{"id":32769,"date":"2026-07-02T21:14:12","date_gmt":"2026-07-03T01:14:12","guid":{"rendered":"https:\/\/www.novaextermination.com\/prevention\/attic-insulation-service\/"},"modified":"2026-07-20T12:32:53","modified_gmt":"2026-07-20T16:32:53","slug":"attic-insulation-service","status":"publish","type":"prevention","link":"https:\/\/www.novaextermination.com\/en\/prevention\/attic-insulation-service\/","title":{"rendered":"Attic insulation service"},"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\": \"Service d\u2019isolation de grenier\", \"description\": \"Service d'extermination : Service d\u2019isolation de grenier. 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 class=\"wp-block-paragraph\">The attic is often the first place colonized by rodents and wildlife, and its insulation is the first to be soiled or destroyed. Nova Extermination&#8217;s attic insulation service restores sound and efficient insulation, generally following decontamination, throughout the South Shore of Montreal and Mont\u00e9r\u00e9gie. <\/p><h2 class=\"wp-block-heading\">Why redo your attic insulation<\/h2><p class=\"wp-block-paragraph\">Insulation contaminated with urine and feces loses its insulating value, retains odours and becomes a breeding ground for bacteria. Squirrels, raccoons and mice also move the material, creating cold zones. Re-insulating after the soiled insulation has been removed restores the comfort and energy efficiency of the building.  <\/p><h2 class=\"wp-block-heading\">Isolation and pest prevention<\/h2><p class=\"wp-block-paragraph\">Putting insulation back on without closing the accesses doesn&#8217;t solve anything: the animals come back. That&#8217;s why we combine insulation with exclusion, i.e. the sealing of soffits, vents and entry points, for a lasting result. In Longueuil, Saint-Hubert or Chambly, this combined approach protects your attic for the long term.  <\/p><h2 class=\"wp-block-heading\">Cellulose or urethane?<\/h2><p class=\"wp-block-paragraph\">We install blown cellulose insulation (recycled fibers, good performance, ecological) or spray urethane foam (excellent insulating value and airtightness that seals cracks). The choice depends on the attic configuration and your goals; Our technician will advise you on the most suitable option. <\/p><h2 class=\"wp-block-heading\">Our service<\/h2><p class=\"wp-block-paragraph\">After sanitizing and preparing the attic, we blow or project the insulation according to the standards in force, up to the targeted insulating value. Nova Extermination is a certified company (RBQ, CNESST) that uses approved products. <\/p><h2 class=\"wp-block-heading\">Contact us<\/h2><p class=\"wp-block-paragraph\">For attic insulation on the South Shore or in Mont\u00e9r\u00e9gie, contact Nova Extermination. The price is established on the basis of an evaluation, according to the surface area, the targeted thickness and the access to the premises. <\/p>\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: Attic Insulation<\/h2><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Why redo attic insulation after an infestation?<\/summary><div class=\"nova-faq__a\"><p>Insulation soiled by urine and rodent or animal feces loses its effectiveness and retains odors and contaminants. Removing it and then reinstalling new insulation restores energy efficiency and a healthy environment, especially on the South Shore where attics are often targeted. <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Does attic insulation prevent pets from returning?<\/summary><div class=\"nova-faq__a\"><p>Isolation alone is not enough: without closing the entry points, the animals come back. We therefore combine the installation of insulation with exclusion (soffits, vents, sealed openings) for a lasting result on a case-by-case basis in Longueuil or Boucherville. <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Is it better to choose cellulose or urethane for the attic?<\/summary><div class=\"nova-faq__a\"><p>Blown cellulose offers good performance at a competitive cost and an environmentally friendly choice, while spray urethane provides excellent insulating value and seals cracks. The best choice depends on the configuration of the attic; Our technician will guide you according to your situation. <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Does attic insulation improve my heating bill?<\/summary><div class=\"nova-faq__a\"><p>Yes, a well-insulated attic significantly reduces heat loss through the roof, one of the main areas of loss in a house. Comfort improves in summer and winter, in addition to restoring a healthy attic after an infestation. <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">How much does attic insulation cost?<\/summary><div class=\"nova-faq__a\"><p>The price is based on an evaluation, based on the surface area of the attic, the thickness of insulation targeted, the possible removal of the old insulation and access to the premises. An inspection in Mont\u00e9r\u00e9gie allows for a fair estimate. It is a paid service carried out by RBQ certified technicians.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Do you offer a warranty on insulation?<\/summary><div class=\"nova-faq__a\"><p>We aim for a sustainable and compliant installation, evaluated according to each project, without absolutely guaranteeing all the conditions of the building. A leaky roof, poor ventilation or new animal intrusion can affect the insulation, which is the responsibility of the owner. <\/p><\/div><\/details><\/section><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Pourquoi refaire l'isolation du grenier apr\u00e8s une infestation?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Un isolant souill\u00e9 par l'urine et les excr\u00e9ments de rongeurs ou d'animaux perd son efficacit\u00e9 et retient les odeurs et contaminants. Le retirer puis reposer un isolant neuf r\u00e9tablit le rendement \u00e9nerg\u00e9tique et un environnement sain, notamment sur la Rive-Sud o\u00f9 les greniers sont souvent vis\u00e9s.\", {\"@type\": \"Question\", \"name\": \"L'isolation de grenier emp\u00eache-t-elle le retour des animaux?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"L'isolation seule ne suffit pas : sans fermeture des points d'entr\u00e9e, les animaux reviennent. Nous jumelons donc la pose d'isolant \u00e0 l'exclusion (soffites, \u00e9vents, ouvertures scell\u00e9es) pour un r\u00e9sultat durable au cas par cas \u00e0 Longueuil ou Boucherville.\", {\"@type\": \"Question\", \"name\": \"Vaut-il mieux choisir la cellulose ou l'ur\u00e9thane pour le grenier?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"La cellulose souffl\u00e9e offre un bon rendement \u00e0 co\u00fbt comp\u00e9titif et un choix \u00e9cologique, tandis que l'ur\u00e9thane gicl\u00e9 procure une excellente valeur isolante et scelle les fissures. Le meilleur choix d\u00e9pend de la configuration de l'entretoit ; notre technicien vous oriente selon votre situation.\", {\"@type\": \"Question\", \"name\": \"L'isolation de grenier am\u00e9liore-t-elle ma facture de chauffage?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Oui, un grenier bien isol\u00e9 r\u00e9duit nettement les pertes de chaleur par le toit, l'un des principaux postes de d\u00e9perdition d'une maison. Le confort s'am\u00e9liore \u00e9t\u00e9 comme hiver, en plus de restaurer un entretoit sain apr\u00e8s une infestation.\", {\"@type\": \"Question\", \"name\": \"Combien co\u00fbte une isolation de grenier?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Le prix est \u00e9tabli sur \u00e9valuation, selon la superficie de l'entretoit, l'\u00e9paisseur d'isolant vis\u00e9e, le retrait \u00e9ventuel de l'ancien isolant et l'acc\u00e8s aux lieux. Une inspection en Mont\u00e9r\u00e9gie permet une estimation juste. C'est un service payant r\u00e9alis\u00e9 par des techniciens certifi\u00e9s RBQ.\", {\"@type\": \"Question\", \"name\": \"Offrez-vous une garantie sur l'isolation?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Nous visons une pose durable et conforme, \u00e9valu\u00e9e selon chaque projet, sans garantir de fa\u00e7on absolue toutes les conditions du b\u00e2timent. Une toiture qui fuit, une ventilation d\u00e9ficiente ou une nouvelle intrusion animale peut affecter l'isolant, ce qui rel\u00e8ve de l'entretien du propri\u00e9taire.\"]}<\/script><!--NOVA_FAQ_END-->\n","protected":false},"excerpt":{"rendered":"<p>\u2605\u2605\u2605\u2605\u26054.9\/5 \u2022 203 Google reviews The attic is often the first place colonized by rodents and wildlife, and its insulation is the first to be soiled or destroyed. Nova Extermination&#8217;s attic insulation service restores sound and efficient insulation, generally following decontamination, throughout the South Shore of Montreal and Mont\u00e9r\u00e9gie. Why redo your attic insulation Insulation [&hellip;]<\/p>\n","protected":false},"featured_media":30351,"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-32769","prevention","type-prevention","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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