Laminated glass acoustic rating. Laminated Glass Color Laminated Glass.

Laminated glass acoustic rating Downloads: Product Data Sheet. Laminated glass provides higher mechanical resistance and security benefits. Transforming glass since 1983. In addition to acoustic performance, Guardian LamiGlass® Acoustic offers all the benefits of standard laminated glass, including safety, security and UV protection. For medium to high-frequency noises such as human voices and dogs barking, double glazing will STC rating, the more able the material is to resist the transmission of sound. 8mm acoustic laminated glass in single glazed multi-module screen Rw38dB Test ref: 542-432. The Revolution 100 double glazed system, for example, can accommodate a range of glass types and thicknesses, such as: 12mm toughened glass + 12. 030″ Acoustic PVB / 3. 160. 5 times When using insulating glass units, there are several options available, including increasing glass thickness; increasing the air space; evaluating different gas fills, spacers and sealant materials; and using different glass thicknesses for individual glass lites or a laminated component for one or both of the lites. To achieve your acoustic goals without settling for more expensive solutions, ask for dual-pane windows with dissimilar glass. The highest noise insulation is achieved using an acoustic laminated glass. Various performances can be achieved by combing different types of glass thickness and number of interlayers. Toughened Glass: manufactured in accordance with the latest standard ‘Glass in building – thermal toughened soda lime silicate safety glass BS EN 12150 : (Parts 1 & 2) : 2000, incorporating ‘Glass in building – impact test BS EN 12600 : 2002’ and ‘Glass in building – four point bending test BS EN 1288-3 : 2000’. 52mm laminated glass is 39. Created by sandwiching various interlayers in between two glass lites, this special adhesive adds strength and blocks soundwaves. it’s virtually indistinguishable from ordinary glass. While toughened, wired or patterned glass behaves acoustically the same as standard float glass, laminated glass reduces sound due to the vibration-dampening effect of the interlayer in-between. meaning that it has an Impact Safety Rating and can be used in Critical Locations. The desired acoustic performance can be achieved through combining various thicknesses of glass with a special PVB (polyvinylbutyral) interlayer. SoundPro calculates glass usage by performance or glazing configuration. QLam Hush™ dampens noise providing enhanced sound insulation performance 12. Wired Glass – this is a type of safety and security glass due to the wire netting embedded within it during the A laminated glass of 2+2 mm reduces sound at high frequencies considerably more than a monolithic glass 4 mm-thick (that’s 8 to 10 dB of additional attenuation). 7 Clear. For Monolithic Glass Increase glass thickness For Laminated Glass How is acoustic glass made and how does it work? Laminated glass consists of two or more layers of glass that are permanently bonded together with one or more polymer interlayers using heat and pressure. 24 Page 1 of 7 Due to continual product research and development, details listed are subject to change at any time. Laminated glass Aside from being cost-effective, acoustic laminated glass panels will certainly earn you some Sound Transmission Class is a single number rating for glass’s efficiency in reducing noise transmission. 76mm laminate acoustic glass (single glaze) Double glazed units fitted with acoustic glass We would like to show you a description here but the site won’t allow us. 0 PVB (3. This can then be used to select the correct glass for your requirements. 03. Our systems allow you to accommodate different thicknesses of glass, so a wide range of acoustic ratings can be achieved. At JELD-WEN, for example, we offer a variety of dissimilar glass The glass delivers a Sound Reduction Factor (Rw) of up to 54 decibels (dB) in triple glazing and 52dB in double glazing. sorting out my inane queries patiently. Varying thicknesses of glass and configurations (number of PVB interlayers) determine the level of safety or acoustic Overview. Customize your work environment for optimal productivity and comfort with our acoustic glass partition solutions. Hidden performance made clear by Fire Glass UK. User Login. (and more so in the acoustic PVB laminate) is clearly evident in the coincidence Laminated glass will help to reduce some outside noise and is better suited to low-frequency noises such as aeroplanes and road traffic. It is a logarithmic scale and ranges from 18 to 50 for windows. 38 Lam 33 -1 -3 33 6/12/6. 5 Hush 39 -1 -3 39 ComfortHush¹ 6. 030" P. Laminated glass increases the sound insulation by decoupling the glass panes and damping the vibrations generated by the sound waves. Custom laminated panels use a 0. achieve a single number rating of 50 weighted reduction (Rw) or sound transmission class (STC) in comparison to ~30 Rw or STC for an insulating glass unit with 4 mm glass [12 mm air space] 4 mm glass. SDAC™ Acoustic Control Glass. Laminated & Double-Glazed Glass. The gap between lites also provides acoustic insulation to improve STC ratings. The OITC (Outsi de-In side Transmission Class) rating is used to classif y acoustic performan ce of glazing in exterio r applicatio ns. -1/4" (total 1/2" thick), Window Energy Ratings; Leaded units; Quality Guidelines; Sound Reduction & Acoustic Glass 6. SOLO Framed Door . 8mm acoustic laminate glass + 1 x 10. Laminated Glass Construction STC OITC* 100 125 160 200 250 315 400 500 630 800 This Acoustical Glazing Design Guide has been prepared for the building design professional, manufacturer of Saflex protective interlayer used in laminated glass. It highlights that single AcoustaTM laminated glass can achieve better results, reducing perceived noise levels by h. 76mm thick QS sound reduction interlayer. The difference is what you can't hear. When used in overhead or roof glazing, it provides insulation from rain impact noise. How SoundPro works. Some OA Glass 1 Glass 2 Acoustical Ratings - Tuscany I V400 updated 09. Acoustic Rating. Heat efficiency usually requires a Dissimilar glass. Although laminated glass is effective at reducing noise transmission, how does it compare to other types of glass? Acoustic laminated glass offers improved levels of noise reduction over regular laminated glass. Laminated glass differs from standard glass in that it is two pieces of glass bonded together by an interlayer. Laminated Glass: Laminated glass consists of multiple layers of glass with an interlayer, usually made of polyvinyl butyral (PVB). 0) 7. Author: Tuan Thai Double-glazed glass can also achieve an STC rating of up to 40. V. The careful and considered selection of glass can be crucial in helping to reduce noise level and meet noise requirements. In addition to STC, another popular method of measuring a weighted average is the weighted sound reduction index R w. Guardian LamiGlass® Acoustic glass offers incredible sound insulation. STC. Find a Rep. 8MM ACOUSTIC LAMINATED Comprising of two or more panes of glass which are bonded together using a specially designed high performance clear PVB interlayer. 1 mm) 1/4" laminate 1/2", Air 1/4" 39 39 The STC value for a monolithic 6mm glass is 31, for an insulated 24mm glass is 35 and for a 13. *OITC is estimated based on this test. Ideal for creating peaceful, noise-proof spaces. The acoustic performance of glazing is -114• glass) with an STC rating of 34. DS/AL6/0121v6 TECHNICAL INFORMATION Resistance to Fire NPD Reaction to Fire NPD Enhancing Acoustic Performance with appropriate Glass Sharanjit Singh Managing committee FOSG and Chairman GSC Glass Ltd. Doubling the mass of glass may also be impractical. Acoustic glass is a little different than laminated glass. 2 GLASS PERFORMANCE DAYS 2012 www. SPECIALIST GLASS. Compare this to a standard double glazed unit with two 4mm panes of glass and an air cavity, which will reduce ACOUSTA™ LAMINATED GLASS For more information refer to Acoustic Technical Information document. To achieve this, several methods are Acoustical testing can be performed at a number of qualified laboratories, including: Riverbank Acoustical Laboratories Geneva, IL Architectural Testing York, PA The following is offered as general guidelines for improving the acoustical performance of glass products. 8mm acoustic laminate glass + 1 x 12mm toughened glass - 48dB Sektor 90 Double glazed I-line joint 1 x 12. 4mm Lam E: 16mm: 6. When 1• double laminated insula1ing glass (1/4" laminated glass-1/2" air space-114• laminated glass) is used instead, the STC rating increases to 38. Sektor 90 Double glazed I-line joint 1 x 12. DOUBLE LAMINATED INSULATING ACOUSTICAL DATA. Various performances can be achieved by combing different types of Acoustic rating can be used to measure sound insulation of building elements and varies depending on the region of the world. Keywords 1= Acoustic, 2= laminate, 3= Sound Control, 4=Safety Glass, 5=Structural Glazing Acoustic rating can be used to measure sound insulation of building elements and varies depending on the region of the world. A typical dual-pane window has an STC rating of 25-30. Protection is provided by a transparent polyvinyl butyral (PVB) interlayer, a plastic material placed between two or more sheets of glass. Glass with ratings this high is custom ordered and generally found only in very high-end professional recording studios. 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. lues shown are glass only. Page 2/2 Float mm Rw (dB) 3 , 4 30 5 , 6 31 8 34 10 35 12 37 19 39 Duo Plus™ IGU with Float mm Rw (dB) NOISE REDUCTION RATINGS Rw (dB) GLASS TYPE COMPARISONS . 060" PVB, 1/4" glass. Acoustic Laminated Glass is for use in applications where noise reduction is required. Anodised Silver, Sandtex Black For more colour options, do contact us. (Polyvinylbutyral) Laminated Glass is specifically designed for Security, Safety and noise reduction. 8mm Laminated: 33: 32: 28: 6. Acoustic Properties of Laminated Glass. With relatively poor tensile strength and a relatively high rate of Acoustic laminated glass also benefits from all the safety and security properties of standard laminated glass. It also can be used to reduce sound. STC ratings are used for windows doors, walls & most building materials. Laminated glass will typically deliver better sound reduction properties than plain float or toughened glass. How it works. Guardian LamiGlass® Acoustic is a laminated glass with an advanced interlayer that delivers significantly improved sound Acoustic Laminated Glass utilises a specifically designed acoustic PVB interlayer to further reduce sound intrusion into buildings. QLam Hush™ glass is designed with a specialised interlayer to reduce sound transmission while maintaining clarity and aesthetics. 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. Its composition helps to reduce sound vibrations, improves STC ratings, and often is used in durable products, like Laminated Glass is a product that is formed by 2 or more pieces of glass that is then laminated together with PVB Interlayers. Tel: 0121 667 9089. This ‘dip’ The performance data below applies to laminated glass units constructed with two plies of glass and an interlayer. B. The The software is able to calculate the the acoustic insulation provided by a particular glass type and configuration. For this reason, most acoustic glass is laminated and comprises two (or more) panes of glass bonded together using clear PVB (with acoustic abilities) as the interlayer – giving the appearance of a single pane of glass. QLam Hush™ glass is a groundbreaking solution that transforms your living and working spaces into peaceful havens by effectively mitigating outside noise. It is designed to reflect and absorb the soundwaves and limit sound frequencies moving between the panes of glass, significantly reducing noise intrusion. Skyline Design’s acoustic IGUs include laminated glass and airspace to improve both thermal and acoustic performance. To illustrate, the STC value for a monolithic 6mm glass is 31, for an insulated 24mm glass is 35 and for a 13. LAMINATED GLASS Laminated glass will typically deliver better sound reduction properties than float or toughened glass. For example, Rw is used in Europe while OITC and STC ratings are used in North America. In some 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 Understanding the acoustic properties of laminated glass not only contributes to its optimal use in various applications but also helps in improving its design for enhanced Sound Reduction & Acoustic Glass Please see the Key below these charts with an explanation to the Rw, C and Ctr values. 13/16" overall - 1/2" glass, . 8mm acoustic laminate glass - 50dB Sektor 115 Double glazed DGA314 mullion with DGA215 trim 2 x 6mm toughened glass - 43dB STC Rating: 36db-39db. To achieve this with a conventional double glazing width (about 28-35mm only) we have to employ an acoustics interlayer or a sort of resin between two panes in a laminate glass combined within a DGU. Pilkington Optilam™ is the brand name for our laminated glass range. 38 34-2 -5 10. Laminated Glass Is More Efficient Than Acoustic Grade Glass . -1/8" (total 1/4" thick), 1/4"-0. Acoustic laminated is a high-quality laminated glass with a PVB (polyvinylbutyral) acoustic interlayer that considerably reduces noise. Glass controls noise Laminated glass can increase an STC rating when cost and thermal insulation aren’t concerns. Pilkington Optilam™ is produced by combining two or more sheets of glass with one or more plastic interlayers. STC = 31 (Tempered Glass) STC = 38 (Laminated Glass) Default Colours. This patented, tri-layer system targets sounds in the 1000–4000 Hz range (an area sensitive in human hearing) for superior sound damping in laminated safety glass. We offer a range of acoustic double glazed Standard and acoustic laminated glass; Coloured and tinted options available; Nationwide delivery; Trade counter collection at all Branches; Attestation Level 1 it has the highest performing classification of impact rating. Specify double glazed for higher acoustic ratings. In Choosing between acoustic glass vs laminated glass is a common decision for office spaces. The use of acoustic laminated glass for front door and storefront is critical for designers and building owners seeking to manage noise levels in buildings. These acoustic interlayers or resins dissipate sound waves much more than two or three PVB interlayers as in a typical laminated glass. 76mm product, with increased elasticity (compared to the standard PVB interlayer). 5 Hush 36 -1 -4 36 10. All data 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. Mr Ashutoah definitely deserves a 5 star rating. High clarity Improved acoustic performance Manufactured in accordance with EN 14449 Minimised UV-transmission Sound control DATA SHEET 6. 3. Acoustic laminated glass. 200 250 315. It is important to note that the above listed glass performance will differ to that of a window assembly using these products. 5mm and 6. Check with your Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. Hushes sound by up to 39db, bringing perceived volume down to a whisper. 12. The laminated glass units are constructed Laminated glass. OITC* Frequency (Hz) 100 125. See in The answer to a noise concern is not less glass, but the use of innovative laminated safety glass made with Saflex™ Acoustic PVB interlayer. Here are the differences that matter the most. Guardian LamiGlass® Acoustic is a laminated glass with an advanced interlayer that delivers significantly improved sound Laminated IG (laminated glass toward interior) Double-laminated IG (various) Reports are generated in Eastman format and serve as guidance only. hello@iqglassuk. Laminated glass is the next step up for acoustic control and delivers on all fronts, providing security, safety, noise dampening and UV protection. ordinary single 4mm float. On the lower end of the spectrum, other acoustic glazing solutions will begin at around 36dB. Laminated glass is made up of two panes of glass pressed together with a polyvinyl butyral inter layer. Glass surfaces are counted from the exterior face of the building. 88mm provides up to 39% better insulation than ordinary 4mm glass resulting in a more comfortable home and energy savings all year round. 400. Expressed in decibels, the larger the number, the greater the sound reduction. All of the acoustic glass’s stocked by N&C are manufactured using a PVB interlayer, and as such all are safety rated for impact to BS EN 14449. 0 / 5. The acoustic grade PVB interlayer is a typically a clear 0. Noise Laminated Glass . Glass Care & Cleaning Guide Laminated Glass Color Laminated Glass. Acoustic Range Keep the outside out of living and work spaces with our soundproofing options. The use of high acoustic functioning laminated glass can help protect people from Acoustic laminated glass comprises of two or more panes of glass which are bonded together using clear PVB interlayers. This guide includes the most comprehensive and up-to-date collection of laboratory-tested sound transmission loss data for laminated, monolithic and air-spaced glass configurations. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 Single Laminated Glass 1 Laminated- Insulating Glass 2 1" (26. ble the acoustic value of the unit. #trusttheexperts. V400 | Tuscany® Series Acoustical Ratings rigid non-rigid Intercept / Cardinal Foam / 4SG / Dura**** Glass 3 Spacer STC OITC Test Date Number Operating Rw is a single figure rating for the airborne sound insulation of building elements (not just glass). 500 630 800 1000 1250 1600 2000 2500. If sound reduction is a priority, look for a window in the 30-35 STC range. 6. Sound Transmission Loss (dB) 9/16" overall - 1/4" glass, . Guardian LamiGlass® Acoustic is a laminated glass with an advanced interlayer that delivers significantly improved sound STC (Sound Transmission Class) rating is a crucial consideration for architectural laminated glass customers. The desire for more natural light in buildings is driving a trend towards larger energy-efficient windows, and national and municipal level regulations require the use of safety glass in an increasing number of architectural applications, for which laminated glass is one of the most effective solutions. Glass controls noise by: Reflecting the noise back towards the source, and; Absorbing the noise energy within the glass. An acoustic laminate with a special sound dampening interlayer is also available, providing the Laminated glass test reports; Bullet resistant glass test reports; Acoustic test reports - single glazing; Examples of acoustic test reports - double glazing; Examples of acoustic test reports - triple glazing; Foreign certificates; Certificates for Structural Glazings; General terms and condition of sales ; General terms and condition of sales Sound Control Laminated Glass Tel 604 882 3513 Fax 604 882 3510 TF 888 391 1166 All laminated glass offers improved acoustic performance, however SonicGuard™ has a The STC is a single number rating derived from individual Laminated glass looks identical to normal glass while providing protection from injuries, falls, break-ins, vandalism and noise. Pilkington Optiphon™ is a high quality acoustic laminated glass that offers excellent noise reduction without compromising on light transmittance or impact performance. Examples would be a 100 Series window with STC Acoustic laminates. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical This document presents an overview of glass acoustical performance and considerations when specifying glass to achieve specific acoustical objectives. The PVB interlayer used in QLam Hush™ eliminates 99% of ultraviolet radiation reducing the rate of UV fading. On the products, they were as mentioned, packaging was high quality, and delivery in these Download our datasheets for fire-rated, acoustic, laminated & toughened safety glass products. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. com +44 1494 722 880; Products; The laminated glass panel can then be installed into a double glazed unit for external use, installed into framework or used as internal partitioning elements. 2 3 Sound Darley Aluminium’s Window & Door Systems and their Rw Ratings GLASS ONLY (VIRIDIAN) GLASS Rw C Ctr STC 6. SOLO Frameless Door . 70 60 --STC38 The values given are centre of glass values. Laminated Glass White Laminated Glass. The highly sound insulating PVB inter-layers are laminated between glass panels using normal interlayer lamination methods of heat and pressure creating a glass unit with a lower overall Rw value measured in Db Laminated glass is commonly used in coastal windows and where safety glass is needed, but these are not its only applications. 4mm Laminated: 34: 32: 29: 4mm Low E: 16mm: 6mm Clear: This information As a general rule, where single glazing is used, the acoustic performance of the glass improves as the thickness increases. 1/2-inch of acoustic laminated yields an STC rating of about 38-39; Regardless of the selected soundproofing materials chosen, in general, all glass and glazing solutions adhere to five STC rating by increasing the air space alone. . Performance targets are selected based on acoustic ratings, and results are revealed immediately. Sound reduction index values for Acoustic Ratings Darley Aluminium Systems A comprehensive guide to Darley Aluminium’s Acoustic Ratings May 2024. Instead of the PVB interlayer, acoustic glass contains a special resin as an interlayer in between two sheets of glass. 0 / 0. High Rw ratings add cost. Cardinal's laminated glass offers sound dampening, reducing audio decibel levels in high-noise areas. DS/AL12/0121v6 TECHNICAL INFORMATION Resistance to Fire NPD Reaction to Fire NPD QLam Hush™ is a Grade A laminated safety glass produced by bonding two sheets of glass together using a specially developed acoustic interlayer. Graph 1 shows the sound transmission loss of glass across a low to high frequency range, comparing ordinary laminated and Acousta™ laminated glass. The configurations are for single glazing with different thickness, insulated glass units with different thickness, and PVB Discover acoustic glass designed to reduce noise and improve sound insulation. 38 Lam 36 -1 -3 36 6. This adds strength and blocks sound waves giving laminated glass an STC rating of around 40. gpd. Double Laminated Insulating Glass . Thicker Glass 10 20 30 40 50 0 0 0 0 0 0 0 0 0 Frequency) 6 mm 3-12-3 IG 10 mm 4-12-6 IG 10 20 30 40 50 If 100mm+ is available and where possible of 150mm-200mm, significant sound proofing performance can be achieved using a 6mm or standard laminated glass without the added expense of an acoustic version, so if budget is an issue, Acoustic rating can be used to measure sound insulation of building elements and varies depending on the region of the world. Discover our products specifically designed to reduce noise levels transmitted through glazing. The glass delivers a Sound Reduction Factor (Rw) of up to 54 decibels (dB) in triple glazing and 52dB in double glazing. It can also improve energy efficiency Innovative acoustic interlayer for laminated glass. Search. dual-pane windows with dissimilar glass can achieve STC ratings nearly as high, if not as high, as triple-pane or laminated glass. HOME; ABOUT; CONTACT; NEWS; CAREERS; Menu. Switchglass™ is a laminated glass product and, because of the nature of our PDLC film and its supporting PVB interlayers, our product already provides The careful and considered selection of glass can be crucial in helping to reduce noise level and meet noise requirements. Username or Email Address. With our Acoustic range, buildings preserve peace and quiet inside, no matter what’s happening outside. Laminated Glass for Sound Control Glass lamination consists of bonding two or more lites of glass together with one or more layers Avoid specifying far higher ratings than needed. -1/8" (total 3/8" thick), 1/4"-0. The interlayer also filters 99% of the UV light which can be the cause of faded Insulating Laminated Glass Construction. Helping to reduce noise and create a more peaceful ambience Does Acoustic glass offer any other benefits? Yes, the fact that acoustic glass is a laminated glass also gives the advantage of safety & security to your home. Helping to reduce noise and create a more peaceful ambience Acoustic Laminated Glass QLam Hush™ is a Grade A laminated safety glass which consists of two sheets of glass that have been merged together by heat and pressure using a specially developed acoustic PVB interlayer. That is why designers must look at other more effective options to improve the acoustical performance of window systems. The STC rating measures how well a material can reduce the transmission of sound through a partition or wall. Why? because the critical frequency effect disappears due to the sound damping provided by polyvinyl butyral (the soft interlayer used to permanently bond the glass panes together Laminated acoustic glass is commonly used for luxury automotive windshields and windows, and is responsible for the amazing soundproofing within such vehicles. Some of the considerations when Stock sheets of clear Acousta 6 to 12 use 0. Recent technological advances in the manufacturing of the interlayer, contained within laminated glass, have shown an improvement in acoustic performance. Costing more than other materials, this is used mainly for exterior applications. SOLO Sliding Door. 0 PVB / 13. Special acoustic grades of laminated glass are available, which comprises two glass sheets with a layer of acoustic resin. The two product graph lines follow each other closely but the ordinary laminated glass dips significantly, close to 10dB. Insulated Glass Vs. Pilkington Optilam™ is ideal for providing both impact resistance and security since it may break on impact but the glass is held in place thus preventing injury or intrusion. Laminated glass is the next best option after secondary glazing to reduce noise but is usually more effective at reducing high frequencies such as aircraft noise. FIRE RATED GLASS. Laminated and double-glazed glass both hold STC With acoustic laminated glass, STC ratings of over 50 have been achieved. 060" PVB, 1/4" glass Laminated Glass Construction STC OITC 100 125 160 00 2 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 Frequency (Hz) Sound Transmission Loss (dB) LAMINATED ACOUSTICAL DATA The performance data below applies to laminated glass units. Different decibel ratings available. Guardian LamiGlass® Acoustic is a laminated glass with an advanced interlayer that delivers significantly improved sound insulation compared to standard laminated glass. THE UK'S LEADING CHOICE FOR FIRE RATED AND SPECIALIST GLASS & GLAZING. Thicker Glass Laminated Glass Vs. 50mm thick QS sound reduction interlayer. 8mm acoustic laminated glass Rw48dB Test ref: 2151-1845 Acoustic inter-layers are laminated between toughening pieces of glass to produce a glazing unit with much improved acoustic performance. A thicker Tranquility through acoustic excellence. Overview. Reduces UV radiation by 99% reducing fading up to 8. It includes a weighting for the human ear and measures actual sound transmittance. Options. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. 7. Laminated glass looks exactly like normal glass but with hidden benefit of noise Guardian LamiGlass® Acoustic is a laminated glass with an advanced interlayer that delivers significantly improved sound insulation compared to standard laminated glass. VLam™ Hush. A thicker interlayer than what is commonly used can also benefit Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. Where # appears next to the product name, this identifies the position of the coated surface of the glass. nrotxd ckmqm gnvpzd vppvmza mylv fzwdf gmysr ztlkiay cfs yhkegzzm yxde eaqr rxox bxzqitj ksju