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

Best stc rating laminated glass Lower Range Up to STC 35. Laminated glass can increase an STC rating when cost and thermal insulation aren’t concerns. A wider gap provides better sound insulation by minimizing direct sound transmission. Insulation in the attic may be more effective. 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. Glass siz e and glazing system will a˜ect STC rating. Polycarbonate Stc rating of laminated glass 03" interlayer, 1/8" glass 3 6 Same as above but with 0. Two outer layers of glass surround the center layer of special adhesive. STC - Sound Transmission Class The STC is a single number rating derived from individual transmission losses within a specified test frequency. Performance targets are selected based on acoustic ratings, and results are revealed immediately. B. 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 Feb 1, 2023 · Window film works best on thick heavy glass, or dual glazed windows, or laminated glass because they are already quite good at soundproofing and vibration reduction. In addition, using lites of glass of differing Jan 28, 2024 · Double glazed windows are a bit superior for blocking sound, with an average rating of 29. Higher ratings mean better sound Sep 24, 2023 · Next, figure out what’ll be the best type of glass for your project. The STC of the pane is the same. 5*lg(6*2. Other factors to consider when soundproofing 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. An STC rating is an instrument measurement of how much noise is stopped. Acoustic glass typically has an STC rating of 35-40, compared to standard glass which usually has an STC rating of 27-30. Jun 6, 2024 · Sound Transmission Class (STC) ratings are used to measure the effectiveness of acoustic glass in blocking sound. As you can see, no window system will achieve complete soundproofing with an STC rating of 38. Among the many key major benefits of systems from VGP: Advanced Ease of Overall Installation; Bottom up for the Glass Install vs. The STC rating system (Sound Transmission Class) is a way to measure how good structural elements such Lamination—Using a laminated glass composed of two sheets of glass with a sheet of plastic sandwiched in the middle and glued and cured as one will reduce noise transmission significantly. 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 Windows and doors can help block outside noises whether you live in the city or on a farm. Apr 4, 2019 · In this post, window replacement experts Renewal by Andersen® of Western New York discusses STC ratings and what rating is the best for windows. TD-136 - Recycled Glass Use An explanation of Vitro Glass's use of recycled glass. STC rating (Sound Transmission Class rating) is a score given to a building’s surface (wall, ceiling, window, etc. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. The best for its size is dual-pane acoustic glass, as this combines an air gap and PVB for superior performance. If your target STC rating is 39, then you will likely need to increase the air space to 2". But you might see the best improvement using film on 3 mil single glass because anything that stiffens the panes up will cut down vibration, with cuts down sound transference. Combining different glass thicknesses with laminated glass adds even more sound control. STC rating goes from 25 – 65. *OITC is estimate d base d on this test. There are different ways to improve the STC rating of windows. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. 52mm laminated glass is 39. Triple-pane windows have an STC rating between 28-34. STC: OITC: Rw: 1/4″ RAL-TL85-169 For the best experience on our site, Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. 11F P. This ‘dip’ means more noise is let through at these frequencies Generally, when measured in conjunction with double-pane windows, laminated glass window inserts have an STC rating of 48. If thicker glass material is used, the rating can go up to 35. V. A rating increase from 24 to 33 corresponds to a 95% of noise reduction. A local reputable shop will be able to provide more input based on visual inspection Single-pane windows usually have an STC rating between 26-28. Aug 9, 2022 · In addition, the interior glass is laminated, making it shatterproof for extra safety. Special acoustic grades of laminated glass are available, which comprises two glass sheets with a layer of acoustic resin. Laminated IG (laminated glass toward interior) Double-laminated IG (various) Reports are generated in Eastman format and serve as guidance only. insulated glass. When combined with an IG unit, the acoustical benefits to your windows increase – and a double-laminated IG unit provides maximum sound protection. insulating glass units. Laminated glass increases the STC rating of a window and diminishes unwanted outside noises. The larger the 1/4” (6mm) monolithic glass has an STC rating of 31 1/8” x . The higher the STC rating, the better the glass is at reducing sound transmission. How to compare sound performance There are two common measures of sound performance that you’ll come across: STC and OITC. Sep 2, 2023 · STC stands for Sound Transmission Class. Additionally, windows with high STC (Sound Transmission Class) ratings are specifically designed to reduce noise from outside. How to Increase Window STC Rating. Glass Product Type and Thickness STC Rating OITC Rating Monolithic 3/ 32 ” 26 - 1/ 8 ” 29 - ¼” 31 29 ½” 36 33 Sealed Insulating Glass Units 1/ 8 ” glass + ¼” air + 1/ 8 ” glass 28 26 ¼” glass + ½” air + ¼” glass 35 28 ¼” glass + 1” air + ¼” glass 37 30 Laminated Glass with 0. 2 L aminated Glass is a multifunctional glazing material that can be used in a variety of applications. Example:6mm clear tempered glass STC=13. Laminated glass Formula: R+13. Jan 29, 2021 · The best soundproof windows are typically double-pane windows or windows with laminated glass. Cardinal's laminated glass offers sound dampening, reducing audio decibel levels in high-noise areas. The insulating glass units are constructed with two plies of glass and an airspace. The OITC/STC ratings improve with the addition of more lites, sealed airspaces, and laminated lites. Jan 17, 2019 · STC 32 Casement 33 3/16” one Laminate two STC 35 Casement 37 1/4” one Laminate two STC 35 Casement 38 You can see the Laminate glass carries the better rating. Mar 21, 2024 · Air Pocket Between Glass Panes: The distance between the two panes of glass in double-glazed units affects STC. 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. Similarly, a ½” sheet of laminated glass has an STC rating of 38. For example, acoustic glass will have the highest STC rating but can be very expensive and challenging to source. 87dB. Here we introduce a simple formula to calculate the glass STC-sound transmission class. 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. Rochester: 585-213-5066 Buffalo: 716-402-1640 At 3/8 inches in thickness, it has an STC rating of 34. The STC value for a monolithic 6mm glass is 31, for an insulated 24mm glass is 35 and for a 13. The STC ratings allow accurate 'apple to apple' comparisons. Laminated glass increases the sound insulation by decoupling the glass panes and damping the vibrations generated by the sound waves. These windows have multiple glass and air pockets layers that effectively block sound waves. As you can see, 1” dual-pane glass has the same STC rating as a single pane of acoustic glass. Double-pane windows have an STC rating between 26-32. To put things into perspective, the Sep 17, 2023 · Objectively, the best door for soundproofing is a customized acoustic door. SonicGuard™ performs its best when installed in a high-performance frame that is capable of dampening sound transmission. Understanding STC A clear single glazed window has an STC of around 25, and a standard clear double glazed window will be around 33-35. 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. The STC rating scale indicates how much sound is inhibited, the higher the number the better the window does at blocking sound. How SoundPro works. However, other factors like the number of panes and air gaps also have an impact on these ratings. The combination of thicker glass and laminated lites containing acoustic grade polyvinyl butyral (PVB) further improves the sound reduction performance. STC RATINGS EXPLAINED. 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. Consider your desired level of noise reduction and choose glass with a suitable STC rating for your needs. Laminated and Double-Glaze Glass Combinations: Combining laminated and double-glazed glass is best for ideal soundproofing. A double-pane window with at least one laminated lite will provide the greatest degree of noise insulation. Laminated Glass Applications Graph 1 shows the sound transmission loss of glass across a low to high frequency range, comparing ordinary laminated and Acousta™ laminated glass. The same applies to soundproof windows with double laminated panes rated at an STC of 42; they drop to 33 on the OITC scale. Created by sandwiching various interlayers in between two glass lites, this special adhesive adds strength and blocks soundwaves. 24 mm) 1/8" 0. Mid Range STC 36 - 42. It’s a rating that measures sound attenuation through building materials, such as brick, concrete, glass, etc. However, these aren’t always practical because they include frames, insulation, and other factors to achieve high STC ratings. 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. When planning glass wall systems, here’s a rough guide to how well each STC rating will block sound: · 25 – you can hear talking through the glass. Laminated glass not only reduces noise but also adds an extra layer of security and UV protection, making it a versatile choice for While toughened, wired or patterned glass behaves acoustically the same as standard float glass, laminated glass reduces sound due to the vibration-dampening effect of the interlayer in-between. When using monolithic glass, increasing the glass thickness can help. UPDATED; TD-138 - Heat Treated Glass for Architectural Typical dual glazed windows can achieve better ratings of 25-27. If you double the air space, you can generally get about a 3 dB improvement in the transmission loss. 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. Both achieve an STC rating of 40, but higher ratings require a combination. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. Laminated glass provides security for both homes and businesses. Dec 22, 2022 · Laminated glass can increase an STC rating when cost and thermal insulation aren’t concerns. The STC ratings of soundproof windows touch at least 45, with some climbing as high as the mid-50s. This involves balancing STC ratings, availability, and budget. 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. 7-mm glass, an exterior laminate layer sandwiched with 2. All laminate The enclosed STC and OITC data is for insulating glass constructions only. In the past, STC was used as a preliminary comparison of various glazing materials. Factors That Affect Your Glass STC Rating The performance data below applies to laminated glass units constructed with two plies of glass and an interlayer. Laminated glass is the best option to increase the STC rating of windows and doors, with values up to STC37 readily available, and up to STC45 available as bespoke options. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 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 STC Example : ¼” Monolithic glass has an STC of ~31dB. 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. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. The combination of a laminated glass assembled in an insulated unit will maximize the results in reducing sound transmission. Both STC and OITC ratings inform your window or door selection based on sound insulation For example, if an 80 dB sound on one side of a wall/floor/ceiling is reduced to 50 dB on the other side, that partition is said to have a STC of 30 dB. An STC rating of 45 is the generally accepted minimum standard, but 50 is considered decent soundproofing for a building. At 1/4 inch thickness, it has an STC rating of 31. Laminated windows have an STC rating as high as 40 or more. Acrylic window inserts rate 42. 7-mm glass, and a storm window that is also laminate sandwiched with 2. Jul 5, 2023 · Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. The standard IGU has 1/8” x 1/8” glass on each side. OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. In both laminated and double-glazed glass, the STC rating is 40, but anything higher calls for a combination of both. The best performances can be May 22, 2022 · It is comprised of three layers bonded together. Aug 6, 2023 · As you can see, an increase in thickness translates to an increase of STC and OITC ratings. For simplification, we have segmented NanaWall sound-rated opening glass wall solutions into three categories. Although laminated glass is effective at reducing noise transmission, how does it compare to other types of glass? Apr 8, 2024 · Laminated Glass. When combined with a hermetically-sealed IG unit, the acoustical benefits to your windows Nov 6, 2024 · Composition: The material used to make the glass will affect how much mass it has and how well it blocks sound. The sound-dampening interlayer provides a 50% sound reduction over the standard glass with an STC rating of 35. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Glass 2 4-3/4" (120. . May 30, 2024 · STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing Jan 18, 2022 · STC Ratings Updated : 01/18/2022 by K. Keep in mind that the presence of glass will also affect how soundproof a door is. 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. 5)+13=28. 3-mm glass. Top Down; Pivot & Sliders Same Elevations Sep 22, 2020 · STC ratings allow you to compare the soundproofing abilities of windows fairly. Remember if it’s airplane noise you’re concerned about most of that noise is probably coming through the roof and ceiling. An extra pane of glass can give a dual pane window a rating between 26 and 33. Glass size and glazing system will affect STC rating. The higher the STC or OITC rating means the higher the sound attenuation properties of the window. 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. 03. STC ratings are used for windows, doors, walls and most building materials. 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. The STC is from the combination of the double pane window a laminated insert and the sound gap between it. While its hurricane impact windows are some of the best in Florida, the only limitation is that the company is currently limited to the Clearwater area. On the other hand, double glazing is readily available. 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. For instance, in residential buildings located in noisy urban environments, selecting glass with a higher STC rating can significantly improve occupant comfort by reducing May 22, 2022 · The best sound reducing windows have dissimilar laminated plates with a wider air gap between the glazing. Aug 10, 2021 · Glass . A higher STC rating indicates a greater sound dampening effect. For instance, laminated glass — usually some kind of plastic sandwiched between layers of glass — will outperform standard monolith glass by 2-4 STC points. *OITC is estimated based on this test. The wood window features a hidden jambliner so that no vinyl parts are visible. 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. Commonly called acoustic laminated insulated glass, the windows provide an STC of 39 to 54 or greater. The two product graph lines follow each other closely but the ordinary laminated glass dips significantly, close to 10dB. ES Windows Laminated glass increases the STC rating of a window, diminishing unwanted outside noises. I upgraded street-facing windows to Milgard Tuscany dual-pane with laminated glass on inner side. 1/8" 35 35 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 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. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 laminated glass n n 5/2011 S. 715-842-5666. See additional notes below data for specific Jan 26, 2024 · Sound Transmission Class (STC) rating: The STC rating measures the soundproofing performance of a material, including glass. Now I barely hear anything from the street. -114• glass) with an STC rating of 34. STC ratings are used for windows doors, walls & most building materials. ) based on its ability to reduce sound coming through it. Glass meets the requirement of ASTM C 1172 Standard Specification for Laminated Architectural Flat Glass and the safety criteria of CPSC 16 CFR 1201, Category II; and ANSI Z97. High Range STC 43 - 45. Air Space Between Panes: The gap between panes matters. 030 P. Instead, the best interior door for standard applications would be a honeycomb door or a laminated or solid core door. Noise reduction is best achieved with soundproof glass with STC rating of 45 to 50 or higher. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. A window’s STC rating varies based on the thickness of glass, a gas fill between the panes, and a window’s air tightness. Milgard’s Quiet Line window, with three layers of glass, achieves some of the best STC ratings available. He has taught me more than I can remember. 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. For windows, STC ratings range from 18 to 38. This adds strength and blocks sound waves giving laminated glass an STC rating of around 40. The final STC/OITC rating Sep 20, 2020 · A pro’s guide to the importance of sound control and glazing strategies to control unwanted noise on a project. Our glass God Oberon would be my choice with WOW to answer anything 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. Increasing glass thickness is the most important measurement. 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. Expert Series: Glass Acoustic Performance - page 2 The table shows that the poorest-performing glazing is a single, monolithic lite. These windows are also eco-friendly and come with Low-E glass and Duraseal spacers. This type of glass incorporates a layer of laminate between two sheets of glass, enhancing its sound-dampening properties. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. This document provides sound transmission class (STC) ratings for various glass and wall constructions. The laminated glass units are constructed Sep 25, 2008 · Hello all anyone know the approximate STC rating of 1/2" laminated glass? Get INSTANT ACCESS to the world's best private pro audio Classifieds for only USD $20 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. Generally, glass will reduce a door’s ability to block noise, though if you search for a soundproof or laminated glass, you can find options designed to increase the door’s ratings for noise resistance. The higher the STC rating, the better the soundproofing. All data A higher STC rating indicates a greater sound dampening effect. 13/16" overall - 1/2" glass, . The STC and ISO RW values indicate the acoustical performance ratings, with higher numbers indicating better sound Acoustic Insulation Calculator for Every Glass Type | AIS Glass Feb 18, 2022 · Laminated glass would likely be the best option for this application. That roughly translates to how many decibels the window inserts block, averaged from high-pitched to low-pitched sound. Compared to single-pane windows STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Glass 2 4-3/4" (120. 030” PVB Interlayer 1/ 8 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. Sep 8, 2023 · This is primarily thanks to the air gap, which is a great acoustic insulator. 24 Page 1 of 7 E413-87 in an acoustica l wall. Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. The combination of thicker glass and laminated lites containing acoustic grade polyvinyl butyral (PVB) The laminated glass helps reduce sound more effectively than non-laminated dual-pane glass. Virginia Glass Products has the glass options to be able to meet virtually design criteria including high performance laminated glass to achieve best in class STC ratings. The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. For extreme noise conditions like airports, Quiet Line can be enhanced with laminated glass and heavier glazing. Monolithic glass Formula: R=13. 5lg(M1+M2)+13+R1 R:laminated glass STC M1,M2:Glass panel density Laminated glass is a proven, effective solution for acoustical protection. Acoustical Guide – Determining Minimum STC Rating Figure 1. * Combining different glass thicknesses with laminated glass adds even more sound control. SoundPro calculates glass usage by performance or glazing configuration. 70 60 --STC38 May 22, 2022 · A 1/4″ pane of glass with an STC of 31, has an OITC rating of 29, and a double 1/4″ pane window with 1/2″ of air between drops from an STC 0f 38 to an OITC of 34. See in this video how laminated glass is made: method for rating sound attenuation characteristics of glass products and window assemblies. Jun 16, 2023 · Laminated glass can have STC ratings of 40 or more. I think the STC of an indow can get up to 42. At 1/8 inch thickness, it has an STC rating of 30. Explore noise reducing windows and doors from Pella. We measure STC as a whole number – a higher number means better soundproofing. Laminated glass can also increase STC rating. 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 cost, however, may be prohibitive. 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 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. In order to choose the best product, it is important to first determine what the optimum level of acoustical buffering is required for your space. By integrating laminated glass in your design, that glass pane in itself will contribute to 4 points gain on your results. Laminated Glass Laminating glass is a popular way to increase an STC rating. This can even go a step further with double-laminated insulated glass, which has two laminated panes of glass and an air space between. Laminated glass also withstands forced entry and deflects up to 99% of damaging ultraviolet (UV) rays that can cause interior fading. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. May 22, 2022 · The best sound reducing windows have dissimilar laminated plates with a wider air gap between the glazing. More mass helps when it comes to low frequency noise and acrylic is half the density of glass so you'd need twice the thickness to have the same mass. Sep 10, 2023 · We use it for anything from drywall and brick to glass and plastic – anything that can be considered a building material. 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. Determine the glazing system that has the best noise reduction properties. Glass thickness. 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. It Feb 10, 2014 · Typically a window with laminated glass will give you the best STC rating in a normal residential type window. 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. 2. V. an insulated glass unit paired with Vitrum’s other glass products. 1. Aug 21, 2024 · Single-pane windows can have an STC rating around 25. Types of Acoustic Glass Laminated Acoustic Glass 400 Series Frenchwood® Hinged Patio Door Hardware (Trim Set) Exploded View Factors that affect glass STC. Sep 23, 2008 · The Sterling series of double-hung windows can achieve STC ratings of up to 39 with an interior lite of 4. values of insulating glass constructions. 5lgM+13 R:Monolithic glass STC M:Glass density. When using laminated glass, you can increase the glass thickness or use different glass thicknesses for individual glass lites. Laminated glass is another excellent option for soundproof windows. Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. STC ratings are the ONLY way to accurately compare various noise reduction products. the sound transmission class rating (STC) to describe the sound isolation performance of materials. 1, Class A NOT fire-rated STC stands for Sound Transmittance Control and its the standardized way of measuring the sound deadening properties of building materials. This is why INFINIUM’s Refine and Quantum Double-Glazed wall systems offer the highest STC 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. 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. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. 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 is used to measure the sound transmission loss of interior walls, ceilings and floors. The higher the STC rating- the better the sound control. mcyjlu qkzjz ohwha ctai ugfch aocu blnzt oqei pgxgj gynqvmdd jthoq agtp rysjlqq gpuqioq xjuji