Stc rating laminated glass. 1, Class A; and CPSC 16 CFR 1201 Category II.

Stc rating laminated glass To determine the specific STC ratings of glass and a insulating glass units. 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 transferrd from outdoor to indoor. Laminated glass increases the STC rating of a window and diminishes unwanted outside noises. At 3/8 inches in thickness, it has an STC rating of 34. Most laminated glass will have an STC rating of around 40. OITC* Frequency (Hz) Laminated Glass Construction. Of course, the rating is determined as an average based on the different frequencies between 125 Hz to 4000 Hz. 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. Frame Construction: 18 Gauge Cold Rolled Steel. However, it is important to note that different glass options and the use of combination units may affect the sound abatement performance of the unit. If the dissimilar glass is your choice, that's a great solution as well, since it has an average rating of 34. May 22, 2022 · Tempered glass can also be used in these applications. Double-Pane (insulating) 28 Decibels. Our STC ratings are for reference only for common wall/door characteristics. Glass Appearance: Clear. To determine the specifi c STC ratings of glass and a window or door assembly, the following ASTM standards should be used: • ASTM E 90 - 90 Standard Test Method for Cardinal's laminated glass offers sound dampening, reducing audio decibel levels in high-noise areas. What Is a Good STC Rating for Windows? As an example, STC rating of 22 to 24 with gaining two points, shows a 90% reduction in noise. Our laminated glass sets the standard in eco-conscious design, featuring EVA, or ethylene-vinyl acetate, interlayer produced through an environmentally friendly process. Broadcast studios, theatre control room windows and 5-Star hotel windows strive for an STC rating of 52 or better. They are made of two layers of glass held together by a membrane, which helps it dissipate noise vibrations. At this time, the American Society for Testing and Materials (ASTM; Now ASTM International), was developing a rating called Sound Transmission Class (STC). Glass Type and Typical STC Value. Monolithic glass Formula: R=13. The two product graph lines follow each other closely but the ordinary laminated glass dips significantly, close to 10dB. Laminated glass can also increase STC rating. 5lgM+13 R:Monolithic glass STC M:Glass 5 days ago · If meeting an architectural specification that requires, for example, an STC 35 instead of the STC 34 you might meet with dissimilar glass, laminated glass may be necessary. An extra pane of glass can give a dual pane window a rating between 26 and 33. com The OITC/STC ratings improve with the addition of more lites, sealed airspaces, and laminated lites. Glass size and glazing system will affect STC rating. Acoustic Properties of Laminated Glass. Therefore, STC ratings for windows and skylights are typically approximated based on the industry validated and conservative STC ratings of the glazing configuration to be utilized. Glass Impact Safety Rating: ANSI Z97. Laminated glass also withstands forced entry and deflects up to 99% of damaging ultraviolet (UV) rays that can cause interior fading. The first records of measurements for the acoustic evaluation of laminated glass date back to 1968. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. Acoustical Guide – Determining Minimum STC Rating Figure 1. Please note that any glass wall system will only test in accordance with the STC rating of the glass. 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. . Laminated glass provides security for both homes and businesses. Generally, the higher the number the more effective a window is at preventing outside noise from entering your home. Laminated glass window inserts have an STC rating of 48, higher than acrylic noise reduction window panels. Locally, the railroad side of the Mandarin Oriental Hotel in DC has DeVAC aluminum windows with frames that are 6 3/4" deep with 3/8" laminated glass, 4 1/2" air space and 1/2" laminated glass. The goal is to create such a high-performance product that an assembly’s STC rating is the same as that of a solid glazed wall. 030 x 1/8” laminated has an STC rating of 34 1” insulated glass ¼” x ½” AS x ¼” has an STC rating of 35 Structural Performance The strength of laminated glass is determined by the glass thickness, type of vinyl, glass size, and the nature of loading. The laminated glass units are constructed 1/4” (6mm) monolithic glass has an STC rating of 31 1/8” x . Laminated 35 Decibels ©2024 Andersen Corporation. Is the clear part of the insert made of glass or acrylic? The two most common choices are 1/4″ thick acoustic grade glass (laminated glass) and 1/4″ thick acrylic. (for more information on STC see ASTM E90 and ASTM E413) OITC - Outdoor-Indoor Transmission Class Oct 22, 2018 · While we work on specifications for high-tech glass on a daily basis (switch-lite glass, bullet-proof and blast-proof glass, low iron, low reflectivity, STC ratings, etc. In addition, using lites of glass of differing Jun 16, 2023 · Laminated Glass: Laminated glass consists of multiple layers of glass with an interlayer, usually made of polyvinyl butyral (PVB). Sound Transmission Class (STC) is a numerical rating used to quantify the sound insulation properties of materials. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. A rating of 40 is the minimum for conversation privacy, and many building codes now require a rating of 50 to 55. Refers to a window manufactured by Soundproof Windows, Inc. Both STC and OITC ratings inform your window or door selection based on sound insulation Mar 7, 2025 · How is the STC Rating Determined? The STC rating is based on how many decibels can be reduced through a material. Higher STC ratings mean better sound control. 24 Page 1 of 7 Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. One US glass manufacturer who has Fire Rating: None. Fire Rating: None. How to Calculate the Glass STC - Free download as PDF File (. Sep 25, 2008 · 1/4" glass = STC 31 1/2" glass = STC 36 I'm not trying to be insulting, but as a matter of curiosity I googled "glass STC" and the very first page had that data. *OITC is estimate d base d on this test. OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. Laminated glass is a proven, effective solution for acoustical protection. In the past, STC was used as a preliminary comparison of various glazing materials. 24 mm) 1/8" 0. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. "Truth and honesty" is our management ideal for Laminated Glass Stc Rating, Interior Glass Railings Kelowna, U Glass Texture, Tempered Glass Sizes,Clear Toughened BLUE - single door 1/4" Laminated Glass Sliding Glass Door (SGD250) BLUE - 5/8" + 1/4" Laminated Glass Sliding Glass Door (SGD650 + SGD250) BLACK - single door 5/8" Laminated Glass Sliding Glass Door (SGD650) RED - single door 3/8" Laminated Glass Sliding Glass Door (SGD400) STC 65 STC 64 STC 41 STC 37 STC 35 STC 65 Sliding Glass Doors 9 Sep 8, 2023 · Normal laminated glass contains a non-glass layer sandwiched between 2 panes. The United States Model Building Codes, the US International Building The sound-dampening interlayer provides a 50% sound reduction over the standard glass with an STC rating of 35. Feb 22, 2023 · 1/8” x . STC is Sound Transmission Class which is a single number rating derived from individual transmittance losses at specified test frequencies. Noise is one of the single most common complaints at hotels, condos, and other commercial properties. Jul 13, 2022 · Decorative laminated glass promotes productivity, natural light, and enhanced Sound Transmission Class (STC) ratings, along with unparalleled aesthetics for display cases, modular walls, dividers, and partitions within retail, personal care, office, and hotel settings. A wider gap provides better sound insulation by minimizing direct sound transmission. If the STC rating is 35, that means the material in question can reduce sound transfer by 35 decibels. Additionally, our COMO Glass Panel is an excellent choice for acoustic performance, offering an STC of 43 for clear tempered glass and 49 for laminated glass. Spec Rites; EPDs; three different glass configurations. Glass inserted into a wood or steel panel door will vary based on how it is sealed into the frame and the rating of the door initially. Sound Transmission Class ratings. As discussed in Section 2, STC ratings and the Rw for most glass configurations are equal. A small change in the STC rating can make a big difference. Overly offers up to 1½ hour UL fire ratings on certain models when one pane is glazed with UL fire-rated glass in tandem with one pane of laminated glass. As mentioned, it STC Rating FINO 3/8" Tempered Glass & 1/2" Laminated Glass 43-46 MIMO 3/8" Tempered Glass & 1/2" Laminated Glass 43-46 Glazed Assemblies STC Ratings The opening of an assembly is the weakest point for sound transmission. The higher the STC rating, the better the soundproofing. This STC rating does not apply to the installed storm door unit. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. Acoustic glass typically has an STC rating of 35-40, compared to standard glass which usually has an STC rating of 27-30. 030 P. Door LAMINATED GLASS Technical Specifications • Safety, Shatter-resistant, retains fragments when broken • Sound Insulation (STC Rating), 35-45 dB • UV Blocking, Up to 99% • Light Transmission, 70-90% (depending on glass type and interlayer) • Impact Resistance, Conforms to EN 356 (P1A to P8B ratings) For a typical single pane window you can expect a STC Rating of 18-20. Seals and Gasketing: Even the highest-rated door will perform poorly without effective The STC rating is the average amount of noise stopped at 18 different frequencies, measured in decibels. Acoustic glass is always laminated glass. PVB, as a result of dampening Laminated glass provides higher mechanical resistance and security benefits. For instance, in residential buildings located in noisy urban environments, selecting glass with a higher STC rating can significantly improve occupant comfort by reducing performance of the window frame, the fi nal STC rating of the window assembly could have no infl uence to a 3-point drop in STC ratings from the base glass STC rating. Sound Transmission Class Sound Transmission Class (STC) is a single-number rating system that assigns a value to a product to indicate how well that product insulates against unwanted noise The higher the STC number, the better the glass keeps out unwanted noise. *OITC is estimated based on this test. Sound transmission ratings are available for many Great Lakes Window IGUs. When planning glass wall systems, here’s a to provide conservative estimates of required STC or Rw ratings to be used by the building designer as a planning tool for window glazing. V. Mar 22, 2024 · Understanding the STC rating of glass is crucial for architects, builders, and designers when selecting glass products for projects where sound insulation is a priority. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Laminated- sulating Glass 2 4-3/4" (120. Oct 30, 2022 · Laminated glass has a high STC rating, making it an effective sound barrier. Mid Range STC 36 - 42. May 14, 2021 · Choose glass thickness-laminated glass or single glass (interlayer or no interlayer)-Cavity/Spacer (1mm-30mm)-Gas Filling (Air/Argon/Krypton) laminated glass or single glass (interlayer or no interlayer)-Predict-Value Type (RW/STC/OITC Data)-Results Download STC Example : ¼” Monolithic glass has an STC of ~31dB. With an STC rating of 48, loud speech is largely inaudible. ) Discusses the acoustical properties of glass, methods of rating, such as STC and OITC, applicable standards and the relationship between glass and other glazing components in determining an overall rating. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. This is why INFINIUM’s Refine and Quantum Double-Glazed wall systems offer the highest STC ratings. It is used for exterior and interior walls, ceilings and floors and in the past was also used for preliminary comparison of the performance of various glazing materials. 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. 3. For example, the STC rating for a typical residential brick veneer wall is in the 52-54 range. To achieve even higher STC Ratings, window manufacturers may offer the addition of laminated glass, dissimilar glass and other sound dampening components to their window design. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. 03. The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. If your target STC rating is 39, then you will likely need to increase the air space to 2". Generally, when measured in conjunction with double-pane windows, laminated glass window inserts have an STC rating of 48. Laminated & Double-Glazed Glass. A SPW using 1/4" laminated glass A SPW using 5/8" laminated glass All tests were performed by Western Electro-Acoustic Laboratory (WEAL), a fully accredited Laminated glass increases the STC rating of a window, diminishing unwanted outside noises. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. Jan 28, 2025 · This article explores STC ratings, their calculation, and their application in commercial environments. Laminated Glass Noise Reduction Window Panels. Outdoor-Indoor Transmission Class (OITC) – applicable to exterior walls (including doors and windows) where the See full list on dillmeierglass. Options. Overall Glazing Configuration STC M onolithic 1/8” glass 29 Mono lithic 1/4" Laminated [ 1/8 / 0. How to compare sound performance There are two common measures of sound performance that you’ll come across: STC and OITC. Its composition helps to reduce sound vibrations, improves STC ratings, and often is used in durable products, like windshields. Double-glazed glass can also achieve an STC rating of up to 40. TD-136 - Recycled Glass Use An explanation of Vitro Glass's use of recycled glass. Given the number of conversations we have on the subject, perhaps laminated glass isn E413-87 in an ac oust ical wall. All performance data is calculated using LBNL Window 7. The STC ratings are for glass only in a fullview glass panel. For better sound reduction, we also offer laminated glass with an STC of 38, which further lowers the sound level to 22dB, making it perfect for focused work or private meetings. Glass Kits: If your door includes glass panels, the type and thickness of the glass will affect the STC rating. 3 software and represents center of glass performance data. Two common acoustical rating systems are: Sound Transmission Class Rating (STC) – applicable to interior building partitions and viewing windows where the sound source is human speech and/or office equipment. Glass Thickness: 1/4" Glass STC Rating: 35. Be advised, though: laminated glass can add between 30 percent and 50 percent to the cost of the window, making it a fairly impractical solution from a cost perspective. The first measure of acoustic performance is referred to as the Sound Transmission Class or STC. You should be aware that an increase by 10 in the STC rating means that the noise is reduced by half, which is the case here. Polycarbonate. The definitions of two ratings: Sound Transmission Class or STC and Outdoor-Indoor Transmission Class or OITC; The project’s design requirements and how they impact the glazing system, and; How to calculate an STC or OITC rating; STC versus OITC. And yesthat was a Window Man project. May 30, 2024 · STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. This document provides sound transmission class (STC) ratings for various glass and wall constructions. Save as PDF 800 Park Drive , Owatonna , MN 55060 US | (800) 533-2080 Laminated Glass encompasses two pieces of glass that are permanently bonded together with an interlayer type including polyvinyl butyral (PVB), Sentry Glass (SGP), and ethylene vinyl acetate (EVA). Laminated Glass Laminating glass is a popular way to increase an STC rating. Dual-glazed acoustic/bullet-resistant window models include STC 55 UL Level 1. 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. Laminated glass increases the sound insulation by decoupling the glass panes and damping the vibrations generated by the sound waves. See in this video how laminated glass is made: 13/16" overall - 1/2" glass, . Laminated glass increases the STC rating of a window, diminishing unwanted outside noises. Capabilities [+] [-] Sound Control Capabilities Laminated Glass: Sound Transmission Loss Jun 21, 2019 · Windows with dissimilar glass typically have an STC rating around 34 which is similar to the STC rating of standard exterior walls. laminated units are available for increased performance. Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. Door 1/4" thick laminated architectural glass; Comprised of two plies of glass and a . The higher the STC rating, the more sound will be dampened. For this reason, STC (Sound Transmission Class) ratings have become a primary consideration when choosing doors for large-scale projects. Laminated glass fabricated with PVB and SGP will meet safety glazing requirements and will remain in the opening if breakage should occur. This ‘dip’ means more noise is let through at these frequencies Oct 27, 2024 · The ability of laminated glass to absorb and block sound waves is measured in terms of its Sound Transmission Class (STC) and Outdoor-Indoor Transmission Class (OITC) ratings. Mar 3, 2023 · To find out the best windows and their glass STC rating chart, contact the best window company in Toronto such as Vinyl Light. Acrylic window inserts rate 42. Oct 31, 2022 · A laminated glass panel can be as thin as 5mm or as thick as 9mm. Glass Type: Clear Laminated Glass. A SPW using 1/4" laminated glass A SPW using 5/8" laminated glass All tests were performed by Western Electro-Acoustic Laboratory (WEAL), a fully accredited three different glass configurations. That roughly translates to how many decibels the window inserts block, averaged from high-pitched to low-pitched sound. 030" PVB interlayer; STC 35 rating; Standards. This table compares Vitro Architectural Glass product performance data when assembled in a one-inch (25 mm) insulating glass unit with a ½-inch (13 mm) air space and two ¼-inch (6 mm) lites. Glass also exhibits increased sound insulation performance with thicker dimensions, although it starts with a higher STC rating than plexiglass acrylic at the same thickness. Laminated glass is stronger and blocks UV light, but tempered glass is much cheaper. Jan 28, 2024 · If you use laminated glass, then the STC rating will go up to 35 or more, which is definitely an improvement. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000. Estimated Glazing Type STC ¼” Tempered Safety Glass 31 ½” Tempered Safety Glass 36 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 the interlayer of laminated glass. There are variances to consider for each construction project as STC ratings will be different in onsite conditions as opposed to the general rating guidelines. At 1/4 inch thickness, it has an STC rating of 31. B. The principle of the test was to send May 22, 2022 · Standard glass doors can have an STC between 28 and 35, laminated between 35 and 40, and soundproof glass from 48 to 55 or higher. Laminated Glass Stc Rating; Laminated Glass Stc Rating - China Factory, Suppliers, Manufacturers. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Thickness Inside Construction Space Outside STC Value ISO RW 3 Single Laminated Glass 1 1 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. Types of Acoustic Glass Laminated Acoustic Glass Hushes sound by up to 39db, bringing perceived volume down to a whisper. glass constructions only. Understanding STC STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Laminated- sulating Glass 2 4-3/4" (120. Glass size and glazing system will affect STC rating. Aug 6, 2023 · As you can see, an increase in thickness translates to an increase of STC and OITC ratings. Provide more privacy and a quieter environment with SDAC, bumping up the STC rating on a budget. txt) or read online for free. Resources. Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. Aug 21, 2024 · Single-pane windows can have an STC rating around 25. We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. UPDATED; TD-138 - Heat Treated Glass for Architectural Dec 31, 2024 · Gaps or weaknesses in the frame can compromise the STC rating. 7 mm) 1/2" laminate 4", Air 1/4" laminate The American Society for Testing and Materials (ASTM) developed the sound transmission class rating (STC) to describe the sound isolation performance of materials. OITC has replaced STC for comparing glazing materials. Glass siz e and glazing system will a˜ect STC rating. Each increase of 10 in an STC rating halves the sound. After sealed IG units were installed into the laboratory test opening, the first glass panel and wood spacers were used to complete the triple glass configurations. pdf), Text File (. 1. Typical dual glazed windows can achieve better ratings of 25-27. (See ratings on reverse. ), we want to circle around to a product that’s been around a while: laminated glass. A detailed discussion of the methodologies and supporting analytical rationale are provided in Section 4. What Are STC Ratings and Why Do They Matter? Definition of STC Ratings. The higher the STC and OITC ratings, the better the glass is at reducing sound transmission. If you double the air space, you can generally get about a 3 dB improvement in the transmission loss. The STC (Sound Transmission Class) rating is a single-num ber rating system for interio r build ing partitions and viewin g windows used to catego rize acoustic performanc e. Frame Fasteners #8 x 1" Flathead Phillips SMS – Included. For instance, a double hung window made with 1/4" annealed glass and a 1/2" air space may have an STC rating of 33. Aug 7, 2023 · Consider how these types of laminated glass and their respective thicknesses correspond to STC ratings: ¼-inch glass yields an STC rating of about 31; 3/8-inch glass yields an STC rating of about 34; 3/8-inch of standard laminated yields an STC rating of about 36; 1/2-inch of glass yields an STC rating of about 36 Jul 5, 2023 · Thinner glass has a low STC rating because sound travels through it easily. A higher STC rating indicates a greater sound dampening effect. * 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. It is a non-linear scale. The nature of the glass also matters: at the same thickness, laminated glass is on average 4 points ahead in STC ratings than normal glass. May 6, 2020 · 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 laboratory conditions. 030 / 1/ 8 ] 34 VT's Sound-Resistant STC Doors. The acoustical properties of glass is an important consideration when designing a wall in a conference room, corridor, or other space with a lot of glass which must achieve a specific STC rating. A higher STC rating indicates a greater sound dampening effect. The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. Lower Range Up to STC 35. 7 mm) 1/2" laminate 4", Air 1/4" laminate Laminated glass is two or more layers of glass permanently adhered to one another with one or more polymer interlayers in a thermoset, high-heat process. 1/8" 35 35 May 22, 2022 · STC window rating depends upon several factors – glass thickness, laminated glass, the airspace between panes, and how and what the frame is constructed of. Compared to single-pane windows E413-87 in an acoustica l wall. For simplification, we have segmented NanaWall sound-rated opening glass wall solutions into three categories. The STC and ISO RW values indicate the acoustical performance ratings, with higher numbers indicating better sound the sound transmission class rating (STC) to describe the sound isolation performance of materials. STC. Sound Transmission The performance data below applies to laminated glass units constructed with two plies of glass and an interlayer. When used in windows, doors, and skylights, laminated glass can help to reduce noise levels inside a building. 1, Class A; and CPSC 16 CFR 1201 Category II. The higher the STC rating, the better the material STC rating may only be assigned to specimens tested in a laboratory setting. Glass can have an STC rating of poor or nearly soundproof depending on its sound transmission class. Costing more than other materials, this is used mainly for exterior applications. A window’s STC rating varies based on the thickness of glass, a gas fill between the panes, and a window’s air tightness. STC Jun 6, 2024 · Sound Transmission Class (STC) ratings are used to measure the effectiveness of acoustic glass in blocking sound. Laminated glass with an air pocket is often recommended for better soundproofing. This article explains the differences between laminated glass and toughened glass. Frame Profile: Low. High Range STC 43 - 45. However, other factors like the number of panes and air gaps also have an impact on these ratings. It can be made from a wide range of materials, but acoustic laminated glass only uses polyvinyl butyral (PVB). Dissimilar glass is known for having a high STC-rating that helps reduce noise; Provides better sound-reducing properties than triple-pane and laminated glass; Features two glass panes with varying thickness to block multiple frequencies Some STC ratings of common window assemblies are listed below. See additional notes below data for specific May 4, 2019 · The order of sound insulation performance from poor to excellent is: monolithic glass < laminated glass <double insulated glass < triple insulating glass< laminated insulated glass. When combined with a hermetically-sealed IG unit, the acoustical benefits to your windows Dec 12, 2023 · Here are just a few of the many benefits dissimilar glass windows can provide. the installation. The combination of thicker glass and laminated lites containing acoustic grade polyvinyl butyral (PVB) further improves the sound reduction performance. STC ratings are a logarithmic scale similar to the earthquake Richter Scale, which means each escalating number is significantly higher in performance than the previous number. Achieve sound control similar to lamination with a single glazed solution, bringing perceived volume down to a whisper Sound Control: Effectively reduces perceived loudness by […] -114• glass) with an STC rating of 34. STC. At 1/8 inch thickness, it has an STC rating of 30. Additional advantages of laminated glass include: Figure 1: shattered laminated glass The laminated glass helps reduce sound more effectively than non-laminated dual-pane glass. Securing a higher STC rating than this is possible but impractical because it is more expensive and sound can enter through lower-performing parts of the home such as the exterior walls. Laminated and double-glazed glass both hold STC ratings of 40, but anything higher typically calls for a combination of the two. Graph 1 shows the sound transmission loss of glass across a low to high frequency range, comparing ordinary laminated and Acousta™ laminated glass. Is Laminated Glass Soundproof? A laminated glass sheet is formed by sandwiched between two sheets of glass, with polyvinyl butyral (PVB) sandwiched between them. Single-Pane 27 Decibels. 70 60 --STC38 Mar 21, 2024 · Air Pocket Between Glass Panes: The distance between the two panes of glass in double-glazed units affects STC. It’s a clear resin that is tough and flexible and, helpfully, offers good acoustic properties. When combined with an IG unit, the acoustical benefits to your windows increase – and a double-laminated IG unit provides maximum sound protection. The tested STC ratings were less than the manufacturer's published STC ratings. Here we introduce a simple formula to calculate the glass STC-sound transmission class. bwvdto aawpoe udgtwx cgetv daci hvzuf whzcswz xuboo iuj vupdbe ntpfa hgeq sqyq aek hzfno