Borer Spenglerei – Personal. Professional. Passionate. At Borer Spenglerei (Owner: T. Thudium), the customer always comes first. We value personalised service and custom solutions. Whether it's sheet metal work , lightning protection , flat or pitched roofs , or metal design – we are your reliable partner for all roofing and metalwork needs. Our work is more than just a job – it’s our passion. Let us show you the quality and dedication we stand for. Call now to schedule an appointment: +41 79 552 39 13 We look forward to welcoming you as a satisfied customer!

Sehr freundlich und hilfsbereit, auch bei etwas aussergewoehlichen Wuenschen! Herzlichen Dank fuer die lampenverpackung. Die Lampe hat Australien unbeschadet erreicht und ist schon montiert. M und S Trittibach

Metal-Arco Sagl: Experts in Sheet Metal Work Waterproofing and Metal Construction in Ticino Metal-Arco Sagl is a company based in Ticino specializing in sheet metal work , waterproofing , and metal construction . We offer complete and customized solutions for residential, commercial, and industrial buildings, ensuring high standards of quality, efficiency, and safety. With a team of qualified professionals and many years of experience, we support our clients at every stage of the project – from consultation and design to execution and maintenance. We also handle the administrative process required to apply for energy renovation subsidies , providing a fully comprehensive service. Sheet Metal Work: Functional and Aesthetic Quality We are specialists in sheet metal work using durable, weather-resistant materials such as copper, stainless steel, and aluminum. These materials ensure long-lasting protection and enhance the aesthetic value of the building – ideal for both new constructions and renovations. Long-Lasting and Reliable Waterproofing Solutions We offer advanced waterproofing systems using premium-quality Swiss materials chosen for their durability and performance. Our waterproofing solutions include: • Synthetic membranes from Sika • Bituminous membranes with polymer-modified bitumen • Liquid resin waterproofing systems We protect roofs and structures against water infiltration and moisture-related damage, ensuring long-term reliability. Flat Roofs and Terraces: Tailored Waterproofing Services We specialize in waterproofing flat roofs, terraces, balconies, and green roofs , using high-performance bituminous membranes and Sika Sarnafil synthetic membranes. Our solutions are designed to ensure durability, protection, and minimal maintenance over time. Custom Metal Structures for Residential and Industrial Use We design, develop, manufacture, and install custom metal structures for both civil and industrial applications. Every project is based on a detailed analysis of the client’s needs, resulting in solid, functional, and aesthetically pleasing solutions. We build canopies, mezzanines, railings, and other custom metal components. In-House Architect for Integrated and Harmonious Solutions At Metal-Arco Sagl, we offer added value through the support of an in-house architect , allowing us to develop solutions that are both functional and aesthetically aligned with the surrounding architectural context. This ensures a result that meets both technical and visual expectations. Outstanding Customer Service and High-Quality Swiss Materials Customer satisfaction is at the core of everything we do. We use only certified Swiss materials to deliver long-lasting, high-quality results. Each project is handled with care, transparency, and professionalism from start to finish.

Roli GmbH , based in Basel, is a regionally active and specialized service provider focused on leak detection and waterproofing inspections for flat roofs . We support property developers, architects, facility managers, and insurance companies in the reliable analysis and maintenance of flat roof systems – from single-family homes to industrial buildings. With years of experience and the use of advanced technologies, we are a trusted partner for precise, non-invasive leak detection , technically sound inspection methods , and clear, structured documentation . Our guiding principle: Find the root cause – not just treat the symptoms . Our Core Services Flat Roof Leak Detection Using cutting-edge technologies such as moisture sensors, smoke tests, thermography, and electronic pulse systems, we locate weaknesses quickly and accurately – even in complex roof constructions. Waterproofing Integrity Testing For both new and existing buildings, we verify the performance of waterproofing systems before handover or use – with fully documented, protocol-based and independent testing procedures. Roof Inspection with Report We carry out structured condition assessments of flat roofs, including photo documentation and maintenance recommendations – ideal for damage prevention or decision-making in renovations. Expertise Across All Roof Types Experienced in cold roofs, warm roofs, inverted roofs, green roofs, and walkable/drivable roof systems. Who We Work With • Architects & General Contractors – for acceptance tests or quality assurance • Property Managers & Homeowners – for water damage diagnostics, leak assessment or renovation planning • Insurance Companies & Surveyors – for neutral and technical evaluations • Industrial & Commercial Clients – for routine roof checks and safety assessments Locally Rooted – Available Nationwide Our core service area includes Basel, Basel-Landschaft, Aargau, Solothurn, and the Northwestern Switzerland region. Upon request, we are also available throughout Switzerland. Flexibility, short response times, and clear communication are our daily standards. Why Roli GmbH? • Independent & Objective: We don’t sell sealing materials – we identify causes. • Technically Reliable: Use of professional-grade tools and methods • Documented & Transparent: You receive clear inspection reports, including testing protocols if needed • Client-Focused: Personal consultation, transparent process, and fair pricing Roli GmbH – We make flat roofs understandable. A hidden leak? We’ll find it – before it becomes expensive.