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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.


Used stone machines Comascotec

February 2016. Technical and commercial information. Stone market.

Marble renovation

The renovation allows a refurbishment of a marble floor.

The first operation is a wet grinding. This method is identical to that of marble marble workshop with diamond abrasives of different particle sizes. Scratches, impacts, scratches, stains are eliminated by removing a thin surface layer of the stone.

Two finishes are most often encountered: Honed or polished polishing.

The gloss-polished is achieved mechanically by sanding with an added polish.

The sweetened offer a smooth finish to the touch. It offers a contemporary and natural. With a water repellent treatment is a smart choice for the scene of intense passages.

The most commonly encountered marbles under the floors: Carrara White, Pink Portugal, travertine, Botticcino, Perlato of Sicily, Savoy Blue, Red Verona, Comblanchien, Granito (Terrazzo), Green Alpine

The mosaic floors can be refurbished using the same principle. .

Marble Grinding

In the case of laying a new pavement, the rough grinding is inevitable to perfectly level the connection of the tiles together and the joints. Also the thickness of the slabs may be slightly different (because it is not a perfectly calibrated industrial product but a natural product

The water in marble sanding is preferred because it significantly reduces the amount of dust, which can work in the apartments, the climbs stairs of condominiums, shops and others.

Once the draft phase carried out, the operations are identical to those required for the renovation.


French production of stones hit bottom in 2014

Over 60 million euros of revenue lost between 2013 and 2014 (and 2015 should not be better), the French natural stone industry continued to dive. All industries are concerned with significant declines in activity between - 8% - 22% and unfortunately many stops activity.

Figures taken from the site Pierre Actual


Enamelled lava

The density of the dish (2.3) is to be considered for the design of supports and desks for handling as a plate of 1 m2 in 20 mm thick weighs almost 50 kg!

This is a great difference of sandstone that weighs him that 18 kg per m2.

Finishing panels: rectangular, round ... can be obtained by cutting the plate with diamond saws or water jet before enamelling. Large surfaces can be obtained by juxtaposition of plates. In practice, most manufacturers are limited in the size of the panels they can be glazed by the size of their ovens. The stone can be engraved shallowly before enamelling and exposed stone surfaces can be etched sandblasted. Surface edges that will not be in a sealing can be "dropped" (weakest angle, more exposed to vandalism).

For fasteners in the covers and guards, the plates may be:

• pasted on walls,

• either on the surface like tile, then it may be prudent to drop the edges plate development,

• is embedded in a reserve provided on masonry, a slab, a plaster or a rock.

• stuck on a wooden stand furniture or metal with an epoxy adhesive; a metal casing that surrounds the sides of the plate is a conservative fixing against vandalism; a seal silicone around 2 to 3 mm or below, is essential to compensate for expansion of the metal.

• held by small metal claws, which may become the weak point of the whole.



Chemin des Carrières BP 1 64310 ASCAIN FRANCE

Tel: 05 59 54 00 1405 59 54 00 14 Fax: 05 59 54 41 16

Sandstone or stone Rhune, sandstone pink and white "Vosges like" La Rhune is the height of 900 m above sea level between the French Basque Country and the Spanish Navarra.

Ascain is located in the French Basque Country a few kilometers from Saint Jean de Luz

Open days Intermac

Pesaro, Italy 17 to 19 March 2016

Intermac invites guests to Pesaro, Italy, in the heart of productive establishments Intermac, world leader in the processing of glass, stone and metal. computer demonstrations, and new machining solutions designed to increase productivity and quality, specific seminars and demonstrations in real time!


• Partnership with the company Donatoni: live demonstrations on Jet débiteuse bridge.

• Double table MasterSaw (patented): a new concept for automated centred'usinage stone!

• Polishing areas concavesavec Master machining center.

• New on the waterjet cutting center PRIMUS 3 and 5 axes.


Stone splitting machines

All the stone cannot be polished. But all the stone can be splitted.

But every stone, every product, every processing need the proper splitting machine. It is not a problem because the machine range available on the market is large.

Once the necessary power decided, the useful dimension, the productivity required it is easily possible to work on the good spilitting machine choice.

To help there is a very good book "Stone Splitting" written by Piero Primavori and published by mec 38050 Scurelle, TN, Italy. This e-mail address is being protected from spambots. You need JavaScript enabled to view it


Brouzet quarry


Route de Bagnols

30340 St Privat des Vieux



This is an underground operation, guarantee of exceptional quality, which have been around for centuries blocks that are used worldwide in the most prestigious works.


The stone is then transformed into workshops in St-Privat-des-Vieux, 1000 m2 surface, with frame, saws, moulders milling machines, lathes, etc., and masons.


The company carries out any work (columns, railings, interior and exterior floors, stairways, fireplaces, bathroom etc.)


Some references: Basilica of Lourdes, Monument Maquis of Ain Cerdon, Palace of the territorial assembly in Abidjan, building Social Welfare in Brussels, The California building in Marseilles, etc.

Embassy of France in Tokyo and Algiers, floors and stairs of the Meyrieux institute