FDC Permethrin Insecticide Spray 1 Gallon — Fast Knockdown & Up to 4-Week Residual Control

Extinct Insecticide is a ready-to-use, 1-gallon permethrin spray that delivers fast knockdown and weeks-long residual control for many crawling and flying pests.

This professional-strength formula from FDC contains 0.50% permethrin and is formulated for use around homes, commercial spaces, kennels, livestock, and pets (follow label directions). It combines contact action for immediate reduction of visible insects with residual activity that can suppress populations for up to four weeks after application when used as directed. The versatile product covers indoor and outdoor needs, from carpeted rooms and mattresses to barns, warehouses, and pet areas.

How quickly will this product reduce visible insects?

Extinct delivers rapid knockdown on many insects through direct contact. You’ll often see affected pests incapacitated shortly after spraying, reducing nuisance insects quickly while the residual protection continues to work.

• Fast-acting contact control for immediate reduction
• Suitable for flying and crawling pests, including mosquitoes and cockroaches
• Visible effect shortly after treatment in treated areas

What pests does it control and where can I use it?

This permethrin product has broad-spectrum activity against a long list of pests, from bedbugs and fleas to ants, ticks, and moths. It’s labeled for many settings—residential rooms, commercial buildings, animal housing, and outdoor perimeters—making it a flexible option for mixed-use properties.

• Controls bedbugs, fleas (adults and larvae), ticks, ants, roaches, flies, mosquitoes and more
• Approved for use in homes, hotels, offices, warehouses, kennels, and processing plants
• Can be applied to pets, livestock, bedding, carpeting, and outdoor perimeters when following label directions

Is it safe to use on pets and livestock?

When applied exactly as the label instructs, this permethrin spray is registered for use on dogs, cattle and chickens to manage lice, flies and ticks. Always follow application rates, observe withholding periods, and avoid use on animals species listed as sensitive to permethrin (for example, cats).

• Label-approved for certain dogs, cattle and poultry—follow dose and method
• Not recommended for species known to be sensitive; avoid misuse
• Wear protective gear and keep people and pets out of treated areas until dry

How long does one application last and how should I reapply?

One properly applied treatment can provide residual control for up to four weeks depending on conditions like rainfall, traffic, and surface type. Reapply based on pest activity, label guidance, and environmental exposure to maintain control.

• Up to four weeks residual control under typical indoor/outdoor conditions
• Reapply sooner in high-traffic or heavy-rain areas
• Consult the product label for interval and mixing instructions

Who is this for: FDC Extinct Insecticide is designed for homeowners, property managers, pest control professionals, small farmers, and pet owners who need a single, multipurpose permethrin spray that handles both immediate insect knockdown and lasting suppression. It’s a fit when you need a versatile product for indoor rooms, commercial spaces, animal areas, and outdoor perimeters—provided you follow the label for safe, effective use.