{"id":1138,"date":"2026-06-05T03:02:25","date_gmt":"2026-06-05T03:02:25","guid":{"rendered":"https:\/\/123alu.com\/blog\/?p=1138"},"modified":"2026-06-05T03:02:25","modified_gmt":"2026-06-05T03:02:25","slug":"%f0%9f%aa%9f-reglementation-thermique-123alu-3","status":"publish","type":"post","link":"https:\/\/123alu.com\/blog\/%f0%9f%aa%9f-reglementation-thermique-123alu-3\/","title":{"rendered":"[\ud83e\ude9f] R\u00e9glementation thermique \u2014 123Alu"},"content":{"rendered":"
<\/div>\n

\ud83e\ude9f R\u00e9glementation thermique pour vos menuiseries aluminium : ce que vous devez savoir<\/h1>\n

Pourquoi la r\u00e9glementation thermique concerne-t-elle vos fen\u00eatres ?<\/h2>\n

En tant que menuisier aluminium depuis 20 ans, je rencontre r\u00e9guli\u00e8rement des propri\u00e9taires surpris par les exigences thermiques lors de leurs travaux de r\u00e9novation. La r\u00e9glementation thermique, qu’il s’agisse de la RT 2012, de la RE 2020 en m\u00e9tropole ou des adaptations sp\u00e9cifiques aux DOM-TOM, impose des performances pr\u00e9cises \u00e0 vos menuiseries. Ces normes ne sont pas de simples contraintes administratives : elles garantissent votre confort, r\u00e9duisent vos factures \u00e9nerg\u00e9tiques et valorisent votre patrimoine.<\/p>\n

Les coefficients thermiques \u00e0 comprendre absolument<\/h2>\n

Trois indicateurs d\u00e9terminent la performance thermique de vos fen\u00eatres aluminium :<\/p>\n

Le coefficient Uw<\/strong> mesure l’isolation globale de la fen\u00eatre (cadre + vitrage). Plus il est bas, meilleure est l’isolation. En m\u00e9tropole, la RE 2020 exige un Uw \u2264 1,4 W\/m\u00b2.K pour les fen\u00eatres.<\/p>\n

Le coefficient Sw<\/strong> indique la capacit\u00e9 \u00e0 laisser passer l’\u00e9nergie solaire. Aux Antilles, contrairement \u00e0 la m\u00e9tropole, nous recherchons un Sw faible (\u2264 0,25) pour limiter les apports solaires et r\u00e9duire les besoins de climatisation.<\/p>\n

Le coefficient TLw<\/strong> mesure la transmission lumineuse. L’objectif : maximiser la lumi\u00e8re naturelle tout en contr\u00f4lant la chaleur, particuli\u00e8rement crucial sous nos latitudes tropicales.<\/p>\n

Solutions aluminium : performances compar\u00e9es<\/h2>\n

Aluminium \u00e0 rupture de pont thermique<\/strong> : Cette technologie ins\u00e8re une barrette isolante entre les faces int\u00e9rieure et ext\u00e9rieure du profil\u00e9. Performance : Uw entre 1,2 et 1,6 W\/m\u00b2.K selon le vitrage.<\/p>\n

Double vitrage performant<\/strong> : Indispensable, m\u00eame en climat tropical. Un double vitrage \u00e0 isolation renforc\u00e9e (VIR) avec argon atteint des performances Uw de 1,1 W\/m\u00b2.K.<\/p>\n

Triple vitrage<\/strong> : Rarement justifi\u00e9 aux Antilles o\u00f9 la priorit\u00e9 est la protection solaire plut\u00f4t que l’isolation thermique pure. Le surco\u00fbt n’est g\u00e9n\u00e9ralement pas rentabilis\u00e9.<\/p>\n

Vitrages \u00e0 contr\u00f4le solaire<\/strong> : Solution optimale pour notre climat. Ces verres s\u00e9lectifs bloquent jusqu’\u00e0 80% de l’\u00e9nergie solaire tout en pr\u00e9servant la luminosit\u00e9.<\/p>\n

Comment choisir selon votre situation ?<\/h2>\n

Orientation de vos ouvertures<\/strong> : Privil\u00e9giez les verres \u00e0 contr\u00f4le solaire renforc\u00e9 c\u00f4t\u00e9 sud et ouest. Les fa\u00e7ades nord peuvent accepter des vitrages plus neutres.<\/p>\n

Pr\u00e9sence de climatisation<\/strong> : Si votre logement est climatis\u00e9, investissez prioritairement dans des vitrages performants. L’\u00e9conomie d’\u00e9nergie justifiera rapidement le surco\u00fbt.<\/p>\n

Type de b\u00e2timent<\/strong> : Construction neuve, extension ou r\u00e9novation lourde d\u00e9clenchent l’application de la r\u00e9glementation. Une simple r\u00e9fection peut parfois \u00e9chapper aux exigences selon les surfaces concern\u00e9es.<\/p>\n

Aides disponibles<\/strong> : V\u00e9rifiez votre \u00e9ligibilit\u00e9 aux dispositifs d’aide (MaPrimeR\u00e9nov’, CEE) qui peuvent conditionner certaines performances minimales.<\/p>\n

Budget \u00e0 pr\u00e9voir pour la conformit\u00e9<\/h2>\n

Pour des fen\u00eatres aluminium conformes aux exigences thermiques :<\/p>\n

    \n
  • Fen\u00eatre standard 1,20\u00d71,40m : 450-650\u20ac (double vitrage classique)<\/li>\n
  • M\u00eame dimension, vitrage \u00e0 contr\u00f4le solaire : 550-750\u20ac<\/li>\n
  • Baie vitr\u00e9e coulissante 2,40\u00d72,15m : 1200-1800\u20ac selon les performances<\/li>\n<\/ul>\n

    Le surco\u00fbt pour atteindre les performances r\u00e9glementaires repr\u00e9sente g\u00e9n\u00e9ralement 15 \u00e0 25% par rapport \u00e0 une menuiserie standard.<\/p>\n

    Mon conseil pratique<\/h2>\n

    Ne subissez pas la r\u00e9glementation, utilisez-la ! Ces exigences vous orientent vers des solutions qui am\u00e9lioreront r\u00e9ellement votre confort quotidien. Aux Antilles, une fen\u00eatre bien choisie peut r\u00e9duire vos besoins de climatisation de 20 \u00e0 30%. Anticipez ces contraintes d\u00e8s la conception de votre projet et sollicitez les attestations thermiques n\u00e9cessaires avant le d\u00e9but des travaux.<\/p>\n

    <\/div>\n","protected":false},"excerpt":{"rendered":"

    \ud83e\ude9f R\u00e9glementation thermique pour vos menuiseries aluminium : ce que vous devez savoir Pourquoi la r\u00e9glementation thermique concerne-t-elle vos fen\u00eatres […]<\/p>\n","protected":false},"author":2,"featured_media":1139,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[13],"tags":[],"class_list":["post-1138","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite"],"_links":{"self":[{"href":"https:\/\/123alu.com\/blog\/wp-json\/wp\/v2\/posts\/1138","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/123alu.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/123alu.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/123alu.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/123alu.com\/blog\/wp-json\/wp\/v2\/comments?post=1138"}],"version-history":[{"count":1,"href":"https:\/\/123alu.com\/blog\/wp-json\/wp\/v2\/posts\/1138\/revisions"}],"predecessor-version":[{"id":1140,"href":"https:\/\/123alu.com\/blog\/wp-json\/wp\/v2\/posts\/1138\/revisions\/1140"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/123alu.com\/blog\/wp-json\/wp\/v2\/media\/1139"}],"wp:attachment":[{"href":"https:\/\/123alu.com\/blog\/wp-json\/wp\/v2\/media?parent=1138"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/123alu.com\/blog\/wp-json\/wp\/v2\/categories?post=1138"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/123alu.com\/blog\/wp-json\/wp\/v2\/tags?post=1138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}