{"id":13883,"date":"2026-06-18T07:51:17","date_gmt":"2026-06-18T07:51:17","guid":{"rendered":"https:\/\/www.weloop.org\/?p=13883"},"modified":"2026-06-18T14:06:47","modified_gmt":"2026-06-18T14:06:47","slug":"the-preparatory-work-around-the-revision-of-en-15804-building-a-consensus-for-the-epds-of-tomorrow","status":"publish","type":"post","link":"https:\/\/www.weloop.org\/en\/le-travail-preparatoire-autour-de-la-revision-de-en-15804-construire-un-consensus-pour-les-epd-de-demain\/","title":{"rendered":"Preparatory work on EN 15804: building a consensus for the EPDs of tomorrow."},"content":{"rendered":"<style>.kb-row-layout-id13883_b5eef7-30 > .kt-row-column-wrap{align-content:center;}:where(.kb-row-layout-id13883_b5eef7-30 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:center;}.kb-row-layout-id13883_b5eef7-30 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);max-width:1100px;margin-left:auto;margin-right:auto;padding-top:var(--global-kb-spacing-lg, 3rem);padding-bottom:var(--global-kb-spacing-md, 2rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id13883_b5eef7-30 > .kt-row-layout-overlay{opacity:1;background-color:var(--nv-dark-bg);}@media all and (max-width: 1024px){.kb-row-layout-id13883_b5eef7-30 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id13883_b5eef7-30 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id13883_b5eef7-30 alignfull kt-row-has-bg wp-block-kadence-rowlayout\"><div class=\"kt-row-layout-overlay kt-row-overlay-normal\"><\/div><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-middle\">\n<style>.kadence-column13883_3d0cac-9a > .kt-inside-inner-col,.kadence-column13883_3d0cac-9a > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column13883_3d0cac-9a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column13883_3d0cac-9a > .kt-inside-inner-col{flex-direction:column;}.kadence-column13883_3d0cac-9a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column13883_3d0cac-9a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column13883_3d0cac-9a{position:relative;}@media all and (max-width: 1024px){.kadence-column13883_3d0cac-9a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column13883_3d0cac-9a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column13883_3d0cac-9a\"><div class=\"kt-inside-inner-col\">\n<h1 class=\"wp-block-heading has-text-align-center has-nv-text-dark-bg-color has-text-color has-link-color wp-elements-a6029160e4bef780f896a17ce76a9856\" id=\"h-le-travail-preparatoire-autour-de-la-revision-de-l-en-15804-construire-un-consensus-pour-les-epd-de-demain\" style=\"border-style:none;border-width:0px;padding-top:var(--wp--preset--spacing--40);padding-right:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--40);padding-left:var(--wp--preset--spacing--50)\"><strong>Le travail pr\u00e9paratoire autour de la r\u00e9vision de l\u2019EN 15804 : construire un consensus pour les EPD de demain<\/strong><\/h1>\n\n\n\n<p class=\"has-text-align-center has-nv-site-bg-color has-text-color has-link-color wp-elements-089b8d4592228a090757b857f5e48d81 wp-block-paragraph\"><em><strong>Naeem Adibi <\/strong><\/em><\/p>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019EN 15804 constitue aujourd\u2019hui <strong>le socle m\u00e9thodologique des D\u00e9clarations Environnementales de Produits (EPD)<\/strong> dans le secteur de la construction. Elle permet de garantir une approche harmonis\u00e9e pour l\u2019\u00e9valuation et la communication des performances environnementales des produits de construction \u00e0 travers l\u2019Europe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Face \u00e0 l\u2019\u00e9volution rapide du cadre r\u00e9glementaire europ\u00e9en, au d\u00e9veloppement de l\u2019\u00e9conomie circulaire et aux nouvelles attentes du march\u00e9 en mati\u00e8re de durabilit\u00e9,<strong> un travail pr\u00e9paratoire important de la norme est actuellement en cours<\/strong>. Ceci ne vise pas simplement \u00e0 mettre \u00e0 jour quelques exigences techniques ; elle cherche \u00e0 <strong>adapter l\u2019ensemble du cadre m\u00e9thodologique aux enjeux qui fa\u00e7onneront le secteur de la construction dans les prochaines d\u00e9cennies.<\/strong><\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-un-point-de-convergence-entre-plusieurs-initiatives-europeennes\" class=\"wp-block-heading\">Un point de convergence entre plusieurs initiatives europ\u00e9ennes<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Pour comprendre le travail pr\u00e9paratoire de la r\u00e9vision de l&rsquo;EN 15804, il faut d&rsquo;abord comprendre qu&rsquo;elle ne se d\u00e9roule pas dans un environnement isol\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aujourd&rsquo;hui, plusieurs initiatives europ\u00e9ennes avancent simultan\u00e9ment sur les questions d&rsquo;\u00e9valuation environnementale des produits de construction. D&rsquo;un c\u00f4t\u00e9, <strong>le nouveau Construction Products Regulation (CPR)<\/strong> red\u00e9finit les exigences r\u00e9glementaires applicables aux produits de construction. En parall\u00e8le, <strong>les travaux autour du Product Environmental Footprint (PEF)<\/strong> poursuivent leur d\u00e9veloppement afin d&rsquo;harmoniser les m\u00e9thodes d&rsquo;\u00e9valuation environnementale \u00e0 l&rsquo;\u00e9chelle europ\u00e9enne. D&rsquo;autres initiatives concernent les normes d&rsquo;\u00e9valuation des b\u00e2timents, les infrastructures, les futures bases de donn\u00e9es environnementales europ\u00e9ennes, les exigences des organismes notifi\u00e9s ou encore les r\u00e8gles sectorielles de cat\u00e9gories de produits (c-PCR).<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-f64669d5 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/06\/figures-2-1-1024x576.png ,https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/06\/figures-2-1.png 780w, https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/06\/figures-2-1.png 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/06\/figures-2-1-1024x576.png\" alt=\"\" class=\"uag-image-13894\" width=\"1920\" height=\"1080\" title=\"figures (2)\" loading=\"lazy\" role=\"img\"\/><figcaption class=\"uagb-image-caption\">Adapt\u00e9 de CEN 350 WG3<\/figcaption><\/figure><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;EN 15804 se trouve aujourd&rsquo;hui au croisement de tous ces travaux. Chaque initiative poss\u00e8de ses propres objectifs, son vocabulaire et parfois m\u00eame <strong>ses propres approches m\u00e9thodologiques.<\/strong> L&rsquo;un des grands d\u00e9fis du travail pr\u00e9paratoire consiste donc \u00e0 <strong>rapprocher ces diff\u00e9rents univers afin de construire un cadre coh\u00e9rent pour les EPD de demain.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette situation explique pourquoi certains sujets avancent progressivement et n\u00e9cessitent des discussions approfondies. Au-del\u00e0 du travail pr\u00e9paratoire d&rsquo;une norme, il s&rsquo;agit en r\u00e9alit\u00e9 d&rsquo;un<strong> travail de convergence entre plusieurs cadres techniques et r\u00e9glementaires<\/strong> qui \u00e9volueront encore au cours des prochaines ann\u00e9es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;objectif final est de parvenir \u00e0 une meilleure harmonisation entre les diff\u00e9rents r\u00e9f\u00e9rentiels europ\u00e9ens afin que les fabricants, les utilisateurs d&rsquo;EPD, les organismes de v\u00e9rification et les autorit\u00e9s publiques puissent s&rsquo;appuyer sur <strong>des r\u00e8gles coh\u00e9rentes et largement reconnues.<\/strong><\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-un-travail-preparatoire-de-la-revision-structuree-autour-de-plusieurs-thematiques-cles\" class=\"wp-block-heading\">Un travail pr\u00e9paratoire de la r\u00e9vision structur\u00e9e autour de plusieurs th\u00e9matiques cl\u00e9s<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Le travail pr\u00e9paratoire de r\u00e9vision  s\u2019appuie sur plusieurs groupes de travail sp\u00e9cialis\u00e9s, chacun charg\u00e9 d\u2019examiner un domaine particulier de la norme. Cette organisation refl\u00e8te la diversit\u00e9 des sujets concern\u00e9s et la n\u00e9cessit\u00e9 de faire converger des visions parfois diff\u00e9rentes au sein de la communaut\u00e9 europ\u00e9enne des EPD.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les travaux portent notamment sur :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>l\u2019harmonisation des d\u00e9finitions ;<\/li>\n\n\n\n<li>les sc\u00e9narios de fin de vie ;<\/li>\n\n\n\n<li>la dur\u00e9e de vie de r\u00e9f\u00e9rence des produits ;<\/li>\n\n\n\n<li>les mat\u00e9riaux secondaires et l\u2019\u00e9conomie circulaire ;<\/li>\n\n\n\n<li>les indicateurs environnementaux compl\u00e9mentaires ;<\/li>\n\n\n\n<li>la qualit\u00e9 des donn\u00e9es ;<\/li>\n\n\n\n<li>la documentation, la v\u00e9rification et la digitalisation des EPD.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019objectif est de garantir que les futures EPD restent comparables, robustes et adapt\u00e9es aux nouveaux besoins du march\u00e9.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-d07cb32b wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/06\/figures-4-1024x576.png ,https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/06\/figures-4.png 780w, https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/06\/figures-4.png 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/www.weloop.org\/wp-content\/uploads\/2026\/06\/figures-4-1024x576.png\" alt=\"\" class=\"uag-image-13892\" width=\"1500\" height=\"800\" title=\"figures (4)\" loading=\"lazy\" role=\"img\"\/><figcaption class=\"uagb-image-caption\">Adapt\u00e9 de CEN 350 WG3<\/figcaption><\/figure><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-l-economie-circulaire-au-centre-des-reflexions\" class=\"wp-block-heading\">L\u2019\u00e9conomie circulaire au centre des r\u00e9flexions<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019un des principaux moteurs de ce travail pr\u00e9paratoire est la volont\u00e9 de mieux int\u00e9grer les principes de l\u2019\u00e9conomie circulaire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aujourd\u2019hui, les EPD permettent d\u00e9j\u00e0 d\u2019\u00e9valuer les impacts environnementaux d\u2019un produit tout au long de son cycle de vie. Toutefois, les acteurs du secteur souhaitent \u00e9galement <strong>mieux comprendre comment un produit contribue \u00e0 la pr\u00e9servation des ressources, \u00e0 la r\u00e9utilisation des mat\u00e9riaux et \u00e0 la r\u00e9duction des d\u00e9chets.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les discussions actuelles s\u2019int\u00e9ressent donc \u00e0 la mani\u00e8re de repr\u00e9senter plus fid\u00e8lement les flux de mati\u00e8res secondaires, le recyclage, le r\u00e9emploi et la conservation de la valeur des mat\u00e9riaux au fil du temps.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette \u00e9volution est essentielle car la circularit\u00e9 devient progressivement un crit\u00e8re aussi important que les impacts environnementaux traditionnels.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-repenser-les-scenarios-de-fin-de-vie\" class=\"wp-block-heading\">Repenser les sc\u00e9narios de fin de vie<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Les sc\u00e9narios de fin de vie constituent<strong> l\u2019un des sujets les plus complexes du travail pr\u00e9paratoire.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les m\u00e9thodes actuelles permettent de mod\u00e9liser diff\u00e9rentes options telles que le recyclage, la valorisation \u00e9nerg\u00e9tique ou l\u2019\u00e9limination des d\u00e9chets. Cependant, plusieurs analyses ont montr\u00e9 que <strong>certaines approches peuvent conduire \u00e0 des incoh\u00e9rences lorsque l\u2019on compare diff\u00e9rents sc\u00e9narios th\u00e9oriques.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les travaux en cours cherchent \u00e0 <strong>am\u00e9liorer la coh\u00e9rence m\u00e9thodologique <\/strong>afin que les r\u00e9sultats obtenus refl\u00e8tent de mani\u00e8re plus fid\u00e8le les b\u00e9n\u00e9fices et les charges associ\u00e9s aux diff\u00e9rentes options de fin de vie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au-del\u00e0 des aspects techniques, ces discussions soul\u00e8vent une question plus large : <strong>comment valoriser correctement les b\u00e9n\u00e9fices de l\u2019\u00e9conomie circulaire dans les EPD sans compromettre leur comparabilit\u00e9 ?<\/strong><\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-mieux-prendre-en-compte-la-duree-de-vie-des-produits\" class=\"wp-block-heading\">Mieux prendre en compte la dur\u00e9e de vie des produits<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">La dur\u00e9e de vie des produits est un autre sujet majeur du travail pr\u00e9paratoire. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans une perspective de durabilit\u00e9, un produit con\u00e7u pour durer longtemps peut<strong> pr\u00e9senter des avantages significatifs par rapport \u00e0 un produit n\u00e9cessitant des remplacements fr\u00e9quents.<\/strong> Pourtant, la mani\u00e8re dont cette dur\u00e9e de vie est actuellement prise en compte reste parfois <strong>h\u00e9t\u00e9rog\u00e8ne selon les familles de produits.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les travaux visent donc \u00e0 d\u00e9finir des r\u00e8gles plus harmonis\u00e9es permettant de relier les performances de durabilit\u00e9 des produits aux \u00e9valuations environnementales. Cette \u00e9volution devrait \u00e9galement am\u00e9liorer la coh\u00e9rence entre les \u00e9valuations r\u00e9alis\u00e9es au niveau du produit et celles r\u00e9alis\u00e9es au niveau du b\u00e2timent.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-harmoniser-les-definitions-a-l-echelle-europeenne\" class=\"wp-block-heading\">Harmoniser les d\u00e9finitions \u00e0 l\u2019\u00e9chelle europ\u00e9enne<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Le travail pr\u00e9paratoire de r\u00e9vision met \u00e9galement en \u00e9vidence un besoin important d\u2019harmonisation terminologique.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au fil des ann\u00e9es, plusieurs normes europ\u00e9ennes ont introduit des concepts similaires mais parfois d\u00e9finis diff\u00e9remment. Des notions telles que les mat\u00e9riaux secondaires, la circularit\u00e9, le cycle de vie ou encore la fin du statut de d\u00e9chet ne sont pas toujours d\u00e9crites de mani\u00e8re identique selon les documents de r\u00e9f\u00e9rence.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019un des objectifs du travail pr\u00e9paratoire est donc de <strong>construire un langage commun permettant d\u2019assurer une meilleure coh\u00e9rence entre les diff\u00e9rentes normes europ\u00e9ennes li\u00e9es \u00e0 la durabilit\u00e9 de la construction.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette harmonisation constitue une \u00e9tape essentielle pour faciliter<strong> l\u2019interpr\u00e9tation des EPD et renforcer leur cr\u00e9dibilit\u00e9 aupr\u00e8s des utilisateurs.<\/strong><\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-vers-de-nouveaux-indicateurs-sur-l-utilisation-des-ressources\" class=\"wp-block-heading\">Vers de nouveaux indicateurs sur l\u2019utilisation des ressources<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Les discussions portent \u00e9galement sur l\u2019opportunit\u00e9 d\u2019introduire de nouveaux indicateurs afin de mieux repr\u00e9senter l\u2019utilisation des ressources naturelles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les indicateurs actuels d<strong>\u00e9crivent efficacement les impacts environnementaux tels que le changement climatique ou la consommation d\u2019\u00e9nergie.<\/strong> En revanche, plusieurs acteurs estiment qu\u2019ils ne permettent pas toujours de visualiser clairement les quantit\u00e9s de mati\u00e8res premi\u00e8res mobilis\u00e9es tout au long du cycle de vie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans ce contexte, des r\u00e9flexions sont engag\u00e9es sur<strong> la possibilit\u00e9 d\u2019ajouter des indicateurs compl\u00e9mentaires d\u00e9di\u00e9s aux flux de mati\u00e8res et \u00e0 l\u2019efficacit\u00e9 des ressources.<\/strong> Une telle \u00e9volution renforcerait la capacit\u00e9 des EPD \u00e0 r\u00e9pondre aux objectifs europ\u00e9ens de pr\u00e9servation des ressources et de circularit\u00e9.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-un-impact-majeur-pour-les-programmes-operateurs-epd\" class=\"wp-block-heading\">Un impact majeur pour les programmes op\u00e9rateurs EPD<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Au-del\u00e0 des \u00e9volutions m\u00e9thodologiques, le future travail pr\u00e9paratoire de l\u2019EN 15804 aura \u00e9galement des <strong>cons\u00e9quences importantes pour l\u2019ensemble des programmes op\u00e9rateurs d\u2019EPD en Europe<\/strong>, tels qu\u2019INIES, IBU, EPD Norge, EPD Italy, B-EPD ou encore International EPD System. Historiquement, chaque travail pr\u00e9paratoire majeure de l\u2019EN 15804 a n\u00e9cessit\u00e9 une adaptation des r\u00e8gles de programme, des proc\u00e9dures de v\u00e9rification, des formats de d\u00e9claration et parfois m\u00eame des plateformes num\u00e9riques utilis\u00e9es pour la publication des EPD.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La transition de l\u2019EN 15804+A1 vers l\u2019EN 15804+A2 en est un exemple marquant : elle a entra\u00een\u00e9 l\u2019introduction de nouveaux indicateurs environnementaux, la mise \u00e0 jour de milliers d\u2019EPD existantes, l\u2019\u00e9volution des outils ACV et une p\u00e9riode de coexistence entre anciennes et nouvelles d\u00e9clarations qui a dur\u00e9 plusieurs ann\u00e9es. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le futur pr\u00e9papratoire pourrait avoir un impact comparable, voire plus important, compte tenu des sujets actuellement discut\u00e9s : \u00e9conomie circulaire, mat\u00e9riaux secondaires, nouveaux indicateurs de ressources, qualit\u00e9 des donn\u00e9es, digitalisation et \u00e9volution potentielle des r\u00e8gles relatives au Module D. Les programmes op\u00e9rateurs suivent donc de pr\u00e8s ces travaux, car les choix m\u00e9thodologiques qui seront retenus <strong>influenceront directement les futures exigences applicables aux fabricants, aux v\u00e9rificateurs et aux utilisateurs d\u2019EPD \u00e0 travers toute l\u2019Europe.<\/strong><\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-un-processus-qui-necessitera-encore-plusieurs-annees\" class=\"wp-block-heading\">Un processus qui n\u00e9cessitera encore plusieurs ann\u00e9es<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Afin d\u2019\u00e9viter toute ambigu\u00eft\u00e9, il convient de pr\u00e9ciser que la norme EN 15804 n\u2019est actuellement pas en cours de r\u00e9vision. Il a en effet \u00e9t\u00e9 d\u00e9cid\u00e9, l\u2019ann\u00e9e derni\u00e8re, de ne pas engager de r\u00e9vision \u00e0 ce stade, <strong>afin de garantir une stabilit\u00e9 r\u00e9glementaire et m\u00e9thodologique \u00e0 l\u2019ensemble des acteurs du secteur.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le CEN\/TC 350 a n\u00e9anmoins engag\u00e9 des travaux pr\u00e9paratoires afin <strong>d\u2019anticiper la future demande de normalisation de la Commission europ\u00e9enne<\/strong>, attendue pour la fin de l\u2019ann\u00e9e 2027. Ces travaux visent \u00e0 pr\u00e9parer les futures discussions et \u00e0 identifier les principaux sujets qui devront \u00eatre trait\u00e9s lorsque le mandat sera officiellement lanc\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les questions li\u00e9es \u00e0 la circularit\u00e9, aux mat\u00e9riaux secondaires, aux sc\u00e9narios de fin de vie, \u00e0 la dur\u00e9e de vie des produits ou encore aux nouveaux indicateurs sont \u00e9troitement li\u00e9es et n\u00e9cessitent un important travail de coordination. Dans de nombreux cas, les discussions portent encore sur des sujets qui ne font pas l\u2019objet d\u2019un consensus au niveau europ\u00e9en.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans ce contexte, aucune nouvelle version de l\u2019EN 15804 n\u2019est attendue avant 2029-2030. Les travaux pr\u00e9paratoires engag\u00e9s d\u2019ici l\u00e0 devraient permettre de <strong>rapprocher les diff\u00e9rentes positions, de clarifier certains concepts cl\u00e9s et de consolider le cadre m\u00e9thodologique n\u00e9cessaire pour accompagner la transition du secteur de la construction<\/strong> vers une \u00e9conomie plus circulaire, plus transparente et plus durable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019enjeu est de pr\u00e9server le r\u00f4le de r\u00e9f\u00e9rence de l\u2019EN 15804 pour l\u2019\u00e9valuation environnementale des produits de construction tout en r\u00e9pondant aux d\u00e9fis \u00e9mergents de la prochaine d\u00e9cennie.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-anticiper-les-evolutions-des-referentiels-environnementaux-avec-weloop\" class=\"wp-block-heading\">Anticiper les \u00e9volutions des r\u00e9f\u00e9rentiels environnementaux avec WeLOOP<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-neve-link-hover-color-color has-alpha-channel-opacity has-neve-link-hover-color-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Les cadres m\u00e9thodologiques li\u00e9s \u00e0 l\u2019\u00e9valuation environnementale des produits \u00e9voluent r\u00e9guli\u00e8rement afin de mieux refl\u00e9ter les enjeux actuels de durabilit\u00e9, de transparence et de performance environnementale. Dans ce contexte, les entreprises industrielles et les fabricants doivent <strong>adapter leurs donn\u00e9es et leurs d\u00e9marches d\u2019\u00e9valuation pour garantir la fiabilit\u00e9 et la comparabilit\u00e9 de leurs r\u00e9sultats.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WeLOOP accompagne les organisations dans la <strong>r\u00e9alisation d\u2019ACV, la production d\u2019EPD et de FDES<\/strong>, ainsi que dans l\u2019analyse et l\u2019int\u00e9gration des \u00e9volutions m\u00e9thodologiques et r\u00e9glementaires. Gr\u00e2ce \u00e0 une expertise approfondie des r\u00e9f\u00e9rentiels europ\u00e9ens et des pratiques d\u2019\u00e9valuation du cycle de vie, nous aidons nos clients \u00e0 <strong>s\u00e9curiser leurs d\u00e9clarations environnementales, \u00e0 renforcer la qualit\u00e9 de leurs donn\u00e9es et \u00e0 structurer leurs d\u00e9marches dans une logique d\u2019am\u00e9lioration continue.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Que ce soit pour la cr\u00e9ation de nouvelles d\u00e9clarations environnementales ou la mise \u00e0 jour de documents existants, nos experts interviennent \u00e0 chaque \u00e9tape afin de <strong>garantir des r\u00e9sultats robustes, coh\u00e9rents et conformes aux exigences en vigueur.<\/strong><\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div\r\n    class=\"align wp-block-icb-cards\"    id=\"icbCards-1\"\r\n    data-attributes='{&quot;clientId&quot;:&quot;8eae4191-1408-4913-882a-cdb293b2d1e4&quot;,&quot;cards&quot;:[{&quot;background&quot;:{&quot;color&quot;:&quot;#fff&quot;},&quot;img&quot;:&quot;https:\\\/\\\/www.weloop.org\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/pexels-markus-winkler-1430818-10284048-scaled.jpg&quot;,&quot;title&quot;:&quot;R\\u00e9alisation FDES&quot;,&quot;desc&quot;:&quot;&quot;,&quot;btnLabal&quot;:&quot;&lt;strong&gt;Produire votre FDES&lt;\\\/strong&gt;&quot;,&quot;btnUrl&quot;:&quot;https:\\\/\\\/www.weloop.org\\\/declarations-environnementales\\\/fdes\\\/realisation\\\/&quot;,&quot;isBtn&quot;:true,&quot;cardUrl&quot;:&quot;&quot;},{&quot;background&quot;:{&quot;color&quot;:&quot;#fff&quot;},&quot;img&quot;:&quot;https:\\\/\\\/www.weloop.org\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Photo-valeurs-missions-2-etc-scaled.jpg&quot;,&quot;title&quot;:&quot;R\\u00e9alisation EPD &quot;,&quot;desc&quot;:&quot;&quot;,&quot;btnLabal&quot;:&quot;&lt;strong&gt;R\\u00e9aliser votre EPD &lt;\\\/strong&gt;&quot;,&quot;btnUrl&quot;:&quot;https:\\\/\\\/www.weloop.org\\\/declarations-environnementales\\\/epd\\\/realisation\\\/&quot;,&quot;isBtn&quot;:true,&quot;cardUrl&quot;:&quot;&quot;},{&quot;background&quot;:{&quot;color&quot;:&quot;#fff&quot;},&quot;img&quot;:&quot;https:\\\/\\\/www.weloop.org\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/anastassia-anufrieva-3yb7ZsaY0LY-unsplash-scaled.jpg&quot;,&quot;title&quot;:&quot;ACV - 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Get Meta Horizon OS for yourself or power up your entire team.&quot;,&quot;button&quot;:{&quot;text&quot;:&quot;Purchase a Meta Quest&quot;,&quot;link&quot;:&quot;#&quot;}},&quot;alignment&quot;:&quot;center&quot;,&quot;options&quot;:{&quot;isOpenInNewTab&quot;:true,&quot;isVariantShow&quot;:true,&quot;isButtonShow&quot;:true,&quot;isVisibleCircle&quot;:true,&quot;isTagShow&quot;:true,&quot;isNewTabOpen&quot;:true,&quot;isHoverRotated&quot;:true},&quot;hasCustomCSS&quot;:false,&quot;customCSS&quot;:&quot;&quot;,&quot;TrpContentRestriction&quot;:{&quot;restriction_type&quot;:&quot;exclude&quot;,&quot;selected_languages&quot;:[],&quot;panel_open&quot;:true},&quot;otterConditions&quot;:[]}'>\r\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le travail pr\u00e9paratoire autour de la r\u00e9vision de l\u2019EN 15804 : construire un consensus pour les EPD de demain Naeem Adibi L\u2019EN 15804 constitue aujourd\u2019hui le socle m\u00e9thodologique des D\u00e9clarations Environnementales de Produits (EPD) dans le secteur de la construction. Elle permet de garantir une approche harmonis\u00e9e pour l\u2019\u00e9valuation et la communication des performances environnementales&hellip;&nbsp;<\/p>\n<div class=\"read-more-wrapper\"><a href=\"https:\/\/www.weloop.org\/en\/le-travail-preparatoire-autour-de-la-revision-de-en-15804-construire-un-consensus-pour-les-epd-de-demain\/\" class=\"button button-primary\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Preparatory work on EN 15804: building a consensus for the EPDs of tomorrow.<\/span><\/a><\/div>","protected":false},"author":9,"featured_media":13916,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_themeisle_gutenberg_block_has_review":false,"_ti_tpc_template_sync":false,"_ti_tpc_template_id":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-13883","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>EN 15804 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