MGW Glass
MGW Glass
High-performance acoustic configurations engineered for strict building requirements and residential zones across Lisbon.
An In-Depth Whitepaper on Sound Transmission Loss (STL), PVB Damping Science, and Compliance with Portugal's Regulamento Geral do Ruído.
As one of Europe's oldest and most vibrant capitals, Lisbon presents a unique set of acoustic challenges for contemporary real estate developers, architects, and structural engineers. The city is defined by a dense, undulating topography where historic quarters like Alfama, Bairro Alto, and Baixa Pombalina interface directly with highly trafficked public transit routes. The constant rumble of traditional iron-wheel trams (such as the historic Elétrico 28), the influx of tourism, and night-time commercial activity generate a complex ambient noise profile.
To address this, Portuguese building regulations—specifically the Regulamento dos Requisitos Acústicos dos Edifícios (RRAE) and the overarching Regulamento Geral do Ruído (RFR)—have established strict limits on sound transmission in residential, hotel, and commercial facilities. Achieving the required weighted sound reduction index (R'w) of 35dB to 45dB for building facades is no longer optional; it is a critical regulatory milestone.
Standard monolithic glass exhibits a significant drop in sound insulation at its "coincidence frequency" (typically between 1000 Hz and 3000 Hz depending on thickness), where the wavelength of incident sound in the air matches the natural bending waves of the glass pane. Laminated glass resolves this by introducing a highly viscoelastic Polyvinyl Butyral (PVB) or acoustic PVB interlayer. This interlayer absorbs vibrational energy through shear damping, flattening the coincidence dip and ensuring consistent decibel reduction across the critical mid-to-high frequency bands.
Selecting the appropriate glazing configuration requires analyzing the specific noise source in Lisbon. Low-frequency rumble from heavy vehicles requires different solutions than the high-frequency chatter of pedestrian streets. Below is a comparative overview of typical glass configurations and their performance metrics:
| Glazing Configuration | Total Thickness (mm) | Acoustic PVB Spec | Rw (C; Ctr) Rating | Primary Lisbon Application Scene |
|---|---|---|---|---|
| 6mm Monolithic Glass | 6mm | None | 31 (-1; -2) dB | Basic interior partitioning only (non-acoustic) |
| 6.38mm Laminated Glass | 6.38mm | 1 x 0.38mm Standard PVB | 33 (-1; -3) dB | Light interior office doors and retail storefronts |
| 12.38mm Acoustic Laminated | 12.38mm | 2 x 0.38mm Acoustic PVB | 39 (-1; -4) dB | Historic residential window retrofits in Alfama |
| 6mm + 12Argon + 4.4.2 Acoustic Laminated | 26.8mm | 2 x 0.38mm Acoustic PVB | 42 (-2; -6) dB | Facade glazing for premium hotels near Avenida da Liberdade |
| 8.8.4 Acoustic Laminated (Triple) | 17.52mm | 4 x 0.38mm Acoustic PVB | 45 (-1; -5) dB | Sound studios, high-end meeting rooms, airport infrastructure |
For Portuguese developers looking to combine solar control with acoustic insulation, using a Low-E (low emissivity) coating on surface #2 of a double-glazed unit combined with an acoustic laminated inner pane offers the ideal balance. This configuration minimizes solar heat gain during Lisbon's intense summer months while satisfying the rigorous acoustic criteria mandated by Municipal Action Plans for Noise Control.
Over 32 Years of Precision Architectural Glass Engineering and Export Excellence.
Founded in 1993, Shandong MGW Glass Technology Co., Ltd. has specialized in building glass for more than 32 years. Our goal is to work closely with partners to help customers achieve greater success in multiple fields.
With 32 years of development and continuous improvement, MGW Glass not only builds a strong brand but also delivers high-quality products and constant innovation. In China, MGW Glass has completed more than 200+ projects. Internationally, our glass products are exported to Europe, America, the Middle East, West Asia, Southeast Asia, and more. With high-quality products, competitive pricing, and exceptional service, MGW Glass has earned praise from customers both domestically and abroad.
We are a deep-processed architectural glass supplier with CE, ISO, SGCC certifications and over 30 years of production experience, ensuring total compliance with European Standard EN 14449 (Laminated safety glass for buildings).
Industry expertise since 1993
Exporting to Europe, Mid-East & Asia
Large-scale architectural references
CE EN 14449, SGCC, ISO Certified
Analyzing Cost Optimization, Quality Assurance, and Bulk Logistics to the Port of Lisbon.
The European construction sector is facing challenges due to high energy costs, supply chain bottlenecks, and rising labor rates. For Portuguese facade engineering firms, real estate developers, and local window manufacturers, sourcing high-performance acoustic laminated glass from China is a key strategy for maintaining competitiveness.
Our experienced sales team understands market demands and trends, enabling us to provide professional consultation and customized solutions. We have established strong partnerships with a wide range of suppliers to ensure a stable and reliable supply of raw materials and products. Additionally, we have a well-developed one-stop service system to meet customers' needs in procurement, logistics, technical support, and more, providing a convenient and efficient service experience.
We offer OEM and project-based customization, ensuring high-quality products and comprehensive technical service support.
From raw glass to final packing, every step undergoes strict inspection. Our products are CE, SGCC, and ISO certified, ensuring high-quality results you can rely on. With over 20 years of export experience, we serve clients across Europe, America, the Middle East, and Southeast Asia. We also provide support for drawings, configurations, and safe shipments for global construction projects.
Explore our complete catalog of laminated, insulated, and tempered glass systems engineered for European projects.
Providing flexible OEM & ODM support to match complex facade layouts and custom interior specifications.
We mainly produce:
Our in-house design and engineering department offers complete drawing support, wind-load calculation modeling, acoustic simulation mapping, and optimal glass layer configurations.
Whether retrofitting historical structures in Chiado or glazing large-scale commercial facades in Parque das Nações, we offer high-performance solutions tailored to your project requirements.
Technical clarifications regarding quality standards, acoustics, logistics, and import processes to Portugal.
Partner with Shandong MGW Glass Technology Co., Ltd. for certified acoustic glass solutions. Contact our engineering team for specifications, pricing, and structural configurations.
