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What kills fleas on your floor?
- By Leigha
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- February 18, 2026
Getting rid of fleas in floorboards requires persistence and a mix of cleaning, heat, and natural deterrents:
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Vacuuming thoroughly, especially between cracks, under furniture, and along baseboards so you can remove eggs and larvae. Dispose of the vacuum bag immediately or empty it outside to prevent reinfestation.
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Steam clean your floors if possible; fleas and their eggs can’t survive high temperatures.
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Sprinkle baking soda or fine salt into floorboard gaps and let it sit overnight before vacuuming again as this dehydrates flea eggs and larvae.
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You can also use diatomaceous earth, a natural powder that kills fleas by drying them out (make sure you wear a mask during application).
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Wash any nearby fabrics (rugs, pet bedding, curtains) in hot water and by this we mean, above 60°C.
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Use essential oils like eucalyptus, lavender, or cedarwood diluted in water as a natural spray to repel fleas from the area.
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Treat your pets and maintain prevention with vet-approved flea treatments; otherwise, they’ll keep reintroducing fleas. Repeat cleaning every few days for at least two weeks to break the life cycle. Consistency and heat are key to permanently eliminating fleas from your floorboards.
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