{"id":32544,"date":"2026-05-19T17:28:57","date_gmt":"2026-05-19T21:28:57","guid":{"rendered":"https:\/\/www.novaextermination.com\/prevention\/squirrel-decontamination\/"},"modified":"2026-07-20T12:22:59","modified_gmt":"2026-07-20T16:22:59","slug":"squirrel-decontamination","status":"publish","type":"prevention","link":"https:\/\/www.novaextermination.com\/en\/prevention\/squirrel-decontamination\/","title":{"rendered":"Squirrel 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 \u00e9cureuil\", \"description\": \"Service d'extermination : D\u00e9contamination \u00e9cureuil. 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, soffits, chimney, sometimes wall cavities (especially flying squirrels).<\/p>\n<h2>What pathogens are present and why it matters<\/h2>\n<p>Leptospirosis, salmonellosis, tularemia (rare), electrical damage by gnawing of wires, contamination of insulation.<\/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>removal of nesting material (leaves, twigs, shredded insulation), HEPA suction of feces, biocidal disinfection, checking and replacement of gnawed electrical wires, caulking 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 day typically.<\/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\/squirrel-capturing-services\/\">Capture of squirrels<\/a><\/li>\n<li><a href=\"https:\/\/www.novaextermination.com\/en\/decontamination\/\">decontamination<\/a><\/li>\n<li><a href=\"\/isolation-cellulose\/\">Cellulose insulation after infestation<\/a><\/li>\n<li><a href=\"\/fermeture-points-entree-animaux\/\">Closure of animal entry points<\/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 squirrel 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: Squirrel Decontamination<\/h2><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">What is squirrel decontamination?<\/summary><div class=\"nova-faq__a\"><p>This service includes the removal of squirrel droppings, food supplies and soiled insulation left behind by attics and attics. Our technicians then disinfect the surfaces and spot the damage caused by the gnawing. It is frequently used in the wooded houses of Saint-Bruno or Sainte-Julie where squirrels are introduced.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">What damage do squirrels cause in an attic?<\/summary><div class=\"nova-faq__a\"><p>Squirrels gnaw on wood, electrical wires, and pipes, which can create fire and short circuit hazards. They also accumulate feces and urine that soils the insulation and gives off strong odours. Their presence requires decontamination and inspection of structural damage.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Is squirrel droppings a health hazard?<\/summary><div class=\"nova-faq__a\"><p>Yes, squirrel droppings can contain bacteria and parasites, including salmonella and worms, that can be transmitted to humans. They also attract fleas and mites to the attic. Our technicians remove these materials with the required protection according to the standards in force.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Should access be closed after decontamination?<\/summary><div class=\"nova-faq__a\"><p>Absolutely, because squirrels will gladly return to an already colonized site if it remains accessible. After sanitation, we recommend sealing roof openings, vents and soffit curbs used by the animal. This exclusion is intended to achieve a lasting result on a case-by-case basis on the South Shore.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Do you offer a guarantee against the return of squirrels?<\/summary><div class=\"nova-faq__a\"><p>We aim for sustainable results evaluated on a per-building basis, without promising absolute guarantees. A dilapidated roof, overhanging trees or unsealed openings can encourage a reintroduction that is a matter for the owner&#8217;s maintenance. Our technicians will tell you what corrective measures to take.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">How much does it cost to decontaminate squirrels?<\/summary><div class=\"nova-faq__a\"><p>The price is based on an assessment, based on the extent of the contamination, the volume of insulation to be removed and access to the attic. An inspection in Longueuil or elsewhere in Mont\u00e9r\u00e9gie 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 aux \u00e9cureuils?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Ce service comprend le retrait des excr\u00e9ments, des r\u00e9serves de nourriture et de l'isolant souill\u00e9 laiss\u00e9s par les \u00e9cureuils dans les greniers et entretoits. Nos techniciens d\u00e9sinfectent ensuite les surfaces et rep\u00e8rent les dommages caus\u00e9s par le rongement. On y recourt fr\u00e9quemment dans les maisons bois\u00e9es de Saint-Bruno ou Sainte-Julie o\u00f9 les \u00e9cureuils s'introduisent.\", {\"@type\": \"Question\", \"name\": \"Quels d\u00e9g\u00e2ts les \u00e9cureuils causent-ils dans un grenier?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Les \u00e9cureuils rongent le bois, les fils \u00e9lectriques et la tuyauterie, ce qui peut cr\u00e9er des risques d'incendie et de court-circuit. Ils accumulent aussi des excr\u00e9ments et de l'urine qui souillent l'isolant et d\u00e9gagent de fortes odeurs. Leur pr\u00e9sence exige une d\u00e9contamination puis une inspection des dommages structuraux.\", {\"@type\": \"Question\", \"name\": \"Les excr\u00e9ments d'\u00e9cureuil pr\u00e9sentent-ils un danger sanitaire?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Oui, les d\u00e9jections d'\u00e9cureuils peuvent contenir des bact\u00e9ries et parasites, dont la salmonelle et des vers, transmissibles aux humains. Ils attirent aussi des puces et acariens dans les combles. Nos techniciens retirent ces mati\u00e8res avec les protections requises selon les normes en vigueur.\", {\"@type\": \"Question\", \"name\": \"Faut-il fermer les acc\u00e8s apr\u00e8s la d\u00e9contamination?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Absolument, car les \u00e9cureuils reviennent volontiers \u00e0 un site d\u00e9j\u00e0 colonis\u00e9 s'il reste accessible. Apr\u00e8s l'assainissement, nous recommandons de sceller les ouvertures de toit, \u00e9vents et bordures de soffite emprunt\u00e9es par l'animal. Cette exclusion vise un r\u00e9sultat durable au cas par cas sur la Rive-Sud.\", {\"@type\": \"Question\", \"name\": \"Offrez-vous une garantie contre le retour des \u00e9cureuils?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Nous visons des r\u00e9sultats durables \u00e9valu\u00e9s selon chaque b\u00e2timent, sans promettre de garantie absolue. Un toit v\u00e9tuste, des arbres surplombants ou des ouvertures non scell\u00e9es peuvent favoriser une r\u00e9introduction relevant de l'entretien du propri\u00e9taire. Nos techniciens vous indiquent les correctifs \u00e0 pr\u00e9voir.\", {\"@type\": \"Question\", \"name\": \"Combien co\u00fbte la d\u00e9contamination apr\u00e8s des \u00e9cureuils?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Le prix est \u00e9tabli sur \u00e9valuation, selon l'\u00e9tendue de la contamination, le volume d'isolant \u00e0 retirer et l'acc\u00e8s au grenier. Une inspection \u00e0 Longueuil ou ailleurs en Mont\u00e9r\u00e9gie 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>Decontamination after squirrel infestation: removal of nesting materials, vacuuming of droppings, checking of electrical wires.<\/p>\n","protected":false},"featured_media":30369,"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-32544","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 squirrels | Nova Extermination<\/title>\n<meta name=\"description\" content=\"Attic decontamination after squirrels. 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