{"id":423,"date":"2026-08-10T08:45:14","date_gmt":"2026-08-10T08:45:14","guid":{"rendered":"https:\/\/meizstairs.com\/?p=423"},"modified":"2026-09-16T00:39:02","modified_gmt":"2026-09-16T00:39:02","slug":"guide-depaisseur-des-limons-descalier-en-metal","status":"publish","type":"post","link":"https:\/\/meizstairs.com\/fr\/metal-stringers-for-stairs-thickness-guide\/","title":{"rendered":"Guide ultime de l'\u00e9paisseur des limons m\u00e9talliques pour escaliers"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"423\" class=\"elementor elementor-423\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2b1122c2 e-flex e-con-boxed e-con e-parent\" data-id=\"2b1122c2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-37a6a122 elementor-widget elementor-widget-text-editor\" data-id=\"37a6a122\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"article-container\"><div class=\"meta-info\"><span style=\"font-size: 14pt;\">Avis d'expert : <\/span>Lors de la fabrication de limons d'escalier en m\u00e9tal, la question la plus fr\u00e9quente que l'on me pose est : quelle doit \u00eatre l'\u00e9paisseur de la t\u00f4le d'acier ? La r\u00e9ponse n'est pas un chiffre unique ; elle d\u00e9pend de la charge, de la port\u00e9e et des exigences structurelles. <span class=\"\">Le choix de la bonne \u00e9paisseur de t\u00f4le d'acier pour les limons est crucial pour la s\u00e9curit\u00e9 et la durabilit\u00e9.\u00a0<\/span><span class=\"\">En fait,<\/span><span class=\"\">\u00a0C'est la d\u00e9cision la plus importante dans la fabrication des escaliers.<\/span><\/div><div class=\"expert-block\"><p><span class=\"\">Par exemple,<\/span><span class=\"\">\u00a0Au cours de mes 15 ann\u00e9es pass\u00e9es chez Meizstairs, j'ai vu ces \u00e9l\u00e9ments structuraux c\u00e9der non pas \u00e0 cause d'un mauvais soudage<\/span>, mais parce que la plaque d'acier \u00e9tait trop fine pour l'application. Inversement, sur-sp\u00e9cifier l'\u00e9paisseur fait augmenter inutilement les co\u00fbts. Ce guide vous aide \u00e0 d\u00e9terminer l'\u00e9paisseur optimale pour vos limons d'escalier.<\/p><\/div><p><!-- ===== \u5f15\u8a00 ===== --><\/p><h2>Introduction : Pourquoi l'\u00e9paisseur de la t\u00f4le d'acier est importante pour les limons d'escalier en acier<\/h2><p>S\u00e9lectionner l'\u00e9paisseur de t\u00f4le d'acier correcte pour <a href=\"https:\/\/meizstairs.com\/fr\/product\/mono-stringer-stairs-2\/\">fabrication de limon d'escalier<\/a>\u00a0est l'une des d\u00e9cisions les plus cruciales dans la fabrication d'un escalier. Le limon \u2014 l'\u00e9pine dorsale structurelle qui soutient les marches et les contremarches \u2014 doit \u00eatre suffisamment \u00e9pais pour supporter la charge pr\u00e9vue sans flexion excessive, mais pas au point que les co\u00fbts des mat\u00e9riaux deviennent prohibitifs.<\/p><p><span class=\"\">Pour commencer,<\/span><span class=\"\">\u00a0Pour le syst\u00e8me de l\u00e8ve-vitre, l'\u00e9paisseur de la t\u00f4le affecte directement l'int\u00e9grit\u00e9 structurelle<\/span>, la complexit\u00e9 de fabrication, les exigences de soudage et le co\u00fbt global du projet. Ce guide fournit une approche syst\u00e9matique pour d\u00e9terminer l'\u00e9paisseur optimale des plaques d'acier pour les limons d'escalier, couvrant les calculs de charge, les consid\u00e9rations de port\u00e9e, les nuances de mat\u00e9riaux et les normes de l'industrie.<\/p><p><!-- ===== \u5173\u952e\u56e0\u7d20 ===== --><\/p><h2>Facteurs cl\u00e9s pour l'\u00e9paisseur de la plaque des limons m\u00e9talliques pour escaliers<\/h2><p>Plusieurs facteurs interd\u00e9pendants influencent l'\u00e9paisseur requise des limons d'escalier. Il est essentiel de comprendre chacun de ces facteurs pour prendre des d\u00e9cisions d'ing\u00e9nierie pr\u00e9cises.<\/p><h3>1. Charger les exigences<\/h3><p>Le facteur principal pour d\u00e9terminer l'\u00e9paisseur de la plaque d'acier des \u00e9l\u00e9ments de support est la charge que l'escalier doit supporter.<span class=\"\">Plus pr\u00e9cis\u00e9ment,<\/span> Les charges sont divis\u00e9es en deux cat\u00e9gories :<\/p><ul><li>Charge morte \u2013 Le poids de l'escalier lui-m\u00eame, y compris les limons, les marches, les contremarches et toutes les finitions fix\u00e9es. Pour les limons d'escalier en acier, le poids propre de la plaque d'acier est un composant important.<\/li><li>Charge d'exploitation \u2013 Le poids des personnes utilisant les escaliers, du mobilier et de toute charge temporaire. <span class=\"\">Les codes du b\u00e2timent (IBC, ASCE 7) sp\u00e9cifient des charges d'exploitation minimales pour les escaliers, g\u00e9n\u00e9ralement de 100 psf pour les applications r\u00e9sidentielles et commerciales.\u00a0<\/span><span class=\"\">Par exemple,<\/span><span class=\"\">\u00a0dans les b\u00e2timents commerciaux \u00e0 fort trafic, cette charge peut augmenter de mani\u00e8re significative.<\/span><\/li><\/ul><p><span class=\"\">Pour l'assemblage des limons dans les applications commerciales de grande hauteur, la charge totale (morte + vive) peut d\u00e9passer 150 psf,\u00a0<\/span><span class=\"\">par cons\u00e9quent<\/span><span class=\"\">\u00a0n\u00e9cessitant une t\u00f4le d'acier plus \u00e9paisse.<\/span><\/p><h3>2. Longueur de trav\u00e9e<\/h3><p>La port\u00e9e non soutenue de l'assemblage de longerons affecte directement l'\u00e9paisseur requise de la plaque. Des port\u00e9es plus longues augmentent la contrainte de flexion, ce qui n\u00e9cessite une plaque d'acier plus \u00e9paisse ou des supports interm\u00e9diaires suppl\u00e9mentaires.<\/p><p><span class=\"\">Pour les habitations typiques, les supports structurels et des port\u00e9es de 10 \u00e0 14 pieds sont courants. Cependant, les applications commerciales n\u00e9cessitent souvent des port\u00e9es de 14 \u00e0 20 pieds. En guise de r\u00e8gle g\u00e9n\u00e9rale, pour les limons en acier, l'\u00e9paisseur de la plaque doit augmenter d'environ 20% pour chaque augmentation de 4 pieds de la port\u00e9e. <\/span><span class=\"\">Cependant,<\/span><span class=\"\">\u00a0ceci est une directive g\u00e9n\u00e9rale qui doit \u00eatre v\u00e9rifi\u00e9e par des calculs d'ing\u00e9nierie.<\/span><\/p><h3>3. Nuance d'acier pour les limons<\/h3><p><span class=\"\">De plus<\/span><span class=\"\">\u00a0Pour franchir la port\u00e9e et supporter la charge, la qualit\u00e9 de l'acier utilis\u00e9 pour les limons d\u00e9termine leur limite d'\u00e9lasticit\u00e9 et leur contrainte admissible.<\/span> Les notes courantes comprennent :<\/p><ul><li><span class=\"\">A36 \u2013 Limite d'\u00e9lasticit\u00e9 : 36 ksi.\u00a0<\/span><span class=\"\">Par cons\u00e9quent,<\/span><span class=\"\">\u00a0Il est plus fr\u00e9quent d'utiliser ces \u00e9l\u00e9ments structurels dans les applications r\u00e9sidentielles et commerciales l\u00e9g\u00e8res.<\/span><\/li><li>A572 (Grade 50) \u2013 Limite d'\u00e9lasticit\u00e9 : 50 ksi. Une r\u00e9sistance sup\u00e9rieure permet d'utiliser des t\u00f4les plus minces pour les limons d'escalier sous la m\u00eame charge.<\/li><li>A992 \u2013 <span class=\"\">Limite d'\u00e9lasticit\u00e9 : 50\u201365 ksi. Souvent utilis\u00e9 pour les profil\u00e9s en acier de charpente dans les applications \u00e0 haute performance.\u00a0<\/span><span class=\"\">Ainsi,<\/span><span class=\"\">\u00a0Un acier de meilleure qualit\u00e9 permet d'utiliser des t\u00f4les plus fines.<\/span><\/li><\/ul><h3>4. Coefficient de s\u00e9curit\u00e9 pour les limons m\u00e9talliques d'escalier<\/h3><p>Les normes d'ing\u00e9nierie pour les limons d'escalier exigent un coefficient de s\u00e9curit\u00e9 pour tenir compte des charges impr\u00e9vues, des d\u00e9fauts de mat\u00e9riaux et de la d\u00e9gradation \u00e0 long terme. Les coefficients de s\u00e9curit\u00e9 typiques varient de 1,5 \u00e0 2,0 pour la fabrication des poutres de support d'escalier.<\/p><p><!-- ===== \u539a\u5ea6\u9009\u578b\u8868\u683c ===== --><\/p><h2>\u00c9paisseur de t\u00f4le d'acier recommand\u00e9e pour les limons m\u00e9talliques d'escalier<\/h2><p><span class=\"\">Bas\u00e9 sur<\/span><span class=\"\"> facteurs discut\u00e9s ci-dessus, le tableau suivant fournit des recommandations g\u00e9n\u00e9rales pour le syst\u00e8me de longerons en fonction de la port\u00e9e et des conditions de charge. Toutes les valeurs supposent de l'acier A36 avec un coefficient de s\u00e9curit\u00e9 de 1,67. Notamment, il s'agit de recommandations minimales qui doivent \u00eatre v\u00e9rifi\u00e9es par un ing\u00e9nieur en structure.<\/span><\/p><p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-3733 size-full\" src=\"https:\/\/meizstairs.com\/wp-content\/uploads\/2026\/09\/Steel-Thickness-Comparison-Chart.webp\" alt=\"sch\u00e9ma de l&#039;\u00e9paisseur des limons d&#039;escalier en m\u00e9tal\" width=\"1200\" height=\"642\" srcset=\"https:\/\/meizstairs.com\/wp-content\/uploads\/2026\/09\/Steel-Thickness-Comparison-Chart.webp 1200w, https:\/\/meizstairs.com\/wp-content\/uploads\/2026\/09\/Steel-Thickness-Comparison-Chart-300x161.webp 300w, https:\/\/meizstairs.com\/wp-content\/uploads\/2026\/09\/Steel-Thickness-Comparison-Chart-1024x548.webp 1024w, https:\/\/meizstairs.com\/wp-content\/uploads\/2026\/09\/Steel-Thickness-Comparison-Chart-768x411.webp 768w, https:\/\/meizstairs.com\/wp-content\/uploads\/2026\/09\/Steel-Thickness-Comparison-Chart-18x10.webp 18w, https:\/\/meizstairs.com\/wp-content\/uploads\/2026\/09\/Steel-Thickness-Comparison-Chart-600x321.webp 600w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p><div class=\"table-wrap\"><table><thead><tr><th>Longueur de trav\u00e9e<\/th><th>Charge (psf)<\/th><th>\u00c9paisseur recommand\u00e9e<\/th><th>Application<\/th><\/tr><\/thead><tbody><tr><td>8 \u00e0 10 pieds<\/td><td>\u2264 100 psf<\/td><td>1\/4 po (6,35 mm)<\/td><td>R\u00e9sidentiel, usage l\u00e9ger<\/td><\/tr><tr class=\"row-alt\"><td>10 \u00e0 12 pi<\/td><td>\u2264 100 psf<\/td><td>5\/16\u2033 (7,94 mm)<\/td><td>R\u00e9sidentiel, usage mod\u00e9r\u00e9<\/td><\/tr><tr><td>10 \u00e0 12 pi<\/td><td>100 \u00e0 150 lb\/pi\u00b2<\/td><td>3\/8\u2033 (9,53 mm)<\/td><td>Commercial, trafic l\u00e9ger<\/td><\/tr><tr class=\"row-alt\"><td>3,6 \u00e0 4,3 m<\/td><td>\u2264 100 psf<\/td><td>3\/8\u2033 (9,53 mm)<\/td><td>R\u00e9sidentiel, grande port\u00e9e<\/td><\/tr><tr><td>3,6 \u00e0 4,3 m<\/td><td>100 \u00e0 150 lb\/pi\u00b2<\/td><td>1\/2 po (12,7 mm)<\/td><td>Commercial, trafic mod\u00e9r\u00e9<\/td><\/tr><tr class=\"row-alt\"><td>14 \u00e0 16 pi<\/td><td>100 \u00e0 150 lb\/pi\u00b2<\/td><td>5\/8\u2033 (15,88 mm)<\/td><td>Commercial, \u00e0 fort trafic<\/td><\/tr><tr><td>16\u201320 pi<\/td><td>\u2265 150 psf<\/td><td>3\/4 po (19,05 mm)<\/td><td>Industriel, charge lourde<\/td><\/tr><\/tbody><\/table><\/div><p>Ces recommandations d'\u00e9paisseur pour ces \u00e9l\u00e9ments structurels sont des points de d\u00e9part. Consultez toujours un ing\u00e9nieur en structure pour la v\u00e9rification finale.<\/p><p><!-- ===== \u8ba1\u7b97\u65b9\u6cd5 ===== --><\/p><h2>Comment calculer l'\u00e9paisseur de la t\u00f4le d'acier pour les limons d'escalier<\/h2><p><span class=\"\">De plus,<\/span><span class=\"\"> Lors de la conception minutieuse des limons m\u00e9talliques pour escaliers, utilisez la m\u00e9thode syst\u00e9matique suivante :<\/span><\/p><ol><li>D\u00e9terminer la charge totale \u2013 Calculez la charge morte plus la charge vive pour vos \u00e9l\u00e9ments de support.<span class=\"\">Ensuite,<\/span><\/li><li>Calculer le moment fl\u00e9chissant <em>M = (w \u00d7 L\u00b2) \/ 8<\/em> pour les \u00e9l\u00e9ments structuraux simplement appuy\u00e9s.<\/li><li>D\u00e9terminer le module de section <em>S = M \/ (0,6 \u00d7 Fy)<\/em> o\u00f9 Fy est la limite d'\u00e9lasticit\u00e9 de l'acier.<\/li><li>S\u00e9lectionner l'\u00e9paisseur de la t\u00f4le \u2013 Choisissez l'\u00e9paisseur minimale qui fournit le module de section requis pour vos limons m\u00e9talliques d'escalier.<\/li><li>Appliquer un coefficient de s\u00e9curit\u00e9 \u2013 Multiplier par 1,5 \u00e0 2,0 pour obtenir l'\u00e9paisseur de conception finale des limons m\u00e9talliques pour escaliers.<\/li><\/ol><p><!-- ===== \u884c\u4e1a\u6807\u51c6 ===== --><\/p><h2>Normes industrielles pour les \u00e9l\u00e9ments de support d'escalier<\/h2><p><span class=\"\">De plus<\/span><span class=\"\"> aux calculs d'ing\u00e9nierie, en plus des calculs, lors de la sp\u00e9cification de limons m\u00e9talliques pour des escaliers, les ing\u00e9nieurs doivent se r\u00e9f\u00e9rer aux normes suivantes :<\/span><\/p><ul><li>Manuel de construction en acier de l'AISC \u2013 Fournit des formules et des tableaux de calcul pour la structure de support.<\/li><li>IBC (Code international du b\u00e2timent) \u2013 \u00c9tablit les exigences minimales de charge d'exploitation pour les limons m\u00e9talliques d'escaliers.<\/li><li>ASCE 7 \u2013 D\u00e9finit les combinaisons de charges pour les limons d'escalier en charpente m\u00e9tallique.<\/li><li>ASTM A36 \/ A572 \u2013 Sp\u00e9cifications des mat\u00e9riaux pour les t\u00f4les d'acier utilis\u00e9es dans <a href=\"http:\/\/steel stair fabrication\" data-wplink-url-error=\"true\">fabrication d'escaliers en acier<\/a>.<span class=\"\">\u00a0<\/span><span class=\"\">Par cons\u00e9quent,<\/span><span class=\"\">\u00a0Le respect de ces normes garantit la conformit\u00e9 et la s\u00e9curit\u00e9.<\/span><\/li><\/ul><p><!-- ===== \u5e38\u89c1\u9519\u8bef ===== --><\/p><h2><span class=\"\">Pour garantir la r\u00e9ussite d'une conception,<\/span><span class=\"\"> Lors de la d\u00e9termination de l'\u00e9paisseur des limons m\u00e9talliques pour les escaliers, \u00e9vitez ces erreurs courantes :<\/span><\/h2><div class=\"table-wrap\"><table style=\"width: 596px;\"><thead><tr><th style=\"width: 170px;\">Erreur<\/th><th style=\"width: 186px;\">Cons\u00e9quence<\/th><th style=\"width: 240px;\">Pr\u00e9vention<\/th><\/tr><\/thead><tbody><tr><td style=\"width: 170px;\"><span class=\"\">Sous-estimer la charge d'exploitation<\/span><\/td><td style=\"width: 186px;\"><span class=\"\">Fl\u00e8che des raidisseurs, fissuration par fatigue<\/span><\/td><td style=\"width: 240px;\"><span class=\"\">Utiliser les charges minimales de l'IBC + une marge de 20%<\/span><\/td><\/tr><tr><td style=\"width: 170px;\"><span class=\"\">En ignorant le facteur de s\u00e9curit\u00e9<\/span><\/td><td style=\"width: 186px;\"><span class=\"\">D\u00e9faillance structurelle sous des charges de pointe<\/span><\/td><td style=\"width: 240px;\"><span class=\"\">Appliquer un facteur de 1,5 \u00e0 2,0 pour toutes les limons d'escalier en m\u00e9tal<\/span><\/td><\/tr><tr><td style=\"width: 170px;\"><span class=\"\">Utiliser des \u00e9l\u00e9ments trop minces pour de longues port\u00e9es<\/span><\/td><td style=\"width: 186px;\"><span class=\"\">Vibrations excessives, probl\u00e8mes de confort<\/span><\/td><td style=\"width: 240px;\"><span class=\"\">Suivre le tableau d'\u00e9paisseur de port\u00e9e ci-dessus<\/span><\/td><\/tr><tr><td style=\"width: 170px;\"><span class=\"\">Sursp\u00e9cification de l'\u00e9paisseur<\/span><\/td><td style=\"width: 186px;\"><span class=\"\">Co\u00fbt inutile, fabrication lourde<\/span><\/td><td style=\"width: 240px;\"><span class=\"\">Utilisez des calculs d'ing\u00e9nierie, pas des suppositions<\/span><\/td><\/tr><tr><td style=\"width: 170px;\"><span class=\"\">Sans tenir compte de la fl\u00e8che<\/span><\/td><td style=\"width: 186px;\"><span class=\"\">Escaliers rebondissants et instables<\/span><\/td><td style=\"width: 240px;\"><span class=\"\">V\u00e9rifier les crit\u00e8res de fl\u00e8che : L\/360 minimum.\u00a0<\/span><span class=\"\">Par cons\u00e9quent,<\/span><span class=\"\">\u00a0l'escalier restera stable et confortable sous la charge.<\/span><\/td><\/tr><\/tbody><\/table><\/div><p><!-- ===== \u603b\u7ed3 ===== --><\/p><div class=\"summary-box\"><p><span class=\"\">Pour r\u00e9sumer, la d\u00e9termination de l'\u00e9paisseur optimale des plaques d'acier pour les limons m\u00e9talliques d'escalier n\u00e9cessite une approche syst\u00e9matique.\u00a0<\/span><span class=\"\">D'abord,<\/span><span class=\"\">\u00a0calculer toutes les charges applicables.\u00a0<\/span><span class=\"\">Ensuite,<\/span><span class=\"\">\u00a0prenez en compte la longueur de la trav\u00e9e et la nuance d'acier.\u00a0<\/span><span class=\"\">De plus,<\/span><span class=\"\">\u00a0Appliquez des coefficients de s\u00e9curit\u00e9 appropri\u00e9s.\u00a0<\/span><span class=\"\">Enfin,<\/span><span class=\"\">\u00a0se r\u00e9f\u00e9rer aux normes de l'industrie pour la v\u00e9rification.<\/span> Ensuite, tenez compte de la longueur de la port\u00e9e et de la qualit\u00e9 de l'acier. De plus, appliquez des coefficients de s\u00e9curit\u00e9 appropri\u00e9s. Enfin, r\u00e9f\u00e9rez-vous aux normes de l'industrie pour v\u00e9rification. Les ing\u00e9nieurs Meizstairs peuvent vous aider \u00e0 choisir la bonne \u00e9paisseur pour votre projet de limons d'escalier en m\u00e9tal.<\/p><\/div><p><!-- ===== CTA ===== --><\/p><h2>Pr\u00eat \u00e0 fabriquer vos limons m\u00e9talliques pour escaliers ?<\/h2><p><span class=\"\">Par cons\u00e9quent<\/span><span class=\"\">,<\/span><span class=\"\">\u00a0Contactez-nous Meizstairs d\u00e8s aujourd'hui. Nous vous aiderons \u00e0 concevoir, \u00e9laborer et fabriquer vos limons d'escalier en m\u00e9tal selon des sp\u00e9cifications exactes.<\/span><\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Guide ultime de l'\u00e9paisseur des limons m\u00e9talliques pour escaliers<\/p>","protected":false},"author":8,"featured_media":427,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1,21,76],"tags":[],"class_list":["post-423","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-staircase-and-railing-blog","category-staircase-and-railing-product-process","category-staircase-and-railing-main-frame"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Learn to determine steel plate thickness for metal stringers for stairs. 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00:43:40","created":"2026-09-01 08:00:00","updated":"2026-09-16 00:43:40","reviewed_by":"0"},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/meizstairs.com\/fr\" title=\"Home\">Home<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/meizstairs.com\/fr\/category\/staircase-and-railing-blog\/\" title=\"Blog\">Blog<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/meizstairs.com\/fr\/category\/staircase-and-railing-blog\/staircase-and-railing-product-process\/\" title=\"Product Process\">Product Process<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/meizstairs.com\/fr\/category\/staircase-and-railing-blog\/staircase-and-railing-product-process\/staircase-and-railing-main-frame\/\" title=\"Staircase and Railing Main Frame\">Staircase and Railing Main Frame<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\tUltimate Guide to Metal Stringers for Stairs Thickness\n<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/meizstairs.com\/fr"},{"label":"Blog","link":"https:\/\/meizstairs.com\/fr\/category\/staircase-and-railing-blog\/"},{"label":"Product Process","link":"https:\/\/meizstairs.com\/fr\/category\/staircase-and-railing-blog\/staircase-and-railing-product-process\/"},{"label":"Staircase and Railing Main Frame","link":"https:\/\/meizstairs.com\/fr\/category\/staircase-and-railing-blog\/staircase-and-railing-product-process\/staircase-and-railing-main-frame\/"},{"label":"Ultimate Guide to Metal Stringers for Stairs 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