When a wild animal or rodents have occupied an attic, crawl space or room, the contaminated surfaces and insulation harbor pathogens that remain virulent for several months. Cleaning with soap and water is insufficient and can even spread contaminants by aerosol. Professional decontamination eliminates the biological cause before it becomes a health problem.
Nova Extermination carries out certified decontamination on the South Shore, with professional equipment and biocides approved by Health Canada. License RBQ 5734 75930 01.
Areas concerned: interior or exterior, any type of contaminated surface (floor, wall, insulation, ducts).
What pathogens are present and why it matters
Varies by species (see specific pages by animal), increased risk in the presence of children, the elderly or immunocompromised.
These pathogens remain dangerous long after the animals have left: hantaviruses survive for several days in aerosols, leptospires for weeks in a humid environment, roundworm eggs for months. Particularly at risk: young children, the elderly, immunocompromised, pregnant women. Professional decontamination eliminates these vectors and certifies a return to a healthy environment.
Our decontamination protocol
species identification (protocols differ), adapted protective equipment, dry dung humidification, manual removal and HEPA vacuuming, biocidal disinfection, odour neutralisation if necessary.
Equipment used
- H13 class HEPA industrial vacuum cleaner (99.95 percent particle retention at 0.3 μm)
- Broad-spectrum biocides registered by Health Canada (Virkon, stabilized peroxide, rotating quaternary ammoniums)
- Full personal protective equipment (Tyvek suit, P100 half mask, nitrile gloves)
- Enzymatic odor neutralization (eliminates cause, not mask)
- Document camera for before/after photos (belayer)
Duration: depending on the surface, from 1 hour to 1 day.
Underwriting and Inspection
Here are the service variants we offer for this need:
- Spot decontamination (basement, shed, crawl space)
- Attic up to 600 sq. ft. with insulation setback
- Complete house after massive infestation
- Commercial decontamination (restaurant, warehouse)
What influences the quote
- Surface or volume to be treated
- Extent of the infestation or situation
- Accessibility of the areas concerned
- Response time requested (planned or emergency)
- Scope of the desired warranty
- Documentation required for insurer, notary or audit
The inspection is non-binding. We evaluate on site (or by phone as the case may be) and give you a written estimate adapted to your building before any work begins. No unpleasant surprises at the end.
Recommended next steps
Decontamination corrects the consequences of an infestation. To prevent it from happening again, several related services should be considered:
Home insurance coverage
Many home insurance policies cover decontamination when a loss is proven (animal infestation, biological damage). We make it easy to make the claim by providing:
- Detailed evaluation report with before/after photos
- Precise identification of target species and pathogens
- Detailed invoice with batches of biocides used
- Signed decontamination certificate
Practical advice: call your insurer BEFORE starting the work. Check your deductible and get a claim number. This speeds up the repayment.
Questions
Should the house be evacuated during decontamination?
For an intervention in an attic or crawl space, generally not. For decontamination in the living room, eviction of 4 to 8 hours after application of the biocide is recommended.
Will the smell really disappear?
Yes 95 percent of the time, as long as all contaminated insulation is removed. Enzyme treatment neutralizes the biological cause. If the odor persists after 7 days, we schedule a follow-up according to your warranty.
Do I have to replace all the insulation every time?
Not systematically. It depends on the volume and depth of the contamination. Our report clearly indicates whether replacement is required.
How long does it take between the call and the intervention?
5 business days on average. For urgent cases (unbearable smell, presence of children or animals at risk), 48 to 72 hours.
How long does the effect of disinfection last?
Indefinitely, as long as no new infestation contaminates the area. For this reason, we consistently recommend that entry points be closed after decontamination.
Contact Nova Extermination
Inspection within 24 hours, quick intervention. Intervention the next day. Coverage assessed on a case-by-case basis, depending on the condition of the building. Call 514 666 6682 or fill out the contact form for cleaning animal excrement.
Nova Extermination, RBQ license 5734 75930 01. Service 7 days a week, including public holidays. Health Canada Licensed Products.
Frequently Asked Questions: Animal Excrement Cleaning
What is cleaning up animal excrement?
This service removes droppings, urine and debris left behind by rodents, birds or other animals in attics, attics, garages or crawl spaces. Our technicians remove contaminated materials, sanitize surfaces and dispose of waste safely, anywhere in Montérégie. This is a key step in protecting the health of occupants after an animal presence.
Why is animal excrement dangerous to health?
Droppings and droppings can contain pathogens, fungi and parasites that spread through the air when stirred up. Without proper equipment, a simple cleaning can spread harmful spores or bacteria. That’s why our technicians intervene with the required protection in Longueuil and on the South Shore.
How is the removal of contaminated materials performed?
We manually vacuum or remove droppings and soiled insulation, then disinfect surfaces with approved products. The waste is bagged and disposed of according to the rules in force to avoid cross-contamination. The intervention complies with CNESST safety standards.
Should I replace insulation soiled with feces?
When attic insulation is soaked with urine or covered in droppings, it loses its effectiveness and retains odours and contaminants. In these cases, removal and replacement of the insulation is often recommended after cleaning. We assess the condition of materials on a case-by-case basis in both Boucherville and Chambly.
Do you offer a warranty on cleaning?
We aim for sustainable sanitation assessed on a case-by-case basis, but we do not guarantee all our treatments absolutely. If new animals re-enter the premises due to lack of exclusion, contamination may reappear; We recommend closing the entry points. We do not take care of the general insalubrity of a poorly maintained building.
What is the cost of cleaning up feces?
The price is established on the basis of an evaluation, depending on the surface area, the volume of materials to be removed and the access to the premises. An inspection in Saint-Bruno or elsewhere on the South Shore allows you to estimate the extent of the work. It is a paid service entrusted to certified technicians.