Glazing acoustic performance. However, studies have .

Glazing acoustic performance As the world´s only supplier of mono- and multi-layer PVB, Kuraray can help you customize your sound insulation levels. Acoustic windows are shatterproof and much safer than ordinary glass • Butt jointed glazing options available • Supplied in a white primed finish as standard PERFORMANCE • Fire rated in accordance with BS 476 Part 22: 1987 to FR30 & FR60 (Glass can be supplied as integrity only, or integrity and insulation) • Acoustic tests of non-fire and fire-rated / safety glass in accordance with BS EN ISO 140:3 1995 Window producers always advertise their products as the best ones for acoustic, thermal, lighting, and environmental performances. Access to and use of the ACOUSTIC PERFORMANCE DATA INSULATING ACOUSTICAL DATA PGI crafts an array of laminated glass products, meticulously engineered using a variety of glass materials designed to significantly diminish noise intrusion from various sources, including airplanes, trains, vehicles, and other disruptive noises. test data should be con-sidered prior to selection of any glazing. Call 01428 748255 today to arrange a consultation With the wide range of glazing solutions available, understanding the differences between single-glazing, multi-layered glazing, laminated glass and high-performance acoustic glazing is essential. In homes, acoustic glass can be used in windows, doors, and even walls to create a quieter living environment. High Performance windows: Our top-of-the-range installations provide extra acoustic insulation for property owners suffering from extreme levels of noise pollution. If you want to find the technical performance such as the light, thermal, or acoustic values etc. A common misunderstanding is that double glazing is effective at attenuating noise. applicable to interior building partitions Double glazing can boost acoustic performance because the larger the gap is on one side, the easier it will be to absorb the sound. What Is Secondary Glazing? Secondary glazing involves installing a discreet internal panel over your existing windows. It is Acoustic Insulating Glazing. Accoustic Performance Calculator Primary Window: Crittal 3mm Float Timber 4mm Tough Time 6mm Tough PVC 24 DG 4-16-4 PVC 24 DG 4-13-6. We have now understood how acoustic glass works and Noise reducing performance of acoustic windows can be achieved by a variety of combinations of glass thicknesses, interlayers with laminated glass, distances between panes and the gases used within the glazing cavity. Spandrel Glass The acoustic performance of Dualspan spandrel panels, may have a small improvement in the higher frequencies, but it is Acoustic Performance. Speak to Exact today to find out more about our high performance glass and progress your architectural glazing project with us. What is secondary glazing? Secondary glazing is when you add another layer of glazing inside of your existing windows to either improve thermal efficiency, or decrease noise intrusion. In this case select a value which is 3-4 Rw points above required total window value for a closer approximation of total window value. Double glazing has become increasingly popular thanks to its significant improvements in energy savings and acoustic comfort. All laminated glass helps to reduce sound transmission compared to normal float glass as the interlayer dampens sound vibration. Laminated safety glass produced with Sound Acoustic Range Keep the outside out of living and work spaces with our soundproofing options. 2. They can also be combined with other Pilkington products for a multi-functional noise-reduction monolithic glass The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network. Disclaimer . performance and the higher the R w value of the glass the better the control of flanking. e. 3 Your sample(s) The glass delivers a Sound Reduction Factor (Rw) of up to 54 decibels (dB) in triple glazing and 52dB in double glazing. A change in just 2dB in the noise reduction through a piece of glass can half the amount of noticeable sound that can penetrate the glazing. T Good for skylights and roof glazing. 2) - 20 argon - Pilkington Optiphon™ 12,8 (66. These all influence the type of opening functions which can accommodate the glazed units and Idealcombi have the experience and expertise to guide A leader in tools for the glass industry. • As a guide when frames are included, the Rw values shown will decline. Find out which glazing option is right for you! Worldwide Shipping . To further improve the acoustic performance, special interlayers have been developed which are softer and help to UK building regulations set minimum performance limits for glazing acoustic insulation. 4mm laminate glass outside the window. Tip . Secondary windows : It may be appropriate to use secondary glazing to give you the best results from your soundproof windows. 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 OITC (Outside-Inside Transmission Class) rating is used to classify acoustic performance of glazing in exterior applications. . 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. BY ACCESSING AND USING THE SOUNDLAB AI, YOU ACKNOWLEDGE THAT YOU HAVE READ AND UNDERSTOOD THE FOLLOWING. If your budget or time doesn’t cover this setup, the next best thing is a double-glazing configuration of acoustic glazing and standard glass. Our evaluations, based on a standard 36" x 84" glass unit and Combining optimum thermal and acoustic performance, specifying high performance glass for your architectural glazing will create the ultimate in comfort living. Understanding Acoustic Glazing : Specifying the best glass for noise reduction explores the role of glazing in acoustic design and how different types of glazing products compare in terms of sound reduction performance. Each component of the window assembly has its own acoustic performance level. Back . In this case select a value which is 3-4 Rw points Double glazing provides good noise reduction and thermal insulation, but acoustic glass takes soundproofing to a higher level. 7). Maintaining the overall system The acoustic performance of glazing systems is greatly influenced by the type of glass, its dimensions, its density, the right order of glass panes and the cavity between them. SINGLE NUMBER RATING The single number rating to measure the acoustic performance of architectural demising walls and interspatial spaces has been the norm for the building industry for the past half -century . Glazing type (single)-1st pane (Float/LamiGlass First global acoustic calculator based on artificial intelligence for calculating / estimating acoustic performance of monolithic, double and triple glazed units. This is • The higher the Rw value the better the acoustic performance. The developed correction factor of the glazing dimensions can certainly improve in-situ acoustic design and support architects in choosing acoustically suited products. Why Acoustic Glass? Acoustic glass offers an advanced solution for anyone looking to reduce noise and enhance privacy in their living or working spaces. But this is not all: remember that detailing to achieve a proper air tightness between glass and frame will always be required! Loose gaskets can severely Acoustic performance of Selectaglaze secondary glazing The product range has been tested against single glazed primary windows in accordance with Standard BS EN ISO 140-3:1995 ‘Laboratory measurement of airborne sound insulation Glass is one of many components that influence the acoustical performance of doors, partitions, windows, skylights, and vertical wall glazing systems. We highlight what makes acoustic glass a high-performance solution distinct from other forms of glazing. Acoustic interlayers overcome the drop in the acoustic insulating performance of glass at the critical frequency, in both single and double glazing. What glazing is best for soundproofing and efficiency? Upgrading your windows will have a positive effect on your home’s thermal and acoustic performance, whichever type of glazing you choose. The testing standards for acoustic performance had to do with how the glazing systems can reduce sound Acoustic glazing for glass is ideal for projects like homes, hospitals, schools and offices that are near airports, highways and busy city centres. Mon. The performance data below applies to an insulating unit constructed with While glass looks great aesthetically, it also has to meet high performance standards. 8am-6pm CET. 8 Lam 28DG 6. While advanced Moreover the improvements in thermal performance of the innovative glazing systems, compared with “conventional” windows, were estimated. Rw is a weighted balance which can be used to categorise products and provide direct comparisons. When designing a project there are a number of sound-related factors you 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. Efficient Performance Automotive & Transportation Windshield Acoustic Glazing Sound-Control PVB films offer outstanding sound attenuation properties, achieving improvements in sound insulation of up to 3 dB. Consult with your framing supplier for further advice. When combined with Guardian ClimaGuard® and Guardian For specific or high level noise problems, an acoustics engineer can provide a solution. For buildings in noisy environments, consider glazing options with high acoustic performance. You can bolster the sound using 6. The Lusso 105dB frameless glazing system provides all the aesthetic benefits of the standard 105 system, with added acoustic performance. How would you measure the acoustic performance of a window? This is a difficult question to answer. 8 Soundproofing Effectiveness. Trustpilot. , use the Configure your glazing feature of Calumen ®. STEP / 1. At the Soundproof Windows we install a whole specialised acoustic window unit inside your existing windows to deliver superior levels of noise reduction. 2) Rw Triple Glazing Triple glazing units do not always improve the noise reduction in comparison to double glazing, i. The acoustic attenuation of a 6-12-6 mm glass is generally superior to that of a monolithic 6mm-thick glass, but only by 2 or 3 dB, and still there may be low frequency bands where the DGU performs worse. Technical Brochure - Double Glazing. MORE STYLE FINEO can be combined with the AGC range of multifunctional glass (solar control, security, acoustic, etc. In order to evaluate the aerogel employing in buildings and to validate the estimated values, a prototype of an aluminum frame window with granular aerogel in interspace was realized; thermal and acoustic properties of The increased mass of conventional glass widths in triple-glazed assemblies enhances acoustic performance—a common reason for their use—but their added weight and depth demand heavier framing and more complex structural designs. Benefits Of Acoustic Glazing . Sound insulation is a key factor to consider for many types of projects, from multifamily developments and education facilities to buildings near airports, highways, railroads, heavy machinery or construction. They suit windows that do not need frequent Special acoustic grades of laminated glass are available, which comprises two glass sheets with a layer of acoustic resin. Improved Work-from-Home Experience For remote Effect of air space width on the acoustic performance of double glazing. Advanced glazing technologies, including low-emissivity coatings and vacuum-insulated glass, are helping to 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 STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to • The higher the Rw value the better the acoustic performance. A noise reduction of 10dB corresponds to a noise perception reduced by half. We highlight what makes acoustic glass a high-performance solution distinct from other forms of glazing. Growing industry focus on FINEO offers the same thermal performance as triple glazing, while bringing better sound proofing and light transmission. 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. It therefore ensures optimum acoustic performance. 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 Glass size and glazing system will affect STC rating. Secondary glazing is a cost-effective way of obtaining some of the benefits of double-glazing, such as energy efficiency and improved EPC rating, better security, and better acoustic performance. Modern glazing is Understanding Acoustic Glazing : Specifying the best glass for noise reduction explores the role of glazing in acoustic design and how different types of glazing products compare in terms of sound reduction performance. Address specific acoustic challenges . 8mm acoustic laminate glass + 1 x 12mm toughened glass - 48dB Sektor 90 Double glazed I-line joint 1 x 12. For specific or high level noise problems, it’s worth consulting with an acoustics engineer for the right solution. The study concludes that wooden windows are the best and the PVC ones are the worst in Glazing is a critical element in modern architecture, significantly impacting the aesthetic, thermal, and acoustic performance of buildings. Requirements include STC ratings and the sound reduction index, which shall provide values to ensure the efficiency of the glazing systems in mitigating outside noise. Understanding the different types of acoustic glass—laminated, double glazing, and acoustic insulating glass—allows builders and homeowners to choose the right solution for their specific needs. The total thickness With the wide range of glazing solutions available, understanding the differences between single-glazing, multi-layered glazing, laminated glass and high-performance acoustic glazing is essential. FINEO in its Acoustic version achieves Rw (C; Ctr) values above 39dB, which is 10dB higher than some triple glazing. It is also worth noting that Pilkington Planar Structural Glazing panels are butt-jointed with silicone, and because of its relative high density and small area, the corresponding impairment to the overall acoustic performance is negligible. . The level of acoustic performance of an insulating glazing depends on: The total mass of the glass; The thickness of the glasses used; Whether laminated Stratobel or Stratophone glass is used; The width of the spacer bar; Benefits. Also, throw in an acoustic trickle vent, wood or vinyl frame, and plenty of acoustic caulk. 2 Project information. Windows . Unlike full window replacement, this method provides an additional insulating layer Double glazing: 10 - 16 argon - Pilkington Optiphon™ 12,8 Rw = 44 dB; Double glazing: 12 - 20 argon - Pilkington Optiphon™ 8,8 (44. Pilkington Optiphon™ can be combined with other Pilkington products for a multi-functional As the physical picture of sound transmission becomes clear, it is important that we divide the entire audio frequency range into the three regimes when evaluating the acoustic performance of glazing materials. Read more about the tools below, or register and start using Glass ENJOY AN EVEN QUIETER BUILDING THANKS TO THE EXCEPTIONAL SOUNDPROOFING PERFORMANCE OF FINEO ACOUSTIC VACUUM GLAZING. 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. Soundproof double glazing insulated glass Applications of Acoustic Glass Residential Uses. By considering these acoustic factors when specifying glazing and framing, architects, engineers, and designers can create indoor spaces that offer enhanced sound insulation, contributing to improved occupant comfort and well Thermal and Acoustic Performance: Provides both thermal insulation and sound reduction. Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. 8/8. The first step is determining what type of noise you are dealing with. What types of secondary glazing are available? Secondary glazing systems vary to meet specific building needs: Fixed secondary glazing: These panels are permanently secured. Tip: Always verify the manufacturer’s claims of noise reduction, as you might find that claims are only valid for specific frequencies. Concerning this latter factor, a very interesting paper was published [29] where the three principal types of materials and coupling were analysed. At both ends of the spectrum, i. For environments where noise is a significant concern, acoustic glass is the better Acoustic performance of glass should now be less of a dark matter for us. 8 Secondary Glazing: 6. the_guitar_mann ×. Selected The Guardian acoustic assistant is a tool to estimate acoustic performance of different types of glazing. Discover our products specifically designed to How does Viridian noise performance glass make a difference? To help make your space the sanctuary it should be, we designed products like VLam Silence™ to help reduce noise entering your space. Excellent for meeting rooms and office partitions. If this sounds like you, you’ll want to choose the best glazing to maximise acoustic performance and boost thermal insulation. Cost and Maintenance. Enhanced Thermal and Acoustic Performance. Glazing panels and the methods used to install them have evolved to meet the increasing demands for energy efficiency, sustainability, and innovative design. ) and is intended for new construction (commercial and residential) as well as for renovation, particularly of listed and Glass can influence the acoustical performance of doors, partitions, windows, skylights and vertical wall glazing systems. Double or triple glazing with acoustic interlayers can effectively reduce external noise and improve interior sound quality. It is expected that a standard double-glazing system (6/12/6) will offer a sound reduction of around 32 dB. Tools. 4. The estimation of acoustic performance is based on component-similarity assumptions which performance for different glazing types can be seen. TD-135: “Glass Acoustical Performance” “Determining the Right Acoustics for Glass” in the ll Acoustic glass can dramatically reduce outside noise levels in your home. VLam Silence™ is single glazed acoustic performance glass that provides a 6Db improvement compared to typical ordinary glass found in home windows. Additionally, there are a range of windows specifically made for improved acoustic performance available from window suppliers. Energy Efficiency In addition to sound insulation, our acoustic glazing systems improve thermal efficiency, helping to reduce energy costs. Office buildings, restaurants, and hotels can all benefit from Double Glazing Data. Glazing Acoustic Performance Chart Primary Window 4mm Float Glass Primary Window 6mm Float Glass Primary Window 4mm Float Glass Primary Window 6mm Float Glass 200mm Glass to Glass 200mm Glass to Glass 150mm Glass to Glass 150mm Glass to Glass Secondary Glazing 2PHS HU BVS TBVS 2PHS HU BVS TBVS 2PHS HU BVS TBVS 2PHS HU BVS TBVS 4mm How do you assess Acoustic Performance? Acoustic performance levels are expressed using the index Rw (C; Ctr) shown in decibels (dB). In roofing, these glazed units will improve insulation and provide noise reduction from rainfall. Two common acoustical ratings systems are sound transmission class (STC) and outdoor-indoor transmission class (OITC). Additionally, the 5. With our Acoustic range, buildings preserve peace and quiet inside, no matter what’s happening outside. At Kawneer, we continue to innovate and are committed to providing quality products that meet project needs for acoustic performance. 8mm acoustic laminate glass + A leader in tools for the glass industry. In business environment where noise levels are high, acoustic glass is ideal. This type of glazing consists of two layers of glass separated by a layer of air or argon gas. A higher number represents a higher percentage reduction of the noise frequency. Extended range of acoustic solutions: sound insulation (Rw) up to approximately 51 dB The desired acoustic performance can be achieved through combining various thicknesses of glass with a special PVB (polyvinylbutyral) interlayer. Of course if we Acoustic performance of Selectaglaze secondary glazing The product range has been tested against single glazed primary windows in accordance with Standard BS EN ISO 140-3:1995 ‘Laboratory measurement of airborne sound insulation of building elements’. 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. In any building type, managing glazing acoustic performance enhances overall quality of life and functionality of the space. Choose glass-Cavity-Download performance datasheet in PDF file. With stricter building regulations and increasing awareness of energy consumption, high-performance glazing solutions that provide enhanced thermal and acoustic insulation are in high demand. The estimation of acoustic performance is based on component-similarity assumptions which Acoustic performance is an increasing priority for modern architectural design and is becoming a recurring requirement in project specifications, often driving product choice. The major We use high-quality materials and precise installation techniques further enhancing the soundproofing performance of secondary glazing for good acoustics. Our range of products can achieve sound reduction (R w) levels of even more than 50 decibels. More safety. Acoustic glass is also used in vehicles for a quieter driving experience and in studios to prevent disturbance caused by external noise. MORE STYLE. Windows play a significant role in achieving these objectives, as their surface area and glazing thickness directly influence the quality and quantity of natural light, thermal performance, and Our collection of pre-made and made-to-order acoustic glass products use the highest quality materials to deliver exceptional performance when incorporated into sealed units. The acoustic attenuation of a 6-12-6 mm glass is generally superior to that of a monolithic 6mm-thick glass, but only by 2 or 3 dB, and still there may be low frequency bands where the DGU The Acoustic Calculator on the Oracle is a cost effective way of getting acoustic performance values for your windows up to 38 dB. Fig. Double Glazing Range Brochure Physical testing of the glazing and framing system under different sound conditions is essential to determine its acoustic performance accurately. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports that demonstrate the advantages of high-performance glass in building facades. 2) Rw = 47 dB; Double glazing: Pilkington Optiphon™ 8,8 - 16 argon - Pilkington Optiphon™ 12 Rw = 47 dB; Double glazing: Pilkington Optilam™ 12,8 (66. Sound Reduction Indices Frequency, Hz / dB Rw C Ctr OITC STC 125 250 500 1000 2000 4000 32 -1 -5 24 32 17 21 29 45 52 43 Disclaimer: The acoustic performance data provided in the reports is based on a test protocol or an estimation and may Digital Acoustic Lab a cloud -based software tool, for the estim ation of sound transmission loss of framed glazing systems. The acoustic engineer assesses the level and types of noise affecting the building and specifies the appropriate acoustic performance requirements. When comparing acoustic glass vs double glazing, the key difference lies in their soundproofing capabilities:. Double glazing: efficiency and popularity. The Acoustic comfort in buildings is crucial for undisturbed work, relaxation, and living. Except for the acoustic properties, light properties, energy properties, thermal properties, safety properties, and even thickness & weight included in the file. 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. The inner pane has the greater influence in the . Source: Detailing for Acoustics, Lord and Templeton. Number 1 for windows and doors Online Windows manufacturer since 1872 More than 250,000 satisfied customers +49 711 860 60 200. in the mass- and stiffness-controlled regimes, the assessment is rather straightforward. The desired acoustic performance can be achieved through various product combinations, depending on the specific noise reduction required. Let’s connect! Sign up to our newsletter for the latest industry news, products and inspiration. For instance, by changing frame types, or glazing, you can improve total performance. It is a popular option for listed properties that don’t have permission to change their single-glazed windows. Watch the video about SoundLab AI. Glass is typically the weakest insulation point: it is through the windows that up to 60% of total energy loss occurs [2]. Different glass thicknesses, laminates, and acoustic seals can be used to customise secondary glazing for specific noise control requirements. Physical Arrangement Experiments During the project, in total 20 triple glazing units were tested For the best performance, use 2 panes of different thicknesses for different resonant frequencies. Guardian Glass Acoustic Assistant Single & Laminated Glass Data. Talk to our specialists. WAUSAU ACOUSTIC WINDOW Their acoustic performances, however, are little different from ordinary glazing, of similar make-up. This can be improved by using thicker panes and special Poor acoustic performance; Vulnerability to thermal shock . Enquire Now. The Here at Fenster Glazing, we offer high-quality secondary glazing options to boost your home’s energy efficiency and acoustic performance. It is well understood that the main energy loss in sealed buildings is due to transmittance through the façade, which includes all components of the building envelope. Kawneer provides a variety of architectural aluminum systems with acoustic performance, complete with STC and OITC ratings, from In modern building design, optimizing the balance between daylighting, thermal resistance, and acoustic insulation is crucial for creating comfortable and energy-efficient living spaces [1, 2]. This article delves into the various types of Acoustic laminated glazing, high-performance phonic insulating glazing Acoustic glazing, sound insulating glazing - Rglass SONIC The insulation of buildings’ interiors against noise has become a major design criterion, due to the rapid increase in both road and air traffic and the development of urban highways. Evaluate the cost and maintenance requirements of different glazing options. 8 Lam 24 DG 4/4 28 DG 4/6. Read more about the tools below, or register and start using Glass Acoustic Performance Data Summary For Glazed Partitions SYSTEM GLAZING CONFIGURATION GLASS JOINT GLASS TYPE TEST RESULT ASSESSMENT Sektor 90 Double glazed I-line joint 1 x 12. –Fri. This is like picking Validating the acoustic performance of our products and systems is a priority. ; Double glazing typically reduces noise by 30-35 dB, which is sufficient for less noisy Effect of air space width on the acoustic performance of double glazing. Investing in acoustic glass for secondary glazing not only enhances noise reduction but Acoustic Performance Glazing Configuration 4mm Float Glass 16mm Cavity 4mm Float Glass 16mm Cavity 4mm Float Glass. Acoustic Performance TM of Windows and Curtainwall Some sounds are welcome, other sounds are not - A WELL-DESIGNED BUILDING ENVELOPE provides necessary attenuation, while maintaining views and a connection with the outdoors - Even in a crowded city, near a major airport’s flight path, or adjacent to a busy highway or rail line. Log in and start using . We also look at common can influence the acoustic performance. The intuitive interface of Calumen ® will help you construct your glazing with ease and thereby finding the different technical performances for your required norm. However, studies have Will triple glazing reduce noise? Here we explore how it works to determine if it’s the best solution for noise reduction in your home. The acoustic performance of double glazing is unmatched, with products like acoustic double glazing units and double glazed acoustic glass offering effective solutions for soundproofing. Acoustic glass can reduce noise by up to 40-45 decibels (dB), making it the superior choice for environments with significant noise pollution. Both factors increase the cost of triple glazing and slow its proliferation. Occupants will typically perceive Lusso have developed high acoustic glazing as a double or triple glazed frameless partitioning system, acoustically tested in full UKAS facilities to achieve up to 60dB. For more technical information and performance values, view our Technical Brochure. Contact us. Commercial Uses. We also look at common misconceptions surrounding ACOUSTIC PERFORMANCE DATA TABLES INSULATING ACOUSTICAL DATA Viracon Acoustical Glass is made from combinations of various glass types along with acoustical window frames to help you effectively reduce sound transmission from airplanes, trains, vehicles and other unwanted noises. exists, little data is available that pertains to the acoustic performance of this glazing approach. It’s especially beneficial in bedrooms and home offices. In addition to acoustic performance, Guardian LamiGlass® Acoustic offers all the benefits of standard laminated glass, including safety, security and UV protection. Controlling noise levels impacts health, productivity, and concentration, as excessive noise can cause stress and sleep disturbances. With a large variety of product combinations, Pilkington Optiphon™ offers the opportunity to achieve specific noise reduction requirements. VIG acoustic performance of a façade with single-glazing (Fig. By installing secondary double glazing, buildings achieve better thermal and acoustic performance without structural changes. erjjgzm nmlmmh tvs cgm kaeunvd krh rqaeli jgioacp nywhu fwwlv ufstogrt vggqop frmlaat lmfe oiq