{"id":32776,"date":"2025-11-13T14:36:07","date_gmt":"2025-11-13T19:36:07","guid":{"rendered":"https:\/\/www.federated.ca\/?p=32776"},"modified":"2025-11-17T18:24:04","modified_gmt":"2025-11-17T23:24:04","slug":"guide-entretien-hivernal-toits","status":"publish","type":"post","link":"https:\/\/www.federated.ca\/fr\/blog\/prevention-des-sinistres\/guide-entretien-hivernal-toits\/","title":{"rendered":"Guide d\u2019entretien hivernal des toits"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1144px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p>En hiver, votre toit est soumis aux chutes de neige, aux temp\u00eates de verglas et \u00e0 la gr\u00eale. L\u2019accumulation de neige et de glace peut causer de graves dommages \u00e0 votre b\u00e2timent et entra\u00eener des infiltrations d\u2019eau dans les murs, les plafonds et ailleurs. Ces dommages sont souvent caus\u00e9s par ce qu\u2019on appelle commun\u00e9ment un barrage de glace, ph\u00e9nom\u00e8ne qui se produit lorsque l\u2019eau de fonte de la totalit\u00e9 ou d\u2019une partie du couvert de neige d\u2019un b\u00e2timent n\u2019arrive pas \u00e0 s\u2019\u00e9couler et que de la glace se forme en bordure du toit.<\/p>\n<p>Ces derni\u00e8res ann\u00e9es, les fortes chutes de neige, les accumulations de glace et les pluies vergla\u00e7antes ont entra\u00een\u00e9 une augmentation des dommages mat\u00e9riels au Canada. Selon le Bureau d\u2019assurance du Canada (2024), les dommages assur\u00e9s caus\u00e9s par des \u00e9v\u00e9nements m\u00e9t\u00e9orologiques extr\u00eames ont d\u00e9pass\u00e9 les <a href=\"https:\/\/bac.ibc.ca\/actualites-et-perspectives\/actualites\/les-evenements-meteorologiques-extremes-en-2023-ont-cause-plus-de-3-1-milliards-en-dommages-assures\">3,1\u00a0milliards de dollars en 2023, ce qui en a fait la quatri\u00e8me pire ann\u00e9e de l\u2019histoire canadienne sur le plan des sinistres assur\u00e9s.<\/a><\/p>\n<p>Les agriculteurs et les propri\u00e9taires fonciers de l\u2019Ontario ont \u00e9galement signal\u00e9 <a href=\"https:\/\/farmtario.com\/news\/some-roof-collapses-due-to-snow-load-not-covered-by-insurance\/\">de nombreux effondrements de toits dus \u00e0 la charge de neige, l\u2019hiver dernier<\/a>, ce qui rappelle l\u2019importance de l\u2019entretien et des inspections hivernales. Pour vous aider \u00e0 vous pr\u00e9parer \u00e0 la rudesse de l\u2019hiver, nous avons compil\u00e9 des conseils \u00e0 garder en t\u00eate pour faire un entretien efficace de votre toit et pour le d\u00e9neiger en toute s\u00e9curit\u00e9. Nous avons \u00e9galement indiqu\u00e9 les types de couverture qui r\u00e9sistent le mieux aux conditions hivernales. Pour d\u2019autres renseignements g\u00e9n\u00e9raux sur les inspections de toit, consultez <a href=\"https:\/\/www.federated.ca\/fr\/blog\/prevention-des-sinistres\/entretien-automnal-des-batiments-cest-lheure-de-linspection-du-toit\/\">ce guide<\/a>.<\/p>\n<h3>D\u00e9neiger un toit de fa\u00e7on s\u00e9curitaire<strong><br \/>\n<\/strong><\/h3>\n<p>En r\u00e8gle g\u00e9n\u00e9rale, les experts recommandent de d\u00e9neiger votre toit d\u00e8s que 20\u00a0cm (8\u00a0po) de neige s\u2019y accumule. Un ing\u00e9nieur de structures pourrait vous aider \u00e0 d\u00e9terminer si votre toit peut r\u00e9sister au stress caus\u00e9 par l\u2019accumulation de neige et vous donner d\u2019autres conseils en fonction de l\u2019\u00e2ge et de l\u2019\u00e9tat de votre b\u00e2timent. Nous avons cr\u00e9\u00e9 <a href=\"https:\/\/www.federated.ca\/wp-content\/uploads\/2020\/11\/3584-065-Snow-Removal-Log-v01F.pdf\">un mod\u00e8le de registre<\/a> que vous pouvez utiliser pour faire le suivi de vos activit\u00e9s de d\u00e9neigement, qui comprend une section pour consigner les temp\u00e9ratures ext\u00e9rieures et les quantit\u00e9s de pr\u00e9cipitations.<\/p>\n<p>Suivez ces conseils, lors du d\u00e9neigement, pour prot\u00e9ger votre toit contre les dommages\u00a0:<\/p>\n<ul>\n<li>\u00c9vitez les outils pointus ou tranchants, comme les haches ou les pics, et utilisez des maillets en caoutchouc pour briser la glace.<\/li>\n<li>\u00c9vitez l\u2019utilisation de chaleur extr\u00eame, comme celle produite par un chalumeau, qui pourrait endommager votre toit.<\/li>\n<li>Utilisez des pelles en bois ou en plastique et arr\u00eatez-vous \u00e0 au moins 10\u00a0cm (4\u00a0po) au-dessus de la surface de votre toit.<\/li>\n<li>Faites preuve de prudence si vous utilisez du sel de d\u00e9gla\u00e7age, car la corrosion de composantes m\u00e9talliques du toit pourrait \u00eatre acc\u00e9l\u00e9r\u00e9e.<\/li>\n<li>Marquez les endroits o\u00f9 se trouvent les c\u00e2bles \u00e9lectriques, afin de les \u00e9viter.<\/li>\n<li>Veillez \u00e0 ce que l\u2019eau s\u2019\u00e9coule bien du toit.<\/li>\n<\/ul>\n<p>Avant de monter sur le toit, d\u00e9limitez un p\u00e9rim\u00e8tre de s\u00e9curit\u00e9 pour prot\u00e9ger les personnes qui circulent \u00e0 proximit\u00e9 du b\u00e2timent. En cas d\u2019accident, remplissez un rapport, notez-y les coordonn\u00e9es des personnes impliqu\u00e9es et les d\u00e9tails de l\u2019accident, puis faites signer le rapport par un t\u00e9moin. Si possible, il est \u00e9galement conseill\u00e9 de prendre des photos dat\u00e9es des lieux de l\u2019accident et de noter le type de chaussures que portait la victime.<\/p>\n<h3>Devrais-je faire appel \u00e0 un professionnel?<\/h3>\n<p>Si vous n\u2019avez pas le bon \u00e9quipement ou que vous n\u2019\u00eates pas certain d\u2019\u00eatre physiquement capable de d\u00e9neiger votre toit, vous pourriez faire appel \u00e0 un entrepreneur pour qu\u2019il vous aide \u00e0 le faire de fa\u00e7on s\u00e9curitaire. Le cas \u00e9ch\u00e9ant, assurez-vous d\u2019exiger et de signer un contrat \u00e9crit ou une convention de service qui d\u00e9finit pr\u00e9cis\u00e9ment le travail \u00e0 effectuer ainsi que les r\u00f4les et responsabilit\u00e9s de chaque partie. Une attestation d\u2019assurance de l\u2019entrepreneur vous aidera \u00e0 v\u00e9rifier la r\u00e9putation de ce dernier et votre courtier pourra confirmer si son assurance est ad\u00e9quate.<\/p>\n<h3>Des couvertures adapt\u00e9es \u00e0 la saison froide<\/h3>\n<p>Par pr\u00e9caution, vous pourriez choisir d\u2019investir dans une couverture capable de r\u00e9sister aux conditions hivernales plus difficiles. Voici quelques types de couvertures couramment utilis\u00e9s :<\/p>\n<ul>\n<li><strong>Les couvertures multicouches : <\/strong>Elles sont form\u00e9es de toile renforc\u00e9e et de bitume (asphalte), qu\u2019on recouvre ensuite d\u2019une couche finale de pierre ou de gravier.<\/li>\n<li><strong>Les couvertures en bitume modifi\u00e9 : <\/strong>Option durable pour les toits plats, elles sont constitu\u00e9es d\u2019une membrane de base et d\u2019une membrane de finition avec granules color\u00e9s en surface, qui remplacent le gravier des membranes d\u2019asphalte multicouche.<\/li>\n<li><strong>Les couvertures \u00e0 membrane monocouche : <\/strong>Elles sont compos\u00e9es de feuilles souples de polym\u00e8re synth\u00e9tique qui se divise en deux grandes familles\u00a0: le thermoplastique et le caoutchouc synth\u00e9tique. Les couvertures \u00e0 membrane monocouche de type terpolym\u00e8re \u00e9thyl\u00e8ne-propyl\u00e8ne-di\u00e8ne (EPDM) et polyol\u00e9fine thermoplastique (TPO) en sont un exemple. Les toitures d\u2019EPDM sont sujettes aux contractions et expansions thermiques.<\/li>\n<li><strong>Les couvertures en bardeaux : <\/strong>Elles sont compos\u00e9es de tuiles plates ou courb\u00e9es qui s\u2019embo\u00eetent de fa\u00e7on \u00e0 orienter l\u2019\u00e9coulement de l\u2019eau sur les toits en pente.<\/li>\n<\/ul>\n<p>Un ing\u00e9nieur en structures pourra vous aider \u00e0 choisir le type de couverture qui convient le mieux \u00e0 votre b\u00e2timent.<\/p>\n<h2>Prot\u00e9gez votre entreprise gr\u00e2ce \u00e0 une assurance<strong><br \/>\n<\/strong><\/h2>\n<p>Les hivers canadiens sont impr\u00e9visibles. Vous avez donc besoin d\u2019une assurance fiable pour prot\u00e9ger votre entreprise. Visitez notre <a href=\"https:\/\/www.federated.ca\/fr\/assurance-des-entreprises\/\">page sur l\u2019assurance des entreprises<\/a> d\u00e8s aujourd\u2019hui pour savoir comment nous pouvons cr\u00e9er une solution d\u2019assurance adapt\u00e9e sur mesure \u00e0 chacun des risques auxquels vous faites face!<\/p>\n<p><em>Le pr\u00e9sent billet de blogue est fourni uniquement \u00e0 titre informatif et ne vise pas \u00e0 remplacer les conseils de professionnels.<\/em><em> Nous ne faisons aucune assertion et n\u2019offrons aucune garantie relativement \u00e0 l\u2019exactitude ou \u00e0 l\u2019int\u00e9gralit\u00e9 des renseignements pr\u00e9sent\u00e9s. Nous ne pourrons en aucun cas \u00eatre tenus responsables des pertes pouvant d\u00e9couler de leur utilisation.<\/em><\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":11,"featured_media":32783,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[159],"tags":[433,12122,12124,12126,12125,12123,481,12127],"class_list":["post-32776","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-prevention-des-sinistres","tag-assurance-des-entreprises","tag-conditions-hivernales","tag-continuite-des-activites","tag-entretien-des-batiments","tag-inspection-des-toits","tag-phenomenes-meteorologiques-violents","tag-prevention-des-risques","tag-securite-liee-au-poids-de-la-neige"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.4) - 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