Gaznox SA is a company specialized in the renovation , design , and installation of chimney linings across French-speaking Switzerland. With over 30 years of experience in industry and construction, the founders – Daniel Pitt and Frédéric Gorges – bring their expertise to private clients , architects , and heating system installers . We handle all projects related to chimneys , linings , flue systems , wood stoves , Swedish stoves , pellet stoves , ventilation ducts , and fire protection solutions . Renovation and Installation of Chimney Linings Gaznox SA is your specialist for chimney lining renovation , flue installation , chimney casing , and ensuring all systems comply with current standards . We provide solutions for: • Existing chimney linings • Installation of stainless steel or synthetic linings • Boiler flue linings (oil, gas, wood, pellets) • Emergency generator flue linings • Industrial flue systems • High-temperature flue linings • Renovation of damaged flues Our solutions meet the demands of modern heating systems , ensuring safe smoke evacuation and optimal energy efficiency . Installation of Chimneys and Stoves In addition to linings, we offer complete chimney and stove installation : • Living room chimneys • Swedish stoves • Wood stoves • Pellet / granule stoves • Stove-chimney combinations • Industrial metal chimneys Our teams ensure proper air supply , smoke evacuation , and all technical elements for safe and efficient operation . Masonry Chimneys – Construction, Renovation, Heritage Gaznox SA has extensive expertise in masonry chimneys , including: • New masonry chimney construction • Renovation of cracked chimneys • Relocation or height adjustment • Heritage restoration • Chimneys on listed or protected buildings We work with bricks , stone , and concrete , offering custom finishes while respecting the architectural character of the building. Ventilation and Smoke Extraction Ducts Our teams install ventilation ducts , smoke extraction systems , and ventilation monoblocks for private, industrial, and collective buildings. Our solutions guarantee: • Enhanced fire safety • Compliance with ventilation standards • Installation tested and validated upon completion Metal Constructions and Custom Structures In our workshop, we also manufacture custom metal structures : • Metal walkways / platforms • Stairs and railings • Metal frameworks • Industrial load-bearing structures • Modifications to existing structures Responsiveness, precision, and meeting deadlines are at the heart of our commitments. A Full Team at Your Service Depending on the season, 10 to 20 qualified professionals join our team to ensure: • Quick interventions • Complete project management • Support for private clients, architects, and heating installers We handle your projects related to chimneys , linings , ventilation , metal structures , and renovation from A to Z. Why Choose Gaznox SA ? • 30 years of experience in chimneys, linings, and ventilation • Solutions for private clients , professionals , and architects • Services across French-speaking Switzerland • Careful, durable, and standards-compliant work • Expertise in traditional chimneys and modern installations • Comprehensive project management without subcontracting Contact Gaznox SA For diagnostics , expert assessments , quotes , or any information about our services in linings , chimneys , ventilation , or metal structures , please contact us directly. Gaznox SA – your reference for chimney linings , stove installations , and masonry chimneys in French-speaking Switzerland.

Qualified workers, 26 modern and high precision CNC and conventional machines tools, an experimented knowledge of the mechanic's world since 1932, allow us to accept manufacturing as subcontractor, high precision skilled works on micromechanical parts or bigger dimensions one's as well, which could be machined on our machines tools. We serve different kind of industries such: the manufacturing industry, chemical, biochemical, pharmaceutical, Bio-engineering, robotics and automation, food, lumber, watch, nuclear, automobile, aeronautics an space industries, high schools and universities, medical research and high vacuum technology Programming the machines is made with VIRTUAL GIBBS CAM thanks to the customer given blue prints, either in hard copy or under DXF, IGES, DWG, SDLPRT electronic support like CD, diskette or simply by E-Mail ( info@desiebenthal.ch ) Later the G-codes are directly sent to the machines by cables. The following machined operations can be performed in ours workshops like: Turning – threading – milling – shape milling – drilling – boring – taping – threads milling – profiling – broaching - sawing – engraving – honing – flat and cylindrical grinding – assembly – fitting – TIG welding – soft brazing – dimensional control with printed measures protocol – hardness and roughness control All of these on: Prototype, small series, from one part to full assembly in all metal materials like: carbon steel – cast iron – bronze – brass – copper – stainless steel – aluminum - titanium – tantalum – Hastelloy – Inconel – Monel –Invar – Kovar Or non-metal materials such as: Graphite – PTFE – PP – PE – POMP – PVC – PEEK – VESPEL an fashionable ceramics like MACOR or STUMATIT. The products we have to manufacture, transform or repair are used in a wide range of the industrial world .