{"id":32780,"date":"2026-07-02T21:14:10","date_gmt":"2026-07-03T01:14:10","guid":{"rendered":"https:\/\/www.novaextermination.com\/prevention\/door-and-window-caulking\/"},"modified":"2026-07-20T12:32:45","modified_gmt":"2026-07-20T16:32:45","slug":"door-and-window-caulking","status":"publish","type":"prevention","link":"https:\/\/www.novaextermination.com\/en\/prevention\/door-and-window-caulking\/","title":{"rendered":"Door and window caulking"},"content":{"rendered":"\n<!--NOVA_HERO_START--><div class=\"nova-hero-src\" data-imgs=\"https:\/\/www.novaextermination.com\/wp-content\/uploads\/2026\/07\/hero-background-calfeutrage-1.jpg|https:\/\/www.novaextermination.com\/wp-content\/uploads\/2026\/07\/hero-background-calfeutrage-2.jpg|https:\/\/www.novaextermination.com\/wp-content\/uploads\/2026\/07\/hero-background-calfeutrage-3.jpg|https:\/\/www.novaextermination.com\/wp-content\/uploads\/2026\/07\/hero-background-calfeutrage-4.jpg|https:\/\/www.novaextermination.com\/wp-content\/uploads\/2026\/07\/hero-background-calfeutrage-5.jpg\" hidden=\"\"><\/div><style>.nova-hero-slides<span>position:absolute;inset:0;z-index:0;overflow:hidden.nova-hero-slide<span>position:absolute;inset:0;background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important;opacity:0;transition:opacity .55s ease-in-out.nova-hero-slide.on<span>opacity:1.nova-hero-slides:after<span>content:'';position:absolute;inset:0;background:rgba(0,0,0,.32);z-index:1;pointer-events:none.nova-hero-live 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hero=findHero();if(!hero)return;node.__done=1;hero.classList.add('nova-hero-live');if(getComputedStyle(hero).position==='static')hero.style.position='relative';var w=document.createElement('div');w.className='nova-hero-slides';imgs.forEach(function(u,i)<span>var s=document.createElement('div');s.className='nova-hero-slide'+(i===0?' on':'');s.style.backgroundImage='url(\"'+u+'\")';w.appendChild(s););hero.insertBefore(w,hero.firstChild);hero.style.backgroundImage='none';[].forEach.call(hero.children,function(c){if(c!==w)<span>if(getComputedStyle(c).position==='static')c.style.position='relative';c.style.zIndex='2';);var n=imgs.length,cur=0,sl=w.children;setInterval(function()<span>sl[cur].classList.remove('on');cur=(cur+1)%n;sl[cur].classList.add('on');,4000);}if(document.readyState!=='loading')init();else document.addEventListener('DOMContentLoaded',init);window.addEventListener('load',init);})();<\/script><!--NOVA_HERO_END-->\n\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\": \"Calfeutrage de portes et fen\u00eatres\", \"description\": \"Service d'extermination : Calfeutrage de portes et fen\u00eatres. 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\">Doors and windows are among the main entry points for rodents and insects into a home or business. A worn seal, an ill-fitting door sill or a cracked window surround is enough to let a mouse or column of ants through. Nova Extermination&#8217;s door and window caulking seals these openings in a lasting way, on the South Shore of Montreal and in Mont\u00e9r\u00e9gie.  <\/p><h2 class=\"wp-block-heading\">Why caulk your doors and windows<\/h2><p class=\"wp-block-paragraph\">A mouse squeezes through an opening the size of a dime, and crawling insects exploit the slightest crack around the frames. In addition to pests, poor caulking also lets in cold air and humidity and increases your heating costs. Sealing these areas therefore protects against infestations and improves the comfort of the building.  <\/p><h2 class=\"wp-block-heading\">How pests infiltrate through doors and windows<\/h2><p class=\"wp-block-paragraph\">The most common weak points are the bottom of doors, thresholds, connections between the frame and the wall, storm windows and wiring passages near openings. Our technician inspects each of these locations to identify actual and potential accesses before intervening, in Longueuil, Boucherville, Brossard and elsewhere on the South Shore. <\/p><h2 class=\"wp-block-heading\">Our caulking service<\/h2><p class=\"wp-block-paragraph\">We seal cracks and joints with suitable sealants and, for larger openings, gnawing resistant materials such as steel wool and wire mesh. We adjust or replace weather stripping and door bottoms as needed. This exclusionary approach is naturally integrated into a comprehensive prevention plan or following an extermination.  <\/p><h2 class=\"wp-block-heading\">Sustainable materials, not temporary solutions<\/h2><p class=\"wp-block-paragraph\">A simple foam plug or tape does not resist rodents for long. We favor durable materials and careful installation for reliable waterproofing over time. Nova Extermination is a certified company (RBQ, CNESST).  <\/p><h2 class=\"wp-block-heading\">Contact us<\/h2><p class=\"wp-block-paragraph\">For door and window caulking on the South Shore or in Mont\u00e9r\u00e9gie, contact Nova Extermination. The price is based on evaluation, depending on the number of openings and the materials required. <\/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: Window and Door Caulking<\/h2><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Does caulking doors and windows really keep mice out?<\/summary><div class=\"nova-faq__a\"><p>Yes, by sealing doorways, sills and window surrounds with gnawing resistant materials, you remove the access that mice and insects use. This is one of the most effective exclusion measures, especially when combined with a complete inspection of the building on the South Shore. <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">What is the difference between caulking and simple weatherstripping?<\/summary><div class=\"nova-faq__a\"><p>Weatherstripping improves airtightness, but is not always enough to block rodents. Our caulking combines sealants, adjusted weatherstripping and resistant materials (steel wool, wire mesh) for both thermal and anti-pest protection in Longueuil or Boucherville. <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">When should you caulk your doors and windows?<\/summary><div class=\"nova-faq__a\"><p>Autumn is ideal, before rodents seek warmth indoors, but the intervention is relevant in any season. It is also recommended after an extermination, to avoid re-intrusion through the same openings. <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Does caulking improve energy efficiency?<\/summary><div class=\"nova-faq__a\"><p>Yes, by blocking cold air infiltration around doors and windows, good caulking reduces heat loss and improves comfort. This is a benefit that is in addition to protection against pests. <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">How much does a window and door caulking service cost?<\/summary><div class=\"nova-faq__a\"><p>The price is established on the basis of an evaluation, depending on the number of openings to be treated, their condition and the materials required. An inspection on the South Shore allows you to put an accurate price on the work. It is a paid service carried out by certified technicians.  <\/p><\/div><\/details><details class=\"nova-faq__item\"><summary class=\"nova-faq__q\">Do you offer a guarantee against any new intrusions?<\/summary><div class=\"nova-faq__a\"><p>We aim for sustainable results evaluated on a case-by-case basis, without promising an absolute guarantee, because a building evolves and new cracks can appear. Our technicians will show you the areas to be monitored after the intervention. <\/p><\/div><\/details><\/section><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Le calfeutrage des portes et fen\u00eatres emp\u00eache-t-il vraiment les souris d'entrer?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Oui, en scellant les bas de portes, seuils et pourtours de fen\u00eatres avec des mat\u00e9riaux r\u00e9sistants au rongement, on retire les acc\u00e8s qu'empruntent les souris et les insectes. C'est l'une des mesures d'exclusion les plus efficaces, surtout combin\u00e9e \u00e0 une inspection compl\u00e8te du b\u00e2timent sur la Rive-Sud.\", {\"@type\": \"Question\", \"name\": \"Quelle est la diff\u00e9rence entre le calfeutrage et un simple coupe-froid?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Le coupe-froid am\u00e9liore l'\u00e9tanch\u00e9it\u00e9 \u00e0 l'air, mais ne suffit pas toujours \u00e0 bloquer les rongeurs. Notre calfeutrage combine scellants, coupe-froid ajust\u00e9s et mat\u00e9riaux r\u00e9sistants (laine d'acier, grillage) pour une protection \u00e0 la fois thermique et anti-nuisibles \u00e0 Longueuil ou Boucherville.\", {\"@type\": \"Question\", \"name\": \"Quand faut-il calfeutrer ses portes et fen\u00eatres?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"L'automne est id\u00e9al, avant que les rongeurs ne cherchent la chaleur \u00e0 l'int\u00e9rieur, mais l'intervention est pertinente en toute saison. On la recommande aussi apr\u00e8s une extermination, pour \u00e9viter une r\u00e9intrusion par les m\u00eames ouvertures.\", {\"@type\": \"Question\", \"name\": \"Le calfeutrage am\u00e9liore-t-il l'efficacit\u00e9 \u00e9nerg\u00e9tique?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Oui, en bloquant les infiltrations d'air froid autour des portes et fen\u00eatres, un bon calfeutrage r\u00e9duit les pertes de chaleur et am\u00e9liore le confort. C'est un b\u00e9n\u00e9fice qui s'ajoute \u00e0 la protection contre les nuisibles.\", {\"@type\": \"Question\", \"name\": \"Combien co\u00fbte un service de calfeutrage de portes et fen\u00eatres?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Le prix est \u00e9tabli sur \u00e9valuation, selon le nombre d'ouvertures \u00e0 traiter, leur \u00e9tat et les mat\u00e9riaux requis. Une inspection sur la Rive-Sud permet de chiffrer les travaux avec pr\u00e9cision. C'est un service payant r\u00e9alis\u00e9 par des techniciens certifi\u00e9s.\", {\"@type\": \"Question\", \"name\": \"Offrez-vous une garantie contre toute nouvelle intrusion?\", \"acceptedAnswer\": <span>\"@type\": \"Answer\", \"text\": \"Nous visons des r\u00e9sultats durables \u00e9valu\u00e9s au cas par cas, sans promettre de garantie absolue, car un b\u00e2timent \u00e9volue et de nouvelles fissures peuvent appara\u00eetre. Nos techniciens vous indiquent les zones \u00e0 surveiller apr\u00e8s l'intervention.\"]}<\/script><!--NOVA_FAQ_END-->\n","protected":false},"excerpt":{"rendered":"<p>\u2605\u2605\u2605\u2605\u26054.9\/5 \u2022 203 Google reviews Doors and windows are among the main entry points for rodents and insects into a home or business. A worn seal, an ill-fitting door sill or a cracked window surround is enough to let a mouse or column of ants through. Nova Extermination&#8217;s door and window caulking seals these openings [&hellip;]<\/p>\n","protected":false},"featured_media":31906,"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-32780","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>Door and window caulking - Nova Extermination<\/title>\n<meta name=\"description\" content=\"\u2605\u2605\u2605\u2605\u26054.9\/5 \u2022 203 Google reviews Doors and windows are among the main entry points for rodents and insects into a home or business. 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