{"id":113035,"date":"2026-02-12T13:32:24","date_gmt":"2026-02-12T12:32:24","guid":{"rendered":"https:\/\/batijournal.com\/?p=113035"},"modified":"2026-02-12T13:32:24","modified_gmt":"2026-02-12T12:32:24","slug":"a-rennes-de-laluminium-recycle-technal-pour-reduire-lempreinte-carbone","status":"publish","type":"post","link":"https:\/\/batijournal.com\/index.php\/a-rennes-de-laluminium-recycle-technal-pour-reduire-lempreinte-carbone\/113035\/","title":{"rendered":"\u00c0 Rennes, de l\u2019aluminium recycl\u00e9 Technal pour r\u00e9duire l&#8217;empreinte carbone"},"content":{"rendered":"<p><strong>Le programme mixte La Ruche, en cours de construction \u00e0 Rennes, int\u00e8gre 12,5 tonnes d\u2019aluminium recycl\u00e9 Hydro Circal 100R afin de limiter ses \u00e9missions de CO\u2082.<\/strong><\/p>\n<p>C\u2019est un programme qui doit aller au-del\u00e0 des exigences environnementales de la RE2020. Situ\u00e9e \u00e0 Rennes, La Ruche s\u2019\u00e9tend sur quelque 21 300 m\u00b2. Un programme mixte, associant espaces tertiaires, services mutualis\u00e9s, v\u00e9g\u00e9talisation\u2026 Date de livraison pr\u00e9vue ? Fin 2026.<\/p>\n<p>Pour l\u2019heure, les travaux se poursuivent en suivant une strat\u00e9gie de sobri\u00e9t\u00e9 visant \u00e0 limiter l\u2019impact carbone, avec pour objectif l\u2019obtention de la certification BREEAM et du label BiodiverCity.<\/p>\n<h2>166 tonnes de CO\u2082 \u00e9vit\u00e9es<\/h2>\n<p>Parmi les mesures prises pour y parvenir, l\u2019emploi de menuiseries con\u00e7ues par Technal en aluminium recycl\u00e9 Hydro Circal 100R. Fabriqu\u00e9 au Luxembourg, \u00e0 100 % \u00e0 partir de vieilles menuiseries ou de fa\u00e7ades en aluminium issues de chantiers de d\u00e9construction, son empreinte carbone est proche de z\u00e9ro, \u00e0 en croire Technal (0,417 kg de CO\u2082e\/kg d\u2019aluminium en moyenne). \u00c0 titre de comparaison, la production d\u20191 kg d\u2019aluminium g\u00e9n\u00e8re entre 6 et 10 kg de CO\u2082 selon les sources.<\/p>\n<p>Ce chantier est men\u00e9 par le partenaire de Technal, le fabricant-installateur de menuiseries ALU RENNAIS. Ce sont 12,5 tonnes d\u2019aluminium qui ont \u00e9t\u00e9 employ\u00e9es, pour une \u00e9conomie d\u2019environ 116 tonnes de CO\u2082. \u00c0 sa charge, la fabrication de 500 ensembles compos\u00e9s (L. 5,40 m x H. 2,10 m en majorit\u00e9) et de murs-rideaux (trame L. 1,35 m x H. 4,25 m), filant du rez-de-chauss\u00e9e au premier \u00e9tage.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le programme mixte La Ruche, en cours de construction \u00e0 Rennes, int\u00e8gre 12,5 tonnes d\u2019aluminium recycl\u00e9 Hydro Circal 100R afin de limiter ses \u00e9missions de CO\u2082.<\/p>\n","protected":false},"author":1,"featured_media":113037,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[10736,10530],"tags":[],"class_list":["post-113035","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-la-une","category-actualites"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00c0 Rennes, de l\u2019aluminium recycl\u00e9 Technal pour r\u00e9duire l&#039;empreinte carbone<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/batijournal.com\/index.php\/a-rennes-de-laluminium-recycle-technal-pour-reduire-lempreinte-carbone\/113035\/\" \/>\n<meta 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