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Originally Posted by Captainzing  The smell would be overwhelming  |
The smell is overwhelming, makes you gag, and only complete removal of saturated materials gets rid of the odor. Kilz paint will seal less damage spots. Saturated cement takes extreme chemicals. Wood decking may have to be replaced. Even dirt may have to be dug out and replaced near living areas.
We were so appreciative of the contractors and handymen that helped us. They wore hazmat suits and ventilator masks. You can't imagine crawling into a crawlspace that was allowed to become a litter box or whole rooms infected with pet feces, urine and dander. We paid them but we really owe them a debt of gratitude.
I didn't even mention the fleas and rodents. Fleas have become resistant to the most common sprays so we had to find a company that used newer sprays. Diatomaceous earth is bad stuff and I would not recommend using it. It didn't work and can't be removed. Flea bombs or foggers should never be used. They cause the fleas to flee behind areas that the fogger can settle on making the extermination even harder. It was a month's long process.
Rodents love mishandled pet food. So, when it was left open, dropped behind and under decks, etc. rodents take up residence. You can't use DeCon because the rodents will die in crawlspaces, inside insulation where they like to nest, and other unseen places and create a death smell that permeates everything. Once the infestation happens, your best bet is to find a specialist who will set pet and child safe traps on a continuing basis until there is no more evidence of critters and can help you seal on the entry points.
Fly problems will lessen after you clean up the mess but even those will stick around until there is better 'bait' somewhere else. A lot of fly traps had to be deployed to prevent hatching.