Glass acoustic rating chart This comes from the glass being thermally treated to provide an increased What an OITC Rating is, why it is important, OITC vs STC, and examples of noise levels you can expect with different OITC and (dB), which is the point at which humans hear sounds, and goes up from there. With the right glass combinations sound reduction of up 44dB is achievable. Seek out the advice of acoustic professionals or engineers in complicated situations or for projects requiring high security. Effective sound insulation appears at STCs around the 50s. 76mm/12mm/4mm float glass Double glazed units with acoustic glass on the exterior pane 40 30. Explore noise reducing windows and doors from Pella. Sound. the performance of a 6/12/6 insulating glass unit is now written; Rw(C, Ctr) = 33(-1;-3). The same process is used to determine STC ratings for doors. 35mm 12mm glass x 2. 06 612 -792 re W n /GS1 gs q 612. 8 Pilkington Optiphon™ 16,8 41 -1 -3 16. These PVC ceiling tiles offer high sound absorption ratings, NRC . 16. Fiber glass acoustic batt insulation designed to absorb sound vibrations in wall, floor rating of 39. The order of sound insulation performance from poor to excellent is: monolithic glass < laminated glass <double insulated glass < triple insulating glass Achieve the necessary acoustic balance by customizing your treatment. Noise-insulating fabric, The concepts of Noise Reduction Coefficient (NRC), Sound Transmission Class (STC), and other acoustic ratings are vital in designing spaces that meet your acoustic and aesthetic requirements. Technical Specifications. If thicker glass material is used, the rating can go up to 35. 1 mm) 1/4" laminate 1/2", Air 1/4" 39 39 Acoustic glass not only controls the sounds travelling from the outdoors to the indoors but also reduces the sounds travelling from inside to the outside ensuring privacy. APPLICATIONS Residential: kid’s bedrooms, home theatres, home offices and rumpus rooms The NRC (Noise Reduction Coefficient) value represents the percent of sound directed at the surface that is absorbed by the fiberglass acoustic insulation. The OITC (Outside-Inside Transmission Class) rating is used to classify acoustic performance of glazing in exterior applications. It does not only interfere with the sounds people want to hear but also generates side effects on hearing, vision, and normal sleep. The final STC/OITC rating of the window assembly could vary because of the influence of the framing members and the construction of the window assembly. applicable to interior building partitions 1-7/8" overall - 1/4" glass, 1/2" airspace, 1/4" glass, 1/2" airspace, 3/16" glass, . 76). Available finishes are shown on the EGGER color chart. Our brand new frameless range offers leading acoustic ratings. For example, laminated glass has a rating of around 35, but it can go up as far as to 41 if you use thicker layers of glass and PVB. A thicker interlayer than what is commonly Each layer should complete a function: reflection, absorption/attenuation, or transmission. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports -114• glass) with an STC rating of 34. A comprehensive guide to Darley Aluminium’s Acoustic Ratings. 05. 060" PVB, 1/4" glass 57; 61 65; 3150. The test process measures the reduction at each third octave band frequency from 100Hz to as much as 4000Hz. Calculating STC ratings can seem a little bit tricky at first, but it’s not as complicated as you might think. The first column is the rating of the door panel only; tested in a static inoperable condition to determine the sound transmission through the door. 38mm Laminated RW31 Acoustic Opinion 20-050e-3b 10. Noise Reduction Solution Charts The difference between the sound level inside the window and the sound level outside the window, measured in decibels, is the STC rating. 0 / 0. PRINT DATE . archskirt. However, architectural acoustics can often become a bewildering array of alphabet soups (STC, OITC, and IIC, to name a few!), and even acoustically experienced architects and designers can be left scratching their heads. All glass doors, all glass doors with acoustic frame, acoustical double glazed door with acoustic frame. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. bounces back), while a glass window might score only about 0. To the best of our knowledge, all information is believed to be correct at the time of printing. An STC rating is an instrument measurement of how much noise is stopped. The Timber Swing Door has an acoustic rating of up to 36dB. Common solutions for noise reduction involve using thicker glass, VLam™ Hush means that thinner and lighter glass can be used for equivalent acoustic performance. We produce a range of acoustic partition products that are at the cutting edge of both design and performance. 800-782-5742 Talk to an expert! MAIN MENU MAIN MENU. • Between wood or steel stud framing faced with gypsum boards Download our datasheets for fire-rated, acoustic, laminated & toughened safety glass products. usually amounts of acoustic or electric power. 4 %âãÏÓ 9 0 obj > endobj 11 0 obj > endobj 23 0 obj > endobj 29 0 obj >stream /Figure >BDC q 1 i . While STC rating can provide a good indication of how a material or product will perform against sound in general, it isn’t Sound transmission class (STC) is a single number rating of sound isolation of a building wall assembly. An expert can offer thorough insights into the unique acoustic issues your space presents and recommend efficient remedies. By selecting appropriate building materials and partition systems with higher Clearly, in the pursuit of sound abatement, laminated glass is a key player. Read more about the tools below Double glazed systems allow you to accommodate different thicknesses of glass, so a wide range of acoustic ratings can be achieved. Glass size and glazing system will affect STC rating. In general, test specimens with higher STC ratings will have better acoustical performance than those with lower ratings. Glass thickness,PVB interlayer,air space in insulated glass will increase the glass Design Number label starting with "ALA" is an estimate generated by USG's proprietary Acoustic Learning Algorithm. Lab Proven STC Ratings • Outer glass has to be thinnest and Inner glass to be thickest • Using one pane in DGU enhances the performance • Both panes laminated will further enhance the sound insulation • Acoustic PVB‟s will further reduce by 2-3 dB Fire-protective glass (glazing that defends against the spread of flames and smoke), such as TGP’s FireLite fire-rated glass ceramic, is available with 20 to 180 minute fire ratings for door assemblies. Costing more than other materials, this is used mainly for exterior applications. 0 PVB / 13. Each partitioning and door system should have an acoustic rating that has been independently certified in a laboratory environment. 8. The cute A common acoustic issue in virtually any space is sound transmission. 5mm Hush RW34 Acoustic Opinion 20-050e-3a 12. 76), whereas the second laminate incorporates an acoustic interlay-er. GLASS TYPE RW RATING: TEST NO. Pilkington Toughened Safety Glass, Pilkington Pyroshield and coated glasses of the same thickness all behave acoustically the same as the standard product. Frequency (Hz) Insulating Glass Construction STC OITC 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 sound transmission loss (dB) STC ratings are an established way to average how much sound is stopped by something. NRC Rating: Acoustic Performance: Common Applications: Special Considerations: 0. 35 Switchglass interlayer x 12mm glass Acoustic 43 SGA-26. For instance, the Rw index of ordinary double glazing is around 29 dB where as a good acoustic interlayer offers an Rw index of around 50 dB. Acoustic glass typically has an STC rating of 35-40, compared to standard glass which usually has an STC rating of 27-30. The gap between panes provides acoustic insulation as well, which helps improve STC ratings. 52 RAL: TL07-188 26. 5 Hush 36 -1 -4 36 10. Saint-Gobain Glass (United Kingdom) Limited, registered in England, Company Number 2442570. Some of the considerations when All values shown are glass only. STC Rating: What can be heard at this level: 25: Soft speech can be heard and understood: 30: Best Acoustic Foam Panels for Soundproofing [2025] Best Soundproof Wallpaper Reviewed! [2025] Best Soundproofing Paint [2025] With VTsoundsource, finding the right acoustic door for your project just became easier! Our new tool allows you to easily find and sort door selections based on STC rating, fire rating, glass size, and more. In addition, it tends to be quite hard to break, which is another benefit, so if a child, pet, or even you fall against the glass, you shouldn’t crash through it. Seek Expert Evaluation. 15. STC ratings are used for windows, doors, walls and most building materials. NRC percentage value (0>>1) average of RC 250,500,1000,2000 Hz frequencies Laminated glass. 5mm Vlam Hush Glass Narrow Stile Door : 38 . Read more about the tools below, or register and start using Glass The average STC rating for a regular single pane window is 27. Hidden performance made clear by Fire Glass UK. Sonoglass® will adhere to almost any surface configuration. A brief review of acoustic ratings. Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. ACOUSTICS Sound Control Noise or sound is an unavoidable by-product of the modern living and growing technology. 11F P. For more definitions see our glossary of acoustic terms. Its original intent was to quantify interior building partitions, not 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 1/4" (7. The AlphaSorb ® PVC Plastic Acoustic Ceiling Tile offers economical sound absorption with a wipeable face or can be completely encapsulated for high humidity environments. While there are several ways to achieve the required/desired grip rating on a glass Impact-resistant glass is laminated but made with a thicker plastic inner layer and may contain thicker panes as well. Throughout the year's many different options have run the market when it comes to acoustic windows from heavy laminated glass, triple pane windows, thicker spacers, etc. 8 Pilkington Optiphon™ 8,8 37 0 -2 8. The higher the Rw value the better the acoustic performance. e. • Insulation and coverboard in one • Suitable for new building, re-roofing and North America, a rating system was introduced in 1970 under ASTM E 413 “Classification for Rating Sound Insulation. The value given is usually expressed as hertz (Hz) (i. Double-Glazed Double-glazed, or double-pane glass features two panes in a frame with a layer of air between them. For this reason laminated glass is commonly used for overhead glazing, applications requiring safety glazing and anywhere the consequences of glass breakage Don't use this space to complain about the average rating, chart position, genre voting, others' reviews or ratings, or errors on the page. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. The gap between lites also provides acoustic insulation to improve STC Managing acoustic performance and privacy are more important than ever. What Is an OITC The values given are centre of glass values. 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. OCC How to calculate the glass STC? One of the features of glass is sound proof,whether it’s single glazing, laminated glass,insulated glass or even laminated insulated,the glass can reduce the sounds transfered from outdoor to indoor. Features & Benefits. What is the tested sound rating for the system? A: Lab tested 35 STC for a single glazed system, up to 44 STC for a fabricated from inorganic glass fibres. 5mm VLam™ Hush achieves the same acoustics compared to 10. The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. For example, the STC of a 1/2” insulating glass unit (3mm/6mm airgap/3mm) is 28 and the STC rating of a 3/4” insulating glass unit (3mm/13. The first laminate incorporates a standard interlayer (10. STC rating chart . 3 dB Assembly Components Metal Roof System: Insulation: Insulation: Flute Fill: mineral coated fiber glass facer that is approved for use with hot and cold adhered systems. Laminated Glass Applications Phone: 888-815-9691. Floor to ceiling windows provide light, transparency and sweeping views of Central Park glass and laminated glass in order to under-stand how laminated glass can contribute to improved sound dampening. These tables include metric glass performance for monolithic, laminate and insulating glass units (IGUs). Keep the outside out of living and work spaces with our soundproofing options. 22. In general, a barriers OITC rating is lower than its STC rating. 37 . This is why acoustic meeting pods like hushMeet are built with multiple, finely stacked layers. 03. QUIETZONE Acoustic Batt insulation is designed to help control noise by absorbing sound vibrations transmitted through walls, interior transmittance coefficient (STC) rating: • Between wood or steel stud framing faced with gypsum boards. B. Laminated acoustic glass consists of two or more layers of glass bonded together with a PVB interlayer. Thus, because there is is inversely proportional to the glass thickness. The insulating glass units are constructed with two plies of glass and an airspace. 2 3 Sound Darley Aluminium’s Window & Door Systems and their Rw Ratings GLASS ONLY (VIRIDIAN) GLASS Rw C Ctr STC 6. Opinion: A-NSD-01 : 10. Acoustic Glass This section provides only an introductory guide to control of noise using This rating applies to interior partitions, walls, ceilings and floors, but not to exterior walls. 1-7/8" overall - 1/4" glass, 1/2" airspace, 1/4" glass, 1/2" airspace, 3/16" glass, . Having determined the noise source level rating and the desired internal noise level for a given room, the next step is to find a glass product from Table This document presents an overview of glass acoustical performance and considerations when specifying glass to achieve specific acoustical objectives. #trusttheexperts. Search. 38mm Laminated RW30 Acoustic Opinion 20-050e-3d 3000 Series - 104 x 50mm Double Glazed GLASS SIZES & TYPES ACOUSTIC RATING Sound Transmission Class (or STC) is an integer rating of how well a building partition attenuates airborne sound. 52mm 12mm glass x 1. 5 hush: 36 TL666-03-1: 76mm Sliding Window 4/8/8. Double glazed windows are a bit superior for blocking sound, with an average rating of 29. Don't comment just to troll/provoke. Triple Insulating Glass Construction Frequency (Hz) Explore the STC rating chart for walls, glass, windows, doors, and materials. 06 m W n 0 792. In this in-depth guide, we’ll explore what Ceiling Attenuation Class is, how to read the ratings, and which factors affect the numbers. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports that demonstrate the advantages of high-performance glass in building facades. 26636 660. ” This rating system is the Sound Transmission Class, or STC classification system. GLASS SIZE & TYPE ACOUSTIC RATING REPORT DETAILS 12. Single glass: 3: 14: 19: 25: 29: 33: 25: 28-4-1: 4: 17: 20: 26 Pilkington Optiphon™ – acoustic performance data Glass types Acoustic performance data [dB] Total thickness R [mm] w C Ctr Single glazing Pilkington Optiphon™ 6,8 36 -1 -4 6. In the chart you can see how they are delineated according to their wavelengths. The acoustic values given have been either determined in accordance with EN ISO 140-3 and EN ISO 717-1 Equipment for glass transport and storage; Warm edge spacer bars TGI Examples of acoustic test reports - double glazing Examples of acoustic test reports - double glazing Double glazing: 4 - 20 argon - 4 Rw = 31 dB; Double glazing: 6 - 16 argon - 4 Rw = 34 dB; Insulating Glass Construction STC OITC* 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 Sound Transmission Loss (dB) The OITC (Outsi de-In side Transmission Class) rating is used to classif y acoustic performan ce of glazing in exterio r applicatio ns. 030" PVB, 3/16" glass 48 50; 49 2-3/4" overall - 3/8" glass, 3/4" airspace, 5/16" glass, 3/4" airspace, 1/4" glass, . Double-glazed glass can also achieve an STC rating of up to 40. Acoustic Ratings Darley Aluminium Systems A comprehensive guide to Darley Aluminium’s Acoustic Ratings May 2024. glass@nichollsandclarke. (such as glass) and 30s (the average wall). People who live in noisy environments may suffer hearing loss and mental illness. This makes it ideal for applications to curved and irregular shaped ceilings such as those found in churches, gymnasiums and theaters. 5mm VLam™ Sound transmission class (STC) ratings solve that problem by giving a single value to acoustical performance for a door. At Komfort, acoustic performance is a key element in the design and manufacture process of our acoustic glass partition systems. STC 43 Assembly Components Finish material 5/8” Gypsum Size 2 1/2” Steel Stud Spacing 16” oc Product AFB Thickness 1. , 750Hz). 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. The second column is the rating of the operable door Glass 3 Spacer STC OITC Test Date Number Operating Style Series Numbers Tested Size OA Glass 1 Glass 2 Acoustical Ratings - Tuscany I V400 updated 09. STC is determined by a weighted average of TL values taken over 16 frequencies, which are fitted to a curve in a method defined by the ASTM E413 Classification Standard for Rating Sound Insulation. * * [The data and information set forth are based on samples tested and are not guaranteed for all samples or applications. Sound transmission isn’t just about the walls. Performance data is calculated using both LBNL Window 7. Learn more. Limitations Owens Corning does not recommend using QUIETZONE Acoustic Batt Insulation in the following locations: † In locations where acoustic insulation is exposed or partially exposed (in those situations, use SelectSound® Black Acoustic Boards/Blanket described in Data Sheets 09 81 16. As they do, it’s critical to understand acoustic ratings to ensure OA Glass 1 Glass 2 Acoustical Ratings - Trinsic I V300 updated 04. 7 Clear. 38 Lam 36 -1 -3 36 6. Email: info@commercial-acoustics. In the US, it is widely used to rate interior partitions, ceilings, floors, doors, windows and exterior wall configurations. 9 mm) 1/2" 0. 24 mm) 1/8" 0. The NRC rating is simply the arithmetic average of the Absorption Coefficients at 250, 500, 1000, and 2000Hz octave bands rounded to the nearest multiple of 0. Laminated and Double-Glaze Glass Combinations: Combining laminated and double-glazed glass is best for ideal soundproofing. 8 Pilkington Optiphon™ 12,8 40 -1 -3 12. To determine the specific STC ratings of glass and a 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. Once the data is collected, professionals calculate a barrier’s OITC rating in accordance with standards laid out by the American Society for Testing and Materials (ASTM). Over 400 Products Specializing in Noise, Sound, and Vibration Control. 17. V300 | TrinsicTM Series Acoustical Ratings Intercept or Cardinal Foam or Dura**** Glass 3 Spacer STC OITC Test Date Test Number Operating Style Series laminated glass n n 5/2011 S. A good OITC window rating is 30+ and usually comes with thicker glass (½” or more) and added glazing for The type of glass and fenestration used on a building are primary considerations in obtaining the desired level of acoustic performance. V400 | Tuscany® Series Acoustical Ratings rigid non-rigid Acoustic Ratings Darley Aluminium Systems. Glass doors can be made of a glass panel inserted into a wood or steel door. Our insulating glass units are meticulously assembled with two panes of glass, separated by an air space, to ensure The OITC (Outside-Inside Transmlssion Class) rating is used to classify acoustic performance of glazing 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. The effect of the laminate is to disrupt the soundwaves and to help Understanding acoustic rating systems; Standard window configuration vs window optimized for noise reduction vs soundproof windows If you are talking about sound travelling through glass, then the glass is the acoustic medium. STC Composite Ratings involve using thicker glass, VLam™ Hush means that thinner and lighter glass can be used for equivalent acoustic performance. 06 m W* n 0 792 612 -792 re 306 396. It Phone: 888-815-9691. Figure 3 shows the difference between 10mm glass and two types of 10mm lami-nates (as 10. 8 Acoustic laminated is a high-quality laminated glass with a PVB (polyvinylbutyral) acoustic interlayer that considerably reduces noise. If you are installing acoustic glass into a framing you will need to consider the acoustic rating of the framing system itself to determine how the whole installation will insulate against sound pollution. ARO - 242 West 53rd Street. With our Acoustic range, buildings preserve peace and quiet inside, no matter what’s happening outside. Window Energy Ratings were originally launched in March 2004 by the British Fenestration Rating Council (BFRC), an independent government-supported body established to develop and administer a system of Window Energy Ratings in the UK. Sound transmission can be both airborne and/or structure borne vibration. g. The higher the NRC rating, the better the sound absorption. 0 airgap/3mm) is 30. Varying acoustic ratings can be achieved by using different types of glass blocks. February 2021. 1/4" 41 41 1" (26. com 0845 6051350 Single Glass Rw Rw+C Rw+Ctr 6. 029 -. Report: TL723-02-01 Sonoglass® is a fiberglass based, spray applied acoustical treatment designed to provide superior acoustical values with a finished appearance. Both indices are measured in the laboratory. Acoustic glass is a double glazed unit that includes a pane of laminated glass. The chart below indicates the STC rating of specially made acoustic doors using various applications of gasketing. The standard provides a range for the “Design An acoustic consultant is an authoritative source of information and advice for analysing and developing solutions to noise problems. VTsoundsource includes all VT door types. 35 Switchglass interlayer x 10mm glass Acoustic 42 SGA-22. 1 mm) 1/4" laminate 1/2", Air 1/4" 39 39 A leader in tools for the glass industry. Our single glazed Polar 35 system Acoustic ratings are determined in highly scientific laboratory tests, but we can focus on two critical elements that are always looked at: frequency, which is measured in hertz (Hz), and decibels (dB). The higher the STC rating, Technical Glass Guide Update 6/15/21 – Version 3. 70 60 --STC38 Sound Transmission Class (STC) ratings for glass indicate how well a partition, wall, or window mitigates or blocks sound and reduces noise. 0) of its Acoustic Calculator. Some impact-resisting glass units are assembled with both laminated and tempered glass. We simulate it with a normalized noise called “pink noise”. while solid wood/solid core doors and MDF doors offer better soundproofing with STC ratings from 30 to 50. acoustic laboratories. Acoustic Ratings. 8mm acoustic laminate glass + 1 x 12mm toughened glass - 48dB Sektor 90 Double glazed I-line joint 1 x 12. Impact-resistant glass is tested by hurling 2x4s at it at speeds near 35 mph and small steel balls at near 90 mph. 4mm Laminated Safety Glass 32 dB 31 dB 29 dB 6. Each configuration was tested by itself and then with the added Soundproof Window at 4 different air spaces (glass to glass measurements) shown to the right. Cardinal's laminated glass offers sound dampening, reducing audio decibel levels in high-noise areas. com. The main advantage of toughened glass is the strength of the glazing, as the name suggests. STC is widely used to rate interior partitions, ceilings/floors, doors, and windows. These ceiling tiles utilize a fiberglass substrate faced or encapsulated with PVC. 24 Page 1 of 7 Due to continual product research and development, details listed are subject to change at any time. 0 This guide provides an introductory overview of glass concepts and terminology, plus STC Results Chart. The first step in rating a product is to determine the transmission loss of the material at various frequencies. Beyond the type of windows you select, other The gap between lites also provides acoustic insulation, to improve STC ratings. FIRE RATING (HOUR) The UL®-certified hourly floor/ceiling rating SOUND RATING LEVEL – Three rating groups: • Glass Fiber Insulation, 3-1/2" thick, fit into the framing cavity supported by 2" strapping spaced 12"o. 751 614 -426. 5mm Vlam Hush Glass Narrow Stile Door . Registered Office: Saint-Gobain House, East Leake, Loughborough, Leicestershire, LE12 6JU. STC ratings are the ONLY way to accurately compare various noise reduction products. For more detailed testing information, ASTM E-90 reports are available upon request. 5 hush: 37 TL666-04-1: STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 Glass 1 3/4" (19. It can also be incorporated into double-glazed units This chart presents standard values of the weighted acoustic insulation coefficient R w, as well as the coefficient R for different frequencies of sounds tested for the essential structures of double glazed glass units presented in glass trade magazines and technical publications. Of course if we compare a 6 mm-monolithic with a double glazed 6-12-6 mm, the sound reduction is much better at the double glazed unit. 35 25. Address: 6301 N Florida Ave Tampa, FL 33604 Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. 38mm standard laminate, offering thinner glass options with superior acoustic performance. When looking at the fabric of your space or the material, it is important to understand its acoustic benefits. In simpler terms, a decibel is a measure of sound pressure or energy and is used to quantify the intensity of a sound. Adding high-performing panels to storefront or curtain wall is a common and effective solution as it pertains to retrofit buildings. 030 P. PDF-1. The IGU assemblies include 4/12/4, 4/16/4, 6/12/6, 6/16/6, 8/12/8, 8/16/8, and 10/12/12 configurations. 06 Here is a simple chart showing the typical glass STC value: Glass combination The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. BIM Objects. National Processing Capabilities . This includes both STC and OITC ratings for steel and wood stud walls, considering both interior and exterior assemblies. Simply put, STC ratings measure sound level on one side of a wall, versus the other side of a wall. However, it’s generally rated Class 3/C, indicating a lower fire resistance. THE UK'S LEADING CHOICE FOR FIRE RATED STC ratings are crucial in commercial settings where noise control is essential, such as office buildings, conference rooms, hotels, and hospitals. I’ll give you an example. Any spoilers should be placed in spoiler tags as such: [spoiler] (spoiler goes here The innovative adhesive-backed tiles come in a box of 6 @ 600mm x 600mm and 40 colours, they provide a colourful and practical solution to drab and boring walls. The STC rating figure represents approximately the decibel reduction in noise that the assembly can provide. 6. It is designed to reflect and absorb the soundwaves and limit sound frequencies moving between the panes of glass, significantly reducing noise intrusion. This information provided by Pilkington or Guardian Glass. Double-glazing with acoustic insulation glazing laminated glass can significantly reduce the Guardian Industries’ Glass Group, on of the UK’s leading suppliers of commercial, residential and interior glass products, has introduced the latest version (2. 50003 659. 060 P. Talk to IQ Building Council Rating System (refer to TABLE 7). Factors That Affect Your Glass STC Rating. In general, a higher STC To determine these ratings, tests with acoustic putty are conducted in labs or real-world environments. 03 9021 6155 www. Discover our products specifically designed to reduce noise levels transmitted through glazing. 5mm Hush RW33 Acoustic Opinion 20-050e-3c 10. This makes glass blocks a great solution for blocking noise from busy roads, noisy neighbours, The document provides acoustic performance data tables for insulating glass, triple insulating glass, monolithic glass, and laminated glass constructions. Laminated glass is commonly used in coastal windows and where safety glass is needed, but these are not its only applications. 05 (it reflects 95 percent of the sound hitting it straight back again). Take a look at the JCW soundproofing products and options available. 030" PVB, 3/16" glass 48 50; 49 2-3/4" overall - 3/8" glass, 3/4" airspace, 5/16" glass, 3/4" airspace, 1/4" glass, AcoustaTM Laminated and IGU's. 08kg/m2 Other types of acoustic glass are available and can achieve Rw values up to 58 decibels. In order for sound to travel, it must have something to travel through - an acoustic medium. Where # appears next to the product name, this identifies the position of the coated surface of the glass. COMPARISON CHART The charts below show comparisons between various types of glass and insulated glass units and also between the Rw, Rw+C & Rw+Ctr indices. A leader in tools for the glass industry. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 Glass 1 3/4" (19. Sound Transmission Class (STC)—measures sound transmission of interior spaces with frequencies ranging from 125 to 4000 Hz; higher STC numbers mean less sound is transmitting beyond an interior space. If sound reduction is a priority, look for a window in the 30-35 STC range. 0: Total Reflectivity: Hard and reflective surfaces, on the other hand — like glass, concrete, or metal — are often poor absorbers of sound. Acoustic glass, also known as soundproof glass, or noise reduction glass is specialist glass installed in noise reduction windows that can reduce the amount of noise that is transmitted through the glass and a window (or door). Configuration System RW Rating Acoustic Report # 12. It can often be used in the maximum size (as tested by an independent testing agency) in fire-rated doors depending on the required fire rating. Acoustic and Thermal Performance STC: 37 OITC: 29 RValue: 19 Rainfall: 48. Some higher-grade spray foams with fire retardants can achieve a higher Class 1/A rating, but these are typically more expensive. Glass doors can range from 28 to 60+ STC ratings, while steel and fiberglass doors range from 20 to 50. The BFRC is run by the Glass & Glazing Federation (GGF) the trade body representing many window companies. It is also used for measuring the relative loudness of sounds. The reduction at Seves glass blocks also offer excellent acoustic properties. 8 Pilkington Optiphon™ 10,8 38 -1 -3 10. Glass is excellent Sektor 90 Double glazed I-line joint 1 x 12. Selection of suitable glass Acoustic glass is widely used among car manufacturers. OWENS CORNING WORLD HEADQUARTERS ONE OWENS CORNING PARKWAY TOLEDO, OHIO 43659 Acoustic interlayers can be laminated in the largest glass panels available in the UK giving much greater freedom with design. For example, if the transmitter played a sound at 60 decibels and the receiver picked up 30 decibels, the STC rating would be 30. Because of its PVB core, if acoustic glass breaks, it tends to shatter into small pieces rather than large dangerous shards. 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. Glass surfaces are counted from the exterior face of the building. Examples would be a 100 Series window with STC Glass Handling and Safety Guide . KLASSICVIEW: 53mm KlassicView N/A: 76mm Sliding Window 10. This Critical Frequency (fc) is determined from the formula: fc = 12,000 Hz d where d is the glass thickness, in millimetres (See Figure 1). Rw is a single figure rating for the airborne sound insulation of building elements (not just glass). Insulating Glass Dualtherm insulating glass units may be designed to provide enhanced acoustic insulation. 1/8" 35 35 ZONA stc_rating_chart Window Energy Ratings; Leaded units; Quality Guidelines; Sound Reduction & Acoustic Glass Please see the Key below these charts with an explanation to the Rw, C and Ctr values. The Sound Transmission Class (STC) is a single-number rating of a material's or an assembly's ability to resist airborne sound transfer at the frequencies 125-4000 Hz. The sound rating can range from 33 to 50 based on how the door panel is manufactured. As a guide when frames are Glass is one of many components that influence the acoustical performance of doors, partitions, windows, skylights, and vertical wall glazing systems. Therefore, offering you complete design choice, whether you’re wanting a pin board or a complete acoustic wall solution. 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. c. Their smooth, hard surfaces are more reflective, causing sound waves to bounce back into the environment, which can The sound rating of MDF doors depends upon the thickness of the material and how the door panel is constructed. It also can be used to reduce sound. Sound Transmission Class (STC) - The STC rating is a single number value quantifying the ability of a material to resist the transmission of sound. STC testing standards are always Absorption coefficients of common building materials and finishes. Metro Performance Glass stock the following sizes of Acoustic Laminated PVB glass: (UV), visible light, and infrared light all occupy different parts of the solar spectrum. The STC rating chart provides a visual representation of the sound transmission class ratings for different materials, illustrating the amount of sound transmission being reduced and the frequencies of sound being affected. Types of Acoustic Glass Laminated Acoustic Glass. 2 L aminated Glass is a multifunctional glazing material that can be used in a variety of applications. A typical dual-pane window has an STC rating of 25-30. The interlayer also filters 99% of the UV light which can be the cause of faded curtains, carpets and furniture. Both achieve an STC rating of 40, but higher ratings require a combination. Acoustic joint tapes and caulking have been used to improve sound isolation since the early 1930s OA Glass 1 Glass 2 Acoustical Ratings - Ultra I C650 updated 04. Aircrafts, automobiles, trains, machines, generators, house hold appliances and even entertainment generates sound Windows and doors can help block outside noises whether you live in the city or on a farm. • EcoTouch ® QUIETZONE® PINK® FIBERGLAS® Acoustic Insulation is classified as NON-COMBUSTIBLE in compliance to the Canadian Standard CAN ULC S114. 0 PVB (3. 4000; 5000. To ensure this, glass plays a key role in the creation of a soothing ambience. Learn why STC ratings matter for soundproofing. ] SVC Rw summer TL 85-198 TL 85-170 - - TL 85-234 TL 85-229 TL 85-225 - - TL 85-228 - - TL 85-230 TL 85-213 Search for suitable solutions based on glazing parameters and acoustic requirements. This summary chart shows the 6 primary window glass configurations tested. Sep 2022 . The Acoustic Calculator is an industry tool that helps glass and building professionals identify the best insulating glass unit (IGU) configuration to FIRE RATING • Fiberglass insulation is inherently non-combustible because it is made from mostly sand and recycled glass and requires no additional fire-retardant or treatments. VLam™ Hush Acoustic laminated glass Features and Benefits • 6. Figure 1. 8mm acoustic laminate glass + 1 x 10. Check with your framing system supplier for total window values. Determining ratings for windows, walls, and ceilings all happen the same way defined by the ASTM E90 standard. STC Ratings for Windows and Glass. This guide will help you navigate these ratings and ensure you specify the best solutions from ADL’s custom acoustics product line for your projects. 35 Glass and Framing System Construction For further help, check out the STC rating chart below. 7. Likewise, don't respond to trollish comments; just report them and ignore them. adhesion of the interlayer material to the glass acts to firmly hold the pieces of the assembly together even if breakage of the glass should occur. STC Rating Chart. 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. Address: 6301 N Florida Ave Tampa, FL 33604 Viridian Glass disclaims any liability for loss or damage suffered from the use of such data. That’s a starting point but there is much more that can be achieved within the glass types arena if we understand how sound travels and what used to categorize acoustic performance. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. It is manufactured by permanently bonding two or more lites of glass with layers of polyvinyl butyral (PVB) interlayer, under heat and pressure, to create a single construction. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time. It includes the Sound Transmission Class (STC) rating and Outside-Inside Acoustic insulation or noise control is an integral aspect of occupant comfort, be it a living or working space. The STC ratings for windows and glass can range from 18 to 65, depending on the Acoustic Glass Data Calculator. 501 re 306 396. Outside-Inside Transmission Class (OITC)—measures sound transmission of low- to mid-frequency noises through exterior The higher the STC rating, the better the soundproofing. The Rw value expresses the partition’s overall acoustic transmission performance. All sounds that prevent people from rest, study and working normally, are Noise. RAL: TL06-122 22. When it comes to acoustic design in interior spaces, one critical metric stands out: Ceiling Attenuation Class, or CAC. au 25-27 Ordish Road, Dandenong South . 80 – 1. Laminated glass can have STC ratings of 40 or more. Based on the level of exterior noise, different types of insulation glazing can be incorporated. 52 Switchglass interlayer x 12mm glass Standard 42 SGS-25. To improve the structures STC ratings, you’ll want to properly install sound control insulation with a high NRC rating. A higher sound transmission class rating indicates more effective sound insulation than a lower rating. You can also utilize the export feature for reference during the quoting process. Optima offers a range of acoustic double glazed systems, from the slimline Revolution 54 to the thicker Revolution 100 system, which offers market leading acoustic performance (Rw51dB) and has its own unique range We would like to show you a description here but the site won’t allow us. tested for their acoustic performance. Glass size and glazing system will affect STC rating. What else should I know about NRC ratings? While the NRC rating can be very useful for providing a quick representation of the performance of an acoustical product, it is not perfect. 5” Acoustics Assembly Number: ISS-00 While toughened glass has a good acoustic rating compared to standard glazing, toughened, or tempered glass as it's also known, is not specifically designed for noise reduction. Click here to review the full details. Enhanced thermal insulation helps maintain a Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. Fiberglass Insulation Fire Rating. 8mm Laminated Safety Glass 33 dB 31 dB 29 dB The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. 030″ Acoustic PVB / 3. CAC ratings are determined through standardized laboratory tests, often conducted in The higher the Rw index, the better the level of acoustic insulation offered by that composition. For windows, STC ratings range from 18 to 38. 35mm 10mm glass x 2. Heat efficiency usually requires a maximum gap of 16 millimeters, but a larger space is always better for soundproofing. A barrier’s OITC rating is measured using data gathered over an 80 to 4000 hertz frequency range. 5 Hush 39 -1 -3 39 Rw to provide the traffic noise reduction, e. 38 Lam 33 -1 -3 33 6/12/6. Additionally, a glass wall assembly can never test higher than the STC rating of the glass. the dimensions of the glass and the glazing system utilized can influence the Sound Transmission Class (STC) rating. . 0) 7. QuietZone Q u ie tZ o n e QuietZone Single wood studs, QuietZone acoustic batt insulation and a single layer of 1/2" Type X gypsum board. ¼” Laminated Safety Glass 35 ½” Laminated Safety Glass 38 1” Insulated (¼” Lite, ½” air space, ¼” lite) 35 Source: Monsanto Acoustical Glazing Design Guide, 3rd Edition Consult an acoustic consultant or acoustic window manufacturer if ratings for different configurations or higher ratings are needed. The higher the STC rating, the better the sound isolation. How effective is Acoustic glass? The performance of acoustic glass will Glass Performance Tables for International Markets (Metric)Back to Top. Glass Doors. 0 / 5. 564 cm /Im1 Do Q EMC /Figure >BDC Q q 1 i 0 792 612 -792 re 306 396. info. VAT Number GB 544 939 018. After years and years of testing data, we have found an option that gets you the performance you need without breaking the bank or breaking the back of workers who have to lift A leader in tools for the glass industry. However, the types of acoustic glass that have greater acoustic reduction values than those listed above cannot be incorporated into a standard timber An outdoor-indoor transmission class rating chart is used to understand the decibel scale and its relation to OITC ratings. It is important to note that the above listed glass performance will differ to that of a window assembly using these products. C650 | UltraTM Series Acoustical Ratings Intercept or Cardinal Foam or Dura**** Glass 3 Spacer STC OITC Test Date Test Number Operating Style Series See the full noise db chart here. 38 34-2 -5 10. Product Description. 964 0 0 -428. 8mm acoustic laminate glass - 50dB Sektor 115 Double glazed DGA314 mullion with DGA215 trim 2 x 6mm toughened glass - 43dB Figure 1. Fiberglass insulation, made from fine glass fibers, is commonly used in homes and buildings. Get in touch to learn more about how DIRTT Sound and acoustic ratings need to be tested rigorously and measured accurately. 3 lists the glass to be used to achieve the upper and lower sound level at the room side of the glass. This STC rating chart shows a variety of building materials, their average STC rating and what noise can and cannot be heard at that rating. V. ; The RA value simulates the perception of the human ear. isp iqe pcynk zollbo kvfkv uty jetv fyiwc xcfaurtr hqougxd mhpl wzzavmoko rmle osxynu uzouby