{"id":113418,"date":"2026-04-21T13:25:04","date_gmt":"2026-04-21T11:25:04","guid":{"rendered":"https:\/\/batijournal.com\/?p=113418"},"modified":"2026-04-21T17:50:07","modified_gmt":"2026-04-21T15:50:07","slug":"interview-coat-ing-lite-legere-a-lepreuve-du-reel","status":"publish","type":"post","link":"https:\/\/batijournal.com\/index.php\/interview-coat-ing-lite-legere-a-lepreuve-du-reel\/113418\/","title":{"rendered":"Interview : Coat-ing, l\u2019ITE l\u00e9g\u00e8re \u00e0 l\u2019\u00e9preuve du r\u00e9el"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-113420 aligncenter\" src=\"https:\/\/batijournal.com\/wp-content\/uploads\/2026\/04\/coat-ing_001_apres_rue-scaled.jpeg\" alt=\"\" width=\"603\" height=\"452\" \/><\/p>\n<p><em>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 apre\u0300s, c\u00f4t\u00e9 rue \u00a9Coat-ing<\/em><\/p>\n<p><strong>Avec la livraison de son premier d\u00e9monstrateur \u00e0 Pont-\u00e0<\/strong><strong>-Vendin (62), la start-up Coat-ing valide sa solution d<\/strong><strong>\u2019<\/strong><strong>ITE l<\/strong><strong>\u00e9g<\/strong><strong>\u00e8<\/strong><strong>re. Bas carbone, traitant simultan\u00e9ment fa\u00e7ades et menuiseries, le syst<\/strong><strong>\u00e8<\/strong><strong>me repose sur une combinaison r\u00e9duite de mat\u00e9riaux et introduit une approche radicalement diff\u00e9<\/strong><strong>rente de la r<\/strong><strong>\u00e9novation thermique. Particularit\u00e9 du projet pont-\u00e0-vendinois, la fa\u00e7ade est aussi support d&rsquo;une \u0153uvre de l<\/strong><strong>\u2019<\/strong><strong>artiste Alexandra Prajer.<\/strong><\/p>\n<p>Pauline Bellec, co-fondatrice de Coat-ing avec Robert-Jan Van Santen, CEO du BE fa\u00e7ades VS_A, revient sur les enseignements de ce premier chantier grandeur nature. Propos recueilli par St\u00e9phane Miget<\/p>\n<p><strong>Vous venez de livrer votre premier d\u00e9monstrateur \u00e0 Pont-\u00e0-Vendin (62). Que valide ce chantier ?<\/strong><strong><br \/>\n<\/strong>Ce chantier valide d\u2019abord que le proc\u00e9d\u00e9 que nous avons d\u00e9velopp\u00e9, coat-ing, fonctionne en conditions r\u00e9elles et en site occup\u00e9. On parle d\u2019une maison individuelle d\u2019environ 60 m\u00b2 de fa\u00e7ade, avec parties opaques et vitr\u00e9es trait\u00e9es simultan\u00e9ment, des menuiseries conserv\u00e9es et d\u2019autres remplac\u00e9es. Toutes les probl\u00e9matiques impr\u00e9vues ont trouv\u00e9 une r\u00e9solution. Cela confirme que le proc\u00e9d\u00e9 est viable, et n&rsquo;est pas seulement un concept. C\u2019\u00e9tait une exp\u00e9rience hors norme, aussi \u00e9prouvante qu\u2019exaltante. On a d\u00e9couvert en m\u00eame temps les r\u00e9alit\u00e9s du chantier et les subtilit\u00e9s techniques du syst\u00e8me.<\/p>\n<p><strong>Votre solution repose sur trois mat\u00e9riaux seulement. Pourquoi ce choix ?<\/strong><strong><br \/>\n<\/strong>Parce que la complexit\u00e9 actuelle des syst\u00e8mes d\u2019ITE est un frein. Nous avons volontairement r\u00e9duit \u00e0 l\u2019essentiel : une toile de fa\u00e7ade microperfor\u00e9e pr\u00e9contrainte, des profil\u00e9s aluminium et un isolant biosourc\u00e9 en vrac, du li\u00e8ge expans\u00e9. Ce choix permet de simplifier la mise en \u0153uvre, d\u2019all\u00e9ger le syst\u00e8me et de limiter les contraintes sur l\u2019existant. On n\u2019est plus dans une accumulation de couches, mais dans une logique plus directe, plus lisible.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-113421\" src=\"https:\/\/batijournal.com\/wp-content\/uploads\/2026\/04\/coat-ing_001_pose_cadres-scaled.jpg\" alt=\"\" width=\"394\" height=\"296\" \/><\/p>\n<p><em>pose de cadres \u00a9Coat-ing<\/em><\/p>\n<p><strong>Quel changement de regard cherchez-vous \u00e0 provoquer ?<\/strong><strong><br \/>\n<\/strong>Les syst\u00e8mes d\u2019ITE n\u2019ont jamais \u00e9volu\u00e9 de mani\u00e8re profonde. Ils suivent tous les m\u00eames principes et se heurtent aux m\u00eames limites. On leur demande pourtant d\u2019\u00eatre performants, bas carbone, adaptables, l\u00e9gers et \u00e9conomiques. Avec notre proc\u00e9d\u00e9, nous nous sommes affranchis de ce qui existe. Le bardage est pos\u00e9 avant l\u2019isolant, la menuiserie est int\u00e9gr\u00e9e au process, et l\u2019isolant en vrac permet de lever de nombreuses contraintes. C\u2019est un changement de paradigme. On ne cherche pas \u00e0 am\u00e9liorer un syst\u00e8me existant, mais \u00e0 le repenser.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-113422\" src=\"https:\/\/batijournal.com\/wp-content\/uploads\/2026\/04\/coat-ing_001_insuflation_liege-scaled.jpg\" alt=\"\" width=\"398\" height=\"298\" \/><\/p>\n<p><em>Insuflation du liege \u00a9Coat-ing<\/em><\/p>\n<p><strong>La r\u00e9<\/strong><strong>versibilit<\/strong><strong>\u00e9 est au c\u0153ur de votre approche. Qu<\/strong><strong>\u2019<\/strong><strong>apporte-t-elle concr<\/strong><strong>\u00e8<\/strong><strong>tement ?<\/strong><strong><br \/>\n<\/strong>Elle a \u00e9t\u00e9 test\u00e9e lors de la d\u00e9pose d\u2019un prototype : aucune d\u00e9gradation de la fa\u00e7ade existante. Le li\u00e8ge a \u00e9t\u00e9 enti\u00e8rement r\u00e9utilis\u00e9. C\u2019est fondamental. Le li\u00e8ge est biosourc\u00e9, imputrescible, il ne se d\u00e9grade pas. On peut le r\u00e9utiliser d\u2019un chantier \u00e0 l\u2019autre. Cela ouvre une logique circulaire tr\u00e8s concr\u00e8te. Cela permet aussi d\u2019imaginer d\u2019autres usages, comme l\u2019urbanisme transitoire : r\u00e9nover \u00e0 faible co\u00fbt des b\u00e2timents pour une dur\u00e9e limit\u00e9e, tout en capitalisant la mati\u00e8re.<\/p>\n<p><strong>Votre syst\u00e8me associe pr\u00e9fabrication et adaptation in situ. Comment cela se traduit-il ?<\/strong><br \/>\nLe hors-site est une bonne id\u00e9e, mais en r\u00e9novation, l\u2019existant pose probl\u00e8me : les tol\u00e9rances ne sont pas celles du neuf. Ce que montre le d\u00e9monstrateur, c\u2019est que la souplesse du syst\u00e8me absorbe ces \u00e9carts. La pr\u00e9fabrication des cadres impose de la pr\u00e9cision, mais l\u2019installation ne demande pas de travailler au millim\u00e8tre. La compl\u00e9mentarit\u00e9 entre hors-site et in situ est tr\u00e8s efficace. Elle permet d\u2019acc\u00e9l\u00e9rer la pose, notamment des menuiseries, qui deviennent partie int\u00e9grante de la structure. Cela change aussi les interactions entre entreprises.<\/p>\n<p><strong>Quel r<\/strong><strong>\u00f4le a jou\u00e9 l<\/strong><strong>\u2019<\/strong><strong>entreprise Cabre dans cette phase de d\u00e9monstration ?<\/strong><strong><br \/>\n<\/strong>Cabre est pr\u00e9sente depuis les premi\u00e8res r\u00e9flexions. Ce n\u2019est pas un partenaire classique. Elle a particip\u00e9 \u00e0 la conception, au prototypage, \u00e0 la formation, puis \u00e0 la mise en \u0153uvre. Le chantier a permis d\u2019appr\u00e9hender des probl\u00e9matiques techniques qu\u2019on n\u2019avait pas forc\u00e9ment anticip\u00e9es. Mais surtout, il a confirm\u00e9 que le syst\u00e8me est viable sur le terrain. Ce type de collaboration entre concepteurs et poseurs est essentiel.<\/p>\n<p><strong>La fa<\/strong><strong>\u00e7ade est aussi, dans le cas pr\u00e9sent, un support d<\/strong><strong>\u2019<\/strong><strong>une \u0153uvre artistique. Pourquoi cette dimension ?<\/strong><strong><br \/>\n<\/strong>La r\u00e9novation \u00e9nerg\u00e9tique est souvent per\u00e7ue comme neutre, voire subie. Nous pensons qu\u2019elle peut devenir un acte architectural et artistique. Sur ce d\u00e9monstrateur, la toile imprim\u00e9e reprend une \u0153uvre originale de l\u2019artiste Alexandra Prajer, intitul\u00e9e \u00ab graines derri\u00e8re la fen\u00eatre \u00bb, adapt\u00e9e aux proportions de la fa\u00e7ade et \u00e0 la pr\u00e9sence des ouvertures. Le cadre de fen\u00eatre est un premier marqueur esth\u00e9tique, la toile en est un second. Aujourd\u2019hui, imprimer une fa\u00e7ade ne change ni le d\u00e9tail ni le co\u00fbt. Cela permet d\u2019ancrer le b\u00e2timent dans son environnement et de cr\u00e9er de l\u2019adh\u00e9sion. L\u2019esth\u00e9tique est un levier.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-113423\" src=\"https:\/\/batijournal.com\/wp-content\/uploads\/2026\/04\/coat-ing_001_pose_toile_alexandra-scaled.jpg\" alt=\"\" width=\"385\" height=\"289\" \/><\/p>\n<p><em>Pose de la toile en fa\u00e7ade \u00a9Coat-ing<\/em><\/p>\n<p><strong>Ce premier d\u00e9monstrateur marque-t-il une entr\u00e9e sur le march\u00e9 <\/strong><strong>?<\/strong><strong><br \/>\n<\/strong>Oui. Deux ans de R&amp;D aboutissent \u00e0 une solution qui atteint un niveau de maturit\u00e9 avanc\u00e9. Tous les composants disposent d\u2019une garantie d\u00e9cennale. Nous entrons dans une phase de commercialisation. L\u2019objectif est de d\u00e9montrer que l\u2019on peut proposer une ITE l\u00e9g\u00e8re, bas carbone, \u00e9conomique, rapide \u00e0 poser\u2026 et esth\u00e9tique. Notre objectif est vraiment de proposer une alternative cr\u00e9dible. Une solution plus simple, plus l\u00e9g\u00e8re, plus adaptable, qui r\u00e9pond aux enjeux environnementaux actuels sans complexifier les chantiers. Et surtout, montrer qu\u2019on peut changer de regard sur la r\u00e9novation : la rendre plus rapide, plus accessible, et aussi plus d\u00e9sirable.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Avec la livraison de son premier d\u00e9monstrateur \u00e0 Pont-\u00e0-Vendin (62), la start-up Coat-ing valide sa solution d\u2019ITE l\u00e9g\u00e8re. Bas carbone, traitant simultan\u00e9ment fa\u00e7ades et menuiseries, le syst\u00e8me repose sur une combinaison r\u00e9duite de mat\u00e9riaux et introduit une approche radicalement diff\u00e9rente de la r\u00e9novation thermique. Particularit\u00e9 du projet pont-\u00e0-vendinois, la fa\u00e7ade est aussi support d&rsquo;une \u0153uvre de l\u2019artiste Alexandra Prajer.<\/p>\n","protected":false},"author":17,"featured_media":113419,"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":[10736,6340],"tags":[],"class_list":["post-113418","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-la-une","category-architecture-conception"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Interview : Coat-ing, l\u2019ITE l\u00e9g\u00e8re \u00e0 l\u2019\u00e9preuve du r\u00e9el<\/title>\n<meta name=\"description\" content=\"Avec la livraison de son premier d\u00e9monstrateur \u00e0 Pont-\u00e0-Vendin (62), la start-up Coat-ing valide sa solution d\u2019ITE l\u00e9g\u00e8re. Bas carbone, traitant simultan\u00e9ment fa\u00e7ades et menuiseries, le syst\u00e8me repose sur une combinaison r\u00e9duite de mat\u00e9riaux et introduit une approche radicalement diff\u00e9rente de la r\u00e9novation thermique. 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