Laminated glass stc rating calculator STC is used to measure the sound transmission loss of interior walls, ceilings and floors. Acoustic glass is always laminated glass. glass@nichollsandclarke. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports that demonstrate the advantages of high-performance glass in building facades. Laminated glass increases the sound insulation by decoupling the glass panes and damping the vibrations generated by the sound waves. 7 mm) 1/2" laminate 4", Air 1/4 STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Laminated- sulating Glass 2 4-3/4" (120. STC ratings provide valuable information for homeowners by offering them better insight into the the center of glass with no spacer system or framing. How SoundPro works. . 5 software, NFRC 100 – 2010 conditions have been used. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. Increasing glass thickness is the most important measurement. *OITC is estimated based on this test. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. When planning glass wall systems, here’s a Laminated IG (laminated glass toward interior) Double-laminated IG (various) Reports are generated in Eastman format and serve as guidance only. All performance data is calculated using LBNL Window 7. If you double the air space, you can generally get about a 3 dB improvement in the transmission loss. Costing more than other materials, this is used mainly for exterior applications. 2 L aminated Glass is a multifunctional glazing material that can be used in a variety of applications. 11F P. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. This provides a strong barrier against forced entry and cannot be cut from one side only, which renders glass cutters useless. See additional notes below data for specific Location 6601 NE 112th Court Vancouver, WA 98662. Laminated Glass Applications Laminated glass stc rating calculator SOUNDPROOFING INFORMATION 1 - Low-e coatings do not affect Laminated SGG - No Air Gap Laminated Insulated Glass Unit - SGG w/ Air Gap Fire Rated SGG CALCULATOR 26. SoundPro calculates glass usage by performance or glazing configuration. Glass size and glazing system will affect STC rating. Welcome to our interactive glass selector tool where you can find glass that meets your performance requirements. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. Shop premium glass products. (for more information on STC see ASTM E90 and ASTM E413) OITC - Outdoor-Indoor Transmission Class Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. A large amount of glazing configurations means the perfect glass can be yours. Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. 7 mm) 1/2" laminate 4", Air 1/4 The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. New feature available in Calumen® Glass Calculator the center of glass with no spacer system or framing. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. Glass siz e and glazing system will a˜ect STC rating. 8 operated by Lawrence Berkeley National Laboratory (LBNL) using International Glazing Database (IGDB) v102. 1/8" 35 35 The STC rating of a single lite can range from the high 20s to the mid-30s, with its score increasing with the thickness of the glass. The performance data below applies to laminated glass units constructed with two plies of glass and an interlayer. Jun 16, 2023 · Laminated Glass: Laminated glass consists of multiple layers of glass with an interlayer, usually made of polyvinyl butyral (PVB). 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. Additional advantages of laminated glass include: Figure 1: shattered laminated glass • In thicker, multi-layer forms, laminated glass can be blast and bullet resistant. STC Example : ¼” Monolithic glass has an STC of ~31dB. Performance targets are selected based on acoustic ratings, and results are revealed immediately. 4mm Laminated Safety Glass 32 dB 31 dB 29 dB 6. To get started, input your required performance data below. Both STC and OITC ratings inform your window or door selection based on sound insulation Some STC ratings of common window assemblies are listed below. 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. All performance data is determined using LBL window 7. 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. The monlithic glass is one lite of glass. That’s where the STC rating comes into play. 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. The higher the STC or OITC rating means the higher the sound attenuation properties of the window. 8mm Acoustic Laminated 37 dB 36 dB 33 dB 10. txt) or read online for free. The STC ratings for windows and glass can range from 18 to 65, depending on the type and thickness of the glass. Laminated glass increases the STC rating of a window and diminishes unwanted outside noises. Laminated glass provides higher mechanical resistance and security benefits. Not all walls are the same, especially in terms of composition and material. 5*lg(6*2. It has a simplified user interface that allows the selection of single number acoustic ratings or the configuration of common glass constructions. Beyond the type of windows you select, other factors can affect the STC rating of your glass. Therefore, laminated safety glass produced with PVB interlayer provides excel-lent protection against, for example, the effects of vandal-ism, hurricanes or explosions. 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 transmission class rating (STC) to describe the sound isolation performance of materials. 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. As a result, two glass sheets laminated together using This calculator makes it easy for you to perform preliminary assessments of the Wind Load resistance of single glazed, annealed (not heat treated) window glass, with various edge support conditions, according to the ASTM E 1300 standard. Enhance your digital specifications with our customised BIM files designed for specific glazing applications. Sound-Control PVB films offer outstanding sound attenuation properties, achieving improvements in sound insulation Trosifol® SC Monolayer & Multilayer Double-glazed glass can also achieve an STC rating of up to 40. Dec 31, 2024 · Gaps or weaknesses in the frame can compromise the STC rating. Read more about the tools below 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. Its composition helps to reduce sound vibrations, improves STC ratings, and often is used in durable products, like windshields. In general, a higher STC rating blocks more noise from transmitting through a partition. It is the user’s responsibility to 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). 5)+13=28. 2. The ASTC rating of the complete building system and the STC and Flanking STC ratings of the separating and flanking assemblies are displayed at the top of the page. 0 is part of Guardian Plus, a business support programme for the glass and glazing industry within the UK and Ireland, that offers online support ranging from (instant) responses to technical enquiries to in-house or external training in glass and glass-related topics. Acoustical Guide – Determining Minimum STC Rating Figure 1. Heat-strengthened and tempered glass can be incorporated into laminated glass units to further strengthen the impact resistance. Sound Transmission Class ratings. 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. STC 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 1/4” (6mm) monolithic glass has an STC rating of 31 1/8” x . TD-136 - Recycled Glass Use An explanation of Vitro Glass's use of recycled glass. Use the tabs underneath the results to navigate to the detailed assembly descriptions and to change the assemblies according to your needs. Laminated products: The Performance Calculator allows the user to model a wide variety of laminated glass makeups using different float glass substrates, coatings and interlayer material, including those makeups where the coating faces the interlayer. Tempered glass stc rating. 8mm Acoustic Laminated 38 dB 37 dB 36 dB STC rating (Sound Transmission Class rating) is a score given to a building’s surface (wall, ceiling, window, etc. But laminated glass is different. Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. Energy + Comfort Calculator. 030 P. pdf), Text File (. 7 mm) 1/2" laminate 4", Air 1/4 Typical dual glazed windows can achieve better ratings of 25-27. • Laminated glass can be drilled, cut and otherwise modified in the shop or field, increasing fabrication E413-87 in an ac oust ical wall. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. The STC and ISO RW values indicate the acoustical performance ratings, with higher numbers indicating better sound plastic layer and remain largely intact, reducing the risk of injury. A barrier’s OITC rating is measured using data gathered over an 80 to 4000 hertz frequency range. 24 Page 1 of 7 A leader in tools for the glass industry. Laminated and double-glazed glass both hold STC ratings of 40, but anything higher typically calls for a combination of the two. 87dB. 76mm thick QS sound reduction interlayer. Sign in with your username and password. Laminated & Double-Glazed Glass. Dec 22, 2022 · Standard walls in most homes are 33 STC, while studio-level soundproofing requires a rating of at least 45. OITC* Frequency (Hz) Laminated Glass Construction. Laminated glass with an air pocket is often recommended for better soundproofing. B. 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. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Laminated- sulating Glass 2 4-3/4" (120. Laminated glass is very effective in reducing the transmission of noise through glazing as it has a higher sound reduction index than monolithic glass (of equal thickness), particularly between 125Hz and 4000Hz. 0 This guide provides an introductory overview of glass concepts and terminology, plus STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Laminated- sulating Glass 2 4-3/4" (120. 1. 3 software and represents center of glass performance data. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000. It can be made from a wide range of materials, but acoustic laminated glass only uses polyvinyl butyral (PVB). When combined with a hermetically-sealed IG unit, the acoustical benefits to your windows -114• glass) with an STC rating of 34. Laminated glass Formula: R+13. Username. As mentioned, it May 30, 2024 · STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. This software is an online glass performance calculator that can be used for evaluating laminated glass configurations for sound damping properties. A mid-30s score might seem low, but it’s suitable for office spaces lacking all-glass construction. The values given are centre of glass values. Tested 5 Glazing System; STC. 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. See in this video how laminated glass is made: Sound Attenuation Batt Insulation Product Data Sheet Description Acoustic Comparison of Cavity Insulation Types Sound Attenuation Batts (SAB’s) Gypsum Board Insulation Type Test Number STC are unfaced, lightweight, fl exible One layer each side. OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. UPDATED; TD-138 - Heat Treated Glass for Architectural Cardinal's laminated glass offers sound dampening, reducing audio decibel levels in high-noise areas. 13/16" overall - 1/2" glass, . 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 Laminated Glass Laminating glass is a popular way to increase an STC rating. STC rating goes from 25 – 65. For instance, in residential buildings located in noisy urban environments, selecting glass with a higher STC rating can significantly improve occupant comfort by reducing QINGDAOMORNBUILDINGMATERIALSCO. Jan 2, 2025 · Tempered Glass vs. Laminated Glass Construction STC OITC 100 125 160 200 250 315 400 Aug 11, 2015 · The new Acoustic Calculator 2. Monolithic glass Formula: R=13. ) based on its ability to reduce sound coming through it. Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. OITC has replaced STC for comparing glazing materials. Read more about the tools below insulating glass units. Seals and Gasketing: Even the highest-rated door will perform poorly without effective Generally, yes. The two product graph lines follow each other closely but the ordinary laminated glass dips significantly, close to 10dB. Sep 8, 2023 · Normal laminated glass contains a non-glass layer sandwiched between 2 panes. 5lgM+13 R:Monolithic glass STC M:Glass density. 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 rating may only be assigned to specimens tested in a laboratory setting. V. 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. 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. Laminated glass fabricated with PVB and SGP will meet safety glazing requirements and will remain in the opening if breakage should occur. info. STC. 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 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. If your target STC rating is 39, then you will likely need to increase the air space to 2". The tables below include a selection of the most common colors available. 030” PVB Interlayer 1/ 8 A leader in tools for the glass industry. Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. Laminated glass can increase an STC rating when cost and thermal insulation aren’t concerns. 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. 5 fi berglass insulation batts, ⁄8" None TL-92-618 38 5 designed to deliver noise control ⁄8" Glass fi ber TL-93-325 49 5 in metal stud wall Glass Performance Data Values are center of glass calculated using LBNL Window 7 per NFRC100 conditions. The STC value for a monolithic 6mm glass is 31, for an insulated 24mm glass is 35 and for a 13. 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. It’s a clear resin that is tough and flexible and, helpfully, offers good acoustic properties. As discussed in Section 2, STC ratings and the Rw for most glass configurations are equal. Glass Kits: If your door includes glass panels, the type and thickness of the glass will affect the STC rating. Jul 5, 2023 · Thinner glass has a low STC rating because sound travels through it easily. This thermal and optical performance data simulation tool utilizes the industry accepted software, Window7. 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. 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. Laminated Glass. The attached STC and OITC data is for glass only and that the final STC rating of the window assembly could vary because of the influence of the acoustical performance of the framing members and the construction of the window assembly. 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. Laminated glass can have STC ratings of 40 or more. 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. 5lg(M1+M2)+13+R1 R:laminated glass STC M1,M2:Glass panel density Search for suitable solutions based on glazing parameters and acoustic requirements. STC ratings are used for windows doors, walls & most building materials. Oct 21, 2023 · If you are unsure of what rating would work for your project, there are some standards you can go by in helping you to determine your target range. However, standard PVB is a soft polymer that starts to creep under long-term loads. shear forces) due to the glass sheets. The Energy Savings view provides savings as overall percentages based on a 15% window-to-wall ratio and comparing the selected insulating glass configurations to 2 pane clear glass insulating glass units. 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 STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing 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. A detailed discussion of the methodologies and supporting analytical rationale are provided in Section 4. If laminated glass is broken, the vinyl interlayer remains in the frame, with glass fragments adhering to the interlayer. Laminated Glass: Understanding the Key Differences and Choosing the Right Glass for Your Needs. The Comfort Analysis view allows you to vary the window sizes on the wall, to best match your home design. 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. 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. com 0845 6051350 Single Glass Rw Rw+C Rw+Ctr 6. It is the user’s responsibility to Technical Glass Guide Update 6/15/21 – Version 3. 03. Jul 31, 2022 · Constructed with laminated or insulated glass, their soundproofing improves, and STC ratings range from 28 to 60+. The combination of thicker glass and laminated lites containing acoustic grade polyvinyl butyral (PVB) E413-87 in an acoustica l wall. STC is highly dependant on the construction of the partition. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. Here we introduce a simple formula to calculate the glass STC-sound transmission class. 29W b D3s trcQ C6 MKETIG@ 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. Acoustic Doors Designed specifically for soundproofing, acoustic doors have the highest STC ratings (40 to 70+). We would like to show you a description here but the site won’t allow us. Password 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. ,LTD YourturnkeyChinatemperedglass/laminatedglass/insulatedglasssupplier Add: Rom A3 04,S he ngx ifu ad N O. 52mm laminated glass is 39. 8mm Laminated Safety Glass 33 dB 31 dB 29 dB 10. Laminated glass provides security for both homes and businesses. The soundproofing rating for most standard homes is 33 STC, while soundproofing for studios must be at least 45 STC. The OITC/STC ratings improve with the addition of more lites, sealed airspaces, and laminated lites. laminated glass is considered “safety glass” because it meets the requirements of the various code organizations that set standards for safety. The Strength Lab AI-Tool is believed to give adequate estimates of acoustic properties of laminated glass based upon best engineering judgment and practices, but NO claims are made as to the accuracy of the results obtained. Read more about the tools below 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. LoĒ Jan 20, 2022 · What Is an STC Rating? The STC rating for walls refers to the “sound transmission class” of your foundation. For monolithic, laminated or insulating glass unit performance data, please go to SystemSelect ™, our on-line glass performance calculator. *OITC is estimate d base d on this test. All data laminated glass n n 5/2011 S. Tempered glass, while stronger, shatters under a greater impact. Example:6mm clear tempered glass STC=13. 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. 8mm Acoustic Laminated 35 dB 34 dB 32 dB 8. with a lot of glass which must achieve a specific STC rating. This ‘dip’ means more noise is let through at these frequencies the center of glass with no spacer system or framing. Glass size and glazing system will affect STC rating. 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) 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. A leader in tools for the glass industry. Sound Transmission Expert Series: Glass Acoustic Performance - page 2 The table shows that the poorest-performing glazing is a single, monolithic lite. * to provide conservative estimates of required STC or Rw ratings to be used by the building designer as a planning tool for window glazing. A higher STC rating indicates a greater sound dampening effect. 76 33 8. The Natio Jul 9, 2018 · CMS Glass Technology has consolidated its presence in the laminated glass sector, distinguishing itself for its innovation and the development of advanced solutions. 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. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. 24 mm) 1/8" 0. Your go-to portal for discovering the perfect glazing solutions, tailored to your requirements. It is the user’s responsibility to This document provides sound transmission class (STC) ratings for various glass and wall constructions. Call: (360) 334-4107 How to Calculate the Glass STC - Free download as PDF File (. The higher the STC rating, the more sound will be dampened. 70 60 --STC38 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. 8mm Laminated Safety Glass 34 dB 33 dB 31 dB 6. Sound Reduction: Most exterior noise finds its way inside by taking the path of least resistance, typically through any window glass. The insulating glass units are constructed with two plies of glass and an airspace. The laminated glass units are constructed Graph 1 shows the sound transmission loss of glass across a low to high frequency range, comparing ordinary laminated and Acousta™ laminated glass. May 14, 2021 · Acoustic Glass Performance Calculator provided by AGC, Guardian, Kuraray, Saflex, SGG and Viracon, to get desired RW/STC/OITC Value.
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