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Isolants thermiques en rénovation

Par Sophie Trachte et Dorothée Stiermon

Editeur EPFL


Ouvrage très technique et très complet sur les différentes techniques et les différents matériaux disponibles en rénovation thermique des constructions. Cet ouvrage décrit avec précisions les caractéristiques des différents matériaux présents sur le marché (isolants organiques, isolants minéraux naturels ou synthétiques, isolants composites, isolants innovants) en les décrivant (avec de nombreuses photos à l’appui) précisant leurs caractéristiques techniques chiffrées, leurs modes d’élaboration, et en balayant un grand nombre de critère permettant d’avancer vers le meilleur choix correspondant au matériau recherché .

Dans un chapitre complet il détaille leur influence sur la qualité de l’air et sur la santé. Il aborde ensuite sur une quarantaine de pages le cycle de vie des différents matériaux et leur impact environnemental.

Il aborde la notion de l’économie circulaire dans la conception et la mise en œuvre de ces différents matériaux.


Nombreux tableaux, articles scientifiques et thèses sur le sujet.


En annexe figure une liste de fabricants et producteurs

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Riou glass rentre sur le marché espagnol


Aprés une série de rachats de miroiteries en France sur ces 15 dernières années, puis être rentré en Belgique ( Euroglass) et en Italie ( Cappelletti et Roleri ) en 2022, le groupe Riou glass s’attaque maintenant au marché espagnol en rachetant le catalan Vidresif situé à proximité de Géron. Vidresif est une importante miroiterie avec un CA de l’ordre de 25 millions d’Euros. Le groupe Riou transforme chaque année plus de 100 000 tonnes de verre plat dont il produit une grande partie sur son float de Salaise sur Sanne. Il réalisera sur 2023 un CA supérieur à 260 millions d’Euros avec 1300 salariés et 26 unités de production

Bavelloni at GlassBuild AMERICA 2023


Bavelloni is pleased to announce its participation in the show  GlassBuild AMERICA 2023, the largest event for the glass, window, and door sectors in North America. Taking place in Atlanta (GA), from October 31 to November 2, 2023, the event will feature Bavelloni America Inc. at booth 3631.


On this occasion, Bavelloni will showcase some of its glass edging machinery, including the VE 500 V10 SCS mitering machine. This straight-line edger, suitable for heavy glass, can process flat edge with arrises and chamfers ranging from 0° to 45°. Notably, the SCS version of this machine incorporates an innovative spindle control system (SCS) for enhanced automation. This system ensures automatic wheel positioning, resulting in high quality finishes, minimized production waste, and optimized tool utilization. The Bavelloni VB 350 CNS bevelling machine, known for its efficiency, reliability, reduced maintenance and long lifespan will also be presented. Moreover, visitors will experience live demonstrations of the Bavelloni REV 372 SR cutting table, a very compact, accurate and fast stand-alone bench for straight and shaped cutting of monolithic glass. Also on display, a wide selection of Bavelloni diamond and polishing tooling.


Bavelloni’s team of experts will be on hand at our stand throughout the event to welcome guests and provide comprehensive insights into Bavelloni's diverse product portfolio.


To gain complimentary access to the exhibition, enter Bavelloni Customer Guest Pass Code 23GBAEXH upon your online pre-registration.






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Affutage des forêts diamantés pour le verre plat

La partie active d’un forêt diamanté, celle qui va permettre de percer le verre est constituée de grains de diamant. Ces grains de diamant sont noyés dans un alliage métallique qui a pour objectif de libérer peu à peu le diamant en surface du forêt diamanté de façon à pouvoir percer le verre.

En perçant le verre la partie supérieure du diamant va se briser peu à peu.

Ce liant doit s’user à la même vitesse que le diamant. S’il s’use trop vite il y a trop de diamant en surface et le forêt va s’user très rapidement et il y a un risque que le perçage se fasse avec des écailles. S’il s’use moins vite que les particules de diamant il n’y aura pas assez de grains de diamant en surface et le forêt ne percera plus le verre correctement. Dans ce dernier cas il faut affuter le forêt de façon à user le liant et refaire apparaitre des grains de diamant en surface. On utilise pour cela des pierres synthétiques, généralement en oxyde d’aluminium.

Mais le besoin d’affutage des forêts devrait être rare, du moins pour les meilleurs forêts diamantés. En effet les fournisseurs qui sont dans ce cas utilisent des liants qui s’usent à la même vitesse que le diamant et donc sans besoin d’affutage.

L’affutage est un réel problème dans le cas des perceuses automatiques.


The French national union SNFPSA becomes the Actibaie professional group


Yannick Michon, union president announced for the National Union of Closure, Sun Protection and Associated Professions, a strategic repositioning ... and a name change!

This decision is explained in his view by the difficulty to communicate on a name and acronym as long.

The new name of what is now called a "professional group" rather than a union has been revealed: it is "Actibaie": simpler and more meaningful for everyone, including the young employees that companies in the Doors, Doors, Shutters and Blinds sector are seeking to attract.

Questioning and repositioning

2150 members (including 100 manufacturers spread throughout the country), 29,000 employees and a turnover of 2.8 billion euros on a market of closure and solar protection which is 3,4 billion euros: Actibaie represents 80% of the industrial products put on the market and displays a solid financial and structural health. But since 2016, the group had the feeling of being too little known with regard to the actions and services offered. Moreover, far from considering the return of growth as a long-term gain, the union wanted to think in depth about the new issues of the market. With significant concern for many years, the ability of the sector to cope with recruitment difficulties forcing manufacturers to become selective with their customers and limit their order book. "Sales people, construction managers, maintenance technicians are becoming difficult to recruit," laments Yannick Michon. The president also notes the need to engage a work with the National Education to make known the trades of the sector which would win very often to be for the sector and for the employment in France.

New name, new era

Because in its new communication strategy, Actibaie intends to address all its members, its future members but also the young people who will integrate tomorrow, network companies. Educational tools, popularization of standards and DTUs (sleeping pills for many): the action of the group consists in putting in place tools that draw quality upwards by making available knowledge and training to all its members, whatever their profile. One could perceive in the calm and determined announcement of this strategic upheaval, a massive awareness and a willingness to act in front of (but also with) the changes to the work in the sector and in the building in general. Whether in terms of resources, training, innovation or e-communication, taking into account the environment of members (prescribers, lawmakers, press, media ...) The energy transition is obvious and frame. Strategic thinking was initiated in 2016, prompting an in-depth questioning that finally came to an end after a year and a half of work, at this change of name, from the era of acronyms to that of meaningful and immediate, coherent semantics. with that of social networks. Voted unanimously without abstention at the end of the general meeting, this change of name is therefore endorsed: Actibaie's communication plan starts today and will continue for several months.

New identity, new website and a free mobile app for its members

To ensure its mission to inform, support, train its members and promote the trades of the sector, the change takes place according to a global strategy not only identity but also tools focused on the web and social networks. Actibaie acquires a new graphic charter, a new website and a free mobile application for its members. The group will also continue to develop its educational tools and its policy of promoting the sector. We will come back in detail in issue 104 of Verre & Protections on the activity report of the group and its strategic repositioning with an exclusive interview with Yannick Michon, president of Actibaie.