Insecticide Calculator: How many bottles for the m3 of your room?

How to calculate the exact dose of insecticide for your room?

When dealing with a massive infestation of fleas, bed bugs, or cockroaches, volume treatment (often referred to as a full-impact bomb or "One-Shot") is the ultimate weapon. However, one question comes up systematically: will a single bottle be enough for my part? Too often, we rely solely on the floor area (expressed in square meters). This is a mistake that can compromise your entire pest control. An aerosol insecticide treats a volume of air (expressed in m3). If you have a high ceiling, the calculation changes completely. Underdosing won't kill all insects, while unnecessary overdosing puts a strain on your budget.

The principle of the rule of three for your success Most professional products indicate an average processing capacity (e.g. 200 ml per 100 m3). To find out if you're on the right track, you need to multiply the length of your room by its width and then by its height. This final number, volume, is your only real indicator of success.

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The keys to successful processing: saturation and security

Dosage is only part of the equation. For a volume insecticide to work, it must saturate the air evenly. Here are the golden rules to follow regardless of the product chosen:

Meticulous preparation

Insects rarely hide in the middle of the living room. They are behind baseboards, under furniture, or inside cracks in parquet floors.

• Open all: Drawers, cupboards, wardrobes. Gas or misting must seep everywhere.

• Free the center: Place your diffuser in the middle of the room, on a stable support (protected by cardboard or newspaper).

• Cut off drafts: Close windows, interior doors, but also ventilation vents (VMC) for the duration of treatment to prevent the product from escaping to the outside.

Respect contact times

Each insecticide has a specific time of action. In general, it is recommended to leave the room closed for 3 to 4 hours. It is during this period that the micro-particles will settle on all surfaces and reach the larvae. When you get home, don't rush: air out for 1 hour before staying in the room again.