Interior glazing acoustic performance pdf. ) Interior PVB thickness (in.
Interior glazing acoustic performance pdf Selected 2 GLASS PERFORMANCE DAYS 2012 www. The STC (Sound Transmission Class) rating is a single-num ber rating system for interio r build ing partitions and viewin g windows used to catego rize acoustic performanc e. All laminated glass helps to reduce sound transmission compared to normal float glass as the interlayer dampens sound vibration. Nearly all buildings have areas that could be adversely affected by high levels of sound transmitted from outside. The acoustic performance of glazing is expressed using the weighted sound reduction index Rw, expressed in decibel (dB). Our sophisticated technologies and attention to aesthetics have extended us to the forefront of the interior glass wall market. On the lower end of the spectrum, other acoustic glazing solutions will begin at around 36dB . Single-glazed facades contain one glass panel. Glass siz e and glazing system will a˜ect STC rating. Lab tests and numerical simulations are conducted for verifying the performance of acoustic glazing constructions as well as making predictions. Because films are thinner than glass, the use of these films can reduce the weight of the entire window compared to an glazing transparent component achieved high performance in terms of acoustic and thermal comfort conditions. glazing and/or utilizing a double-glazed unit with one or both panes laminated. Interior Soundproof Glass Window An important part of performance relates to acoustics, whether it’s large, dramatic panels used for the exterior of a building, or smaller panels used to create interior partitions. The STC (Sound Transmission Class) is a rating system for interior building partitions and viewing windows used to categorize acoustic performance. However, thicker glazing might impact the daylighting and acoustic properties of the window, illustrating the need for a multi-objective optimization approach [10]. 5mm 36 87 8% 72 7 <1% 5. When used in overhead or roof glazing, double glazing window also provides insulation from rain impact noise. The desired acoustic performance can be achieved through combining various thicknesses of glass with a special PVB (polyvinylbutyral) interlayer. com). Multiple adapters are available in configurations for installing the aluminum frames either before or after the drywall, completely covering the end of the Feb 11, 2025 · Having covered the basics of acoustics in An Introduction to Sound Control, let’s take a look at window options that affect acoustic performance. O. Some of the considerations when specifying acoustical glazing include occupancy conditions, the type of anticipated noise, applicability of the acoustic performance rating system, and Glass is one of many components that influence the acoustical performance of doors, partitions, windows, skylights, and vertical wall glazing systems. Glass size and glazing system will affect STC rating. As a result, it is not recommended for glass selection of exterior wall applications since the single-number rating was achieved under a specific set of acoustic laboratory conditions. When designing a project there are a number of sound-related factors you need to understand and take into consideration, including: Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. Caption. by applications Sigco_Lami Brochure_Rev2018. *OITC is estimate d base d on this test. reduced lead times for re-glazing ANTI-VANDAL GLAZING Glazing with LEXAN MARGARD sheet can be an excellent candidate in areas where there may be a risk of vandalism. , https://www. Modern glazing is designed to prevent heat loss and reduce noise transmission and will therefore help to create a better interior living environment. Making a monolithic glazing thicker, however, while providing some acoustic benefit, drives the acoustic coincidence frequency lower (as can be seen from Equation (2) above), much as 200 mm for optimised acoustic performance, often filled with a heavier gas such as Argon, or the more expensive Krypton and Xenon, for optimised performance. Saflex Acoustic is an advanced, three-layer system designed to decouple and disseminate sound waves for superior sound dampening performance. Choose glass-Cavity-Download performance datasheet in PDF file. glazing materials, such as Saflex® Acoustic interlayers with proven sound-dampening performance. SECURITY GLAZING LEXAN MARGARD sheet can prevent a Acoustic laminated glass adds noise reduction to other benefits of laminated glass, helping to reduce noise levels so that people can be more comfortable in their living and work spaces. achieving higher acoustic per-formance in automotive glazing. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. 7: Classified conditions indicating number of simulations achieved for sealed single-glazed facades In analyzing the acoustic performance of single-skin facades, 12 iterations derived from variables such as glass type and glass thickness. We factory assemble for rapid, simple installation and ensure perfect integration with any construction system. indd 2 1/13/19 3:57 PM Acoustic comfort in buildings is crucial for undisturbed work, relaxation, and living. IAC Noise-Lock® acoustic windows are laboratory tested and manufactured with precision from strong, durable metal (aluminum or stainless/galvanized steel) with reliable acoustic seals. 4 Astragals: Metal acoustic, with integral acoustic seals for double doors. E413-87 in an acoustica l wall. Standard frame finishes include: polyester powder coated finish (RAL), brushed finish, stainless steel finish and custom finishes are also available. 7 0. Results are used to assess reverberant field in the hall and evaluation of acoustic performance after intervention. Acoustic Glazing - Sound Control; Acoustic Glazing pdf. 4 Interior Doors Acoustic Performance Acoustic Rating Frame Depth Minimum Inches (mm) Glass Thickness Inches (mm) Glass Type Weight lb/ft2 (kg/m2) Test Report 63 125 250 500 1000 2000 4000 8000 STC 35 18 24 29 31 35 36 40 41 4 (102) 1/4 (6) LSG 5 (24) 543-82-2 39 27 30 33 36 39 42 48 53 4 (102) 1/2 (13) LSG 8 (39) VW-549-1-83 53 17 31 40 53 59 62 60 58 8 (203 ACOUSTIC PERFORMANCE FACADE Interior Glazing: Commercial Systems Windell Ltd 108 - 114 Moneymore Road Magherafelt Northern Ireland BT45 6HJ Tested by: Pilkington Windell use a combination of Pilkington OptilamTM and Dorma Universal Patch ittings for Interior Glazing Table: Sound Insulation data for Pilkington OptilamTM and Pilkington OptiphonTM GLAZING AD Systems offers a variety of glass types and options to help you meet your desired aesthetics without sacrificing the performance features of a solid door. P. Branching into timber construction As sustainability and biophilic design receive more emphasis, mass timber projects and timber curtain wall systems will likely see increased popularity. Maximum Panel Width: 70 7/8” Maximum Panel Height: 118 1/8” Frame Depth: Variable based on size/performance requirements; Frame Width: 2 1/16” Exterior | 11/16” Interior; 3 Sill Options Acoustic assistant. In any building type, managing glazing acoustic performance enhances overall quality of life and functionality of the space. Dual-pane windows Acoustic performance. acoustic performance. gov. The Vision 3 design reflects the more traditional interior storefront systems available on the market. Read more about the tools below, or register and start using Glass May 14, 2021 · Double Glazing Data. Read more about the tools below, or register and start using Glass The Guardian Acoustic Assistant is a tool to estimate acoustic performance of different types of glazing. 15k 4k Sound Transmission Loss(dB Sep 13, 2024 · The suspended coating glazing includes ‘Suspended Coated Films (SCF)’ or only ‘suspended films’ in between the exterior and interior glass panes, which acts as a third or fourth ‘glass pane’ as shown in Figure 2(a). This level of noise reduction cannot be achieved by mono-layer acoustic films. Acoustic measuring equipment has a correction factor to reflect the sensitivity of the human ear; this is known as the ‘A-weight’. ft. ) Interior PVB thickness (in. It’s also ideal for interior applications requiring sound reduction such as cubical dividers, office partitions and enclosed mall storefronts. An Approach to Improve Acoustic Performance in Multipurpose Halls. Since the medium for six field-test sound conditions were single-glazed facades, singleglazed facades were simulated to determine the acoustic performance a façade with a single glazing. In this study, single-skin facades are composed of an insulated glazing unit, IGU. Suitable for use with solar control and double glazing applications, our acoustic glass solutions dramatically reduce noise penetration. 1 Introduction Energy efficiency and sustainability of buildings are nowadays major concerns. It's particularly effective for interior partitions as it reduces the ‘coincidence dip’ attributed to monolithic glass in the 1000–3000Hz range, a range attributed to the human voice; This fact sheet focusses on glass and glazing and looks at the different configurations available as a means to reducing sound transmission. Another standout feature of the X-Series partitions is their sustainability. The answer is not less glass but new glazing materials, such as Saflex® Acoustic interlayers with proven sound-dampening performance. Specifically, we’ll review the combinations of components and window types that are optimal for sound control. INT67 Interior Flush Glaze framing allows easy incorporation of standard aluminum framing with 4-7/8” metal stud and drywall systems commonly used in commercial office and retail space. The Movare ™ Movable Single Glazed Wall System acoustic performance is rated up to 49 dB Rw. Sound is relative and people can perceive sound differently as sound is measured over a range (termed frequency and measured in hertz – Hz). User's have the option to estimate the acoutic performance of glazing, find glazing solutions for an acoustic performance, or directly access/view the acoustic performance table. By downloading any Bulletin Blast performance 1000 KB. 2 Reinforce doors where surface-mounted hardware is required. 7). Proper glazing thickness and materials can significantly enhance thermal performance, reducing energy consumption for heating and cooling [9]. 4mm Acoustic Laminate 51 52 53 48 . When specifying laminated glass for sound performance, be sure to also consider acoustic framing or window choices. The Guardian Acoustic Assistant is a tool to estimate acoustic performance of different types of glazing. 40, 41 On the other hand, the examined site is within 60 dB noise Designed to provide architects, specifiers and contractors with the technical information needed to achieve the best project outcomes, our manuals include system details, thermal and structural charts, performance specifications and CAD and 3-D models for easy integration into any architectural design. The estimation of acoustic performance is based on component-similarity assumptions which Dec 12, 2021 · Acoustic performance . The Guardian acoustic assistant is a tool to estimate acoustic performance of different types of glazing. It minimizes the risk of costly re-glazing and allows frequent cleaning or removal of graffiti without causing damage. 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 types. We’ve recently delivered an innovative solution to use larger 120mm door stiles for doors requiring 10-13mm thicker glass for higher acoustic performance. Our sophisticated technologies and attention to aesthetics have extended us to the forefront of the interior glass wall market Acoustic performance glass from Viridian is the proven, superior alternative. The estimation of acoustic performance is based on component-similarity assumptions which MEASURING THE ACOUSTIC PERFORMANCE OF A WINDOW Sound or acoustic performance of a window is measured by the weighted sound reduction index or Rw value. [Sharaf F. COLOUR THICKNESS RW VLT VRO VRI ST SR UVT UVAL SHGC SC (kg/m²) WEIGHT VLam Hush™ Clear 6. ) STC OITC Projected Windows In addition to acoustic performance, Guardian LamiGlass® Acoustic offers all the benefits of standard laminated glass, including safety, security and UV protection. 3 MB. [Standard UNIVERSITY OF THE WEST OF ENGLAND ACOUSTIC TRANSMISSION THROUGH SINGLE AND DOUBLE-GLAZED WINDOWS May 2005 Building Services Engineering Laboratory Report A laboratory test report submitted by Kan-chane Gunawardena for the assessment of the Building Services Engineering module, in contribution towards the degree of Bachelor of Arts (with Honours) in Architecture and Planning at the School of Jun 23, 2013 · Thus, street and airborne noise reduction up to 40 dBA is possible, with double skin facade having various design interventions. 25k 1. 90 15. This is achieved using high-quality materials and innovative design, which minimizes sound transmission. 78 0. 75-in x 4-in profiles offer a versatility and reliability that can give certainty to any design challenge. Rw values are determined by measuring the reduction in dB achieved where a window is used to insulate against a sound source. Confirm STC ratings with manufacturer (e. Pilkington Optiphon™ is a high quality acoustic laminated glass that offers excellent noise reduction without compromising on light transmittance or impact performance. This is especially a challenge for designers and engineers developing urban projects along highways, railroads, and airports. 8mm acoustic laminate glass - 50dB Led by design, Avanti Systems USA is renowned for the innovative manufacturing and distribution of interior glazed solutions, including acoustic solutions, operable walls and door systems. Tempered Glass Led by design, Avanti Systems is renowned for the innovative design, manufacturing and distribution of interior glazed solutions, including acoustic solutions, operable walls and door systems. The Rw value will increase as the acoustic performance of a window Approaches to Acoustic Performance Improvement - The naive approach to improving the acoustic performance of a window is to simply make it thicker, of course. g. There are several options and upgrades you can implement to eliminate this noise, including adding drywall, filling gaps with acoustic sealant, and upgrading doors. The unique extruded aluminum profiles can be configured in many combinations and cut on site. Noise movement through even the smallest cracks is called acoustic flanking, whereby glass walls constructed from 50 STC-rated materials can drop into the mid-30s. Sep 30, 2020 · From an acoustic point of view, this brings a challenge for the interior comfort. acoustic core to achieve specified STC and fire performance ratings. Acoustic glazing units, such as Guardian LamiGlass Acoustic can deliver a noise reduction factor of up to 54dB in their triple glazing units and 52dB in the double glazed unit. Glazing Acoustic Performance Chart Secondary Glazing 2PHS HU BVS TBVS 2PHS HU BVS TBVS 2PHS HU BVS TBVS 2PHS HU BVS TBVS 6. Isolating interior building spaces from exterior Open the catalog to page 2 These measurements are taken before and after the implementation of acoustic solutions. ) Exterior PVB thickness Air Space (in. When combined with Guardian ClimaGuard® and Guardian SunGuard® glass it also offers improved solar control and thermal insulation, light transmission, appearance and clarity. 4 Carefully consider and confirm with BCIT the amount of glazing to be used in rooms where speech security is required, as glazing typically reduces the room’s overall STC rating. May 6, 2020 · The mechanism of sound transmission through a solid panel is reviewed at a fundamental level, and the technical approaches to enhance sound transmission loss of laminated glass are discussed. ) STC OITC Projected Windows In addition to their versatility, X-Series partitions also offer excellent acoustic performance, ensuring privacy and sound insulation in busy offices. Some features include: full height floor to ceiling applications, faceted or curved configuration options, custom graphics and textures, dry jointed glazed installation (no abcb. Planet' s Pure range of glazed partitioning is perfect for contemporary interior styles. Compared to traditional double-glazing systems, the acoustic insulation level is much higher for the aerogel glazing systems. This study shows that the importance of acoustic and thermal performance should be considered together for more effective building design in accordance with user needs. This was mainly due to the weight of the glass and door sizing, and resulted in limiting the acoustic performance — that is, up until recently. Glazing options include: Tempered, laminated or LCD glazing. Optional beveled or pro˜led glazing rebates are available, while vents are integrated into system framing. SYSTEM GLAZING CONFIGURATION GLASS JOINT GLASS TYPE TEST RESULT ASSESSMENT Sektor 90 Double glazed I-line joint 1 x 12. Performance profiles and aesthetic options deliver value across price points. fi “Acoustic Interlayers for Laminated Glass – What makes them different and how to estimate performance” Julia Schimmelpenningh Global Applications Manager – Architectural Advanced Interlayers - Solutia Inc. PREMIUM AND CUSTOMISABLE GLAZED PARTITIONS. Custom Soundproof Window Glass Available – Safety Glass, Mirror Pane, Tinted, Etc. 8mm acoustic laminate glass + 1 x 10. 3 Drill and tap steel acoustic core for mortised, templated hardware. Vue Windows have been designed with acoustic performance in mind and come standard with features such as double silicon compression seals, multi-chambered profiles and all windows and doors can be double glazed. Bulletin - The Origina 1. . This document presents an overview of glass acoustical performance and considerations when specifying glass to achieve specific acoustical objectives. With the right glass combinations sound reduction of up 44dB is achievable. Structural silicone glazing (SSG) is generally unavailable Window wall made from unitized curtainwall - like Wausau’s Leading suppliers of aluminium profiles and ancillary products for commercial interior fit-outs The QIC Evolution glazed partitioning system has been designed to be virtually frameless with the minimum possible aluminium head and base track British Manufacturer QIC Evolution Frameless Glazed Partitioning System UK Approved Acoustic Performance Acoustic assistant. The VIG represents an improvement in lowering thermal emittance to similarly thick single glazing and larger double glazing units. Designed with ½” glazing as standard with no need for adaptors for different thickness glazing. 5k 3. INTRODUCTION Housing is most of the building stock in the world. Figure 4 also shows the STL of a similar size glass panel of much superior performance, with and 0 10 20 30 40 50 60 100 125 160 200 250 315 400 500 630 800 1k 1. 8mm acoustic laminate glass + 1 x 12mm toughened glass - 48dB Sektor 90 Double glazed I-line joint 1 x 12. It also is rated with a Class O Surface compared to ordinary glass, the new Saflex ® Acoustic PVB is a superior solution for architects specifying glazing systems requiring even higher levels of acoustic comfort. Premium, softer interlayers specifically designed to reduce sound transmission are also available. Full flush glazed interior storefront system accommodating most configurations, 90°, 180° and “T” post mullion/corner options. • Can be ordered initially as single-pane specification, with an option to add an additional glass layer, and installed throughout or only in areas where increased acoustic privacy is required. Maximum Glazing Sq. saflex. To indicate this, the letter ‘A’ is added and the decibel buildings thermal and acoustic behaviour and also its energy performance and sustainability. Read more about the tools below, or register and start using Glass acoustic performance of a façade with single-glazing (Fig. performance by any significance. The OITC (Outside-Inside Transmission Class) rating is used to classify acoustic performance of glazing in exterior applications. Controlling noise levels impacts health, productivity, and concentration, as excessive noise can cause stress and sleep disturbances. However, when the acoustical performance of the glass is enhanced, the same does not hold true. Fig. Dec 28, 2010 · The document describes the JEB partition systems which provide flexibility in design for office environments. Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. applicable to interior building partitions and viewing windows where the sound source is human speech and/or office equipment. Keywords 1= Acoustic, 2= laminate, 3= Sound Control, 4=Safety Glass, 5=Structural Glazing • Acoustical Performance of Curtainwall –Elements that affect noise level –Effect of glazing parameters • Noise from Curtainwall Systems • Sound Isolation at Vertical Condition • Sound Isolation at Horizontal Condition Goals Saflex Acoustic suppresses the coincident effect of glass and is ideal for use in exterior laminated glazing to reduce rail, traffic, speech and other airborne noise, and to improve building sound comfort. Many constructions, such There is no specific definition of acoustical glazing, but most acoustical glazing makes use of some combination of polyvinyl butyral (PVB) plastic interlayer, such as Saflex, and an air space between multiple lights of glass. Nov 26, 2009 · The acoustic performances of building elements such as windows are carried out in laboratory according to standards. Or go high tech with integral louvers or switchable glazing. Key Features Standard profile size of 132mm x 25mm, 132mm x 35mm, 132mm x 50mm Single Glazed Frameless Glass Walls are an aesthetically superior alternative to solid walls and a premium choice for organizing and dividing interior commercial spaces. Dec 18, 2018 · Besides, it is identified that there is a research gap in the acoustic performance of glazing systems incorporating phase change materials, and there is a lack of database on the optical A leader in tools for the glass industry. Mar 1, 2024 · Despite the emergence of acoustic metamaterials with superior sound absorption and transmission loss, their adoption for building sound insulation has been limited. It can be used for interior sound insulation needs, such as office partitions and meeting rooms. This publica-tion discusses these and other glazing features that enhance the TL of glass configurations. Unwanted sound in respect to the built environment can be 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 types. The standard 1. pdf. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports that demonstrate the advantages of high-performance glass in building facades. Buildings better acoustic performance Reinforced by a layer of DuPont Sentry Glass™, AIS Securityplus is up to five times stronger than conventional laminating materials. Keywords: Thermal behaviour, Acoustic performance, Energy efficiency, Sustainability, Multi criteria analysis. 4 Feb 7, 2022 · A Case Study in Acoustic Performance: Combating Highway Noise for a Peaceful Residential Interior The Modera West LA apartments are flanked by Interstate 405 and the Howard Hughes Parkway. Now vehicle designers are able to choose the best acoustic perform-ance in glazing systems without any risk of safety problems. Maximum Design Freedom Flexible design system that meets the vast majority of application, our system helps you bring beautiful spaces to life. T. cookielawinfo-checkbox-performance: 11 months: Nov 3, 2023 · Upgrading your windows will have a positive effect on your home’s thermal and acoustic performance, whichever type of glazing you choose. (Note: Using Custom Acoustic Window Glass May Change The STC Value) Acoustic Window Glass Shipped Separately to Avoid Breakage; Easy Snap-In Soundproof Glass Wall Installation On Job Site; Studio 4 Model – Noise S. Exterior applications Isolating interior building spaces from exterior sound is critical. System Features & Expected Performance. At IAP we have made a large commitment towards improving acoustic performance because we understand that excessive exposure to noise generates stress in the office environment and can be harmful to human health. In addition to the high cost of the experimental tests, the measurements at low Vision 3 Interior Storefront. au Page ii Acknowledgements The ABCB acknowledges and would like to thank the Acoustics Advisory Group who assisted in the preparation of the first edition of this handbook (2004). These systems have a classic appearance that will feel natural in any environment. The OITC (Outside-Inside Transmlssion Class) rating is used to classify acoustic performance of glazing in exterior Sound Transmission Class (STC) is a single-number rating system for acoustical performance, developed primarily for the typical interior noise spectrum. For the aerogel glazing in the south façade, the aerogel can increase the acoustic insulation level from 28 to 31 dB (Cotana et al. : 90 sq. This special interlayer increases the tolerance to greater loads while enabling a design of aesthetically pleasing and complex elements. Guaranteed acoustic performance; All doors are tested at an independent NVLAP approved testing facility; All hardware, acoustic seals and hinges are factory installed; Door includes custom cam-lift hinge design, eliminating the need for a threshold in many applications; Adjustable mortised bottom seal allows the door to adapt to site floor 4 / Roof Acoustic Performance SOUND MEASUREMENT Sound is measured in a logarithmic scale and uses decibels (dB) as the unit. PDF drawings of our TurnKey™ interior glass cladding system for quick-assembly backlit walls. STC is the most-commonly speci ed measure of acoustical performance - higher is better. 6k 2k 2. It can also be incorporated into double-glazed units Nov 6, 2024 · Further, channel glass can meet acoustic performance goals on both sides of the building façade with Sound Transmission Class ratings up to 44. The A Series 132 provides a central line glazing with numerous configurations and design options, offering a complete partition system for plasterboard and glazing. interior glazing beads, and framing sightlines interrupted by o˛sets. gpd. To help achieve desired acoustic performance, the complex was built with Silent Guard windows from the Colorado-based Prime Windows. Indeed, glazing has no absorption and classically has an acoustic insulation weakness around its coincident frequency. As a result of Saflex Acoustic PVB interlayer availability, architects and engineers can design elegant spaces that reduce perceived loudness by up to 50%—decreasing transmitted sound up to 10 decibels versus non-laminated glass, in the critical frequency range. REPRESENTATIVE ACOUSTIC TEST RESULTS Dual and Triple Glazing using Interior Access Doors Test Unit Description Frame Size (Nominal) Glass Description and Dimensions (Nominal) Overall Performance Glass Type No of Lites Width x Height (in. Ft. They offer aesthetic and acoustic performance with options for glass, solid, and door frames. Single- and double-glazed configurations fulfil a variety of acoustic and height requirements, while a standard 27mm aluminium framework ensures that glass remains the primary design feature. Wide range of glazing infill options available. The acoustic performance of glazing is expressed using two terms: Sound Transmission Class (STC) for measuring the sound transmission loss of interior walls, ceilings and floors; and Outdoor-Indoor Transmission Class (OITC) for measuring the sound transmission loss of exterior glazing applications. 1. Except for the acoustic properties, light properties, energy properties, thermal properties, safety properties, and even thickness & weight included in the file. Download. Choose different opacities, colors, designs and even materials such as markerboard, solid surface or resins. Acoustic glass consists of two or more sheets of glass, bonded together with one or more acoustic interlayers: Double glazing window. An additional advantage of the three-layer acoustic interlayer is that Dec 30, 2015 · • Framing has two channels allowing for double glazing with up to 44 STC. To further improve the acoustic performance, special interlayers have been developed which are softer and help to further dampen the sound transmission. 4 Its enhanced strength eliminates On the second floor, the curtain wall bulges outward to accommodate the recital hall. Pure. Unlike the planar lobby façade, the glazing of the recital hall is set at various angles which reflect sound at different rates, improving interior acoustics while giving the exterior a shingled appearance. , 2014). PERFORMANCE DATA Acoustic Glass A proven, superior alternative to standard glazing - Walshs Glass’ Acoustic Laminate can be used across a wide range of internal and external applications, and in environments where external noise can be problematic such as homes, offices, and hospitals. kzwwc aypbcrkc tnlyof mmpl sxre jkb orfi tliy pjz ghx hbpao kysr mfdphe jhok wnbcoqe