How to get rid of rat smell in the house? - briefly
Remove the contaminated material, clean all surfaces with an enzymatic cleaner, and ventilate the space thoroughly. Seal any entry points to stop future infestations.
How to get rid of rat smell in the house? - in detail
Eliminating rodent odor from a residence requires a systematic approach that addresses the source, cleans contaminated surfaces, neutralizes lingering scents, and prevents future infestations.
First, locate all areas where carcasses or droppings may be present. Inspect kitchens, basements, attics, crawl spaces, wall voids, and any openings where rodents could have entered. Use a flashlight and a mirror to examine hidden corners. If a dead animal is found, wear disposable gloves, a mask, and protective clothing before removal. Place the carcass in a sealed bag and dispose of it according to local regulations.
Second, remove all organic material that can sustain bacterial growth. Scrape away shredded insulation, nesting material, and soiled insulation. Discard contaminated items in sealed containers. Clean the exposed surfaces with a solution of one part bleach to nine parts water, allowing a minimum of ten minutes of contact time before rinsing. For non‑porous surfaces, an enzymatic cleaner specifically formulated for pet or wildlife waste can break down proteins that contribute to the smell.
Third, treat porous materials that have absorbed odor, such as drywall, carpet, or upholstery. If drywall is heavily saturated, cut out the affected sections and replace them. For carpet, steam‑clean using a commercial-grade extractor with a neutral‑pH detergent, then apply an odor‑neutralizing spray containing activated charcoal or zinc ricinoleate. Upholstered furniture can be sprayed with an enzymatic solution and left to dry thoroughly.
Fourth, improve ventilation and employ odor‑absorbing agents. Open windows and doors to create cross‑drafts for at least several hours. Place bowls of baking soda, white vinegar, or activated charcoal in the most affected rooms to adsorb residual fumes. For severe cases, a professional ozone generator can be run in a sealed environment for a prescribed period, followed by thorough aeration.
Fifth, seal entry points to stop new rodents from entering. Use steel wool, copper mesh, or expanding foam to fill gaps around pipes, vents, and foundation cracks. Install door sweeps and repair damaged screens. Regularly inspect and maintain these barriers.
Finally, consider engaging a licensed pest‑control service if the infestation is extensive or if hidden nests are suspected. Professionals can apply rodent‑specific baits, set traps, and perform deep‑cleaning procedures that exceed typical household capabilities.
By following these steps—identifying the source, removing contaminants, sanitizing, deodorizing, ventilating, and securing the structure—homeowners can effectively eradicate rodent odor and maintain a healthy indoor environment.