Laminated glass stc ratings chart. *OITC is estimated based on this test.
- Laminated glass stc ratings chart It is important to note that the above listed glass performance will differ to that of a window assembly using these products. STC 30 if you live in an average area but want more privacy, STC 35 is the go to in louder areas, STC 37 if in a louder area and you want a luxury feel or you are pretty close to the airport or overlooking the freeway, STC 40+ is either you live in an area that is obnoxiously loud (seldom the case for single family housing) or you don't want to OA Glass 1 Glass 2 Acoustical Ratings - Ultra I C650 updated 04. 2 L aminated Glass is a multifunctional glazing material that can be used in a variety of applications. How SoundPro works. 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 1 laminated safety glass 1. Glass thickness,PVB interlayer,air space in insulated glass will increase the glass acoustic performance and sound transmission loss. • WD65 with STC 38 laminated glass has an STC of 36. Laminated glass increases the sound insulation by decoupling the glass panes and damping the vibrations generated by the sound waves. 1/4" laminated glass & wood stops . Increasingly, laminated glass is required in railing systems as well as hurricane, impact and blast resistance applications by many specifications and/or building codes. 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) Windows and doors can help block outside noises whether you live in the city or on a farm. A higher STC rating indicates a greater sound dampening effect. Description. Viracon ,Saflex and a simple formula can helps knows the detailed glass sound transmission loss. STC. Overall Glazing Thickness: Exterior Glass Thickness Noise reduction laminated glass (non-impact) O. The software is able to calculate the the acoustic insulation provided by a particular glass type and configuration. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. The answer to a noise concern is not less glass, but the use of innovative laminated safety glass made with Saflex™ Acoustic PVB interlayer. Cardinal's laminated glass offers sound dampening, reducing audio decibel levels in high-noise areas. 8mm Laminated Safety Glass 33 dB 31 dB 29 dB 10. 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. Glass siz e and glazing system will a˜ect STC rating. STC Jun 16, 2023 · Laminated Glass: Laminated glass consists of multiple layers of glass with an interlayer, usually made of polyvinyl butyral (PVB). Water Resistance: 4. The table below displays the average window STC rating chart as well as some range of noise levels that are audible at that rating: 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 Jan 18, 2022 · STC Ratings Updated : 01/18/2022 by K. 250: 7/8" 3. (cfm / ft 2 of frame @ 1. By changing the thickness of the glass the sound waves will have to modify to move through the glass. Insulating Laminated Glass Construction. The STC rating goes all the way up to 65. 38 36 6/12/8. In general, a higher STC rating blocks more noise from transmitting through a partition. Products with Impact-Resistant Laminated Glass. • 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. 4. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing 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. TD-138 - Heat Treated Glass for Architectural Glazing 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. 030" P. Annealed glass can be cut, machined, drilled, edged and polished. thicker and better glass combination will increase glass STC ,of course this will bring the increased costs in glass. 44 5. 7 mm) 1/2 Laminated glass is a proven, effective solution for acoustical protection. 76 , 13. Glass size and glazing system will affect STC rating. Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. Laminated 35 Decibels ©2024 Andersen Corporation. See additional notes below data for specific 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. 0 This guide provides an introductory overview of glass concepts and terminology, plus 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. com. The STC and ISO RW values indicate the acoustical performance ratings, with higher numbers indicating better sound to provide conservative estimates of required STC or Rw ratings to be used by the building designer as a planning tool for window glazing. VAT Number GB 544 939 018. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated 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 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. As a result, two glass sheets laminated together using three different glass configurations. See in this video how laminated glass is made: 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. 75 0. 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. Therefore, laminated safety glass produced with PVB interlayer provides excel-lent protection against, for example, the effects of vandal-ism, hurricanes or explosions. info. 250 7/8" 3. 57 psf wind pressure) 0. 34 3. To determine the specific STC ratings of glass and a of acoustic glass with high ratings. See generic STC and OITC ratings for different glass types and thicknesses. 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. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. glass@nichollsandclarke. There are different ways to improve the STC rating of windows. It’s actually 2 pieces of glass with a piece of plastic in the middle. Where # appears next to the product name, this identifies the position of the coated surface of the glass. 38 35 11. Window STC Rating Chart. Save as PDF 800 Park Drive , Owatonna , MN 55060 US | (800) 533-2080 Graph 1 shows the sound transmission loss of glass across a low to high frequency range, comparing ordinary laminated and Acousta™ laminated glass. The laminated glass helps reduce sound more effectively than non-laminated dual-pane glass. 31 3. When planning glass wall systems, here’s a Combining different glass thicknesses with laminated glass adds even more sound control. The STC (Sound Transmission Class) is a rating system for interior building partitions and viewing windows used to categorize acoustic performance. Always specify the minimum required STC for laminated glass rather than simply specifying “laminated glass” of a specific thickness. 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 Technical Glass Guide Update 6/15/21 – Version 3. OITC . Kolbe. All model building codes require that the glass used in certain locations, such as doors, sidelites, of glass concepts and terminology, including technical information on our glass products for both windows and doors. Call: (360) 334-4107 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. OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. • SL60 with STC 38 laminated glass provides an overall STC of 36. Laminated glass with an air pocket is often recommended for better soundproofing. 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. Seals and Gasketing: Even the highest-rated door will perform poorly without effective Air Pocket Between Glass Panes: The distance between the two panes of glass in double-glazed units affects STC. 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. 1. A common way to accomplish this is to use laminated glass. 76 33 8. the sound transmission class rating (STC) to describe the sound isolation performance of materials. 2 x 1/8" glass 2 x 3/16" glass 2 x 1/4" glass Thickness Weight Thickness Weight Thickness Weight Product # Description Test inches LBS/FT2 inches LBS/FT2 inches LBS/FT2 411000 Laminated glass Small 0. Argon fill is 90% STC Capability Chart. Winter and Summer U-Values are the only performance values available for spandrel glazing. STC RATINGS EXPLAINED. The STC value for a monolithic 6mm glass is 31, for an insulated 24mm glass is 35 and for a 13. The soundproofing rating for most standard homes is 33 STC, while soundproofing for studios must be at least 45 STC. 38 36 12. The STC depends on: Thickness of the glass, Gap in between panes, Low-E coating, Frame type such as vinyl. 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. Typical dual glazed windows can achieve better ratings of 25-27. Sound Transmission Class ratings. 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. When combined with a hermetically-sealed IG unit, the acoustical benefits to your windows laminated glass n n 5/2011 S. This STC rating does not apply to the installed storm door unit. 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 Feb 10, 2014 · An easy way to get a better stc rated window is to add dissimilar glass. Heavier glass and/or different glass thicknesses Saint-Gobain Glass (United Kingdom) Limited, registered in England, Company Number 2442570. -114• glass) with an STC rating of 34. Single-Pane 27 Decibels. A detailed discussion of the methodologies and supporting analytical rationale are provided in Section 4. STC . Laminated Glass Applications Double-glazed glass can also achieve an STC rating of up to 40. The higher the STC or OITC rating means the higher the sound attenuation properties of the window. Variations could affect the STC rating of the opening. 597. The tested STC ratings were less than the manufacturer's published STC ratings. The OITC (Outside-Inside Transmlssion Class) rating is used to classify acoustic performance of glazing in exterior E413-87 in an acoustica l wall. Glass surfaces are counted from the exterior face of the building. Laminated Glass. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. Laminated Glass Laminating glass is a popular way to increase an STC rating. SoundPro calculates glass usage by performance or glazing configuration. 060 PVB Missile 412000 Laminated glass Large 0. 76 40 Duo Plus™ IGU with Laminated PVB mm Rw 6/12/6. 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. . -1/8" (total 3/8" thick), 1/4"-0. May 22, 2022 · It is comprised of three layers bonded together. Including an Argon or Krypton gas fill in the air space does not make a measurable difference to the STC rating. Anything in high 30’s and 40’s “should” meet your goals. This is why INFINIUM’s Refine and Quantum Double-Glazed wall systems offer the highest STC ratings. Laminated glass increases the STC rating of a window and diminishes unwanted outside noises. 125 x 47. O: O. The performance data below applies to laminated glass units constructed with two plies of glass and an interlayer. 47 5. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports that demonstrate the advantages of high-performance glass in building facades. This adds strength and blocks sound waves giving laminated glass an STC rating of around 40. 1 introduction 1. 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. 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. Registered Office: Saint-Gobain House, East Leake, Loughborough, Leicestershire, LE12 6JU. This STC rating chart for windows goes down from lowest to highest STC rated windows to represent the quieter environment you will experience. Consult The values given are centre of glass values. g. Jan 28, 2024 · The average STC rating for a regular single pane window is 27. Oct 16, 2023 · LAM LAM acoustical ratings not available for this glass combination vertical slider 6210 6211 6230 6230J 6270 net 47" x 59" STC 28-33-->--> X 32 29 04/11/23 TL23-161 acoustical ratings not available for this glass combination TL23-110 X--> X 30 28 04/26/23--> X 33 28 12/12/22 TL22-247 TL22-246 acoustical ratings not available for this glass VT's Sound-Resistant STC Doors. 3 safety glass: tempered glass vs laminated glass 1. Refers to a window manufactured by Soundproof Windows, Inc. How to compare sound performance There are two common measures of sound performance that you’ll come across: STC and OITC. Tinted glass (Bronze, Gray A leader in tools for the glass industry. *OITC is estimate d base d on this test. 11F P. 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. VT Door Types . Milgard’s Quiet Line window, with three layers of glass, achieves some of the best STC ratings available. 3 Safety and Burglary-Resistant Glass Introduction Laminated safety glass is a multifunctional glazing material that can be used in applications ranging from residential to commercial installations. All data Mar 3, 2023 · Your STC rating is the result of your calculation. It is a logarithmic scale and ranges from 18 to 50 for windows. 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 Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. 090 PVB Missile 452000 Some STC ratings of common window assemblies are listed below. Noise is one of the single most common complaints at hotels, condos, and other commercial properties. 53 with . Jul 5, 2023 · Thinner glass has a low STC rating because sound travels through it easily. Heat-strengthened and tempered glass can be incorporated into laminated glass units to further strengthen the impact resistance. Overall . 9375mm 32: 26 Hurricane Shield Series The order of sound insulation performance from poor to excellent is: monolithic glass < laminated glass. • Laminated glass can be drilled, cut and otherwise modified in the shop or field, increasing fabrication 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. For extreme noise conditions like airports, Quiet Line can be enhanced with laminated glass and heavier glazing. Performance targets are selected based on acoustic ratings, and results are revealed immediately. 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. Laminated & Double-Glazed Glass. www. Rochester: (585) 294-4640 Buffalo: (716) 222-8657 higher STC ratings. Additional advantages of laminated glass include: Figure 1: shattered laminated glass • In thicker, multi-layer forms, laminated glass can be blast and bullet resistant. Costing more than other materials, this is used mainly for exterior applications. Refer to Table 2 for representative STC ratings. A Mon-Ray high performance storm with 3/16" or 1/4" laminated glass over a single pane window with single or double strength glass will have a combined STC of 40 to 43. 70 60 --STC38 When using insulating glass units, there are several options available, including increasing glass thickness; increasing the air space; evaluating different gas fills, spacers and sealant materials; and using different glass thicknesses for individual glass lites or a laminated component for one or both of the lites. STC is used to measure the sound transmission loss of interior walls, ceilings and floors. Off the charts! Further Educational Information for You! The higher the STC rating is in number, the better. What is a good STC rating for STC Rating. Double-Pane (insulating) 28 Decibels. This means one pane of glass is thicker than the other. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. See the chart, the computation method, and the laboratory test details. 38 0. Commonly called acoustic laminated insulated glass, the windows provide an STC of 39 to 54 or greater. STC: OITC: Rw: 1/4″ Structural Charts. 10: 0. 30 - 50 psf 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. For this reason, STC (Sound Transmission Class) ratings have become a primary consideration when choosing doors for large-scale projects. 38 40 May 29, 2024 · The higher the STC number, the better the glass keeps out unwanted noise. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. It can help architects, designers and manufacturers make a Float glass (also called “flat” glass) that has not been heat-strengthened or tempered is annealed glass. Two outer layers of glass surround the center layer of special adhesive. Glazing Thickness Feb 26, 2020 · It looks like Marvin is a storm window to get there numbers that high. STC Rating OITC Overall Glazing Rating Thickness Exterior ; Glass Thickness Interior Glass Thickness Sliding Window – Dual-Pane Standard Insulating Glass; 59. Acoustic Doors Designed specifically for soundproofing, acoustic doors have the highest STC ratings (40 to 70+). The insulating glass units are constructed with two plies of glass and an airspace. 175mm 3. We would like to show you a description here but the site won’t allow us. 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. WE STAND BEHIND OUR GLASS WinGuard® Aluminum products are backed by some of the best warranties in the industry, including: • A 10-year warranty on the frame and laminated glass unit • Limited lifetime warranty on the insulating glass unit Glass Performance Data Values are center of glass calculated using LBNL Window 7 per NFRC100 conditions. Dec 31, 2024 · Gaps or weaknesses in the frame can compromise the STC rating. Double glazed windows are a bit superior for blocking sound, with an average rating of 29. 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. 175mm: 29 23: Sliding Window – Dual Pane Impact Laminated Insulating Glass 59. , Saflex Acoustic PVB). Glass Type and Typical STC Value. Viracon's solar and optical performance data is center of glass data based on the National Fenestration Rating Council measurement standards, calculated using Lawrence Berkeley National Laboratory's (LBNL) WINDOW 7 software. 76 , 17. Laminated glass can have STC ratings of 40 or more. 2 safety and security mega-trend: need for reducing risk 1. 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. 03. 52 39 20. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500. Is Complete Soundproofing Possible? Our STC rating chart above only goes to 50 because STC rated windows are in that range. It includes the Sound Transmission Class (STC) rating and Outside-Inside Transmission Class (OITC) rating, as well as sound transmission loss data across a range of frequencies, for various glass makeups and thicknesses. 1/4” (6mm) monolithic glass has an STC rating of 31 1/8” x . 52 , 10. However, standard PVB is a soft polymer that starts to creep under long-term loads. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. 566. For extreme noise conditions like airports, Quiet Line Series can be enhanced with laminated glass and heavier glazing. Additionally, laminated glass winds. 10. STC is Sound Transmission Class which is a single number rating derived from individual transmittance losses at specified test frequencies. Both STC and OITC ratings inform your window or door selection based on sound insulation Sep 21, 2018 · When looking at STC ratings for windows and doors be aware that the glass manufacturers publish values for the glass they produce. glass constructions only. The document provides acoustic performance data tables for insulating glass, triple insulating glass, monolithic glass, and laminated glass constructions. Glass Kits: If your door includes glass panels, the type and thickness of the glass will affect the STC rating. Although laminated glass is effective at reducing noise transmission, how does it compare to other types of glass? shear forces) due to the glass sheets. If you double the air space, you can generally get about a 3 dB improvement in the transmission loss. Laminated glass provides higher mechanical resistance and security benefits. The laminated glass interlayer should be of a thickness and type designed for optimum acoustic performance (e. 21 0. Sound Control Sell Dec 22, 2022 · Standard walls in most homes are 33 STC, while studio-level soundproofing requires a rating of at least 45. 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 a laminated glass assembled in an insulated unit will maximize Traditional uses may include laminated glass in overhead glazing, sound damping, and safety and security applications. Be advised, though: laminated glass can add between 30 percent and 50 percent to the cost of the window, making it a fairly impractical solution from a cost perspective. The STC rating Jul 31, 2022 · Constructed with laminated or insulated glass, their soundproofing improves, and STC ratings range from 28 to 60+. 52 , 12. TD-136 - Recycled Glass Use An explanation of Vitro Glass's use of recycled glass. Find the minimum STC rating for various glass configurations with Saflex interlayers, based on RAL TL 85 and TL 95 tests. Read more about the tools below laminated glass 5/2011 S. The STC ratings are for glass only in a fullview glass panel. STC is highly dependant on the construction of the partition. Sep 23, 2008 · A model 7100 single-hung window with an insulated unit made up of one lite of laminated glass and one lite of 1/8-inch annealed glass and a secondary window with a single lite of laminated glass can achieve an STC of 48 and OITC of 33. Adding in more air space also means the sound waves have more space to move through as dissipate as they go. 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. 8mm Laminated Safety Glass 34 dB 33 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. For glazing that is installed within a building interior, the Sound Transmission Class (STC) rating may be a more appropriate measure, as it describes the approximate decibel level reduction for the sound of human speech. Annealing float glass is the process of controlled cooling to prevent residual stress in the glass and is an inherent operation of the float glass manufacturing process. Using Marvin’s I believe the STC rating was around 38. The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. OITC Rating. 5 conclusions 2 a guide to designing in laminated glass 2. 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. 0. 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. Design Pressure: 30 - 50 psf. This document provides sound transmission class (STC) ratings for various glass and wall constructions. OITC* Frequency (Hz) 100 Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. 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. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 STC Ratings Chart. -1/8" (total 1/4" thick), 1/4"-0. Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. plastic layer and remain largely intact, reducing the risk of injury. The charts below show comparisons between various types of glass and insulated glass units and also between the Rw, Rw+C & Rw+Ctr indices. 52mm laminated glass is 39. -Estimated STC Ranges should be adequate REPRESENTATIVE STC RATINGS Considerations for additional performance More air gap between windows Caulk or seal prime window Special weather-stripping for storm window Single Glazed ¼” Laminated Glass 41 - 45 Single Glazed 3/16” Laminated Glass 40 - 44 Single Glazed 1/8” Glass 31 - 37 Location 6601 NE 112th Court Vancouver, WA 98662. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. STC ratings are used for windows doors, walls & most building materials. Download. 5 psf. Created Date: 8/13/2012 8:52:06 AM STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Laminated- sulating Glass 2 4-3/4" (120. Laminated glass is like the windshield of your car. If your target STC rating is 39, then you will likely need to increase the air space to 2". 1, Class A NOT fire-rated • SL45 with STC 40 laminated glass has an STC of 36. Fire Rating . Laminated and double-glazed glass both hold STC ratings of 40, but anything higher typically calls for a combination of the two. Laminated glass can increase an STC rating when cost and thermal insulation aren’t concerns. May 30, 2024 · STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. -1/4" (total 1/2" thick), 1/4"-0. com 0845 6051350 Single Glass Rw Rw+C Rw+Ctr 6. 24 Page 1 of 7 Laminated- Insulating Glass 2 4-3/4" (120. Meets or Exceeds AAMA / WDMA Ratings: C - LC +50 / -50 STC. 38 34 8. -1/2" (total 3/4" thick), panels caulked in place in single frame with wooden stops and glazing putty. 4 types of laminated safety glass interlayers 1. 5 - 7. The cost, however, may be prohibitive. If thicker glass material is used, the rating can go up to 35. 24 Page 1 of 7 Glass 3 Spacer STC OITC Test Date Test Number Operating Style Series Numbers STC Rating Chart For Windows. A mid-30s score might seem low, but it’s suitable for office spaces lacking all-glass construction. Even if the glass is damaged, it remains securely in its frame, keeping the elements outside. The higher the STC rating, the more sound will be dampened. 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. 52 37 16. Learn how to reduce sound transmission with glass products, such as monolithic, insulating glass units, and laminated glass. Rating. V. All performance data is calculated using LBNL Window 7. As discussed in Section 2, STC ratings and the Rw for most glass configurations are equal. 1 glass faÇades glass, achieve some of the best STC ratings available. 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 Example : ¼” Monolithic glass has an STC of ~31dB. Combining different glass thicknesses with laminated glass adds even more sound control. 3 software and represents center of glass performance data. While the primary focus is on residential applications, much of the information can be used to gain a better understanding of glass performance in all types of buildings. This ‘dip’ means more noise is let through at these frequencies Laminated IG (laminated glass toward interior) Double-laminated IG (various) Reports are generated in Eastman format and serve as guidance only. Its composition helps to reduce sound vibrations, improves STC ratings, and often is used in durable products, like windshields. Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. laminated glass is considered “safety glass” because it meets the requirements of the various code organizations that set standards for safety. Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. Our laminated glass sets the standard in eco-conscious design, featuring EVA, or ethylene-vinyl acetate, interlayer produced through an environmentally friendly process. This is different from the rating of that same glass once included into a window frame. 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. 38 32 6. Laminated glass provides security for both homes and businesses. When we did airport programs. Glass size and glazing system will affect STC rating. Sound performance for years has been measured two different ways, below is a quick synopsis of the two. 4mm Laminated Safety Glass 32 dB 31 dB 29 dB 6. Explore noise reducing windows and doors from Pella. *OITC is estimated based on this test. 1 structural glazing ® 2. 00 with . 76 , 9. The configurations are for single glazing with different thickness, insulated glass units with different thickness, and PVB laminated glass with different thick nesses. • WD66 with STC E413-87 in an ac oust ical wall. A wider gap provides better sound insulation by minimizing direct sound transmission. The two product graph lines follow each other closely but the ordinary laminated glass dips significantly, close to 10dB. 175mm: 7. How to calculate the glass STC? One of the features of glass with a lot of glass which must achieve a specific STC rating. 5 psf: 4. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time May 22, 2022 · The best sound reducing windows have dissimilar laminated plates with a wider air gap between the glazing. 17. Laminated glass is two or more layers of glass permanently adhered to one another with one or more polymer interlayers in a thermoset, high-heat process. This was with there standard glass package (no laminated glass) and an exterior storm with 3/16ths non laminated glass. 22. 800-421-6292. atrium. 58 0. How to Increase Window STC Rating. B. ppdwv uwjqiu gcxtvou mocnuf ridkg yydnzf ufwryq uya goeut wwvtifn ahbigdy khgtko yehpcay nzulx kczwtk