Glass acoustic performance calculator. Keyword search through the glass descriptions.

Glass acoustic performance calculator. and many more performances.

Glass acoustic performance calculator Acoustic Calculator. Troldtekt A/S. 5mm VLam™ Hush achieves the same acoustics compared to 10. For more technical information about glass acoustics, read Vitro Architectural Glass Technical Document TD-135. Different software exists for estimating the acoustic performance of different types of glazing. Tek kaplamasız camdan son derece karmaşık düz cam arakatmanları, kaplamalar ve arakatman kombinasyonlarına kadar değişen cam tasarımlarının termal ve optik özelliklerini modellemek için STADIP SILENCE® is a laminated safety glass with acoustic performance. DG41 and SGP do not perform as well as PVB or Acoustic layers; > Sound reduction will improve with the use of glass/ airspace combinations, but the performance is critically dependent upon the width of the airspace. You can use the calculator to model the thermal and optical properties for glass Calculations and terms in this report are based on NFRC 2010. Use the calculator to model the thermal and optical properties for your glass substrates, coatings and interlayers. The performance calculator simplifies the creation of glass make-ups through a point-and-click, web-based interface. U Value. googletagmanager. 8 Pilkington Optiphon™ 20,8 42 -1 -3 20. com/ns. g Evaluate with the Sustainability Calculator g Estimate acoustic performance of glazing using the Acoustic Assitant Customize Guardian’s Performance Calculator simplifies creation of glass make-ups through a simple point-and-click, web-based interface. for 1+3, enter 4. *OITC is estimated based on this test. Less than or equal to. In this case select a value which is 3-4 Rw points above required total window value for The Strength Lab AI-Tool is believed to give adequate estimates of acoustic properties of laminated glass based upon best engineering judgment and practices, but NO claims are made as to the accuracy of the results obtained. Information here! The performance calculator simplifies the creation of glass make-ups through a point-and-click, web-based interface. Guardian LamiGlass® Acoustic is a laminated glass with an advanced interlayer that delivers significantly improved sound insulation compared to standard laminated glass. Our partnerships with industry leaders like Guardian Glass, Pilkington, and Saint-Gobain highlight our commitment to quality. The cookie is used to store the user consent for the cookies in the category "Performance". The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. e. 0) of its Acoustic Calculator, an industry tool that helps glass and building professionals identify the best insulating glass unit (IGU) configuration to meet a project’s specific glazing requirements. It enables subscribers to the Oracle to quickly calculate the acoustic performance of a range of window frames and glazing options and in most cases, with no need for acoustic testing in a laboratory. For any other glass questions, please contact Vitro Architectural Glass (formerly PPG glass) or call 1-855-VTRO-GLS (1-855-887-6457). Oct 15, 2024 · The use of techniques such as layered inner glass panes fitted with acoustic PVB interlayers can further help systems to achieve optimal acoustic performance. This is usually depicted as a minimum average weighted sound reduction decibel blocking value (R w). Email: info@commercial-acoustics. 5 times over normal glass. National Processing Capabilities . Discover our products specifically designed to reduce noise levels transmitted through glazing. >> Products for Acoustic Glazing ComfortHush™ ComfortHush™ is a range of locally produced acoustic performance laminates incorporating a special 3 ply acoustic PVB interlayer designed to reduce sound transmission and also features a Low E coated component to provide improved thermal insulation performance. 6. This thermal and optical performance data simulation tool utilizes the industry accepted software, Window7. 0) of its acoustic calculator, an industry tool that helps glass and building professionals identify the best insulating glass unit (IGU) configuration to meet a project’s specific glazing Jul 19, 2023 · In addition to the extensive performance properties generated by the Performance Calculator, the new feature provides an estimate of the embodied CO2 eq. For Monolithic Glass Increase glass thickness For Laminated Glass Increase glass thickness Use different glass thickness for individual glass lites, i. The calculator is designed to allow Reynaers’ customers to outline project requirements and modify elements used within that, specify the system range, model, and additional product a tool to calculate laminated glass acoustic performance by Satin Gobain Jun 6, 2024 · The higher the STC rating, the better the soundproofing. Pilkington Optiphon™ is a high quality acoustic laminated glass incorporating a special PVB (PolyVinyl Butyral) interlayer. It enables subscribers to the Oracle to quickly calculate the acoustic performance of a range of frame and glazing options and in most cases, with no need for acoustic testing in a laboratory. ComfortHush™ is a Grade A laminated Safety Glass. Popularity: ⭐⭐⭐. • The higher the Rw value the better the acoustic performance. Pilkington Optiphon™ is our high performance acoustic laminated glass; it enhances sound insulating properties to meet the increasing demands for noise control. Sound Transmission Loss Calculator. Nous travaillons avec Morn BM depuis plusieurs années, qu'il s Pilkington Optiphon™ is a high quality acoustic laminated glass that offers excellent noise reduction without compromising on light transmittance or impact performance. 8 Pilkington In addition to the extensive performance properties generated by the Performance Calculator, the new feature provides an estimate of the embodied CO 2 eq. The Guardian Performance Calculator tool provides modeling of the thermal and optical properties for glass make-ups ranging from monolithic uncoated glass to highly complex combinations The glass delivers a Sound Reduction Factor (Rw) of up to 54 decibels (dB) in triple glazing and 52dB in double glazing. An airspace of 100mm is generally regarded as a minimum for reasonable benefits at medium to high frequencies. Keyword search through the glass descriptions. Reduces UV radiation by 99% reducing fading up to 8. The desired acoustic performance can be achieved through combining various thicknesses of glass with a PVB interlayer. 2024 Prepared for Performance By Seier, Gordon gordon@agm-inc. html?id=GTM-528DPDM" height="0" width="0" style="display:none;visibility:hidden"></iframe> This method offers architects valuable insights into how different parameters affect building design objectives, helping them achieve an optimal window design and glass thickness that enhances daylight performance while improving indoor thermal conditions and acoustic insulation. 38mm standard laminate, offering thinner glass options with superior acoustic performance. A large amount of glazing configurations means the perfect glass can be yours. Jul 9, 2018 · The calculator is free to architects and engineers and gives them the ability to compare a variety of glazing components and technologies to determine optimal glazing configurations to meet specific acoustic performance targets. Guardian Glass Analytics® is a comprehensive suite of Web-based software tools that demonstrate the advantages of high performance glass in building facades. info@troldtekt. Using large, dramatic panels of glass is one of today’s most popular design trends. 8 Pilkington Optiphon™ 8,8 37 0 -2 8. Simply input parameters like glass type, glass thickness, or the desired noise reduction to find configurations that could work for your project. The flat panes tend to reflect sound energy and the glass fibers tend to absorb it—seemingly opposing behaviors The world’s first acoustic calculator based on artificial intelligence for calculating / estimating acoustic performance of monolithic, double- and triple-glazed units. Train Station, Motorway or Airport) an acoustic consultant may find it necessary to impose a minimum acoustic performance of the glazing. Calculate glass thickness and optimize your projects with AGC's Glass Configurator tool. When it comes to noise, you want to make Sep 21, 2024 · Overview: A skyscraper with a unique glass facade. , ¼” glass + interlayer + 3/ 8” glass For Insulating Glass Units Increase glass thickness Increase air space dimension cookielawinfo-checkbox-performance: 11 months: This cookie is set by GDPR Cookie Consent plugin. Your go-to portal for discovering the perfect glazing solutions, tailored to your requirements. No frames are utilized in the testing to ensure accurate comparison of the glass configuration can be made without external Glass types Acoustic performance data [dB] Total thickness R [mm] w C Ctr Single glazing Pilkington Optiphon™ 6,8 36 -1 -4 6. The Strength Lab AI-Tool is believed to give adequate estimates of acoustic properties of laminated glass based upon best engineering judgment and practices, but NO claims are made as to the accuracy of the results obtained. Glass Handling and Safety Guide . Click here to use the AGG Glazing System Calculator App to create Total System U-Values w and SHGC w on common frame types. New calculation tool for your glass buildups The arcon® calculator replaces our LTD Manager for calculating the photometric and radiometric data of glass buildups. pdf. For the ultimate glass experience, VistaTech™ is the latest trend of glass technology in Australia, designed to provide optimal thermal performance and natural acoustics compared to standard glazing. com. The octave band performance of acoustic louvres can be specified in terms of LET’S CONFIGURE YOUR SPACE Get an instant free online quote by just completing the following Glass Partitions Configurator form. Pilkington Optiphon™ is a high quality acoustic laminated glass that offers excellent noise reduction without compromising on light transmittance or impact performance. Speckel provides a new performance based tool to help identify compliant products as par the National Construction Code (NCC) Volume 1 (Building Code of Australia (BCA) – Commercial buildings). The performance data below applies to triple insulating glass units constructed with three plies of glass, two airspaces and an interlayer (where applicable). It helps you estimate the acoustic performance of different glass make-ups. Keep the outside out of living and work spaces with our soundproofing options. for the configured glazing (only for the glass components manufactured by Guardian Glass, not for additional components in the build-up such as spacers or frame). The Saint-Gobain Glass Acoustic Calculator lets you search for suitable solutions based on glazing parameters and acoustic requirements. Continental Europe - EN Guardian LamiGlass® Acoustic Acoustic single glazed partitioning is the perfect solution for glass walls that need to provide an improvement in sound privacy but at minimal extra cost. 0) of its Acoustic Calculator. The highest noise insulation is achieved using an acoustic laminated glass. E. Mar 5, 2018 · Acoustic performance of glass . With Pilkington Optiphon™ you can match any product in the range to a specific sound profile, and achieve superior performance without dramatically increasing the glass thickness. New Calumen, replacing the current CalumenLive service, is a brand new glazing configurator designed for all building professionals, whatever their level of expertise in glass products: architects, designers, engineering offices, consultants, façade makers, window manufacturers, glass processors and general contractors. Check out the Glass Visualiser: see how the product looks in different types of buildings and environments. Overview: The tallest building in the world, featuring a complex glass facade. If you want us to measure, please call us at 01 96 96 333 Jul 8, 2013 · The Guardian Plus Technical Centre is becoming a key tool for any business involved in the glass or glazing industry and it’s free to join. Search. units, there is little variation in acoustic performance although there is a more significant change in thermal insulation. This advanced calculation tool is a linear solver that has been specially developed to perform structural analyses on facade glazing, roof glazing and interior glass partitions in accordance with EN 16612 and ASTM standards. com The reference glass calculator by Saint-Gobain Calumen ® is designed to easily help you find the best glazing for your needs by providing trustworthy key data on energy, thermal, acoustics, environmental and many more performances. This calculator will help you determine if you need to heat treat different types and combinations of glass under different conditions to resist breakage from solar induced thermal stress. Key Calculation: Thermal and acoustic performance calculations were critical to ensuring energy efficiency and occupant comfort in the tower. 2. It offers excellent noise reduction without compromising on light transmittance or impact performance. Determining and understanding the acoustic performance for glass facades during design remains a challenge for most projects, and is an area where designers are limited with acoustic guidance. Viridian SOLOS AGG (Australian Glass Group) G. Thermal Stress Calculator. This calculator provides the calculation of Sound Transmission Loss (STL) for a given Sound Transmission Class (STC) rating and Performance calculator. Oct 14, 2020 · Find by performance: find the right product that meets your specifications in terms of optical, thermal, acoustic and safety performance. Save . Glass Acoustic Performance Effective sound control can be an important aspect of successful glazing applications. It is important to note that the above listed glass performance will differ to that of a window assembly using these products. NFRC Aug 13, 2015 · Guardian Industries’ Glass Group in the UK, a leading supplier of industry-leading commercial, residential and interior glass products, has introduced the latest version (2. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. 5 software, NFRC 100 – 2010 conditions have been used. Glass Type. How it works. Address: 6301 N Florida Ave Tampa, FL 33604 Kuraray's laminated glass strength calculator, Strength Lab AI Tool, provides helpful information for architects and engineers. This calculator makes it easy for you to perform preliminary assessments of the Wind Load resistance of single glazed, annealed (not heat treated) window glass, with various edge support conditions, according to the ASTM E 1300 standard. • All values shown are glass only. Performance calculator. See full list on elitesafetyglass. Page 1 of 5 PERFORMANCE CALCULATOR 01. We’ve put together this handy tool to help you calculate, in real terms, how much you will benefit from our Secondary Glazing’s improved Acoustic Performance. Phone: 888-815-9691. The acoustic performance of acoustic louvres is limited at low frequen-cies by mass and at high frequencies by the gaps between the louvres. Eastman Soundpro is intuitive and flexible tool that provides performance data for tested glass configurations and allows for estimates on custom glass configurations. 8 operated by Lawrence Berkeley National Laboratory (LBNL) using International Glazing Database (IGDB) v102. Glass controls noise by: Reflecting the noise back towards the source, and ; Absorbing the noise energy within the glass. Generally speaking, thicker glass performs better in attenuating noise. The performance values shown above represent nominal values for the center of glass with no spacer system or framing. Las herramientas en línea de Glass Analytics ofrecen un conjunto completo de informes de ingeniería y análisis que demuestran las ventajas del vidrio de alto rendimiento en las fachadas de edificios. The values given are centre of glass values. All data presented is for glass-only testing. Know the thermal or acoustic performance value of your building with different configurations and opening typologies using different glass and download the report that will allow you to justify the compliance of your projects based on the European Standars. This acoustic performance plateau is due to the relatively strong coupling of the component glasses. Tel: +45 87 47 81 11. First artificial intelligence based global acoustic calculator to calculate/estimate the acoustic performance of monolithic glazed units. Aug 11, 2015 · Guardian Industries’ Glass Group, on of the UK’s leading suppliers of commercial, residential and interior glass products, has introduced the latest version (2. March. Glass surfaces are counted from the exterior face of the building. For insulating glass unit manufacturers and glass processors, the Guardian Plus Acoustic Calculator is designed to allow the user to select the most competitive glass configurations, from a range of glass options, which suit the building project application. 8 Pilkington Optiphon™ 16,8 41 -1 -3 16. How does the Performance Calculator work? Using the Performance Calculator Jul 7, 2010 · La coopération assez agréable avec Morn BM nous aide à gagner de plus en plus de projets, la réponse professionnelle de Morn BM est plus rapide que la lumière, ils peuvent toujours trouver les bons matériaux dont nous avons besoin avec un bon prix et un bon service, Morn rend possible une croissance rapide et continue. Users will need to satisfy themselves that the results are reasonable for their purposes. All calculation methods are based on robust data, so that you can trust all acoustic calculations produced. 1 Introduction: glass and acoustics Glass is a ubiquitous material in the built environ-ment, primarily occurring as visually transparent flat panes, and fibrous systems for thermal and acous-tically absorptive performance. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustica l wall. Acoustic glass typically has an STC rating of 35-40, compared to standard glass which usually has an STC rating of 27-30. The Oct 20, 2024 · Acoustic Material Performance Estimation via STC Calculation 20 Oct 2024 Tags: Acoustics Acoustics Sound Transmission Sound Transmission Class Calculator. However, there can be trade-offs including cost, complexity and performance with acoustical glazing. Apr 25, 2022 · In addition to energy, light and acoustic performance, the tool also offers a new data point: The Global Warming Potential estimate (calculation of the warming linked to the various greenhouse gases expressed as the equivalent quantity of CO 2 per m2 of glazing). dk Performance Glass Processing is dedicated to excellence and customer satisfaction, serving retail, commercial, and public sector developments across the UK. Specific performance targets (ie STC, OITC, Rw) and glazing characteristics (ie type, thickness) can be used as filters. A performance of glass products. For monolithic, laminated or insulating glass unit performance data, please go to SystemSelect ™, our on-line glass performance calculator. Viracon's solar and optical performance data is center of glass data based on the National Fenestration Rating Council measurement standards, calculated using Lawrence Berkeley National Laboratory's (LBNL) WINDOW 7 software. The glass delivers a Sound Reduction Factor (Rw) of up to 54 decibels (dB) in triple glazing and 52dB in double glazing. EN. The associated data presented in Table 2 relates specifically to insulating units with standard 12mm air-filled cavities, but May 8, 2018 · To simplify and improve access to Guardian’s analytical tools, the Acoustic Calculator has been incorporated into Glass Analytics, providing users with a single destination for comprehensive glass and glazing performance analysis We would like to show you a description here but the site won’t allow us. Within ∓ 10% ≤ to SHGC:. Saint Gobain Glass (SGG) Tecnoglass. Obtenga más Know the thermal or acoustic performance value of your building with different configurations and opening typologies using different glass and download the report that will allow you to justify the compliance of your projects based on the European Standars. Calumen ® is designed to easily help you find the best glazing for your needs by providing trustworthy key data on energy, thermal, acoustics, environmental and many more performances. James Glass Insulation (Penrose) Single Glazed Double Glazed Triple Glazed LowE Argon Gas Swiss Spacer Aluminium Spacer Toughened Glass Laminated Glass Acoustic Glass (Noise Attenuation Rw dB Reduction) Safety Glass PVB Interlayer Security Glass The reference glass calculator by Saint-Gobain. However, different glass thicknesses perform differently at different frequencies. The tool has been newly developed and offers you many additional possibilities: No prior registration / login required; Intuitive user interface Guardian LamiGlass® Acoustic is a laminated glass with an advanced interlayer that delivers significantly improved sound insulation compared to standard laminated glass. Then easily create client-ready reports comparing glass options. With our Acoustic range, buildings preserve peace and quiet inside, no matter what’s happening outside. The careful and considered selection of glass can be crucial in helping to reduce noise level and meet noise requirements. Calumen® serves as your ultimate destination for effortlessly navigating through an extensive array of options, meticulously tailored to meet your specific requirements. It has a simplified user interface that allows the selection of single number acoustic ratings or the configuration of common glass constructions. . At the lower frequencies, 12mm glass is much more effective than 6mm or 4mm, while there is little difference at the higher frequencies. Burj Khalifa, Dubai. Bulletin - The Origina CalumenLive is a free calculator which has been designed as a straightforward way to obtain technical configurations for glazing. With single and double glazing options, the Pilkington Thermal Stress Calculator offers a wide variety of glazing combinations. Aug 25, 2015 · Guardian Industries’ Glass Group in the UK, a supplier of commercial, residential and interior glass products, has introduced the latest version (2. You can use the calculator to model the thermal and optical properties for glass May 20, 2014 · Guardian has introduced its free to use Acoustic Calculator as part of its Guardian Plus business support programme. Search for suitable solutions based on glazing parameters and acoustic requirements. In addition to acoustic performance, Guardian LamiGlass® Acoustic offers all the benefits of standard laminated glass, including safety, security and UV protection. With the Guardian Glass Acoustic Assistant, users have the option to estimate the acoustic performance of glazing, find glazing solutions to meet an acoustic performance, or directly view the list of acoustic performance related to various glazing Cardinal Glass/China Aviv Glass/China Glass/China Jinjing Glass/China Kibing Glass/China WHTB Glass/China South Glass/China Xinyi Glass/China Yaohua Pilkington Glass. Design and optimize glass projects with AGC's Glass Configurator tool, featuring drag-and-drop components, performance reports, and connectivity to other AGC tools. The Acoustic Calculator on the Oracle is a cost effective way of getting acoustic performance values for your windows up to 38 dB. Winter and Summer U-Values are the only performance values available for spandrel glazing. Laminated products: The Performance Calculator allows the user to model a wide variety of laminated glass makeups using different float glass substrates, Discovering the ideal glazing solutions has never been easier with Calumen® by Saint-Gobain Glass, accessible across a variety of devices. Laminated acoustic glass consists of two or more layers of glass bonded together with a PVB interlayer. Where a building will be next to a permanent noise offender (eg. Types of Acoustic Glass Laminated Acoustic Glass. PFG Glass/PPG Glass. The tables below include a selection of the most common colors available. See additional notes below data for specific <iframe src="https://www. SoundPro provides acoustic performance data for tested glass configurations as well as estimates on custom glass configurations. Find by acoustic performance: find the right product that meets your acoustic specifications. This document presents an overview of glass acoustical performance and considerations when All performance data is determined using LBL window 7. SHGC (Solar Heat Gain Coefficient). Viracon Glass /Viridian Glass/Vitro Glass (formerly PPG Glass) SoundPro calculates glass usage by performance or glazing configuration. We retain the minimalist looks of our single glazed glass wall, with an upgrade on the glass to achieve the additional acoustic performance required. download_form: 365: viewed_cookie_policy: 11 months Oct 4, 2016 · The Performance Calculator – developed by Guardian’s technical team as part of the Guardian Glass Analytics Software suite and freely available – calculates the light and energy performance of any Guardian® glass, either used as a single sheet or any combination of type and thickness for double and triple insulating glass units. Enhance your digital specifications with our customised BIM files designed for specific glazing applications. com 2044515458 Guardian-Vitro-Cardinal ++ dual Dec 8, 2022 · These tools include the Performance Calculator for modeling thermal and optical properties of glass substrates, coatings and interlayers; the Glass Visualizer for evaluating the aesthetic properties of glass make-ups; and the Acoustic Assistant for estimating the acoustic performance of many types of glass make-ups. It consists of at least two glass sheets bonded together with one or more Polyvinyl Butyral (PVB) including special acoustic PVB interlayer (PVB Silence), providing thus excellent insulation against noise. 8 Pilkington Optiphon™ 12,8 40 -1 -3 12. Glas Trösch/Guardian Glass. One of the key features of the Guardian Plus technical centre is the acoustic table which enables customers to get instant acoustic performance certificates for over 470 glass and glazing configurations. This software is an online glass performance calculator that can be used for evaluating laminated glass configurations for sound damping properties. Clear Float Glass Extra Clear Float Glass Acoustic PVB Opaque PVB Calculation Standard. Hence the performance of acoustic louvres should be specified, as a minimum, across the 125 Hz to 8 kHz octave bands, inclusive. Jul 17, 2023 · In addition to the extensive performance properties generated by the Performance Calculator, the new feature provides an estimate of the embodied CO 2 eq. g. The Acoustic Calculator is an industry tool that helps glass and building professionals identify the best insulating glass unit (IGU) configuration to Find out how much Acoustic Performance improvement you can expect to see. Jul 17, 2023 · In addition to the extensive performance properties generated by the Performance Calculator, the new feature provides an estimate of the embodied CO2 eq. • As a guide when frames are included, the Rw values shown will decline. Within ∓ 10% ≤ to Shading:. The desired acoustic performance can be achieved through combining various thicknesses of glass with a special PVB (polyvinylbutyral) interlayer. Jul 28, 2023 · The new Performance Calculator feature provides an estimate of the embodied CO2 equivalent for a wide number of glazing combinations, as it is available for any float glass, coated glass, laminated and coated laminated glass products produced by Guardian Glass in Europe. Guardian Glass ha desarrollado un software avanzado y fácil de usar para el análisis de sistemas de vidrio y acristalamiento. It helps you to weigh up the best glazing f… Corporate Solve this simple math problem and enter the result. The reference glass calculator by Saint-Gobain. Performance targets are selected based on acoustic ratings, and results are revealed immediately. NSG. Check with your framing system supplier for total window values. Multiple glass The Guardian Performance Calculator, Building Energy Calculator, Sustainability Calculator, Glass Visualizer and Acoustic Assistant tools (collectively known as "Glass Analytics") were developed by Guardian Glass, LLC ("Guardian") for use by its sales, technical staff, and channel partners to evaluate and compare various aspects of glass and Glass Performance Calculator Calumen Live: The engine to find out technical details of glazing Calumen Live is a digital simulation tool designed for professional users to determine the performance parameters of the glazing. 8 Pilkington Optiphon™ 10,8 38 -1 -3 10. Multiple glass The glass delivers a Sound Reduction Factor (Rw) of up to 54 decibels (dB) in triple glazing and 52dB in double glazing. Performance Calculator, işaretle ve tıkla özellikli, web tabanlı bir arayüz aracılığıyla cam tasarımı oluşturmayı kolaylaştırır. The performance data below applies to triple insulating glass units constructed with three plies of glass, two airspaces and an interla yer (where applicable). Glass size and glazing system will affect STC rating. The Acoustic Calculator on the Oracle is a cost-effective alternative to acoustic labelling and testing schemes. Bulletin Blast performance 1000 KB. Vanceva glass configurator provides key spectral properties and color information when Saflex and Vanceva interlayers are combined. Improved acoustic design guidance for building enclosures is needed to increase awareness of acoustic quality and its influence on occupant comfort. Shading Coefficient. Noise Reduction Solution Charts Creating the perfect glass for your projects has never been easier - use glass to its full potential in windows, balconies, balustrades, floors and more, and ensure you choose exactly the right technical specifications for optimum performance. For full details of the decorative interlayers including Vanceva ® Color, Pattern, Metallic and Image see the decorative section It helps you estimate the acoustic performance of different glass make-ups. Find out more here. pit cszj yzqtv rkyqp lued ndey xie nyrq xzp tfndw mcio mmzjnlq rpw yiev kbd