{"id":88787,"date":"2015-07-23T14:43:18","date_gmt":"2015-07-23T12:43:18","guid":{"rendered":"http:\/\/batijournal.com\/?p=88787"},"modified":"2019-07-15T12:48:09","modified_gmt":"2019-07-15T10:48:09","slug":"renovation-des-systemes-ite-durabilite-et-esthetique-retrouvees","status":"publish","type":"post","link":"https:\/\/batijournal.com\/index.php\/renovation-des-systemes-ite-durabilite-et-esthetique-retrouvees\/88787\/","title":{"rendered":"R\u00e9novation des syst\u00e8mes ITE\u00a0: durabilit\u00e9 et esth\u00e9tique retrouv\u00e9es"},"content":{"rendered":"<h2>Mis en \u0153uvre au si\u00e8cle dernier, les premiers complexes d\u2019isolation thermique par l\u2019ext\u00e9rieur (ITE) passent par la case r\u00e9novation. Simple entretien ou r\u00e9fection lourde avec l\u2019option surisolation, les objectifs sont les m\u00eames : requalification esth\u00e9tique et performance thermique.<\/h2>\n<div id=\"attachment_88780\" style=\"width: 310px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-88780\" class=\"size-medium wp-image-88780\" src=\"https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/Ouverture-ITE-Tollens-300x279.jpg\" alt=\"La surisolation permet, sans d\u00e9pose de l\u2019ancien syst\u00e8me, de renforcer l\u2019isolation, p\u00e9rennisant ainsi l\u2019investissement initial du ma\u00eetre d\u2019ouvrage (ancienne isolation). Photo\u00a0: Tollens\" width=\"300\" height=\"279\" srcset=\"https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/Ouverture-ITE-Tollens-300x279.jpg 300w, https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/Ouverture-ITE-Tollens-150x140.jpg 150w, https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/Ouverture-ITE-Tollens.jpg 516w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-88780\" class=\"wp-caption-text\">La surisolation permet, sans d\u00e9pose de l\u2019ancien syst\u00e8me, de renforcer l\u2019isolation, p\u00e9rennisant ainsi l\u2019investissement initial du ma\u00eetre d\u2019ouvrage (ancienne isolation). Photo\u00a0: Tollens<\/p><\/div>\n<p>Un isolant \u2013 en g\u00e9n\u00e9ral du poly\u00adstyr\u00e8ne expans\u00e9 (PSE) sur cinq \u00e0 six\u00a0centim\u00e8tres d\u2019\u00e9paisseur\u00a0\u2013 et un rev\u00eatement \u00e9pais ou semi-\u00e9pais (RPE, RSE). Voil\u00e0 \u00e0 quoi se r\u00e9sumaient les premi\u00e8res isolations thermiques par l\u2019ext\u00e9rieur. Mises en \u0153uvre d\u00e8s la fin des ann\u00e9es\u00a070, apr\u00e8s le premier\u00a0choc p\u00e9trolier, elles concernaient majoritairement les logements sociaux, tr\u00e8s \u00e9nergivores. Ces proc\u00e9d\u00e9s offrent une bonne tenue dans le temps \u2013\u00a0dix \u00e0 vingt\u00a0ans\u00a0\u2013 et un bon comportement, \u00e0 condition qu\u2019ils aient \u00e9t\u00e9 pos\u00e9s correctement. D\u2019o\u00f9 une r\u00e9novation de ces syst\u00e8mes engag\u00e9e d\u00e8s la fin des ann\u00e9es\u00a090.<\/p>\n<p><span style=\"color: #ff0000;\"><strong>R\u00e9novation\u00a0: trois\u00a0\u00e9tapes obligatoires<\/strong><\/span><br \/>\nCes travaux sont, bien entendu, encadr\u00e9s par les r\u00e8gles professionnelles Etics (External Thermal Insulation Composite System), qui ont subi une refonte en 2004, visant \u00e0 fixer les diff\u00e9rentes phases d\u2019une r\u00e9novation des syst\u00e8mes d\u2019ITE. Soit trois\u00a0\u00e9tapes incontournables\u00a0: diagnostic du support, identification du type d\u2019intervention requis (entretien ou r\u00e9vocation), mise en \u0153uvre de la solution adapt\u00e9e.<\/p>\n<p>\u00c0 titre d\u2019exemple, les travaux d\u2019entretien, qui redonneront au parement de l\u2019ITE son aspect d\u2019origine, seront clairement identifi\u00e9s, et ce avant le nettoyage et la d\u00e9contamination en bonne et due forme. Tout aussi clairement formalis\u00e9e, l\u2019utilisation des rev\u00eatements de type semi-\u00e9pais ou \u00e9pais (&gt; 400\u2009\u03bc) qui, outre leur dimension d\u00e9corative, s\u2019av\u00e8rent pertinents pour corriger certains d\u00e9fauts de l\u2019ITE existante et lui restituer ses qualit\u00e9s d\u2019origine.<br \/>\nSans oublier les travaux plus lourds\u00a0: carottage, reconstruction, refixation ou bien pelage du sandwich (sous-enduit tram\u00e9 et sa finition), puis reconstitution sur l\u2019isolant existant. Selon les pathologies identifi\u00e9es, on dispose donc de toute une batterie d\u2019interventions qui redonneront \u00e0 la fa\u00e7ade sa jeunesse.<\/p>\n<p><span style=\"color: #ff0000;\"><strong>Surisolation, la quatri\u00e8me voie<\/strong> <\/span><\/p>\n<div id=\"attachment_88782\" style=\"width: 310px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-88782\" class=\"size-medium wp-image-88782\" src=\"https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/Photo-2-ITE-Manuel-Panaget-300x200.jpg\" alt=\"L\u2019\u00e9paisseur totale (syst\u00e8me existant + nouveau syst\u00e8me) ne doit pas d\u00e9passer 300\u2009mm. Photo\u00a0: Manuel Panagenet\" width=\"300\" height=\"200\" srcset=\"https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/Photo-2-ITE-Manuel-Panaget-300x200.jpg 300w, https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/Photo-2-ITE-Manuel-Panaget-150x100.jpg 150w, https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/Photo-2-ITE-Manuel-Panaget-600x400.jpg 600w, https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/Photo-2-ITE-Manuel-Panaget.jpg 720w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-88782\" class=\"wp-caption-text\">L\u2019\u00e9paisseur totale (syst\u00e8me existant + nouveau syst\u00e8me) ne doit pas d\u00e9passer 300\u2009mm. Photo\u00a0: Manuel Panagenet<\/p><\/div>\n<p>\u00c0 ce dispositif d\u2019intervention s\u2019ajoute une quatri\u00e8me\u00a0voie, intimement li\u00e9e \u00e0 la performance thermique des b\u00e2timents, une donn\u00e9e aujourd\u2019hui incontournable. En guise de r\u00e9novation de l\u2019ITE, on proc\u00e8de au renforcement de l\u2019isolation du b\u00e2timent via la mise en \u0153uvre d\u2019une surisolation, puis d\u2019une finition sur le syst\u00e8me existant. Une d\u00e9marche qui rel\u00e8ve du bon sens\u00a0: autant profiter d\u2019une r\u00e9novation pour renforcer l\u2019isolation du b\u00e2timent. C\u2019est une option que d\u2019aucuns pensent devoir proposer syst\u00e9matiquement. Cette nouvelle isolation, qui combine l\u2019ancienne et la nouvelle ITE, donne la possibilit\u00e9 d\u2019atteindre, sans probl\u00e8me, des performances compatibles BBC \u2013\u00a0si c\u2019est le souhait bien s\u00fbr du ma\u00eetre d\u2019ouvrage. Formalis\u00e9 par les r\u00e8gles\u00a0Etics, ce type de r\u00e9novation d\u2019une ITE \u2013\u00a0la plus pouss\u00e9e\u00a0\u2013 ne doit pas exc\u00e9der une \u00e9paisseur totale de 300\u2009mm. Pour donner un exemple qui prend valeur d\u2019argument, les r\u00e9sistances thermiques obtenues avec une surisolation constitu\u00e9e d\u2019un polystyr\u00e8ne graphite sont sup\u00e9rieures \u00e0 9\u2009m2.K\/W.<\/p>\n<p><strong><span style=\"color: #ff0000;\">Pose cal\u00e9e-chevill\u00e9e<\/span><\/strong><\/p>\n<div id=\"attachment_88785\" style=\"width: 210px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-88785\" class=\"size-medium wp-image-88785\" src=\"https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/Photo-encadre-1-ITE-STO-200x300.jpg\" alt=\"Le chevillage des plaques est r\u00e9alis\u00e9 \u00e0 travers l\u2019ancien syst\u00e8me. Les nouvelles chevilles viennent s\u2019ancrer dans le support, resolidarisant l\u2019ancienne ITE par la m\u00eame occasion. Photo\u00a0: Sto\" width=\"200\" height=\"300\" srcset=\"https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/Photo-encadre-1-ITE-STO-200x300.jpg 200w, https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/Photo-encadre-1-ITE-STO-100x150.jpg 100w, https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/Photo-encadre-1-ITE-STO.jpg 320w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><p id=\"caption-attachment-88785\" class=\"wp-caption-text\">Le chevillage des plaques est r\u00e9alis\u00e9 \u00e0 travers l\u2019ancien syst\u00e8me. Les nouvelles chevilles viennent s\u2019ancrer dans le support, resolidarisant l\u2019ancienne ITE par la m\u00eame occasion. Photo\u00a0: Sto<\/p><\/div>\n<p>Et les produits qui s\u2019adressent plus particuli\u00e8rement \u00e0 la surisolation s\u2019apparentent \u00e0 ceux d\u00e9di\u00e9s au neuf, associant un syst\u00e8me d\u2019isolation et une finition RPE, enduit monocouche ou autre. La principale diff\u00e9rence r\u00e9side dans l\u2019obligation d\u2019effectuer une reconnaissance d\u00e9taill\u00e9e de l\u2019existant \u2013\u00a0il s\u2019agit de d\u00e9terminer avec exactitude la compatibilit\u00e9 du support et de l\u2019ITE en place avec une surisolation. Si pour les chantiers inf\u00e9rieurs \u00e0 250\u2009m2 l\u2019entreprise peut mener elle-m\u00eame cette reconnaissance, \u00e9ventuellement \u00e9paul\u00e9e par un fabricant, seul un organisme agr\u00e9\u00e9 ind\u00e9pendant est habilit\u00e9, en revanche, \u00e0 le faire pour tout chantier sup\u00e9rieur \u00e0 250\u2009m2.<\/p>\n<p>Sur le plan technique, la mise en \u0153uvre d\u2019une surisolation en r\u00e9novation n\u2019est pas fondamentalement diff\u00e9rente de celle d\u2019un syst\u00e8me neuf. Cela dit, quelques points sont \u00e0 prendre en compte, notamment en termes d\u2019accroche\u00a0: pour obtenir une accroche en bonne et due forme, le nouveau complexe isolant doit \u00eatre fix\u00e9 m\u00e9caniquement au support ma\u00e7onn\u00e9. Traduction\u00a0: les chevilles de fixation doivent traverser les deux\u00a0isolants, le nouveau et l\u2019ancien. Autre diff\u00e9rence \u00e0 observer\u00a0: l\u2019obligation \u2013\u00a0les textes de r\u00e9f\u00e9rence l\u2019exigent\u00a0\u2013 de r\u00e9aliser un collage en plein des nouveaux panneaux isolants sur l\u2019ancien syst\u00e8me. Avec ce mode de pose dit \u00ab\u00a0cal\u00e9-fix\u00e9\u00a0\u00bb ou \u00ab\u00a0cal\u00e9-chevill\u00e9\u00a0\u00bb, on s\u2019assure du calage des panneaux isolants, voire du rattrapage des niveaux, la fixation m\u00e9canique permettant de s\u2019affranchir des ph\u00e9nom\u00e8nes li\u00e9s \u00e0 la dilatation et des contraintes li\u00e9es au b\u00e2ti ancien.<\/p>\n<p>En outre, la conservation en place de l\u2019ancien syst\u00e8me r\u00e9duit, de fait, les d\u00e9chets de chantier, ainsi que les nuisances, sonores ou autres.<br \/>\n<span style=\"color: #808080;\"><strong>St\u00e9phane Miget<\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.kiosque21.com\/anciens-numeros-5-facades\/2751-5-facades-115.html\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-88822 size-thumbnail\" src=\"https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/5-facades-1151-150x150.jpg\" alt=\"5-facades-115\" width=\"150\" height=\"150\" srcset=\"https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/5-facades-1151-150x150.jpg 150w, https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/5-facades-1151-300x300.jpg 300w, https:\/\/batijournal.com\/wp-content\/uploads\/2015\/07\/5-facades-1151.jpg 458w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.kiosque21.com\/anciens-numeros-5-facades\/2751-5-facades-115.html\" target=\"_blank\" rel=\"noopener noreferrer\">D\u00e9couvrez tout le dossier dans le magazine 5 fa\u00e7ades n\u00b0115<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mis en \u0153uvre au si\u00e8cle dernier, les premiers complexes d\u2019isolation thermique par l\u2019ext\u00e9rieur (ITE) passent par la case r\u00e9novation. Simple entretien ou r\u00e9fection lourde avec l\u2019option surisolation, les objectifs sont les m\u00eames : requalification esth\u00e9tique et performance thermique. Un isolant \u2013 en g\u00e9n\u00e9ral du poly\u00adstyr\u00e8ne expans\u00e9 (PSE) sur cinq \u00e0 six\u00a0centim\u00e8tres d\u2019\u00e9paisseur\u00a0\u2013 et un rev\u00eatement [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":88783,"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":[10736,10530,6351],"tags":[70],"class_list":["post-88787","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-la-une","category-actualites","category-energie-environnement","tag-ite"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>R\u00e9novation des syst\u00e8mes ITE\u00a0: durabilit\u00e9 et esth\u00e9tique retrouv\u00e9es<\/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\/renovation-des-systemes-ite-durabilite-et-esthetique-retrouvees\/88787\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00e9novation des syst\u00e8mes ITE\u00a0: durabilit\u00e9 et esth\u00e9tique retrouv\u00e9es\" \/>\n<meta property=\"og:description\" content=\"Mis en \u0153uvre au si\u00e8cle dernier, les premiers complexes d\u2019isolation thermique par l\u2019ext\u00e9rieur (ITE) passent par la case r\u00e9novation. Simple entretien ou r\u00e9fection lourde avec l\u2019option surisolation, les objectifs sont les m\u00eames : requalification esth\u00e9tique et performance thermique. 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