Since 1979, Balzan & Immer Étanchéité SA has specialised in waterproofing and thermal insulation for flat roofs. Backed by recognised expertise, we have built up privileged relationships with suppliers of high-quality materials. We work exclusively with products that comply with European standards, which are stricter than those in force in Switzerland, guaranteeing durable, high-performance solutions. Our Services : • Advanced waterproofing systems • Effective thermal insulation • European-certified materials Choose the expertise of Balzan & Immer Étanchéité SA for a reliable, insulated roof. Contact us for a tailor-made assessment.

Production and trading of standardized and customized gaskets All types of elastomers, polymers and fibrous materials for building techniques and industry (energy, petroleum products, food, pharmaceuticals, perfumery, machine and vehicle construction, etc.). Gasket sheets Flat die-cut gaskets Metal gaskets Rubber plates O-Ring gaskets and profiles Braids and textiles Mounting materials Gasket assortment There is a wide range of asbestos-free gasket materials, each designed for a specific application. Millions of gaskets are produced every year in our state-of-the-art workshop, staffed by competent and motivated employees. Most of them are produced in large or small series, but we also produce one-offs, often on a same-day basis. FIGAM SA products are distributed nationwide.

Barbosa Rénovation Sàrl is a renovation and construction company based in Chavannes-près-Renens, Switzerland, providing various building and finishing works.

Our company has been at your service since 1960! Training company - Member of SSE and CEFN (Chambre des Étancheurs Fribourgeois et Neuchâtelois) Some references : EMS Vuisternens-devant-Romont, Ateliers de la Glâne in Romont, Police building in Granges-Paccot, "St-Léonard" basketball hall in Fribourg, Swisspor SA (administrative building) in Châtel-St-Denis, Drognens barracks, UCB Farchim in Bulle (administrative building), Cremo in Villars-sur-Glâne, HFR Fribourg and many others. Our fields of activity • Bituminous waterproofing • Synthetic waterproofing • Resin waterproofing • Thermal insulation • Resin shower waterproofing • Flat roofs with slabs • Green roofs • Self-protected roofs • Renovation of balconies, flat roofs and terraces • Tinsmithing • Roofing We are also at your service for • Studies and estimates without obligation • Expertise • Maintenance of your roofs • Calculation of the CECB thermal balance

A.B Etanchéité - Your Waterproofing Expert in French-speaking Switzerland At A.B Etanchéité , we bring over 30 years of experience to provide reliable, durable, and tailored waterproofing solutions. We offer specialized services to ensure the protection and waterproofing of your structures. Our Main Services • Injection and tanking : Treatment of cracks and water infiltration in basements and parking areas. • Elevator pit : Waterproofing of elevator pits to prevent water infiltration. • Resin waterproofing for floors and pools : Durable and resistant coatings for pools, garages, and industrial spaces. • Terrace waterproofing : A resin coating protects terraces from infiltration and wear. It ensures a waterproof, weather-resistant, and long-lasting surface while offering an aesthetic and easy-to-maintain finish. • Sprinkler tank waterproofing : Waterproofing solutions for fire water retention systems. Service Areas – French-speaking Switzerland A.B Etanchéité operates in French-speaking Switzerland , particularly in the following cantons: Canton of Vaud • Lausanne Region : Lausanne, Renens, Crissier, Prilly, Ecublens, Pully, Lutry • La Côte Region : Morges, Nyon, Gland, Rolle, Aubonne, Coppet • Riviera Region : Montreux, Vevey, La Tour-de-Peilz, Blonay, Villeneuve • Chablais Vaudois Region : Aigle, Bex, Ollon, Villars-sur-Ollon, Gryon • Gros-de-Vaud Region : Echallens, Assens, Cheseaux-sur-Lausanne • Northern Vaud Region : Yverdon-les-Bains, Orbe, Grandson, Sainte-Croix • Pays-d’Enhaut and Vaud Alps Region : Château-d’Oex, Les Diablerets, Leysin • Broye Vaudoise Region : Payerne, Moudon, Lucens Canton of Neuchâtel Neuchâtel, La Chaux-de-Fonds, Le Locle, Boudry, Val-de-Travers, Cortaillod, Saint-Blaise Canton of Geneva Geneva, Carouge, Lancy, Meyrin, Vernier, Onex, Chêne-Bougeries, Plan-les-Ouates, Thônex We also operate in surrounding towns and villages. For any specific request, feel free to contact us.

With over 25 years of experience in roofing, Gregorio Toiture Sàrl was founded in 2010 by Mr. Gregorio. Based in Vevey and Jongny, we proudly serve the Vaud Riviera, Lausanne, and Lavaux regions, offering comprehensive and tailored roofing services to meet all your needs. Our Roofing and Covering Services We provide a wide range of high-quality services to protect and enhance your home: • Sheet Metal Work : expert handling of copper, stainless steel, zinc, and aluminum for optimal waterproofing. • Roof Covering : installation and renovation of tile, natural slate, Eternit, and more. • Waterproofing : effective solutions using bitumen, Sarnafil, and synthetic resins like Triflex. • Insulation : installation of top insulation materials including Isover, Flumroc, and wood fiber. • Carpentry : building and restoring strong, durable roof structures. • Velux Installation : fitting roof windows to bring in light and ventilation. • Roof Renovation and Maintenance : inspections, repairs, and upkeep to extend your roof’s lifespan. • Solar Panel Installation : eco-friendly and cost-effective renewable energy solutions. • Lightning Rod Installation : reliable protection against lightning strikes. Certified Expertise and Quality Workmanship Our team is trained in advanced techniques for installing PREFALZ PREFA (aluminum sheet cladding) and TRIFLEX (liquid synthetic resins), ensuring durable and precise results. Why Choose Gregorio Toiture Sàrl? • Over 25 years of roofing industry experience • Fast, professional service across the Vaud Riviera, Lausanne, and Lavaux • Commitment to high-quality materials and innovative techniques • Personalized support for every roofing and renovation project For all your roofing, covering, waterproofing, or insulation projects, trust Gregorio Toiture Sàrl , your local expert based in Vevey and Jongny. Contact us today for a free quote or more information about our roofing services.

Hygiènair SA is a leading provider of hygiene and cleanliness services for ventilation networks in French-speaking Switzerland, with expertise in disinfection, cleaning, audits, and sealing of ventilation systems. The company is headquartered in Poliez-Pittet and serves multiple cantons with a team of over 20 specialists.