{"id":32774,"date":"2026-05-19T17:28:57","date_gmt":"2026-05-19T21:28:57","guid":{"rendered":"https:\/\/www.novaextermination.com\/prevention\/decontamination-of-pigeons\/"},"modified":"2026-07-20T12:32:28","modified_gmt":"2026-07-20T16:32:28","slug":"decontamination-of-pigeons","status":"publish","type":"prevention","link":"https:\/\/www.novaextermination.com\/en\/prevention\/decontamination-of-pigeons\/","title":{"rendered":"Decontamination of pigeons"},"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 pigeons\", \"description\": \"Service d'extermination : D\u00e9contamination pigeons. 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> flat roofs, balconies, ventilation ducts, engineering structures, commercial facades.<\/p>\n<h2>What pathogens are present and why it matters<\/h2>\n<p>Psittacosis (avian chlamydia), cryptococcosis (dry droppings fungus), histoplasmosis, parasites (lice, mites), acid degradation of materials by droppings.<\/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>P100 respiratory protection equipment, prior wetting of droppings (reduces the risk of aerosols), manual removal and vacuuming, biocidal disinfection, acid neutralisation of surfaces (droppings corrode), installation of anti-pigeon devices (spikes, nets, repellent gel).<\/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> 1 to 2 days 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\/pigeon\/\">Pigeon extermination<\/a><\/li>\n<li><a href=\"https:\/\/www.novaextermination.com\/en\/decontamination\/\">decontamination<\/a><\/li>\n<li><a href=\"https:\/\/www.novaextermination.com\/en\/exterior-treatment\/\">Insect Treatment<\/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 pigeon 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: Pigeon Decontamination<\/h2><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">What is pigeon decontamination?<\/summary><div class=\"nova-faq__a\"><p>This service aims to remove the accumulation of pigeon droppings, nests and debris deposited on roofs, balconies, cornices and attics. Our technicians sanitize surfaces with approved products and can install anti-perching devices in Longueuil as well as in Brossard. It is used as soon as droppings accumulate and threaten the health of the premises.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Why is pigeon droppings a particular risk?<\/summary><div class=\"nova-faq__a\"><p>Pigeon droppings can transmit diseases such as histoplasmosis and cryptococcosis, as well as attract parasites such as mites and bird bugs. When dried, they release dangerous spores when swept away without protection. Our technicians therefore intervene with the required equipment according to CNESST standards.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Do you also remove nests and install pigeon control devices?<\/summary><div class=\"nova-faq__a\"><p>Yes, we remove nests and accumulated droppings, and then disinfect the affected surfaces. To prevent pigeons from returning, we can install picks, nets or other exclusion devices adapted to the building. This combined approach is more sustainable than a simple cleaning.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Does the droppings damage the structure of the building?<\/summary><div class=\"nova-faq__a\"><p>The acidity of pigeon droppings corrodes roofs, masonry and metal surfaces over time. They also clog drains and gutters, which can cause water infiltration. Rapid decontamination in Boucherville or Chambly limits this damage.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Do you offer a guarantee against the return of pigeons?<\/summary><div class=\"nova-faq__a\"><p>We aim for sustainable results evaluated on a case-by-case basis, without an absolute guarantee that there will be no pigeons at all. Effectiveness depends on the exclusion devices installed and the maintenance of the building, which remains the responsibility of the owner. Our technicians will advise you on the appropriate preventive measures.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">What is the cost of pigeon droppings decontamination?<\/summary><div class=\"nova-faq__a\"><p>The price is established on the basis of an evaluation, depending on the surface area touched, the height of access and the volume of droppings and nests to be removed. An inspection on the South Shore or in Mont\u00e9r\u00e9gie allows for a fair estimate. It is a paid service entrusted to 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 pigeons?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Ce service vise \u00e0 retirer les accumulations de fientes de pigeons, les nids et les d\u00e9bris d\u00e9pos\u00e9s sur les toitures, balcons, corniches et entretoits. Nos techniciens assainissent les surfaces avec des produits homologu\u00e9s et peuvent installer des dispositifs anti-perchage \u00e0 Longueuil comme \u00e0 Brossard. On y recourt d\u00e8s que les fientes s'accumulent et menacent la salubrit\u00e9 des lieux.\", {\"@type\": \"Question\", \"name\": \"Pourquoi les fientes de pigeons sont-elles un risque particulier?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Les fientes de pigeons peuvent transmettre des maladies comme l'histoplasmose et la cryptococcose, en plus d'attirer des parasites comme les acariens et les punaises des oiseaux. S\u00e9ch\u00e9es, elles lib\u00e8rent des spores dangereuses lorsqu'on les balaie sans protection. Nos techniciens interviennent donc avec l'\u00e9quipement requis selon les normes de la CNESST.\", {\"@type\": \"Question\", \"name\": \"Retirez-vous aussi les nids et installez-vous des dispositifs anti-pigeons?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Oui, nous retirons les nids et les fientes accumul\u00e9es, puis nous d\u00e9sinfectons les surfaces touch\u00e9es. Pour emp\u00eacher le retour des pigeons, nous pouvons poser des pics, filets ou autres dispositifs d'exclusion adapt\u00e9s au b\u00e2timent. Cette approche combin\u00e9e est plus durable qu'un simple nettoyage.\", {\"@type\": \"Question\", \"name\": \"Les fientes endommagent-elles la structure du b\u00e2timent?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"L'acidit\u00e9 des fientes de pigeons corrode les toitures, la ma\u00e7onnerie et les surfaces m\u00e9talliques avec le temps. Elles obstruent aussi les drains et goutti\u00e8res, ce qui peut causer des infiltrations d'eau. Une d\u00e9contamination rapide \u00e0 Boucherville ou Chambly limite ces dommages.\", {\"@type\": \"Question\", \"name\": \"Offrez-vous une garantie contre le retour des pigeons?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Nous visons des r\u00e9sultats durables \u00e9valu\u00e9s au cas par cas, sans garantir de fa\u00e7on absolue l'absence totale de pigeons. L'efficacit\u00e9 d\u00e9pend des dispositifs d'exclusion pos\u00e9s et de l'entretien du b\u00e2timent, qui demeure la responsabilit\u00e9 du propri\u00e9taire. Nos techniciens vous conseillent les mesures pr\u00e9ventives adapt\u00e9es.\", {\"@type\": \"Question\", \"name\": \"Quel est le co\u00fbt d'une d\u00e9contamination de fientes de pigeons?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Le prix est \u00e9tabli sur \u00e9valuation, selon la surface touch\u00e9e, la hauteur d'acc\u00e8s et le volume de fientes et de nids \u00e0 retirer. Une inspection sur la Rive-Sud ou en Mont\u00e9r\u00e9gie permet une estimation juste. C'est un service payant confi\u00e9 \u00e0 des techniciens certifi\u00e9s.\"]}<\/script><!--NOVA_FAQ_END-->\n","protected":false},"excerpt":{"rendered":"<p>Decontamination of pigeon droppings on flat roofs, balconies and commercial facades. 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