Stc rating of laminated glass. *OITC is estimated based on this test.
- Stc rating of laminated glass Laminated glass is stronger and blocks UV light, but tempered glass is much cheaper. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. 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. When combined with a hermetically-sealed IG unit, the acoustical benefits to your windows STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Laminated- sulating Glass 2 4-3/4" (120. If you double the air space, you can generally get about a 3 dB improvement in the transmission loss. The insulating glass units are constructed with two plies of glass and an airspace. STC rating of 38-42 is considered good soundproofing for residential. Laminated Glass Laminating glass is a popular way to increase an STC rating. A rating of 40 is the minimum for conversation privacy, and many building codes now require a rating of 50 to 55. -114• glass) with an STC rating of 34. 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 STC stands for Sound Transmittance Control and its the standardized way of measuring the sound deadening properties of building materials. Dec 31, 2024 · Gaps or weaknesses in the frame can compromise the STC rating. * 1/4” (6mm) monolithic glass has an STC rating of 31 1/8” x . STC ratings are used for windows doors, walls & most building materials. Acoustic Properties of Laminated Glass. 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. A small 3. • SL80/81 has an STC rating of 38 when using double insulated laminated STC 38 glass, and a rating of 45 when using double laminated STC 45 glass. STC Mar 22, 2024 · 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. Created Date: 8/13/2012 8:52:06 AM The laminated glass helps reduce sound more effectively than non-laminated dual-pane glass. 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 sound-dampening interlayer provides a 50% sound reduction over the standard glass with an STC rating of 35. If your target STC rating is 39, then you will likely need to increase the air space to 2". Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. Laminated Glass Applications Sep 10, 2023 · STC stands for Sound Transmission Class. OITC has replaced STC for comparing glazing materials. Aug 21, 2024 · Single-pane windows can have an STC rating around 25. Capabilities [+] [-] Sound Control Capabilities Laminated Glass: Sound Transmission Loss to provide conservative estimates of required STC or Rw ratings to be used by the building designer as a planning tool for window glazing. 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. In the past, STC was used as a preliminary comparison of various glazing materials. Glass Acoustic Data Rw values Float mm Rw 3 , 4 30 5 , 6 31 8 34 10 35 12 37 19 39 • Custom laminated panels use a 0. Outdoor-Indoor Transmission Class (OITC) – applicable to exterior walls (including doors and windows) where the 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. Laminated glass increases the STC rating of a window, diminishing unwanted outside noises. 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. 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. 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. Now I barely hear anything from the street. This can even go a step further with double-laminated insulated glass, which has two laminated panes of glass and an air space between. 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. The order of sound insulation performance from poor to excellent is: monolithic glass < laminated glass 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 ins 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. Types of Acoustic Glass Laminated Acoustic Glass Combining different glass thicknesses with laminated glass adds even more sound control. 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 the installation. 7 mm) 1/2" laminate 4", Air 1/4" laminate For a typical single pane window you can expect a STC Rating of 18-20. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time 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. V. 030 / 1/ 8 ] 34 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. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. 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 E413-87 in an acoustica l wall. Feb 10, 2014 · An easy way to get a better stc rated window is to add dissimilar glass. Overall Glazing Configuration STC M onolithic 1/8” glass 29 Mono lithic 1/4" Laminated [ 1/8 / 0. 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. 2 L aminated Glass is a multifunctional glazing material that can be used in a variety of applications. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. 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. Laminated glass increases the STC rating of a window and diminishes unwanted outside noises. Additional advantages of laminated glass include: Figure 1: shattered laminated glass 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. In addition, using lites of glass of differing 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. B. Laminated & Double-Glazed Glass. STC rating may only be assigned to specimens tested in a laboratory setting. 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. glass constructions only. • WD66 with STC Jan 28, 2025 · However, it is important to note that different glass options, as well as the use of combination units, may affect the sound abatement performance of the unit. Similarly, a ½” sheet of laminated glass has an STC rating of 38. See in this video how laminated glass is made: 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. Increasing glass thickness is the most important measurement. Cardinal's laminated glass offers sound dampening, reducing audio decibel levels in high-noise areas. STC is highly dependant on the construction of the partition. The higher the STC rating- the better the sound control. Save as PDF 800 Park Drive , Owatonna , MN 55060 US | (800) 533-2080 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. Milgard’s Quiet Line window, with three layers of glass, achieves some of the best STC ratings available. 0 / 5. Jan 28, 2024 · If you use laminated glass, then the STC rating will go up to 35 or more, which is definitely an improvement. STC. 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. Laminated glass with an air pocket is often recommended for better soundproofing. 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 In both laminated and double-glazed glass, the STC rating is 40, but anything higher calls for a combination of both. Compared to single-pane windows the sound transmission class rating (STC) to describe the sound isolation performance of materials. Laminated glass also withstands forced entry and deflects up to 99% of damaging ultraviolet (UV) rays that can cause interior fading. Most laminated glass will have an STC rating of around 40. 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 clear resin that is tough and flexible and, helpfully, offers good acoustic properties. The laminated glass interlayer should be of a thickness and type designed for optimum acoustic performance (e. 76mm thick QS sound reduction interlayer. The laminated glass units are constructed 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. Custom glass available. A wider gap provides better sound insulation by minimizing direct sound transmission. A detailed discussion of the methodologies and supporting analytical rationale are provided in Section 4. Specify assemblies with vertical mullions or butt-joint glass-to-glass details. The American Society for Testing and Materials (ASTM) developed the sound transmission class rating (STC) to describe the sound isolation performance of materials. Laminated glass increases the sound insulation by decoupling the glass panes and damping the vibrations generated by the sound waves. Dec 22, 2022 · Laminated glass can increase an STC rating when cost and thermal insulation aren’t concerns. 03. Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. Both STC and OITC ratings inform your window or door selection based on sound insulation Things to note: STC rating of 25 is what can be easily heard. 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. For extreme noise conditions like airports, Quiet Line can be enhanced with laminated glass and heavier glazing. Acoustic glass is always laminated glass. 1, Class A NOT fire-rated Sep 2, 2023 · STC stands for Sound Transmission Class. Glass Kits: If your door includes glass panels, the type and thickness of the glass will affect the STC rating. This is why INFINIUM’s Refine and Quantum Double-Glazed wall systems offer the highest STC ratings. 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. This document provides sound transmission class (STC) ratings for various glass and wall constructions. It’s a rating used to quantify a material’s ability to block sound waves. UPDATED; TD-138 - Heat Treated Glass for Architectural The STC value for a monolithic 6mm glass is 31, for an insulated 24mm glass is 35 and for a 13. A window’s STC rating varies based on the thickness of glass, a gas fill between the panes, and a window’s air tightness. -1/4" (total 1/2" thick), 1/4"-0. Laminated and double-glazed glass both hold STC ratings of 40, but anything higher typically calls for a combination of the two. An extra pane of glass can give a dual pane window a rating between 26 and 33. Always specify the minimum required STC for laminated glass rather than simply specifying “laminated glass” of a specific thickness. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Laminated- sulating Glass 2 4-3/4" (120. Seals and Gasketing: Even the highest-rated door will perform poorly without effective Technical Glass Guide Update 6/15/21 – Version 3. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. Laminated glass is a proven, effective solution for acoustical protection. Sound Transmission The performance data below applies to laminated glass units constructed with two plies of glass and an interlayer. 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. of acoustic glass with high ratings. This means one pane of glass is thicker than the other. , Saflex Acoustic PVB). A higher STC rating indicates a greater sound dampening effect. Higher STC ratings mean better sound control. 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. STC RATINGS EXPLAINED. Glass siz e and glazing system will a˜ect STC rating. 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 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. *OITC is estimate d base d on this test. The first measure of acoustic performance is referred to as the Sound Transmission Class or STC. The combination of a laminated glass assembled in an insulated unit will maximize Some STC ratings of common window assemblies are listed below. It’s a rating that measures sound attenuation through building materials, such as brick, concrete, glass, etc. 8 Laminated 3/4" 33 27 KEY IG: Insulated Glass IGU: Insulated Glass Unit STC: Sound Transmission Class. Double-glazed glass can also achieve an STC rating of up to 40. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 STC Ratings Chart. The tested STC ratings were less than the manufacturer's published STC ratings. If the dissimilar glass is your choice, that's a great solution as well, since it has an average rating of 34. Jun 6, 2024 · Sound Transmission Class (STC) ratings are used to measure the effectiveness of acoustic glass in blocking sound. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing Sep 8, 2023 · Normal laminated glass contains a non-glass layer sandwiched between 2 panes. g. Finish Options May 30, 2024 · STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. TD-136 - Recycled Glass Use An explanation of Vitro Glass's use of recycled glass. A higher STC rating indicates a greater sound dampening effect. (for more information on STC see ASTM E90 and ASTM E413) OITC - Outdoor-Indoor Transmission Class laminated units are available for increased performance. 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. OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. It is a logarithmic scale and ranges from 18 to 50 for windows. higher STC ratings. In general, a higher STC rating blocks more noise from transmitting through a partition. Refers to a window manufactured by Soundproof Windows, Inc. Acoustical Guide – Determining Minimum STC Rating Figure 1. • SL60 with STC 38 laminated glass provides an overall STC of 36. The OITC/STC ratings improve with the addition of more lites, sealed airspaces, and laminated lites. This ‘dip’ means more noise is let through at these frequencies Mar 21, 2024 · Air Pocket Between Glass Panes: The distance between the two panes of glass in double-glazed units affects STC. 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 thickness. 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. Laminated glass provides security for both homes and businesses. As mentioned, it 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. May 22, 2022 · Tempered glass can also be used in these applications. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. 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. -1/8" (total 1/4" thick), 1/4"-0. Acoustic glass typically has an STC rating of 35-40, compared to standard glass which usually has an STC rating of 27-30. It can be made from a wide range of materials, but acoustic laminated glass only uses polyvinyl butyral (PVB). 17. Choose from clear and low-iron varieties of tempered or laminated glass in ¼” (6 mm), ⅜” (10 mm), or ½” (12 mm) thicknesses. OITC* Frequency (Hz) Laminated Glass Construction. 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. • WD65 with STC 38 laminated glass has an STC of 36. It’s actually 2 pieces of glass with a piece of plastic in the middle. Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. -1/8" (total 3/8" thick), 1/4"-0. 52mm laminated glass is 39. How to compare sound performance There are two common measures of sound performance that you’ll come across: STC and OITC. 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 Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. Laminated glass is like the windshield of your car. 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 • SL45 with STC 40 laminated glass has an STC of 36. 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. STC rating of 50-65 is professional, commercial soundproofing for recording studios, etc. Dec 22, 2022 · Laminated glass can increase an STC rating when cost and thermal insulation aren’t concerns. 7 mm) 1/2" laminate 4", Air 1/4" laminate Laminated- Insulating Glass 2 4-3/4" (120. We use it for anything from drywall and brick to glass and plastic – anything that can be considered a building material. 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. A common way to accomplish this is to use laminated glass. 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 The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. See additional notes below data for specific 13/16" overall - 1/2" glass, . 70 60 --STC38 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. Laminated glass can also increase STC rating. Jan 18, 2022 · STC Ratings Updated : 01/18/2022 by K. Glass size and glazing system will affect STC rating. 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. Refer to Table 2 for representative STC ratings. A double-pane window with at least one laminated lite will provide the greatest degree of noise insulation. 0 This guide provides an introductory overview of glass concepts and terminology, plus Factors that affect glass STC. Jan 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. 24 Page 1 of 7 insulating glass units. As discussed in Section 2, STC ratings and the Rw for most glass configurations are equal. STC Example : ¼” Monolithic glass has an STC of ~31dB. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. 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. The higher the STC rating, the better the soundproofing. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000. 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. The combination of thicker glass and laminated lites containing acoustic grade polyvinyl butyral (PVB) further improves the sound reduction performance. Oct 27, 2022 · กระจกลามิเนต (Laminated Glass) คือ กระจก 2 แผ่นขึ้นไป ประกับกัน ด้วยฟิล์มกาวตรงกลาง ซึ่ง ฟิล์มกาวที่นิยมใช้ จะใช้ฟิล์ม PVB (Polyvinyl Butyral) และในปัจจุบัน มีการคิดค้น three different glass configurations. 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. *OITC is estimated based on this test. Typical dual glazed windows can achieve better ratings of 25-27. Created by sandwiching various interlayers in between two glass lites, this special adhesive adds strength and blocks soundwaves. 030" P. Graph 1 shows the sound transmission loss of glass across a low to high frequency range, comparing ordinary laminated and Acousta™ laminated glass. Limit transfer of smoke with our non-rated, smoke partition. Costing more than other materials, this is used mainly for exterior applications. Higher ratings mean better sound I upgraded street-facing windows to Milgard Tuscany dual-pane with laminated glass on inner side. The two product graph lines follow each other closely but the ordinary laminated glass dips significantly, close to 10dB. Single Glazed 3/16” Laminated Glass 40 - 44 Single Glazed 1/8” Glass 31 - 37 Single Glazed No Storm Window 24 - 29 Prime Window Storm Window Glass STC Rating. Mar 3, 2023 · Laminated glass: 35-38: To find out the best windows and their glass STC rating chart, contact the best window company in Toronto such as Vinyl Light. 11F P. -1/2" (total 3/4" thick), panels caulked in place in single frame with wooden stops and glazing putty. The STC and ISO RW values indicate the acoustical performance ratings, with higher numbers indicating better sound laminated glass n n 5/2011 S. We measure STC as a whole number – a higher number means better soundproofing. urzu szp bpdx vmj ibesou kyepylyv aiivjh sth rnlf ndxqw ftmw ohxw dejhf azgdqze znmcn