O.B. SA

📍 Location: Riviera Osogna/Biasca

Founded in 2006 by Mr . Omar Bernasconi, with over 20 years of experience, O.B. SA combines carpentry, roofing, and sheet metal work in a single trusted company. With a dozen skilled workers, the company has grown steadily, expanding its expertise to all areas of woodworking and roof structures.

💡 Thanks to the use of modern technologies, customized solutions, and a focus on innovation, O.B. SA guarantees excellence in every job, whether traditional or contemporary.

We are members of the HOLZBAU SCHWEIZ association and a training company for apprentices.

🔹 Our services

• Carpentry 🪚🪵

• Roofing 🏠⛏️

• Photovoltaic systems ☀️🔋

• Building sheet metal work 🛠️🟫

• Ceiling and facade cladding 🏢🎨

• External and internal staircases 🪜🔝

• Soundproofing and acoustic insulation 🎧🔇

• All types of interior work 🏡🧰

• Modular houses 🏘️📦

• Prefabricated chalets 🏔️🪚

• Technical consulting 📐👷

🔹 Carpentry

Wood carpentry is a versatile craft that ranges from:
🏡 Traditional roofs for houses, buildings, warehouses, and cottages
🏘️ Garages, porches, walkways, and terraces
🏠 Custom-made modular prefabricated houses
⛺ Solid wood chalets
🪜 Lofts, slabs, stairs, interior and exterior cladding

🔹 Roof covering

We complete the carpenter's work with high-quality roofing:
🧱 Traditional terracotta or concrete tiles
🪨 Insulated sheet metal panels
🟫 Flat Eternit sheets
🔩 Seamed sheet metal in copper, stainless steel, or other materials

🔹 Modular houses & chalets

Modular prefabricated houses 🏘️ and solid wood chalets 🏔️ are increasingly in demand, with customized designs by architects or clients.

📌 O.B. SA – Carpentry, Roofing and Sheet Metal Work
CH – Via Cantonale 45, 6703 Osogna
☎️ +41 91 880 63 52*
📱 +41 79 830 63 52*

🔨 Tradition, expertise, and innovation at the service of your wood projects 🪵❤️