{"id":36941,"date":"2026-04-15T16:00:24","date_gmt":"2026-04-15T20:00:24","guid":{"rendered":"https:\/\/www.federated.ca\/?p=36941"},"modified":"2026-04-16T14:41:23","modified_gmt":"2026-04-16T18:41:23","slug":"prevenir-dommages-grele","status":"publish","type":"post","link":"https:\/\/www.federated.ca\/fr\/blog\/prevention-des-sinistres\/prevenir-dommages-grele\/","title":{"rendered":"Conseils pour pr\u00e9venir les dommages caus\u00e9s par la gr\u00eale et prot\u00e9ger vos biens"},"content":{"rendered":"<p><span data-contrast=\"auto\">Partout au pays, la gr\u00eale est un risque m\u00e9t\u00e9orologique grave qui peut endommager les biens commerciaux, les infrastructures publiques, les maisons, les v\u00e9hicules et les cultures.\u00a0Selon le\u00a0<\/span><a href=\"https:\/\/fr.ibc.ca\/news-insights\/news\/cost-of-record-breaking-hailstorm-adds-to-crisis-facing-auto-insurance-system\"><span data-contrast=\"none\">Bureau d\u2019assurance du Canada (BAC), la temp\u00eate de gr\u00eale qui s\u2019est abattue sur l\u2019Alberta le 5\u202fao\u00fbt\u202f2024<\/span><\/a><span data-contrast=\"auto\">\u00a0est devenue le deuxi\u00e8me sinistre assur\u00e9 le plus important de l\u2019histoire du Canada, causant 2,8\u202fmilliards de dollars de dommages assur\u00e9s et entra\u00eenant plus de 130<\/span><span data-contrast=\"auto\">\u2009<\/span><span data-contrast=\"auto\">000\u202fdemandes d\u2019indemnisation.<\/span><span data-contrast=\"auto\">\u00a0De ce nombre\u00a0de demandes, 70<\/span><span data-contrast=\"auto\">\u2009<\/span><span data-contrast=\"auto\">000 \u00e9taient li\u00e9es \u00e0 des v\u00e9hicules, les co\u00fbts des dommages subis par des v\u00e9hicules \u00e9tant \u00e0 eux seuls estim\u00e9s \u00e0 900\u202fmillions de dollars.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">La gr\u00eale se forme \u00e0 l\u2019int\u00e9rieur de courants orageux ascendants, ce qui cr\u00e9e des granules de glace dont la taille peut varier de celle d\u2019un petit pois \u00e0 celle d\u2019une balle de golf (et parfois plus encore).\u00a0Lorsque les gr\u00ealons atteignent la taille d\u2019une pi\u00e8ce de 25\u202fcents ou plus, ils peuvent causer des dommages importants aux toits, aux v\u00e9hicules et aux cultures. De plus, les gr\u00ealons pouss\u00e9s par le vent peuvent tomber \u00e0 un angle leur donnant la force d\u2019arracher des rev\u00eatements et de fracasser des fen\u00eatres.\u00a0Toutefois, les dommages ne sont pas toujours \u00e9vidents. Des trous dans le toit, par exemple, peuvent entra\u00eener des fuites derri\u00e8re les murs, cr\u00e9ant ainsi des probl\u00e8mes d\u2019eau et de moisissure \u00e0 plus long terme.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Bien que les violentes temp\u00eates de gr\u00eale que subit l\u2019Alberta\u00a0d\u00e9fraient\u00a0souvent la chronique, la gr\u00eale peut s\u00e9vir partout au Canada, g\u00e9n\u00e9ralement entre juin et septembre.\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">Mesures pour att\u00e9nuer les d\u00e9g\u00e2ts caus\u00e9s par la gr\u00eale<\/span><\/b><\/h3>\n<p><span data-contrast=\"auto\">Voici quelques mesures pour vous aider \u00e0 r\u00e9duire les risques li\u00e9s \u00e0 la gr\u00eale :<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p aria-level=\"3\"><b><span data-contrast=\"auto\">Prot\u00e9ger vos unit\u00e9s de climatisation<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Il arrive couramment que les unit\u00e9s de climatisation non prot\u00e9g\u00e9es ou celles install\u00e9es sur le toit de b\u00e2timents commerciaux et industriels subissent des dommages caus\u00e9s par la gr\u00eale et les vents violents.\u00a0Les feuilles d\u2019aluminium que renferment ces unit\u00e9s sont particuli\u00e8rement vuln\u00e9rables, ce qui entra\u00eene souvent des co\u00fbts de\u00a0remplacement \u00e9lev\u00e9s.\u00a0La franchise pour une unit\u00e9 de climatisation install\u00e9e sur le toit est g\u00e9n\u00e9ralement \u00e9lev\u00e9e, car de telles unit\u00e9s sont tr\u00e8s sensibles aux dommages.\u00a0Certaines compagnies d\u2019assurance calculent au prorata les dommages caus\u00e9s par la gr\u00eale plut\u00f4t que de proposer une franchise.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Une fa\u00e7on de limiter les dommages est d\u2019installer une cage sp\u00e9cialement con\u00e7ue pour les unit\u00e9s de climatisation, qui prot\u00e8ge donc l\u2019unit\u00e9 sans nuire \u00e0 la circulation de l\u2019air autour de celle-ci.\u00a0Prot\u00e9ger ainsi l\u2019unit\u00e9 peut permettre de r\u00e9duire consid\u00e9rablement la franchise.\u00a0Dans des villes comme Calgary, la plupart des b\u00e2timents commerciaux int\u00e8grent cette protection de\u00a0fa\u00e7on\u00a0standard.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p aria-level=\"3\"><b><span data-contrast=\"auto\">Pr\u00e9venir les d\u00e9g\u00e2ts d\u2019eau provenant du toit <\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Une fois que des gr\u00ealons ont perc\u00e9 un trou dans un toit ou d\u00e9chir\u00e9 un rev\u00eatement, il y a aussi la possibilit\u00e9 de d\u00e9g\u00e2ts d\u2019eau.\u00a0Proc\u00e9dez \u00e0 l\u2019inspection de votre toit \u00e0 intervalles r\u00e9guliers, en particulier juste avant l\u2019\u00e9t\u00e9, car des d\u00e9g\u00e2ts d\u2019eau peuvent se solder par une demande de r\u00e8glement d\u2019un montant beaucoup plus \u00e9lev\u00e9.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Songez \u00e0 une solution \u00e0 plus long terme\u00a0pour pr\u00e9venir les d\u00e9g\u00e2ts d\u2019eau, comme remplacer les mat\u00e9riaux de toiture par des mat\u00e9riaux qui r\u00e9sistent aux impacts, en particulier si la propri\u00e9t\u00e9 est situ\u00e9e dans une zone \u00e0 risque mod\u00e9r\u00e9 ou \u00e9lev\u00e9 de gr\u00eale.\u00a0Un bon rev\u00eatement de toit est tout aussi essentiel pour assurer une protection contre les infiltrations d\u2019eau.\u00a0Dans le cas d\u2019une nouvelle construction ou au moment de proc\u00e9der au remplacement du toit, songez \u00e0 utiliser des bardeaux de classe\u202f4 ou des mat\u00e9riaux r\u00e9sistant aux impacts tels que le caoutchouc ou le m\u00e9tal.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\">Si les bardeaux d\u2019asphalte sont le rev\u00eatement de toit le plus couramment install\u00e9 au Canada, ils sont aussi parmi les plus susceptibles d\u2019\u00eatre endommag\u00e9s par le vent, la pluie et la gr\u00eale.\u00a0Les conditions m\u00e9t\u00e9orologiques extr\u00eames, qu\u2019il s\u2019agisse de vagues de chaleur ou de temp\u00eates de neige, peuvent faire en sorte que ces bardeaux se recourbent ou se d\u00e9tachent, ce qui augmente le risque de d\u00e9g\u00e2ts d\u2019eau.\u00a0Il est donc pr\u00e9f\u00e9rable de consid\u00e9rer l\u2019utilisation d\u2019autres mat\u00e9riaux que les\u00a0bardeaux d\u2019asphalte lorsque cela est possible.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">Investir dans des solutions \u00e0 long terme<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"4\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><a href=\"https:\/\/www.ul.com\/services\/roofing-testing-and-certification-services\"><span data-contrast=\"none\">Les laboratoires des assureurs du Canada<\/span><\/a><span data-contrast=\"auto\">\u00a0(ULC), un organisme ind\u00e9pendant largement reconnu qui fournit des services d\u2019essai, d\u2019inspection et de certification, ont mis en place des protocoles d\u2019essai des mat\u00e9riaux de toiture. Les bardeaux r\u00e9sistant aux impacts sont couverts par la norme UL\u202f2218.<\/span><span data-contrast=\"auto\">\u00a0Pour \u00eatre homologu\u00e9, le mat\u00e9riau de toiture doit pouvoir\u00a0r\u00e9sister \u00e0 un d\u00e9ferlement de billes d\u2019acier simulant la gr\u00eale.\u00a0Selon les ULC, les bardeaux de classe\u202f4 r\u00e9sisteront \u00e0 la plupart des temp\u00eates de gr\u00eale.\u00a0Cependant, la c\u00e9ramique, l\u2019ardoise, le b\u00e9ton et certains m\u00e9taux peuvent subir des dommages superficiels dans une temp\u00eate de gr\u00eale.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"4\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Lors du remplacement d\u2019une couverture, optez pour\u00a0des produits r\u00e9sistants \u00e0 la gr\u00eale\u00a0comme l\u2019acier. Bien que ces produits soient habituellement\u00a0plus lourds\u00a0et plus chers \u00e0 installer,\u00a0ils\u00a0r\u00e9sistent mieux \u00e0 la gr\u00eale que les\u00a0m\u00e9taux plus mous\u00a0comme\u00a0l\u2019aluminium ou\u00a0le\u00a0cuivre.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">Autres conseils de pr\u00e9vention <\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Il est possible qu\u2019une compagnie d\u2019assurance r\u00e9duise votre franchise\u00a0ou\u00a0vous accorde une r\u00e9duction de prime si vous optez pour des mat\u00e9riaux r\u00e9sistants \u00e0 la gr\u00eale pour refaire votre toit.\u00a0Toutefois, ce n\u2019est souvent qu\u2019apr\u00e8s\u00a0un sinistre ou lorsqu\u2019un\u00a0toit\u00a0doit \u00eatre remplac\u00e9 que les propri\u00e9taires d\u2019entreprise optent pour ces mat\u00e9riaux.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p aria-level=\"2\"><span data-contrast=\"auto\">C\u2019est pourquoi il est important d\u2019att\u00e9nuer les risques par d\u2019<\/span><a href=\"https:\/\/www.federated.ca\/fr\/blog\/prevention-des-sinistres\/guide-dentretien-hivernal-des-toits\/\"><span data-contrast=\"none\">autres moyens<\/span><\/a><span data-contrast=\"auto\">\u00a0\u00e9galement, par exemple, en prot\u00e9geant votre unit\u00e9 de climatisation install\u00e9e sur le toit et en restant \u00e0 l\u2019aff\u00fbt des bulletins m\u00e9t\u00e9orologiques pour vous pr\u00e9parer \u00e0 affronter d\u2019\u00e9ventuelles temp\u00eates.<\/span><span data-contrast=\"auto\">\u00a0Les restaurants avec terrasse, par exemple, ont int\u00e9r\u00eat \u00e0 ranger leurs tables, leurs chaises, leurs parasols et leurs chaufferettes \u00e0 l\u2019approche d\u2019un orage.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p aria-level=\"2\"><b><span data-contrast=\"auto\">Prot\u00e9gez votre entreprise avec une assurance<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">La gr\u00eale peut \u00eatre impr\u00e9visible et causer des dommages malgr\u00e9 tous vos efforts.\u00a0Cependant, une bonne assurance peut vous aider \u00e0 reprendre\u00a0rapidement vos activit\u00e9s et \u00e0 r\u00e9duire les co\u00fbts\u00a0pour votre entreprise.\u00a0Pour d\u00e9couvrir d\u2019autres fa\u00e7ons de prot\u00e9ger votre entreprise, consultez notre page Web sur l\u2019<\/span><a href=\"https:\/\/www.federated.ca\/fr\/types-dassurance\/assurance-biens-entreprises\/\"><span data-contrast=\"none\">assurance des biens des entreprises<\/span><\/a><span data-contrast=\"auto\">\u00a0d\u00e8s aujourd\u2019hui.<\/span><span data-contrast=\"auto\">\u00a0<\/span><\/p>\n<p><i><span data-contrast=\"auto\">Le pr\u00e9sent billet de blogue est fourni uniquement \u00e0 titre informatif et ne vise pas \u00e0 remplacer les conseils de professionnels.\u00a0Nous 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.<\/span><\/i><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Partout au pays, la gr\u00eale est un risque m\u00e9t\u00e9orologique grave qui peut endommager les biens commerciaux, les infrastructures publiques, les maisons, les v\u00e9hicules et les cultures.\u00a0Selon le\u00a0Bureau d\u2019assurance du Canada <a href=\"https:\/\/www.federated.ca\/fr\/blog\/prevention-des-sinistres\/prevenir-dommages-grele\/\"> [&#8230;]<\/a><\/p>\n","protected":false},"author":11,"featured_media":42495,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[159],"tags":[268],"class_list":["post-36941","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-prevention-des-sinistres","tag-property-maintenance-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Pr\u00e9venir les dommages caus\u00e9s par la gr\u00eale \u2013 Federated<\/title>\n<meta name=\"description\" content=\"Prot\u00e9gez votre propri\u00e9t\u00e9 des dommages caus\u00e9s par la gr\u00eale \u00e0 l\u2019aide de nos conseils pratiques et de nos strat\u00e9gies de gestion des risques.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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