Black Flag Extreme Home Insect Control Concentrate — 16 oz, Makes 2 Gallons, Indoor & Outdoor

Take back control with Black Flag Extreme Home Insect Control Concentrate

Insects can show up wherever you least expect them. Black Flag offers a versatile concentrate designed for both indoor and outdoor use, delivering fast-acting performance without the need for multiple products. This 16-ounce bottle yields up to 2 gallons of ready-to-use spray, making it easy to treat larger areas or smaller spots with precision. Use in tank sprayers to cover walls, basements, kitchens, porches, garages, and more, with confidence that you’re applying a product built for real-world spaces.

What you get and what it covers

• Effective on up to 47 listed pests, including cockroaches, ants (even carpenter ants), spiders, fleas, mosquitoes, and bed bugs
• Kills German cockroaches for up to 9 months on non-porous surfaces, offering ongoing protection for high-traffic areas
• Designed for both indoor rooms (kitchens, bathrooms, basements, attics) and outdoor zones (around foundations, doors, windows, screens, porches, decks, and garages)

How to use and apply

• Mixing and yield: one 16 oz bottle makes up to 2 gallons of finished spray
• Application guidance: spray around foundation, cracks, crevices, baseboards, and entry points
• Distance and coverage: hold the nozzle about 12 inches from surfaces; spray until slightly moist, not runny
• Area guidance: apply at a rate of one gallon per 1,000 square feet as directed on the label

Where and when to apply

Use this concentrate to create a whole-home treatment plan. Indoors, focus on kitchens, bathrooms, basements, and storage areas. Outdoors, protect the perimeter and entry points—doors, windows, screens—and extend treatment to porches, patios, and garages. The water-based formula is fragrance-free and non-staining, helping you maintain the look of your spaces while you work toward pest control goals.

Why homeowners choose Black Flag Extreme

• Flexible, two-gallon yield from a single 16 oz bottle
• Broad-spectrum capability against a wide range of pests
• Perimeter and interior protection that can be tailored to your space
• Fragrance-free and non-staining for home environments