L'INFO

Chaux de construction : la norme NF EN 459 révisée

<p> <span data-scayt_word="Entrée" data-scaytid="21">Entr&eacute;e</span> en application le 22 mars 2012, la nouvelle <span data-scayt_word="norme" data-scaytid="22">norme</span> NF EN 459 <span data-scayt_word="“Chaux" data-scaytid="23">&ldquo;Chaux</span> de construction&rdquo; <span data-scayt_word="clarifie" data-scaytid="24">clarifie</span> les typologies de <span data-scayt_word="ces" data-scaytid="25">ces</span> <span data-scayt_word="produits" data-scaytid="26">produits</span> et <span data-scayt_word="reprécisent" data-scaytid="27">repr&eacute;cisent</span> les <span data-scayt_word="exigences" data-scaytid="28">exigences</span> <span data-scayt_word="auxquelles" data-scaytid="29">auxquelles</span> <span data-scayt_word="ils" data-scaytid="30">ils</span> <span data-scayt_word="doivent" data-scaytid="31">doivent</span> <span data-scayt_word="satisfaire" data-scaytid="32">satisfaire</span>, <span data-scayt_word="notamment" data-scaytid="33">notamment</span> le <span data-scayt_word="marquage" data-scaytid="34">marquage</span> CE. <span data-scayt_word="L’évolution" data-scaytid="35">L&rsquo;&eacute;volution</span> des techniques de la construction et du <span data-scayt_word="génie" data-scaytid="36">g&eacute;nie</span> civil a <span data-scayt_word="nécessité" data-scaytid="37">n&eacute;cessit&eacute;</span> <span data-scayt_word="une" data-scaytid="38">une</span> <span data-scayt_word="mise" data-scaytid="39">mise</span> <span data-scayt_word="à" data-scaytid="40">&agrave;</span> jour de la version <span data-scayt_word="d’octobre" data-scaytid="41">d&rsquo;octobre</span> 2002.</p>

07 janv. 2026 • 4 min • 1

13 projets immobiliers universitaires de Paris relancés

<p> La <span data-scayt_word="ministre" data-scaytid="1">ministre</span> de <span data-scayt_word="l'Enseignement" data-scaytid="2">l&#39;Enseignement</span> <span data-scayt_word="supérieur" data-scaytid="3">sup&eacute;rieur</span> <span data-scayt_word="Geneviève" data-scaytid="4">Genevi&egrave;ve</span> <span data-scayt_word="Fioraso" data-scaytid="5">Fioraso</span> a <span data-scayt_word="annoncé" data-scaytid="6">annonc&eacute;</span> la <span data-scayt_word="relance" data-scaytid="11">relance</span> pour la <span data-scayt_word="période" data-scaytid="12">p&eacute;riode</span> 2013-2018 des 13 <span data-scayt_word="projets" data-scaytid="13">projets</span> <span data-scayt_word="immobiliers" data-scaytid="14">immobiliers</span> <span data-scayt_word="universitaires" data-scaytid="15">universitaires</span> <span data-scayt_word="prévus" data-scaytid="16">pr&eacute;vus</span> par le plan Campus <span data-scayt_word="à" data-scaytid="9">&agrave;</span> Paris.</p>

07 janv. 2026 • 3 min

L'annonce du plan de rénovation des logements encore repoussée

<p> Les <span data-scayt_word="décisions" data-scaytid="1">d&eacute;cisions</span> <span data-scayt_word="sur" data-scaytid="2">sur</span> le plan de <span data-scayt_word="rénovation" data-scaytid="3">r&eacute;novation</span> <span data-scayt_word="énergétique" data-scaytid="4">&eacute;nerg&eacute;tique</span> des <span data-scayt_word="logements" data-scaytid="5">logements</span> <span data-scayt_word="seront" data-scaytid="6">seront</span> prises <span data-scayt_word="vers" data-scaytid="7">vers</span> la fin du <span data-scayt_word="mois" data-scaytid="8">mois</span>, <span data-scayt_word="selon" data-scaytid="9">selon</span> la <span data-scayt_word="ministre" data-scaytid="10">ministre</span> de <span data-scayt_word="l'Ecologie" data-scaytid="11">l&#39;Ecologie</span> et de <span data-scayt_word="l'Energie" data-scaytid="12">l&#39;Energie</span> <span data-scayt_word="alors" data-scaytid="13">alors</span> <span data-scayt_word="qu'elles" data-scaytid="14">qu&#39;elles</span> se font <span data-scayt_word="déjà" data-scaytid="15">d&eacute;j&agrave;</span> <span data-scayt_word="attendre" data-scaytid="16">attendre</span> <span data-scayt_word="depuis" data-scaytid="17">depuis</span> <span data-scayt_word="plusieurs" data-scaytid="18">plusieurs</span> <span data-scayt_word="semaines" data-scaytid="19">semaines</span>.</p>

07 janv. 2026 • 4 min

Schneider veut populariser l'efficacité énergétique

<p>Schneider <span data-scayt_word="organise" data-scaytid="1">organise</span> <span data-scayt_word="à" data-scaytid="2">&agrave;</span> <span data-scayt_word="partir" data-scaytid="4">partir</span> du 14 mars des <span data-scayt_word="réunions" data-scaytid="6">r&eacute;unions</span> <span data-scayt_word="sur" data-scaytid="7">sur</span> les <span data-scayt_word="économies" data-scaytid="9">&eacute;conomies</span> <span data-scayt_word="d'énergie" data-scaytid="10">d&#39;&eacute;nergie</span> <span data-scayt_word="dans" data-scaytid="11">dans</span> des <span data-scayt_word="villes" data-scaytid="13">villes</span> <span data-scayt_word="françaises" data-scaytid="14">fran&ccedil;aises</span> pour <span data-scayt_word="sensibiliser" data-scaytid="15">sensibiliser</span> le public <span data-scayt_word="à" data-scaytid="3">&agrave;</span> <span data-scayt_word="cette" data-scaytid="16">cette</span> question, <span data-scayt_word="dans" data-scaytid="12">dans</span> le cadre du <span data-scayt_word="débat" data-scaytid="17">d&eacute;bat</span> national <span data-scayt_word="sur" data-scaytid="8">sur</span> la transition <span data-scayt_word="énergétique" data-scaytid="1384">&eacute;nerg&eacute;tique</span>.</p>

07 janv. 2026 • 3 min

Toiture: les avantages de l'isolation par l'extérieur (page 3)

<p> &hellip;</p>

07 janv. 2026 • 2 min

Le Mipim se tiendra en Chine en 2014

<p> Le <span data-scayt_word="marché" data-scaytid="2">march&eacute;</span> international de <span data-scayt_word="l'immobilier" data-scaytid="3">l&#39;immobilier</span> <span data-scayt_word="d'entreprise" data-scaytid="4">d&#39;entreprise</span> qui se <span data-scayt_word="tient" data-scaytid="494">tient</span> <span data-scayt_word="à" data-scaytid="508">&agrave;</span> Cannes <span data-scayt_word="jusqu" data-scaytid="523">jusqu</span>&#39;<span data-scayt_word="à" data-scaytid="536">&agrave;</span> <span data-scayt_word="vendredi" data-scaytid="554">vendredi</span>, se <span data-scayt_word="déroulera" data-scaytid="5">d&eacute;roulera</span> pour la <span data-scayt_word="première" data-scaytid="6">premi&egrave;re</span> <span data-scayt_word="fois" data-scaytid="7">fois</span> en Chine <span data-scayt_word="continentale" data-scaytid="8">continentale</span>, <span data-scayt_word="à" data-scaytid="9">&agrave;</span> Shanghai en 2014.</p>

07 janv. 2026 • 1 min

L'éolien ralentit de 9% en 2012, le solaire de 39%

<p> Les nouveaux <span data-scayt_word="raccordements" data-scaytid="1">raccordements</span> de puissance <span data-scayt_word="électrique" data-scaytid="2">&eacute;lectrique</span> <span data-scayt_word="d'origine" data-scaytid="3">d&#39;origine</span> <span data-scayt_word="éolienne" data-scaytid="4">&eacute;olienne</span> et <span data-scayt_word="photovoltaïque" data-scaytid="5">photovolta&iuml;que</span> <span data-scayt_word="ont" data-scaytid="6">ont</span> <span data-scayt_word="ralenti" data-scaytid="7">ralenti</span> de 9% et 39% <span data-scayt_word="respectivement" data-scaytid="8">respectivement</span> en France en 2012, <span data-scayt_word="selon" data-scaytid="9">selon</span> les <span data-scayt_word="statistiques" data-scaytid="10">statistiques</span> du <span data-scayt_word="ministère" data-scaytid="11">minist&egrave;re</span> de <span data-scayt_word="l'Ecologie" data-scaytid="12">l&#39;Ecologie</span> et de <span data-scayt_word="l'énergie" data-scaytid="743">l&#39;&eacute;nergie</span>.</p>

07 janv. 2026 • 2 min

Les certificats d’économie d’énergie, une aubaine pour tous ?

<p> Les <span data-scayt_word="Certificats" data-scaytid="1">Certificats</span> <span data-scayt_word="d’Economies" data-scaytid="2">d&rsquo;Economies</span> <span data-scayt_word="d’Energie" data-scaytid="3">d&rsquo;Energie</span> (<span data-scayt_word="CEE" data-scaytid="4">CEE</span>) <span data-scayt_word="sont" data-scaytid="102">sont</span> <span data-scayt_word="favorablement" data-scaytid="5">favorablement</span> <span data-scayt_word="accueillis" data-scaytid="6">accueillis</span> par les <span data-scayt_word="particuliers" data-scaytid="7">particuliers</span> et les entrepreneurs qui se <span data-scayt_word="voient" data-scaytid="8">voient</span> <span data-scayt_word="confier" data-scaytid="9">confier</span> des <span data-scayt_word="travaux" data-scaytid="10">travaux</span>, <span data-scayt_word="selon" data-scaytid="11">selon</span> <span data-scayt_word="différentes" data-scaytid="12">diff&eacute;rentes</span> <span data-scayt_word="études" data-scaytid="13">&eacute;tudes</span>.</p>

07 janv. 2026 • 7 min • 1

Le plan de rénovation du bâtiment se fait attendre

<p> Attendu fin f&eacute;vrier, le plan gouvernemental de r&eacute;novation du b&acirc;timent est d&eacute;sormais attendu &quot;d&#39;ici quinze jours&quot;, selon une source minist&eacute;rielle.</p>

07 janv. 2026 • 2 min

Toiture: les avantages de l'isolation par l'extérieur

<p> <span data-scayt_word="L’isolation" data-scaytid="1">L&rsquo;isolation</span> de la <span data-scayt_word="toiture" data-scaytid="2">toiture</span> par <span data-scayt_word="l’extérieur" data-scaytid="3">l&rsquo;ext&eacute;rieur</span> <span data-scayt_word="permet" data-scaytid="4">permet</span> non <span data-scayt_word="seulement" data-scaytid="5">seulement</span> <span data-scayt_word="d’échapper" data-scaytid="6">d&rsquo;&eacute;chapper</span> <span data-scayt_word="à" data-scaytid="7">&agrave;</span> la <span data-scayt_word="dépose" data-scaytid="9">d&eacute;pose</span> des <span data-scayt_word="parements" data-scaytid="10">parements</span> de <span data-scayt_word="rampants" data-scaytid="11">rampants</span> et plafond pour <span data-scayt_word="pouvoir" data-scaytid="12">pouvoir</span> <span data-scayt_word="procéder" data-scaytid="13">proc&eacute;der</span> <span data-scayt_word="à" data-scaytid="8">&agrave;</span> <span data-scayt_word="l’isolation" data-scaytid="14">l&rsquo;isolation</span> de la <span data-scayt_word="charpente" data-scaytid="15">charpente</span>, <span data-scayt_word="mais" data-scaytid="16">mais</span> <span data-scayt_word="offre" data-scaytid="17">offre</span> <span data-scayt_word="aussi" data-scaytid="18">aussi</span> <span data-scayt_word="une" data-scaytid="19">une</span> isolation <span data-scayt_word="limitant" data-scaytid="20">limitant</span> les <span data-scayt_word="ponts" data-scaytid="21">ponts</span> <span data-scayt_word="thermiques" data-scaytid="22">thermiques</span>.</p>

07 janv. 2026 • 5 min • 3

Les réseaux de mandataires immobiliers se fédèrent

<p> Le premier <span data-scayt_word="syndicat" data-scaytid="1">syndicat</span> des <span data-scayt_word="réseaux" data-scaytid="2">r&eacute;seaux</span> de <span data-scayt_word="mandataires" data-scaytid="4">mandataires</span> en <span data-scayt_word="immobilier" data-scaytid="5">immobilier</span>, le <span data-scayt_word="Syremi" data-scaytid="297">Syremi</span>, <span data-scayt_word="vient" data-scaytid="8">vient</span> <span data-scayt_word="d'être" data-scaytid="9">d&#39;&ecirc;tre</span> <span data-scayt_word="lancé" data-scaytid="10">lanc&eacute;</span> par son <span data-scayt_word="président" data-scaytid="11">pr&eacute;sident</span> Jean <span data-scayt_word="Lavaupot" data-scaytid="12">Lavaupot</span>, <span data-scayt_word="fondateur" data-scaytid="13">fondateur</span> de <span data-scayt_word="l'un" data-scaytid="14">l&#39;un</span> de <span data-scayt_word="ces" data-scaytid="15">ces</span> <span data-scayt_word="réseaux" data-scaytid="3">r&eacute;seaux</span> <span data-scayt_word="megAgence" data-scaytid="16">megAgence</span>.</p>

07 janv. 2026 • 2 min • 2

Un contrat d’apprentissage peut il être requalifié en CDI ?

<p> Attention aux requalifications de contrats&nbsp;! La cour de cassation nous donne ici une belle d&eacute;monstration de prudence dans le cadre d&rsquo;un contrat d&rsquo;apprentissage.</p>

07 janv. 2026 • 2 min • 4

Les menuiseries en fin de vie se recyclent enfin !

<p> <span data-scayt_word="Paprec" data-scaytid="1">Paprec</span> Group, le <span data-scayt_word="Groupe" data-scaytid="2">Groupe</span> <span data-scayt_word="Lapeyre" data-scaytid="3">Lapeyre</span> et <span data-scayt_word="Saint-Gobain" data-scaytid="4">Saint-Gobain</span> Glass France <span data-scayt_word="créent" data-scaytid="5">cr&eacute;ent</span> <span data-scayt_word="une" data-scaytid="6">une</span> <span data-scayt_word="filière" data-scaytid="7">fili&egrave;re</span> <span data-scayt_word="industrielle" data-scaytid="8">industrielle</span> <span data-scayt_word="française" data-scaytid="9">fran&ccedil;aise</span> de <span data-scayt_word="recyclage" data-scaytid="10">recyclage</span> des <span data-scayt_word="menuiseries" data-scaytid="110">menuiseries</span> bois, <span data-scayt_word="alu" data-scaytid="231">alu</span> et PVC.</p>

07 janv. 2026 • 4 min • 1

Paris inaugure sa première HLM à énergie positive

<p> Paris a <span data-scayt_word="inauguré" data-scaytid="1">inaugur&eacute;</span> <span data-scayt_word="sa" data-scaytid="2">sa</span> <span data-scayt_word="première" data-scaytid="3">premi&egrave;re</span> <span data-scayt_word="HLM" data-scaytid="4">HLM</span> <span data-scayt_word="à" data-scaytid="5">&agrave;</span> <span data-scayt_word="énergie" data-scaytid="7">&eacute;nergie</span> positive, les <span data-scayt_word="panneaux" data-scaytid="8">panneaux</span> <span data-scayt_word="solaires" data-scaytid="9">solaires</span> <span data-scayt_word="sur" data-scaytid="10">sur</span> le <span data-scayt_word="toit" data-scaytid="11">toit</span> <span data-scayt_word="devant" data-scaytid="12">devant</span> <span data-scayt_word="produire" data-scaytid="13">produire</span> <span data-scayt_word="globalement" data-scaytid="14">globalement</span> <span data-scayt_word="davantage" data-scaytid="15">davantage</span> <span data-scayt_word="d'énergie" data-scaytid="16">d&#39;&eacute;nergie</span> <span data-scayt_word="que" data-scaytid="17">que</span> <span data-scayt_word="celle" data-scaytid="18">celle</span> <span data-scayt_word="nécessaire" data-scaytid="19">n&eacute;cessaire</span> <span data-scayt_word="à" data-scaytid="6">&agrave;</span> <span data-scayt_word="chauffer" data-scaytid="20">chauffer</span> et <span data-scayt_word="alimenter" data-scaytid="21">alimenter</span> en eau <span data-scayt_word="chaude" data-scaytid="22">chaude</span> les 17 <span data-scayt_word="logements" data-scaytid="23">logements</span>.</p>

07 janv. 2026 • 3 min

Etanchéité à l’air : maîtriser les grands principes (page 3)

<p> &hellip;</p>

07 janv. 2026 • 3 min

La ventilation double-flux s’adapte à la rénovation

<p> Le salon <span data-scayt_word="ISH" data-scaytid="1">ISH</span> de <span data-scayt_word="Francfort" data-scaytid="2">Francfort</span> a <span data-scayt_word="ouvert" data-scaytid="3">ouvert</span> <span data-scayt_word="ce" data-scaytid="4">ce</span> <span data-scayt_word="matin" data-scaytid="5">matin</span>, <span data-scayt_word="mardi" data-scaytid="6">mardi</span> 12 mars. <span data-scayt_word="Aujourd’hui" data-scaytid="7">Aujourd&rsquo;hui</span>, <span data-scayt_word="gros" data-scaytid="8">gros</span> plan <span data-scayt_word="sur" data-scaytid="9">sur</span> la ventilation et les <span data-scayt_word="systèmes" data-scaytid="12">syst&egrave;mes</span> double-flux <span data-scayt_word="avec" data-scaytid="13">avec</span> des solutions <span data-scayt_word="bien" data-scaytid="14">bien</span> <span data-scayt_word="adaptées" data-scaytid="15">adapt&eacute;es</span> au <span data-scayt_word="marché" data-scaytid="11">march&eacute;</span> de la <span data-scayt_word="rénovation" data-scaytid="16">r&eacute;novation</span> des <span data-scayt_word="logements" data-scaytid="17">logements</span>.</p>

07 janv. 2026 • 5 min • 3

Comment les majors du BTP résistent à la tourmente

<p> La crise &eacute;conomique et financi&egrave;re a &eacute;t&eacute; un choc extr&ecirc;mement violent pour le secteur du BTP. Cinq ans apr&egrave;s le d&eacute;but de la crise, o&ugrave; en sont les principaux groupes du secteur ? Une &eacute;tude fait le point.</p> <p> &copy;Fabienne Leroy</p>

07 janv. 2026 • 4 min

Batho s'engage pour le développement de la géothermie

<p> La <span data-scayt_word="ministre" data-scaytid="1">ministre</span> de <span data-scayt_word="l'Ecologie" data-scaytid="2">l&#39;Ecologie</span> et de <span data-scayt_word="l'Energie" data-scaytid="3">l&#39;Energie</span> a <span data-scayt_word="signé" data-scaytid="6">sign&eacute;</span> <span data-scayt_word="deux" data-scaytid="8">deux</span> <span data-scayt_word="permis" data-scaytid="9">permis</span> de <span data-scayt_word="recherche" data-scaytid="10">recherche</span> pour des sites de <span data-scayt_word="géothermie" data-scaytid="11">g&eacute;othermie</span> <span data-scayt_word="à" data-scaytid="12">&agrave;</span> haute <span data-scayt_word="température" data-scaytid="13">temp&eacute;rature</span> <span data-scayt_word="dans" data-scaytid="14">dans</span> le Massif Central et <span data-scayt_word="dans" data-scaytid="15">dans</span> <span data-scayt_word="l'ouest" data-scaytid="16">l&#39;ouest</span> des <span data-scayt_word="Pyrénées" data-scaytid="17">Pyr&eacute;n&eacute;es</span> <span data-scayt_word="afin" data-scaytid="18">afin</span> de &quot;<span data-scayt_word="relancer" data-scaytid="19">relancer</span>&quot; la <span data-scayt_word="filière" data-scaytid="20">fili&egrave;re</span>.</p>

07 janv. 2026 • 2 min

Agenda fiscal de mars

<p> <span data-scayt_word="Retrouvez" data-scaytid="1">Retrouvez</span> <span data-scayt_word="vos" data-scaytid="2">vos</span> obligations <span data-scayt_word="fiscales" data-scaytid="3">fiscales</span> et <span data-scayt_word="sociales" data-scaytid="4">sociales</span> pour mars 2013</p>

07 janv. 2026 • 2 min

Le Bâtiment attend un signal fort du gouvernement

<p> <span data-scayt_word="Après" data-scaytid="1">Apr&egrave;s</span> <span data-scayt_word="avoir" data-scaytid="2">avoir</span> <span data-scayt_word="alerté" data-scaytid="3">alert&eacute;</span> les <span data-scayt_word="sénateurs" data-scaytid="4">s&eacute;nateurs</span> <span data-scayt_word="sur" data-scaytid="5">sur</span> les menaces qui <span data-scayt_word="pèsent" data-scaytid="7">p&egrave;sent</span> <span data-scayt_word="sur" data-scaytid="6">sur</span> le <span data-scayt_word="secteur" data-scaytid="8">secteur</span>, les <span data-scayt_word="présidents" data-scaytid="9">pr&eacute;sidents</span> des <span data-scayt_word="principales" data-scaytid="10">principales</span> <span data-scayt_word="organisations" data-scaytid="11">organisations</span> <span data-scayt_word="professionnelles" data-scaytid="12">professionnelles</span> de la Construction <span data-scayt_word="sont" data-scaytid="13">sont</span> <span data-scayt_word="reçus" data-scaytid="14">re&ccedil;us</span> <span data-scayt_word="ce" data-scaytid="15">ce</span> <span data-scayt_word="mardi" data-scaytid="202">mardi</span> 5 mars par la <span data-scayt_word="Ministre" data-scaytid="17">Ministre</span> du <span data-scayt_word="Logement" data-scaytid="18">Logement</span>.</p>

07 janv. 2026 • 4 min