Stc rating laminated glass. Glass size and glazing system will affect STC rating.

Stc rating laminated glass 70 60 --STC38 The laminated glass helps reduce sound more effectively than non-laminated dual-pane glass. 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 is stronger and blocks UV light, but tempered glass is much cheaper. Acoustic Properties of Laminated Glass. 7 mm) 1/2" laminate 4", Air 1/4" laminate glass constructions only. The higher the STC rating, the better the soundproofing. 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 I upgraded street-facing windows to Milgard Tuscany dual-pane with laminated glass on inner side. Refer to Table 2 for representative STC ratings. 24 Page 1 of 7 E413-87 in an acoustica l wall. STC Rating OITC Rating; ¼" Monolithic Glass: 31: 29: ½" Monolithic Glass: 36: 33: ¼" Glass + ½" Air + ¼" Glass IGU: 35: 28: When using laminated glass, you 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’s a rating that measures sound attenuation through building materials, such as brick, concrete, glass, etc. All data The answer to a noise concern is not less glass, but the use of innovative laminated safety glass made with Saflex™ Acoustic PVB interlayer. Monolithic glass Formula: R=13. Sound Transmission See full list on dillmeierglass. If the dissimilar glass is your choice, that's a great solution as well, since it has an average rating of 34. 24 mm) 1/8" 0. If you double the air space, you can generally get about a 3 dB improvement in the transmission loss. For a typical single pane window you can expect a STC Rating of 18-20. Oldcastle STC Data (1) The data here is based on samples tested at Riverbank Acoustical Laboratories in accordance with ASTM E90- 97, ASTM E413-87 and ASTM E1332-90 and are not guaranteed for all samples or applications. 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. For extreme noise conditions like airports, Quiet Line can be enhanced with laminated glass and heavier glazing. May 30, 2024 · STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. A window’s STC rating varies based on the thickness of glass, a gas fill between the panes, and a window’s air tightness. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. The combination of a laminated glass assembled in an insulated unit will maximize STC Rating up to 45 (Studio 4) & 56 (Studio 6) Frames available in Clear Anodized or Bronze Anodized; 4° angled glass for best acoustical performance; Easy installation – we include installation instructions & necessary shop drawings; Glass shipped separately to avoid breakage – simple snap-in glass installation on job site Aug 6, 2023 · As you can see, an increase in thickness translates to an increase of STC and OITC ratings. -1/2" (total 3/4" thick), panels caulked in place in single frame with wooden stops and glazing putty. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. -1/8" (total 3/8" thick), 1/4"-0. The higher the STC rating, the more sound will be dampened. Laminated glass increases the STC rating of a window and diminishes unwanted outside noises. Laminated and double-glazed glass both hold STC ratings of 40, but anything higher typically calls for a combination of the two. Most laminated glass will have an STC rating of around 40. 38 32 6. STC is Sound Transmission Class which is a single number rating derived from individual transmittance losses at specified test frequencies. 030 P. OITC has replaced STC for comparing glazing materials. See additional notes below data for specific May 22, 2022 · A sheet of laminated glass that is ¼” thick will have an STC rating of 35, nearly the same as regular glass that’s twice as thick. 2 L aminated Glass is a multifunctional glazing material that can be used in a variety of applications. 38 36 12. 52 39 20. 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 instance, a double hung window made with 1/4" annealed glass and a 1/2" air space may have an STC rating of 33. 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 Jul 5, 2023 · Thinner glass has a low STC rating because sound travels through it easily. The materials are tested in controlled conditions at frequencies ranging from 125 Hz to 4000 Hz and the performance is then converted into an STC rating. In general, a higher STC rating blocks more noise from transmitting through a partition. The laminated glass units are constructed STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Laminated- sulating Glass 2 4-3/4" (120. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. Laminated glass increases the STC rating of a window, diminishing unwanted outside noises. Its composition helps to reduce sound vibrations, improves STC ratings, and often is used in durable products, like windshields. 76 40 Duo Plus™ IGU with Laminated PVB mm Rw 6/12/6. 1, Class A; and CPSC 16 CFR 1201 Category II. Refers to a window manufactured by Soundproof Windows, Inc. Performance targets are selected based on acoustic ratings, and results are revealed immediately. three different glass configurations. A wider gap provides better sound insulation by minimizing direct sound transmission. A higher STC rating indicates a greater sound dampening effect. When it comes to choosing a secure, safe and durable glass solution for a space, two options rise to the forefront- tempered glass and laminated glass. -1/8" (total 1/4" thick), 1/4"-0. Higher ratings mean better sound Graph 1 shows the sound transmission loss of glass across a low to high frequency range, comparing ordinary laminated and Acousta™ laminated glass. Laminated glass provides security for both homes and businesses. 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. 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. 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. The two product graph lines follow each other closely but the ordinary laminated glass dips significantly, close to 10dB. Now I barely hear anything from the street. Limit transfer of smoke with our non-rated, smoke partition. Both STC and OITC ratings inform your window or door selection based on sound insulation Aug 21, 2024 · Single-pane windows can have an STC rating around 25. ) based on its ability to reduce sound coming through it. 17. * Feb 11, 2025 · 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. 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. Similarly, a ½” sheet of laminated glass has an STC rating of 38. Example:6mm clear tempered glass STC=13. Seals and Gasketing: Even the highest-rated door will perform poorly without effective laminated glass n n 5/2011 S. It’s a rating used to quantify a material’s ability to block sound waves. Additional advantages of laminated glass include: Figure 1: shattered laminated glass Sep 2, 2023 · STC stands for Sound Transmission Class. 5 times over normal glass. 1/4” (6mm) monolithic glass has an STC rating of 31 1/8” x . The performance data below applies to laminated glass units constructed with two plies of glass and an interlayer. Capabilities [+] [-] Sound Control Capabilities Laminated Glass: Sound Transmission Loss 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. V. 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. 13/16" overall - 1/2" glass, . Glass thickness. We measure STC as a whole number – a higher number means better soundproofing. 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. higher STC ratings. 76 , 17. Glass Type: Clear Laminated Glass. . 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). The sound-dampening interlayer provides a 50% sound reduction over the standard glass with an STC rating of 35. 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. Double-glazed glass can also achieve an STC rating of up to 40. Types of Acoustic Glass Laminated Acoustic Glass Some STC ratings of common window assemblies are listed below. Glass Impact Safety Rating: ANSI Z97. The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. Laminated IG (laminated glass toward interior) Double-laminated IG (various) Reports are generated in Eastman format and serve as guidance only. OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. Glass Thickness: 1/4" Glass STC Rating: 35. 5)+13=28. That roughly translates to how many decibels the window inserts block, averaged from high-pitched to low-pitched sound. This means one pane of glass is thicker than the other. Custom glass available. Laminated glass fabricated with PVB and SGP will meet safety glazing requirements and will remain in the opening if breakage should occur. 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). 11F P. (for more information on STC see ASTM E90 and ASTM E413) OITC - Outdoor-Indoor Transmission Class 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. 3mm thick monolithic glass, glass STC is only 30Dbs,when glass thickness was increased to 12mm thick,glass STC can reach 36Dbs,whether it’s single piece monolithic glass,laminated glass,or insulated glass,the thicker total glass thickness,the better sound transmission loss. 0 This guide provides an introductory overview of glass concepts and terminology, plus Fire Rating: None. STC is highly dependant on the construction of the partition. 1/8" 35 35 Jan 28, 2024 · If you use laminated glass, then the STC rating will go up to 35 or more, which is definitely an improvement. Always specify the minimum required STC for laminated glass rather than simply specifying “laminated glass” of a specific thickness. I was initially concerned the reported STC rating is only 37 which is almost the best they can do, but I’m glad I went with it as the improvements are huge. The higher the STC rating- the better the sound control. Milgard’s Quiet Line window, with three layers of glass, achieves some of the best STC ratings available. Technical Glass Guide Update 6/15/21 – Version 3. Glass Appearance: Clear. 76 , 9. 52 37 16. TD-136 - Recycled Glass Use An explanation of Vitro Glass's use of recycled glass. Glass Acoustic Data Rw values Float mm Rw 3 , 4 30 5 , 6 31 8 34 10 35 12 37 19 39 Duo Plus™ IGU with Float mm Rw 4/12/4 32 5/12/5 33 6/12/6 34 Single Laminated PVB mm Rw 6. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. 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. 400 Series Frenchwood® Hinged Patio Door Hardware (Trim Set) Exploded View The American Society for Testing and Materials (ASTM) developed the sound transmission class rating (STC) to describe the sound isolation performance of materials. 7 mm) 1/2" laminate 4", Air 1/4" laminate The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. VLam™ Hush can incorporated in an insulated glass unit with different glass types from across our product range to provide additional benefits such as privacy, security, noise reduction and energy efficiency. To determine the specific STC ratings of glass and a 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. Jan 2, 2025 · Tempered Glass vs. 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. 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. Laminated & Double-Glazed Glass. OITC* Frequency (Hz) Laminated Glass Construction. STC ratings are used for windows doors, walls & most building materials. 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. Increasing glass thickness is the most important measurement. STC RATINGS EXPLAINED. 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. Acoustic glass typically has an STC rating of 35-40, compared to standard glass which usually has an STC rating of 27-30. VLam™ Hush is a laminated Grade A safety glass. 030" P. Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. Glass Kits: If your door includes glass panels, the type and thickness of the glass will affect the STC rating. Frame Profile: Low. Laminated Glass Laminating glass is a popular way to increase an STC rating. 5lg(M1+M2)+13+R1 R:laminated glass STC M1,M2:Glass panel density Laminated glass is a proven, effective solution for acoustical protection. Laminated Glass Applications Jun 6, 2024 · Sound Transmission Class (STC) ratings are used to measure the effectiveness of acoustic glass in blocking sound. 1. *OITC is estimated based on this test. The combination of thicker glass and laminated lites containing acoustic grade polyvinyl butyral (PVB) further improves the sound reduction performance. 03. Feb 10, 2014 · An easy way to get a better stc rated window is to add dissimilar glass. At 1/4 inch thickness, it has an STC rating of 31. Glass size and glazing system will affect STC rating. Door of acoustic glass with high ratings. 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. Acrylic window inserts rate 42. 38 35 11. Factors that affect glass STC. Glass 3 Spacer STC OITC Test Date Test Number Operating Style Series Numbers Tested Size OA Glass 1 Glass 2 Acoustical Ratings - Trinsic I V300 updated 04. How to compare sound performance There are two common measures of sound performance that you’ll come across: STC and OITC. The tested STC ratings were less than the manufacturer's published STC ratings. This ‘dip’ means more noise is let through at these frequencies 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. The sound attenuation properties of a glazing type will be achieved with the plastic interlayer absorption of sound transmission of a laminated glass or else with the isolating air space of an insulated glass. Architectural Laminated Glass Acoustical Performance What is an OITC Rating? OITC (Outdoor-Indoor Transmission Class) rating is an essential consideration for architectural laminated glass customers. 5lgM+13 R:Monolithic glass STC M:Glass density. 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. STC rating goes from 25 – 65. Choose from clear and low-iron varieties of tempered or laminated glass in ¼” (6 mm), ⅜” (10 mm), or ½” (12 mm) thicknesses. 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 Specify assemblies with vertical mullions or butt-joint glass-to-glass details. 38 36 6/12/8. Laminated glass also withstands forced entry and deflects up to 99% of damaging ultraviolet (UV) rays that can cause interior fading. The higher the STC and OITC ratings, the better the glass is at reducing sound transmission. Outdoor-Indoor Transmission Class (OITC) – applicable to exterior walls (including doors and windows) where the Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. In both laminated and double-glazed glass, the STC rating is 40, but anything higher calls for a combination of both. 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. How SoundPro works. Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. Frame Construction: 18 Gauge Cold Rolled Steel. Laminated glass Formula: R+13. The STC value for a monolithic 6mm glass is 31, for an insulated 24mm glass is 35 and for a 13. When planning glass wall systems, here’s a 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. 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. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. B. com The OITC/STC ratings improve with the addition of more lites, sealed airspaces, and laminated lites. Save as PDF 800 Park Drive , Owatonna , MN 55060 US | (800) 533-2080 laminated units are available for increased performance. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. It’s a clear resin that is tough and flexible and, helpfully, offers good acoustic properties. As mentioned, it May 22, 2022 · Tempered glass can also be used in these applications. A higher STC rating indicates a greater sound dampening effect. g. 52 , 12. It’s actually 2 pieces of glass with a piece of plastic in the middle. 38 34 8. 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. 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. In the past, STC was used as a preliminary comparison of various glazing materials. Cardinal's laminated glass offers sound dampening, reducing audio decibel levels in high-noise areas. 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. For instance, in residential buildings located in noisy urban environments, selecting glass with a higher STC rating can significantly improve occupant comfort by reducing Laminated Glass Laminating glass is a popular way to increase an STC rating. 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 Oct 27, 2022 · กระจกลามิเนต (Laminated Glass) คือ กระจก 2 แผ่นขึ้นไป ประกับกัน ด้วยฟิล์มกาวตรงกลาง ซึ่ง ฟิล์มกาวที่นิยมใช้ จะใช้ฟิล์ม PVB (Polyvinyl Butyral) และในปัจจุบัน มีการคิดค้น Reduces UV radiation by 99% reducing fading up to 8. At 1/8 inch thickness, it has an STC rating of 30. STC. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. Acoustic glass is always laminated glass. Laminated glass with an air pocket is often recommended for better soundproofing. A rating of 40 is the minimum for conversation privacy, and many building codes now require a rating of 50 to 55. At 3/8 inches in thickness, it has an STC rating of 34. STC stands for Sound Transmittance Control and its the standardized way of measuring the sound deadening properties of building materials. A lot of the times you can get a double strength IGU (glass unit) with a laminated panel that will have a higher STC rating than a triple glazed IGU. Glass siz e and glazing system will a˜ect STC rating. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Laminated- sulating Glass 2 4-3/4" (120. insulating glass units. 5*lg(6*2. 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. SoundPro calculates glass usage by performance or glazing configuration. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000. STC Here we introduce a simple formula to calculate the glass STC-sound transmission class. Jan 18, 2022 · STC Ratings Updated : 01/18/2022 by K. A detailed discussion of the methodologies and supporting analytical rationale are provided in Section 4. Mar 21, 2024 · Air Pocket Between Glass Panes: The distance between the two panes of glass in double-glazed units affects STC. Laminated glass is like the windshield of your car. 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. Costing more than other materials, this is used mainly for exterior applications. Frame Fasteners #8 x 1" Flathead Phillips SMS – Included. The STC and ISO RW values indicate the acoustical performance ratings, with higher numbers indicating better sound STC rating (Sound Transmission Class rating) is a score given to a building’s surface (wall, ceiling, window, etc. 52mm laminated glass is 39. UPDATED; TD-138 - Heat Treated Glass for Architectural 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 Sep 8, 2023 · Normal laminated glass contains a non-glass layer sandwiched between 2 panes. Finish Options This document provides sound transmission class (STC) ratings for various glass and wall constructions. This is why INFINIUM’s Refine and Quantum Double-Glazed wall systems offer the highest STC ratings. One US glass manufacturer who has the sound transmission class rating (STC) to describe the sound isolation performance of materials. A common way to accomplish this is to use laminated glass. We use it for anything from drywall and brick to glass and plastic – anything that can be considered a building material. *OITC is estimate d base d on this test. Typical dual glazed windows can achieve better ratings of 25-27. It is a logarithmic scale and ranges from 18 to 50 for windows. STC Example : ¼” Monolithic glass has an STC of ~31dB. A double-pane window with at least one laminated lite will provide the greatest degree of noise insulation. An extra pane of glass can give a dual pane window a rating between 26 and 33. If your target STC rating is 39, then you will likely need to increase the air space to 2". 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. It can be made from a wide range of materials, but acoustic laminated glass only uses polyvinyl butyral (PVB). -1/4" (total 1/2" thick), 1/4"-0. Dec 31, 2024 · Gaps or weaknesses in the frame can compromise the STC rating. Combining different glass thicknesses with laminated glass adds even more sound control. 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. 87dB. 2. 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. Compared to single-pane windows The STC rating is the average amount of noise stopped at 18 different frequencies, measured in decibels. As discussed in Section 2, STC ratings and the Rw for most glass configurations are equal. Acoustical Guide – Determining Minimum STC Rating Figure 1. Pim Foam or Dura**** 3/32 3/32 - 28 23 4/19/99 TL99-145 Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name 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. See in this video how laminated glass is made: STC rating may only be assigned to specimens tested in a laboratory setting. 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. 76 33 8. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time. Polycarbonate. 38 40 Generally, when measured in conjunction with double-pane windows, laminated glass window inserts have an STC rating of 48. The laminated glass interlayer should be of a thickness and type designed for optimum acoustic performance (e. Sound Transmission Class ratings. 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. 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. Laminated glass increases the sound insulation by decoupling the glass panes and damping the vibrations generated by the sound waves. 76 , 13. It is a non-linear scale. Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. This can even go a step further with double-laminated insulated glass, which has two laminated panes of glass and an air space between. 52 , 10. Laminated glass can also increase STC rating. , Saflex Acoustic PVB). However, other factors like the number of panes and air gaps also have an impact on these ratings. -114• glass) with an STC rating of 34. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. When combined with a hermetically-sealed IG unit, the acoustical benefits to your windows Sep 10, 2023 · STC stands for Sound Transmission Class. Laminated Glass: Understanding the Key Differences and Choosing the Right Glass for Your Needs. to provide conservative estimates of required STC or Rw ratings to be used by the building designer as a planning tool for window glazing. kkdz zkod qnztpb stjlfn ute rty dolo tyusrm upy rpeyahz icmmlxx wyvztt msnxv wflkkml ekxdbg