDATIONSDOMESTIC DWELLINGS (OUTDOOR)HOTELS/MOTELS/TOURIST COURTS (OUTDOOR)HOTELS/MOTELS/TOURIST COURTS (NON-FOOD AREAS)COMMERCIAL/INSTITUTIONAL/INDUSTRIAL BUILDINGS (OUTDOOR INEDIBLE)FOOD MARKETING/STORAGE/DISTRIBUTION FACILITIES (OUTDOOR INEDIBLE)EATING ESTABLISHMENTS (OUTDOOR INEDIBLE)EATING ESTABLISHMENTS (RESIDUAL CRACK AND CREVICE TREATMENT)MATTRESSESFOOD PACKAGING PLANTSFOOD PROCESSING PLANTSPET BEDDING

How to treat each type of area 11

pet bedding, floor and floor coverings, and all areas pests may inhabit (cracks and crevices behind moldings, shelving, baseboards, pipe openings and all other cracks)

Target pest Location Rate Unit Label notes
FLEAS, LICE AND TICKS Indoor 1 sec/10 ft2 Treat a small inconspicuous area before treating the entire area. Avoid contact with antique finishes.

cracks and crevices or void spaces

Target pest Rate Unit Label notes
insects 1 sec Use the supplied actuator and injection tubes. Place injector tip into cracks, crevices, holes and other small openings. Move injector tip along cracks while treating at the rate of 3 ft/sec.

closed voids

Target pest Rate Unit Label notes
insects 3 to 5 sec/3 ft3 Calculate the void’s cubic area. For closed void areas, drill small access holes.

cracks, crevices, voids and/or harborages (bed frames, box springs, inside empty dressers, furniture and clothes closets, carpet edges, high and low wall moldings, behind headboards, pictures, wallpaper edges and underneath all flat surfaces where human contact will occur)

DO NOT make surface applications to mattresses or bedding. Mattress treatments must be limited to seams, folds and edges only. DO NOT treat pillows, bedding or clothing. Remove linens and wash before reuse. Allow treated mattress to dry thoroughly before remaking bed. Remove all clothes and other articles from dressers or clothes closets before application. Allow all treated areas to dry thoroughly before use. DO NOT use in patient rooms of hospitals and nursing homes for treatment of bed bugs. Reapply every 7 to 10 days, as needed, until infestation is eliminated.

Target pest
BED BUGS
Location
Indoor

corners of the room, behind and under furniture or equipment

Target pest Rate Unit Label notes
insects 10 sec/room Apply from a distance of 18 to 24" from the surface and allow the material to drift to the area to be treated. Residential areas: not to exceed 10 sec/room. Commercial areas: not to exceed 10 sec/100 ft2.

spot treatment

Target pest Rate Unit Label notes
insects 1 sec Apply in short bursts. Limit individual spot treatments to an area no larger than 20% of the surface area. Any individual spot treatment shall not exceed 2 ft2. Before making any application, ensure product will not stain surface or leave an unacceptable residue.

cracks, crevices/corners and/or voids (pantries, cabinets, food processing and handling equipment, machinery, wall voids and other places where these insects harbor)

Apply around cartons, containers and other areas where these insects tend to congregate.

Target pest
STORED PRODUCT PESTS (Cadelles, Cheese Mites, Chocolate Moths, Cigarette Beetles, Confused Flour Beetles, Dark Mealworms, Drugstore Beetles, Flat Grain Beetles, Grain Mites, Grain Weevils, Granary Weevils, Indianmeal Moth, Mealworms, Red Flour Beetles, Rice Weevils, Sawtoothed Grain Beetles, Trogodermas and Yellow Mealworms)
Location
Indoor

openings around pipes and sinks, under refrigerators, behind baseboards, washing machines, stoves, cabinets, sewer, floor drains and meter boxes

Apply as a Crack & Crevice or void treatment.

Target pest
COCKROACHES, CRICKETS, DERMESTIDS, EARWIGS, MILLIPEDES, SCORPIONS, SOWBUGS AND SPIDERS
Location
Indoor

inaccessible voids (wall voids, equipment voids, attics, crawl spaces and manholes)

Target pest Location Rate Unit Label notes
COCKROACHES, CRICKETS, DERMESTIDS, EARWIGS, MILLIPEDES, SCORPIONS, SOWBUGS AND SPIDERS Indoor 1 sec/ft2 Calculate the horizontal surface area of the void.

localized infestation (galleries)

Target pest Location Rate Unit Label notes
TERMITES Indoor 5 to 10 sec/hole Apply as a spot treatment. Probe to locate galleries, drill holes and inject into the active galleries and void areas.

cracks and crevices in baseboards, door frames, bookcases

Target pest
BOOKLICE, SILVERFISH, FIREBRATS
Location
Indoor

Timing & weather

Use restrictions 5

Documents

📋 Verified SDS
Label SDS
Active ingredient Piperonyl butoxide 4.8%; Pyrethrins 0.6%; Silicon dioxide 8%
Catalog source document available. The local copy is still withheld until its exact product identity, role, and full file hash are accepted. Open the catalog source label ↗ and verify the product name, EPA registration number, and revision before relying on it.
Publication withheld. A candidate label document is on file while its exact product identity and document role are reviewed.

Document text and citations

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Reference only. Always read and follow the most current EPA-approved label on the product container. State and local restrictions may apply that are not reflected in this digitised copy. Verify the EPA registration number and revision date before use.