{"id":9239,"date":"2023-05-16T15:04:40","date_gmt":"2023-05-16T13:04:40","guid":{"rendered":"https:\/\/www.sepalumic.com\/re-2020-2\/"},"modified":"2025-09-17T17:40:41","modified_gmt":"2025-09-17T15:40:41","slug":"re-2020-2","status":"publish","type":"page","link":"https:\/\/www.sepalumic.com\/en\/re-2020-2\/","title":{"rendered":"RE 2020"},"content":{"rendered":"

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OBJECTIFS BATIMENTS \u00c0 \u00c9NERGIE POSITIVE
ET SOBRI\u00c9T\u00c9 \u00c9NERG\u00c9TIQUE<\/h1>\n

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COMPRENDRE LA RE 2020<\/h2>\n

A la suite de la convention sur le climat de Paris, la RT2012 est remplac\u00e9e par la RE2020 au 1er janvier 2022, dans la lign\u00e9e des r\u00e9glementations pr\u00e9c\u00e9dentes, la RE2020 conserve donc un objectif fort de r\u00e9duction des consommations \u00e9nerg\u00e9tiques des constructions neuves.<\/p>\n

Plus exigent que la RT2012, en particulier sur la performance de l\u2019isolation quel que soit le mode de chauffage install\u00e9, gr\u00e2ce au renforcement de l\u2019indicateur de besoin bioclimatique (Bbio). La RE2020 repose sur une transformation progressive des techniques de construction, des fili\u00e8res industrielles et des solutions \u00e9nerg\u00e9tiques, afin de ma\u00eetriser les co\u00fbts de construction, les ressources et leurs impacts, tout en garantissant la mont\u00e9e en comp\u00e9tence des acteurs du b\u00e2timent.<\/p>\n

Globalement la RE2020 sera plus exigeante que la RT2012<\/p>\n

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Diminuer l’impact carbone des b\u00e2timents<\/h3>\n

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Utiliser des modes constructifs qui \u00e9mettent peu de gaz \u00e0 effet de serre, ou qui permettent d\u2019en stocker, comme les mat\u00e9riaux biosourc\u00e9s (bois, li\u00e8ge, paille, ouate de cellulose..) et des modes de construction respectant l\u2019environnement.<\/p>\n

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R\u00e9duire les consommations d’\u00e9nergie<\/h3>\n

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Poursuivre l\u2019am\u00e9lioration des performances \u00e9nerg\u00e9tiques et la baisse des consommations des b\u00e2timents neufs. Favorisez la consommation de sources d\u2019\u00e9nergie durable et allez vers des constructions plus vertes avec un bilan carbone n\u00e9gatif.<\/p>\n

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Garantir une fraicheur de l’habitat en \u00e9t\u00e9<\/h3>\n

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L\u2019ensemble des constructions doivent pouvoir garantir \u00abun confort d\u2019\u00e9t\u00e9\u00bb, avec une isolation et une conception permettant aux b\u00e2timents de r\u00e9sister \u00e0 des chaleurs caniculaires.<\/p>\n

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Contrairement \u00e0 la RT2012 Pour la premi\u00e8re fois la RE 2020 prend en compte l\u2019ensemble du cycle de vie des b\u00e2timents et leur l\u2019empreinte carbone.<\/h3>\n

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De l\u2019extraction des mati\u00e8res premi\u00e8res jusqu\u2019\u00e0 la d\u00e9construction et revalorisation de l\u2019ensemble des d\u00e9chets \u00e9mit par le b\u00e2timent.<\/p>\n

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Les dates d’entr\u00e9e en vigueur de la RE2020<\/span><\/h2>\n

Un calendrier progressif<\/span><\/h3>\n

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01\/01\/2022 : Logements individuels et collectifs<\/span><\/p>\n

Pour tous les permis de construire ou aux d\u00e9clarations pr\u00e9alables d\u00e9pos\u00e9es \u00e0 compter du 1er janvier 2022.<\/span>
Les r\u00e9sidences de tourisme disposant d’un local de sommeil, d’une cuisine et de sanitaires.<\/span><\/p>\n

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01\/07\/2022 : Tertiaire<\/span><\/p>\n

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Construction de b\u00e2timents ou parties de b\u00e2timents de bureaux ou d’enseignement primaire ou secondaire qui font l’objet d’une demande de permis de construire ou d’une d\u00e9claration pr\u00e9alable d\u00e9pos\u00e9e \u00e0 compter du 1er juillet 2022.<\/span>
Construction des parcs de stationnement associ\u00e9s \u00e0 ces b\u00e2timents.<\/span><\/p>\n

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01\/01\/2023 : Petits b\u00e2timents et petites extensions de b\u00e2timents existants<\/span><\/p>\n

Les constructions de b\u00e2timents d’une surface inf\u00e9rieure \u00e0 50m\u00b2 et les extensions de b\u00e2timents d’une surface inf\u00e9rieure \u00e0 150m\u00b2 sont exon\u00e9r\u00e9es du respect de la RE2020 jusqu’au 31 d\u00e9cembre 2022. Ils y seront soumis \u00e0 partir du 1er janvier 2023, mais les ministres concern\u00e9s peuvent, par arr\u00eat\u00e9s, d\u00e9finir d’autres exigences pour ces petites surfaces.<\/span><\/p>\n

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L’exigence sepalumic<\/h2>\n

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Fen\u00eatres, baies vitr\u00e9es, mais aussi portes d\u2019entr\u00e9e ont un r\u00f4le \u00e0 jouer pour respecter la RE2020. Ces menuiseries contribuent notamment \u00e0 am\u00e9liorer l\u2019isolation thermique de l\u2019habitat d’hiver comme d’\u00e9t\u00e9 , ce qui entraine une baisse des consommations \u00e9nerg\u00e9tiques. Sepalumic propose des syst\u00e8mes de menuiseries adapt\u00e9s et con\u00e7us pour r\u00e9pondre aux exigences de la RE2020.<\/p>\n

Pour ce faire Sepalumic fabricant de menuiseries alu<\/a><\/span> dispose d\u2019un laboratoire d\u2019essai in situ pour tester la r\u00e9sistance de nos syst\u00e8mes face aux intemp\u00e9ries. Ce laboratoire permet de r\u00e9aliser des classifications AEV (Air, Eau, Vent), l\u2019\u00e9tanch\u00e9it\u00e9 \u00e0 l\u2019air \u00e9tant essentielle pour la RE2020.<\/p>\n

La plupart de nos syst\u00e8mes de menuiseries atteignent aujourd\u2019hui la valeur maximale de A*4, garante de la qualit\u00e9 de conception de nos produits.<\/p>\n

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Pour identifier une fen\u00eatre r\u00e9pondant aux normes RE2020,
il est important de comprendre les caract\u00e9ristiques produits.<\/p>\n

D\u00c9PERDITION THERMIQUE FAIBLE<\/h3>\n

L\u2019\u00e9nergie perdue par m2, ou Uw : plus le coefficient Uw est faible, plus la fen\u00eatre est isolante. Uw <= 0,0 W\/m2K.<\/p>\n

RAYONNEMENT SOLAIRE MAITRIS\u00c9<\/h3>\n

Le facteur solaire Sw indique la quantit\u00e9 de chaleur solaire transmise \u00e0 l\u2019int\u00e9rieur du local \u00e0 travers une paroi vitr\u00e9e. Il doit \u00eatre le plus \u00e9lev\u00e9 possible en hiver (diminution des besoins de chauffage) et le plus faible en \u00e9t\u00e9 (am\u00e9lioration confort thermique).<\/p>\n

Sw >= 00 (Cela signifie qu\u2019au moins la moiti\u00e9 de la chaleur du soleil doit p\u00e9n\u00e9trer \u00e0 l\u2019int\u00e9rieur du logement.)<\/p>\n

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Engag\u00e9s, nous contr\u00f4lons \u00e0 chaque \u00e9tape de la production la durabilit\u00e9 et la responsabilit\u00e9 de nos produits et de nos actions.<\/em><\/p>\n<\/blockquote>\n

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CALCUL DES IMPACTS DU B\u00c2TIMENT<\/span><\/h2>\n

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Ic<\/strong> composants + Ic<\/strong> \u00e9nergie + Ic<\/strong> chantier + Ic<\/strong> eau = Ic<\/strong> b\u00e2timent*<\/span><\/h1>\n

*Impact sur le changement environnemental du b\u00e2timent – Unit\u00e9 : kg \u00e9q CO2\/m\u00b2 de SHAB ou SU<\/span><\/p>\n

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La performance \u00e9nerg\u00e9tique<\/h2>\n

Comme la RT2012, la RE2020 poursuit l\u2019am\u00e9lioration de la performance \u00e9nerg\u00e9tique et la baisse des consommations \u00e9nerg\u00e9tiques des b\u00e2timents neufs, avec une volont\u00e9 de r\u00e9duire significativement les besoins de chauffage, de froid et d’\u00e9clairage artificiel.<\/p>\n

Indicateur de performance Energie : Besoins bioclimatiques avec un renforcement de 30% par rapport \u00e0 la RT2012<\/p>\n