{"id":32767,"date":"2026-05-19T17:28:57","date_gmt":"2026-05-19T21:28:57","guid":{"rendered":"https:\/\/www.novaextermination.com\/prevention\/raccoon-decontamination\/"},"modified":"2026-07-20T12:32:10","modified_gmt":"2026-07-20T16:32:10","slug":"raccoon-decontamination","status":"publish","type":"prevention","link":"https:\/\/www.novaextermination.com\/en\/prevention\/raccoon-decontamination\/","title":{"rendered":"Raccoon decontamination"},"content":{"rendered":"\n<!--NOVA_RATING_START--><div class=\"nova-rating-src\" hidden=\"\"><a href=\"https:\/\/search.google.com\/local\/reviews?placeid=ChIJrwH6caP-yEwR6PfHI875QhI\" target=\"_blank\" rel=\"noopener nofollow\" class=\"nova-rating-link\"><span class=\"rstars\">\u2605\u2605\u2605\u2605\u2605<\/span><span class=\"rtext\">4.9\/5 \u2022 203 Google reviews<\/span><\/a><\/div><style>.nova-rating-hero<span>text-align:center;margin:12px auto 4px;position:relative;z-index:3.nova-rating-hero .nova-rating-link<span>text-decoration:none;display:inline-block.nova-rating-hero .rstars<span>font-size:27px;letter-spacing:4px;line-height:1;filter:drop-shadow(0 1px 3px rgba(0,0,0,.5)).nova-rating-hero .rstars,.nova-hero-live .nova-rating-hero .rstars<span>color:#FBBC05!important.nova-rating-hero .rtext<span>display:block;color:#fff;font-weight:700;font-size:16px;margin-top:5px;text-shadow:0 1px 5px rgba(0,0,0,.6)<\/style><script>(function(){var S=document.querySelectorAll('.nova-rating-src');var node=S[S.length-1];if(!node)return;function init()<span>if(node.__rdone)return;var h1=document.querySelector('h1');if(!h1)return;node.__rdone=1;var b=document.createElement('div');b.className='nova-rating-hero';b.innerHTML=node.innerHTML;var anchor=h1.closest('.elementor-widget')||h1;anchor.parentNode.insertBefore(b,anchor.nextSibling);if(document.readyState!=='loading')init();else document.addEventListener('DOMContentLoaded',init);window.addEventListener('load',init);})();<\/script><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\/\", \"@type\": \"Product\", \"name\": \"D\u00e9contamination raton laveur\", \"description\": \"Service d'extermination : D\u00e9contamination raton laveur. Nova Extermination, exterminateur certifie sur la Rive-Sud de Montreal et en Monteregie.\", \"brand\": <span>\"@type\": \"Brand\", \"name\": \"Nova Extermination\", \"aggregateRating\": <span>\"@type\": \"AggregateRating\", \"ratingValue\": \"4.9\", \"reviewCount\": \"203\", \"bestRating\": \"5\", \"worstRating\": \"1\"<\/script><!--NOVA_RATING_END-->\n<p>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.  <\/p>\n<p>Nova Extermination carries out certified decontamination on the South Shore, with professional equipment and biocides approved by Health Canada. License RBQ 5734 75930 01. <\/p>\n<p><strong>Areas concerned:<\/strong> attic, crawl space, soffits, sometimes shed or shelter under porch.<\/p>\n<h2>What pathogens are present and why it matters<\/h2>\n<p>Roundworm (baylisascaris procyonis) which causes a potentially serious larva migrans in humans, leptospirosis, salmonellosis, rabies rarely.<\/p>\n<p>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.  <\/p>\n<h2>Our decontamination protocol<\/h2>\n<p>full protective equipment, removal of excrement by protected hand and HEPA vacuuming, removal of contaminated insulation, disinfection with registered biocide (Virkon or equivalent), enzymatic neutralization of odors, closure of entry points.<\/p>\n<h3>Equipment used<\/h3>\n<ul>\n<li>H13 class HEPA industrial vacuum cleaner (99.95 percent particle retention at 0.3 \u03bcm)<\/li>\n<li>Broad-spectrum biocides registered by Health Canada (Virkon, stabilized peroxide, rotating quaternary ammoniums)<\/li>\n<li>Full personal protective equipment (Tyvek suit, P100 half mask, nitrile gloves)<\/li>\n<li>Enzymatic odor neutralization (eliminates cause, not mask)<\/li>\n<li>Document camera for before\/after photos (belayer)<\/li>\n<\/ul>\n<p><strong>Duration:<\/strong> half a day depending on the surface.<\/p>\n<h2>Underwriting and Inspection<\/h2>\n<p>Here are the service variants we offer for this need:<\/p>\n<ul>\n<li>Spot decontamination (basement, shed, crawl space)<\/li>\n<li>Attic up to 600 sq. ft. with insulation setback<\/li>\n<li>Complete house after massive infestation<\/li>\n<li>Commercial decontamination (restaurant, warehouse)<\/li>\n<\/ul>\n<h3>What influences the quote<\/h3>\n<ul>\n<li>Surface or volume to be treated<\/li>\n<li>Extent of the infestation or situation<\/li>\n<li>Accessibility of the areas concerned<\/li>\n<li>Response time requested (planned or emergency)<\/li>\n<li>Scope of the desired warranty<\/li>\n<li>Documentation required for insurer, notary or audit<\/li>\n<\/ul>\n<p>The inspection is <strong>non-binding<\/strong>. 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.  <\/p>\n<h2>Recommended next steps<\/h2>\n<p>Decontamination corrects the consequences of an infestation. To prevent it from happening again, several related services should be considered: <\/p>\n<ul>\n<li><a href=\"https:\/\/www.novaextermination.com\/en\/animals\/racoons\/\">Catching raccoons<\/a><\/li>\n<li><a href=\"\/fermeture-points-entree-animaux\/\">Closure of animal entry points<\/a><\/li>\n<li><a href=\"\/isolation-cellulose\/\">Cellulose insulation after infestation<\/a><\/li>\n<li><a href=\"https:\/\/www.novaextermination.com\/en\/decontamination\/\">decontamination<\/a><\/li>\n<li><a href=\"\/decontamination-grenier\/\">Complete attic decontamination<\/a><\/li>\n<\/ul>\n<h2>Home insurance coverage<\/h2>\n<p>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: <\/p>\n<ul>\n<li>Detailed evaluation report with before\/after photos<\/li>\n<li>Precise identification of target species and pathogens<\/li>\n<li>Detailed invoice with batches of biocides used<\/li>\n<li>Signed decontamination certificate<\/li>\n<\/ul>\n<p>Practical advice: call your insurer BEFORE starting the work. Check your deductible and get a claim number. This speeds up the repayment.  <\/p>\n<h2>Questions<\/h2>\n<h3>Should the house be evacuated during decontamination?<\/h3>\n<p>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. <\/p>\n<h3>Will the smell really disappear?<\/h3>\n<p>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.  <\/p>\n<h3>Do I have to replace all the insulation every time?<\/h3>\n<p>Not systematically. It depends on the volume and depth of the contamination. Our report clearly indicates whether replacement is required.  <\/p>\n<h3>How long does it take between the call and the intervention?<\/h3>\n<p>5 business days on average. For urgent cases (unbearable smell, presence of children or animals at risk), 48 to 72 hours. <\/p>\n<h3>How long does the effect of disinfection last?<\/h3>\n<p>Indefinitely, as long as no new infestation contaminates the area. For this reason, we consistently recommend that entry points be closed after decontamination. <\/p>\n<h2>Contact Nova Extermination<\/h2>\n<p>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 <strong>514 666 6682<\/strong> or fill out the contact form for raccoon decontamination.   <\/p>\n<p><small>Nova Extermination, RBQ license 5734 75930 01. Service 7 days a week, including public holidays. Health Canada Licensed Products.  <\/small><\/p>\n\n<!--NOVA_FAQ_START--><style>.nova-faq<span>max-width:900px;margin:44px auto;padding:0 16px;font-family:'Inter',sans-serif.nova-faq__title<span>font-family:'Montserrat',sans-serif;font-size:28px;font-weight:700;color:#BF1E2E;text-align:center;margin:0 0 26px.nova-faq__item<span>border:1px solid #ececec;border-radius:10px;margin-bottom:12px;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.04);overflow:hidden.nova-faq__item[open]<span>box-shadow:0 6px 18px rgba(0,0,0,.09).nova-faq__q<span>font-family:'Montserrat',sans-serif;font-weight:600;font-size:17px;color:#1a1a1a;padding:18px 52px 18px 20px;cursor:pointer;list-style:none;position:relative.nova-faq__q::-webkit-details-marker<span>display:none.nova-faq__q::after<span>content:'+';position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:26px;line-height:1;color:#BF1E2E;font-weight:400;transition:transform .2s.nova-faq__item[open] .nova-faq__q::after<span>content:'\\2212'.nova-faq__a<span>padding:2px 20px 20px;color:#444;font-size:16px;line-height:1.65.nova-faq__a p<span>margin:0\/* remplace la FAQ generique du gabarit sur les pages de service *\/.elementor-element-a5f60a6<span>display:none!important<\/style><section class=\"nova-faq\" aria-label=\"Foire aux questions\"><h2 class=\"nova-faq__title\">Frequently Asked Questions: Raccoon Decontamination<\/h2><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">What is raccoon decontamination?<\/summary><div class=\"nova-faq__a\"><p>This service includes removing excrement, urine and latrine debris left behind by raccoons in attics, chimneys or sheds, and then disinfecting the premises. Because raccoons are large, they often cause significant damage to insulation and structure. Our technicians clean up these areas on the South Shore and in Mont\u00e9r\u00e9gie.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Why is raccoon droppings particularly risky?<\/summary><div class=\"nova-faq__a\"><p>Raccoon feces may contain Baylisascaris procyonis, a roundworm whose eggs are very resistant and dangerous to humans if inhaled or ingested. They form common latrines that concentrate contamination. Our technicians remove these materials with strict protective equipment according to the standards in force.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">What damage does a raccoon cause in a house?<\/summary><div class=\"nova-faq__a\"><p>Powerful and skillful, the raccoon tears through insulation, breaks vents and damages ducts to create its den. A female can set up a litter there, which increases damage and contamination. The decontamination is then accompanied by an evaluation of the repairs to be planned in Boucherville or Longueuil.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Should the animal be captured before decontaminating?<\/summary><div class=\"nova-faq__a\"><p>Yes, we must first make sure that the raccoon and its young have left the premises before any clean-up, for reasons of safety and humanity. We exclude or capture, then decontaminate and seal the accesses. This order avoids trapping an animal in the building.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Do you offer a guarantee against raccoon return?<\/summary><div class=\"nova-faq__a\"><p>We aim for sustainable results that are evaluated on a case-by-case basis, without promising absolute guarantees. A building with outdated or poorly sealed roof openings can attract a raccoon again, which is the responsibility of the owner&#8217;s maintenance. Our technicians recommend the necessary reinforcements.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">How much does it cost to decontaminate after a raccoon?<\/summary><div class=\"nova-faq__a\"><p>The price is established on the basis of an evaluation, depending on the extent of the damage, the volume of materials to be removed and access to the premises. An inspection in Chambly or elsewhere on the South Shore allows for an accurate estimate. It is a paid service carried out by RBQ certified technicians.  <\/p><\/div><\/details><\/section><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"En quoi consiste la d\u00e9contamination li\u00e9e au raton laveur?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Ce service comprend le retrait des excr\u00e9ments, de l'urine et des d\u00e9bris de latrines laiss\u00e9s par les ratons laveurs dans les greniers, chemin\u00e9es ou remises, puis la d\u00e9sinfection des lieux. Les ratons \u00e9tant volumineux, ils causent souvent d'importants d\u00e9g\u00e2ts \u00e0 l'isolant et \u00e0 la structure. Nos techniciens assainissent ces zones sur la Rive-Sud et en Mont\u00e9r\u00e9gie.\", {\"@type\": \"Question\", \"name\": \"Pourquoi les excr\u00e9ments de raton laveur sont-ils particuli\u00e8rement risqu\u00e9s?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Les f\u00e8ces de ratons laveurs peuvent contenir le Baylisascaris procyonis, un ver rond dont les oeufs sont tr\u00e8s r\u00e9sistants et dangereux pour l'humain s'ils sont inhal\u00e9s ou ing\u00e9r\u00e9s. Ils forment des latrines communes qui concentrent la contamination. Nos techniciens retirent ces mati\u00e8res avec un \u00e9quipement de protection strict selon les normes en vigueur.\", {\"@type\": \"Question\", \"name\": \"Quels dommages un raton laveur cause-t-il dans une maison?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Puissant et habile, le raton laveur d\u00e9chire l'isolant, brise les \u00e9vents et endommage les conduits pour am\u00e9nager sa tani\u00e8re. Une femelle peut y installer une port\u00e9e, ce qui accro\u00eet les d\u00e9g\u00e2ts et la contamination. La d\u00e9contamination s'accompagne alors d'une \u00e9valuation des r\u00e9parations \u00e0 pr\u00e9voir \u00e0 Boucherville ou Longueuil.\", {\"@type\": \"Question\", \"name\": \"Faut-il capturer l'animal avant de d\u00e9contaminer?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Oui, on doit d'abord s'assurer que le raton laveur et ses petits ont quitt\u00e9 les lieux avant tout nettoyage, pour des raisons de s\u00e9curit\u00e9 et d'humanit\u00e9. Nous proc\u00e9dons \u00e0 l'exclusion ou \u00e0 la capture, puis \u00e0 la d\u00e9contamination et au scellement des acc\u00e8s. Cet ordre \u00e9vite d'emprisonner un animal dans le b\u00e2timent.\", {\"@type\": \"Question\", \"name\": \"Offrez-vous une garantie contre le retour des ratons laveurs?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Nous visons des r\u00e9sultats durables \u00e9valu\u00e9s au cas par cas, sans promettre de garantie absolue. Un b\u00e2timent dont les acc\u00e8s de toit sont v\u00e9tustes ou mal scell\u00e9s peut de nouveau attirer un raton, ce qui rel\u00e8ve de l'entretien du propri\u00e9taire. Nos techniciens recommandent les renforcements n\u00e9cessaires.\", {\"@type\": \"Question\", \"name\": \"Combien co\u00fbte la d\u00e9contamination apr\u00e8s un raton laveur?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Le prix est \u00e9tabli sur \u00e9valuation, selon l'ampleur des d\u00e9g\u00e2ts, le volume de mati\u00e8res \u00e0 retirer et l'acc\u00e8s aux lieux. Une inspection \u00e0 Chambly ou ailleurs sur la Rive-Sud permet une estimation pr\u00e9cise. C'est un service payant r\u00e9alis\u00e9 par des techniciens certifi\u00e9s RBQ.\"]}<\/script><!--NOVA_FAQ_END-->\n","protected":false},"excerpt":{"rendered":"<p>Professional decontamination after raccoons: attic, crawl space, soffits. Elimination of roundworms, Baylisascaris and other pathogens. <\/p>\n","protected":false},"featured_media":30363,"template":"","meta":{"_acf_changed":false,"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"yasr_overall_rating":0,"yasr_post_is_review":"","yasr_auto_insert_disabled":"","yasr_review_type":""},"class_list":["post-32767","prevention","type-prevention","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Decontamination after raccoons | Nova Extermination<\/title>\n<meta name=\"description\" content=\"Attic decontamination after raccoons. 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