Best stc glass rating chart. See additional notes below data for specific .
- Best stc glass rating chart Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. The package is available on all of the manufacturer's product lines, including the PlyGem Lifestyles vinyl window line (pictured with a wood-grain interior). Lab results are highly controlled and may not reflect the same performance in the field based on the conditions of your environment. 5” Acoustics Assembly Number: ISS-02 STC: 43 OITC: 28 Report No. Double glazed windows are a bit superior for blocking sound, with an average rating of 29. 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. Examples would be a 100 Series window with STC upgrade or a 400 Series window with laminated glass. A typical dual-pane window has an STC rating of 25-30. This rating is given to materials that are tested over a range of frequencies, and are proven to block sound in some capacity. Caution: You cannot add STC ratings. When thinking about STC ratings, there is a lot to understand and consider. It’s that easy. It goes without being said, that having the proper STC rating on your STC Rated Doors make a major difference in the effectiveness. 030" P. Acoustical Guide – Determining Minimum STC Rating Figure 1. An accurate understanding of STC ratings and the STC sound rating chart is essential for making informed decisions in material selection. But it really made a difference. Sound Transmission Class ratings. Our retrofit framing allows us to install the ArmorPlast® into your existing framing to significantly reduce costs and downtime. If thicker glass material is used, the rating can go up to 35. Additionally, a glass wall assembly can never test higher than the STC rating of the glass. 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. 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. Understanding STC 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. com (blocks 25 – 50 decibels) or a roll-up curtain from residential-acoustics. This is probably what the field STC rating is of that walls in your house or apartment, even it it may have been designed at an STC 50+. STC is determined by a weighted average of TL values taken over 16 frequencies, which are fitted to a curve in a method defined by the ASTM E413 Classification Standard for Rating Sound Insulation. Riot Glass® is a full line of ballistic glass available in single and dual pane options. For simplification, we have segmented NanaWall sound-rated opening glass wall solutions into three categories. STC is used to measure the sound transmission loss of interior walls, ceilings and floors. That being said, anything below an STC rating of 40 might garner comments about paper thin walls. STC ratings are the ONLY way to accurately compare various noise reduction products. Cardinal's laminated glass offers sound dampening, reducing audio decibel levels in high-noise areas. Rochester: 585-213-5066 Buffalo: 716-402-1640 Falkbuilt glass doors and dynamic walls ratings vary depending on thickness of the glass. Products versus Spaces May 30, 2024 · STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. % Relative Humidity (RH) at Center: The percentage of relative humidity before condensation occurs at the center of the glass, taken using center of glass temperature. Understanding STC ratings for drywall can be complex. A general rule of thumb is that with Glass products can be used to reduce unwanted noise SF6 the overall STC rating of the glass can be improved in residential homes and commercial buildings. 17. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time STC Rating Chart Determining STC Rating of Wall, Drywall, and Windows STC Rating of Drywall. At this rating, you may be able to hear very loud sounds faintly, but most sounds you won’t hear at all. The higher the STC rating, the more sound will be dampened. Inside Glass Surface Temperature (IGST): Measurement of the temperature of the glass surface (inside Sep 23, 2008 · The security glass package includes a 1/8-inch exterior pane of glass and a 1/4-inch interior pane of laminated glass, providing an STC value of 35, the maker says. 24 Page 1 of 7 STC ratings are used for windows, doors, walls and most building materials. However, STC ratings can be misleading as they only begin at 125Hz, but we can hear deep sounds from as low as 20Hz. Double-Glazed than glass, including the framing, the glazing gaskets/sealants, insulating glass unit spacer and sealants, and possibly interlayers. Fire Rating . Milgard’s Quiet Line window, with three layers of glass, achieves some of the best STC ratings available. *OITC is estimate d base d on this test. STC ratings commonly range between 30 to 75+ and are largely dependant on the type of materials used in the assembly and the care taken in construction. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Glass 2 4-3/4" (120. 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 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. Both achieve an STC rating of 40, but higher ratings require a combination. Laminated and Double-Glaze Glass Combinations: Combining laminated and double-glazed glass is best for ideal soundproofing. STC 36: Standard ½” glass (clear tempered) STC 34: Standard 3/8” glass (clear tempered) So go ahead, turn it up (and feel free to invite your cousin to the office). Click here to review the full details. STC 30 = This is where most dual-pane windows perform. Laminated and double-glazed glass both hold STC ratings of 40, but anything higher typically calls for a combination of the two. • 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. Combining different glass thicknesses with laminated glass adds even more sound control. We opted for the outside pane to be 1/4-inch glass (1/8th inch is standard). OA Glass 1 Glass 2 Acoustical Ratings - Ultra I C650 updated 04. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. There is plenty of information out there at our fingertips, but it's important to get a full picture. STC Capability Chart. The OITC (Outside-Inside Transmission Class) rating is used to classify acoustic performance of glazing in exterior applications. Here’s a quick guide to understanding STC grading. 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 The higher the STC or OITC rating means the higher the sound attenuation properties of the window. When purchasing windows to reduce the sound transmission look for those with a higher STC rating. 751 614 -426. High Range STC 43 - 45. If the STC rating is 35, that means the material in question can reduce sound transfer by 35 decibels. An example of a window STC rating chart is as follows: 26-28 – single pane window; 26-32 – double pane window; 48-54 – soundproof window over a single pane window The STC (Sound Transmission Class) is a rating system for interior building partitions and viewing windows used to Triple Insulating Glass Construction STC OITC 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 Double-glazed glass can also achieve an STC rating of up to 40. 3 software and represents center of glass performance data. 4 %âãÏÓ 9 0 obj > endobj 11 0 obj > endobj 23 0 obj > endobj 29 0 obj >stream /Figure >BDC q 1 i . * Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. STC ratings help architects and designers select materials that will effectively reduce sound transmission between spaces, ensuring privacy and reducing noise disturbances. 22. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. The best way to deal with impact noise is to cushion the actual blow or impact. Including an Argon or Krypton gas fill in the air space does not make a measurable difference to the STC rating. Jan 11, 2025 · The result is sound control over a greater range of frequencies and a significantly higher Sound Transmission Class (STC) rating than a window with standard dual-pane glass. Understanding STC Ratings for Drywall. Email: info@commercial-acoustics. While STC and OITC ratings are published for various glass configurations, accurate ratings for the Laminated architectural glass can be fabricated using various glass types, including low-e, clear, low-iron, tinted, reflective, patterned or wired glass to achieve desired aesthetics or to improve solar control and thermal performance. 030 P. ) versus the other side of a building’s surface. Lab Proven STC Ratings Mar 21, 2024 · Air Pocket Between Glass Panes: The distance between the two panes of glass in double-glazed units affects STC. 03. Down to 35 – 40. 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. Glass thickness. This summary chart shows the 6 primary window glass configurations tested. The higher the STC rating, the better the sound isolation. Jan 10, 2025 · Precast walls will usually come with an STC rating to save you the trouble of how determining the STC rating of a wall yourself. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500. 030" PVB, 1/8" glass, 1/2" Transmission Class (STC) rating may be a more appropriate measure, as it describes the approximate decibel level reduction for the sound of human speech. It should be noted that STC ratings obtained in a lab may be different than those achieved in real-world applications. -1/8" (total 1/4" thick), 1/4"-0. The soundproofing rating for most standard homes is 33 STC, while soundproofing for studios must be at least 45 STC. Select materials for sound absorption according to their STC ratings. The cost, however, may be prohibitive. We carry STC Ratings anywhere from STC 26 all the way up to STC 70. Save as PDF 800 Park Drive , Owatonna , MN 55060 US | (800) 533-2080 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. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. Sound performance for years has been measured two different ways, below is a quick synopsis of the two. 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. *OITC is estimated based on this test. Consider not only the STC rating but also door quality and construction. -1/8" (total 3/8" thick), 1/4"-0. 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. Determine Target STCs When planning your acoustics—especially in environments like conference rooms or medical facilities where sensitive information is discussed—knowing the STC ratings of different materials is crucial. Oct 18, 2023 · How to Read an OITC Rating Chart. 1/8" 35 35 This document provides sound transmission class (STC) ratings for various glass and wall constructions. OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. Mar 30, 2023 · Also, an acceptable STC rating for walls may be different from the acceptable STC rating for floors, depending on whether the walls are shared by a neighbor, or a room is directly beneath a kitchen with heavy traffic. Glass size and glazing system will affect STC rating. components. 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. All data presented is for glass-only testing. In addition, proper installation is critical to ensure that sound does not enter through poorly fitted components. • WD65 with STC 38 laminated glass has an STC of 36. Laminating glass is a popular way to increase an STC rating. STC Rating Chart For Windows. NWTL140828-03 STC 40 Assembly Components Finish material 1/ Typical dual glazed windows can achieve better ratings of 25-27. No frames are utilized in the testing to ensure accurate comparison of the glass configuration can be made without external STC Lab Test Results 1/8" single pane glass Tested at various air spacing between the test glass and a Soundproof Window 27 STC Test Glass - STC Test Result Range: 43 52 40 50 60 70 T ransmission Loss (Db) SOUNDPROOF WINDOWS®, Inc. So the windows are 2-pane. After a 1/4” Thermolite sound control window was placed behind the same window, the STC rating improved to 43 and the OITC rating improved to 33. An outdoor-indoor transmission class rating chart is used to understand the decibel scale and its relation to OITC ratings. May 13, 2024 · The lower the rating, the less transmission of energy that causes fading. The following examples demonstrate improved STC values in floor/ceiling assemblies. Jun 15, 2024 · STC Ratings for Windows and Glass. If sound reduction is a priority, look for a window in the 30-35 STC range. 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. 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. 4 mm) thick gypsum board with a specially formulated, fire resistive, non combustible core combined with reinforcing glass mats and double beveled edges for ease of installation. • SL45 with STC 40 laminated glass has an STC of 36. Increasing glass thickness is the most important measurement. Mid Range STC 36 - 42. A rating increase from 24 to 33 corresponds to a 95% of noise reduction. Sound Transmission Loss (dB) 43 1/8" glass, . Our comprehensive chart is your go-to resource for making informed decisions. 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 Class (STC) rating. If you have an STC 33 wall and decide to add another sheet of drywall with an STC of 20 you do not get a finished wall with an STC of 53. Door Material Armorplast® and Riot Glass® ArmorPlast® is designed to resist penetration in UL752 Levels 1, 3 and 6. When tested in the field, an STC rating of a wall assembly will almost always be lower than the lab Phone: 888-815-9691. To determine the specific STC ratings of glass and a What is STC rating? Some transmission class is an integer rating that determines how well a product can reduce airborne sounds. Jan 18, 2022 · STC Ratings Updated : 01/18/2022 by K. 50003 659. 06 m W* n 0 792 612 By changing the thickness of the glass the sound waves will have to modify to move through the glass. Lower Range Up to STC 35. An STC rating is a quick reference number for the entire frequency band, and primarily measures interior noises at levels most common to human speech (500Hz-2,000Hz). The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. Importance of STC Ratings. Assemblies will be organized by STC value ranging from an STC of 40 to an STC of 57. The IIC rating is also noted. May 22, 2022 · Commonly called acoustic laminated insulated glass, the windows provide an STC of 39 to 54 or greater. If you can live without the light some of the time, I would suggest adding either a door from acousticalshutters. 24 mm) 1/8" 0. What Are STC Ratings? glass constructions only. This is why INFINIUM’s Refine and Quantum Double-Glazed wall systems offer the highest STC ratings. Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. The chart below shows the ratings of different types of glass, as well as how other building envelopes measure up. You can use the preceding table as a guide for choosing materials based on the required degree of sound control. 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. STC Rating Chart. 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. Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. Variations could affect the STC rating of the opening rating line of defense between units and provide sound ratings up to STC 61. Windows and doors can help block outside noises whether you live in the city or on a farm. Even if all other aspects of the door are set up properly, the intended sound reduction will not occur. All performance data is calculated using LBNL Window 7. 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. What Is a Good STC Rating? An excellent rating is an STC of 60 or higher. In fact, dual-pane windows with dissimilar glass can achieve STC ratings nearly as high, if not as high, as triple-pane or laminated glass. 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 . Seals and Gasketing: Even the highest-rated door will perform poorly without effective Nov 25, 2022 · A four-point STC improvement can cause a clearly perceptible change in your home’s acoustics, while a 10-point improvement can reduce sound by 50 percent. com (blocks 30 decibels) You should be able to get either for under Feb 18, 2022 · STC Rating of Fiberglass vs Rockwool (Which one insulates the best) Note: Here I will be going over which type of insulation material works best when put inside a typical interior wall with ½” of drywall on either side, which has an STC rating of 34 on its own, and how it increases this rating. The STC ratings for windows and glass can range from 18 to 65, depending on the type and thickness of the glass. Calculating the required improvement involves subtracting the target STC rating from the existing STC 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. 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. They are logarithmic values and cannot simply be added. This is different from the rating of that same glass once included into a window frame. Both STC and OITC ratings inform your window or door selection based on sound insulation STC Rating. -1/4" (total 1/2" thick), 1/4"-0. GlasRoc® Shaftliner is a 1” (25. Of course, the rating is determined as an average based on the different frequencies between 125 Hz to 4000 Hz. For windows, STC ratings range from 18 to 38. STC Ratings Explained Sound Transmission Class (STC) measured in decibels, is an average value associated with a material’s effectiveness in reducing sound. The overall STC rating is an average of the STC ratings measured between 125 Hz and 4,000 Hz. Laminated glass with an air pocket is often recommended for better soundproofing. Quite simply, the higher the rating, the better the product. best suited for your particular needs. Calculate What You Need for the Improvements You Want. Escape the noise with PGT's impact windows and doors. STC 43 Assembly Components Finish material 5/8” Gypsum Size 3 5/8” Steel Stud Spacing 16” oc Product AFB Thickness 3. Here is a useful outline of STC rating levels, types, requirements, and suitable strategies and applications to help you choose the perfect match. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. A heavy carpet and high quality pad work best to improve the IIC value of a floor/ceiling. E413-87 in an acoustica l wall. On the Dec 22, 2022 · Several factors in determining the best type of glass for your project include insulation requirements, intended usage, acoustics, and other conditions. Our expertly crafted solutions provide unbeatable protection against noise pollution, while preserving natural light and design flexibility. A typical STC rating chart will often include an example of materials with a given STC rating, and the sounds you can expect to hear given the STC rating. Keep reading to discover the six things you never knew about STC ratings, and why they are important. Explore noise reducing windows and doors from Pella. com. V. How to Increase Window STC Rating. There are different ways to improve the STC rating of windows. The STC rating goes all the way up to 65. Performance targets are selected based on acoustic ratings, and results are revealed immediately. STC is widely used to rate interior partitions, ceilings/floors, doors, and windows. … -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 Feb 10, 2014 · Again, 1/8” which they call double strength, over a 3/16” double pane unit (insulated glass unit) with as wide of an airspace between panes (seal) as possible, typically 3/4” OA (“over-all”) or a 7/8” OA and you will have an incredible STC rating with this. With either scale (the OITC scale for exterior glazing or the STC scale for interior glazing) a performance rating of 30, for instance, Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. Glass siz e and glazing system will a˜ect STC rating. Thermolite Sound Transmission Loss Test Report Results Solid Glazed Wall STC Rating 3/8" Clear Tempered Glass 36 1/2" Clear Tempered Glass 38 Double Glazed STC Ratings Muraflex Double Glazed solid walls scored industry standards: Solid Double Glazed Wall 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 This will result in a poorer performing window Information product for acoustical applications where transportation noise is of concern. Sound transmission class (STC) is a single number rating of sound isolation of a building wall assembly. Address: 6301 N Florida Ave Tampa, FL 33604 Factors that affect glass STC. An STC rating is an instrument measurement of how much noise is stopped. Glass size and glazing system will affect STC rating. What is a good STC rating for May 22, 2022 · And glass in the door lowers the overall STC rating even more. It includes STC ratings for commonly used materials such as: SoundPro calculates glass usage by performance or glazing configuration. Combining different glass thicknesses with laminated . 501 re 306 396. FSC* 1/4" laminated glass & wood stops . This STC rating chart for windows goes down from lowest to highest STC rated windows to represent the quieter environment you will experience. Fortunately, there are some tools we can use when we choosing the suitable glass types we need. Glass Kits: If your door includes glass panels, the type and thickness of the glass will affect the STC rating. You might get something around STC 35. Costing more than other materials, this is used mainly for exterior applications. STC sound rating was introduced in 1961 as the method of comparing various wall, ceiling, floor, door and window assemblies. Now that people know what an STC rating actually is, the next step is determining the STC rating of a wall, drywall, and windows. The STC and ISO RW values indicate the acoustical performance ratings, with higher numbers indicating better sound 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. Is Complete Soundproofing Possible? Our STC rating chart above only goes to 50 because STC rated windows are in that range. A floating floor is another way to significantly improve an STC Results Chart. B. Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. Window STC Rating Chart. Jan 28, 2024 · The average STC rating for a regular single pane window is 27. Mar 5, 2021 · STC stands for sound transmission classification. 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 Jul 5, 2023 · Thinner glass has a low STC rating because sound travels through it easily. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. At JELD-WEN, for example, we Jun 16, 2023 · Laminated glass can have STC ratings of 40 or more. This might seem a little difficult to do, but as long as a person has somewhat of an idea on how the ratings work, it is a -114• glass) with an STC rating of 34. 4. When planning glass wall systems, here’s a STC Rating STC Rating Static Door Operable Door Perimeter Seals Door Bottom Threshold Panel w/ Gasketing 30 30 103N, 107N, 120N, 122N 420N 897NS 127N, 133N, 134N, 137N 137S, 303N, 700N, 700S 30 30 130S 225S 896S Mar 22, 2022 · Six Things You Never Knew About STC Ratings. Standard windows offer sound control up to an STC rating of 30. This is the main reason I went with Hamilton: it’s a thick enough frame for 1/4 glass. 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. 70 60 --STC38 Jul 31, 2022 · Glass doors can range from 28 to 60+ STC ratings, while steel and fiberglass doors range from 20 to 50. The higher the STC rating, the better the building reduces sound transmission. See additional notes below data for specific PDF-1. Sound transmission class (STC) ratings solve that problem by giving a single value to acoustical performance for a door. What is STC? STC ratings measure sound level on one side of a building’s surface (wall, ceiling, window, etc. If you have an STC 45 wall, this does not mean the wall stops 45 dB of sound. Oct 10, 2024 · STC RATING CHART: STC: What can be heard at this level: 25: Soft speech can heard and understood: 30: Normal speech can heard and understood: 35: Loud speech can heard and understood: 40: Loud speech can heard, but not understood: 45: The threshold at which privacy begins: 50: Loud sound can be heard, but are very faint: 60+ At this level, good Feb 19, 2024 · How is the STC Rating Determined? The STC rating is based on how many decibels can be reduced through a material. Laminated & Double-Glazed Glass. A higher sound transmission class rating indicates more effective sound insulation than a lower rating. Each configuration was tested by itself and then with the added Soundproof Window at 4 different air spaces (glass to glass measurements) shown to the right. 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. Of course, the higher the STC rating, the better. Glass Product Type and Thickness STC. • SL60 with STC 38 laminated glass provides an overall STC of 36. 24 Page 1 of 7 Glass 3 Spacer STC OITC Test Date Test Number Operating Style Series Numbers May 14, 2021 · It is hard for us to know how much DB noise has been blocked during transmission. It made the windows heavier—was fun hefting them up to install them. The STC rating system looks at the amount of noise mitigation provided by the assembly over a broad range of frequencies and a single number is calculated as its rating. 1. Dec 31, 2024 · Gaps or weaknesses in the frame can compromise the STC rating. STC OITC 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 Nov 7, 2016 · Looking at the chart above, once a wall gets to an STC of 45, loud speech is audible but not understandable. Mass pigmented and decorative interlayers can also be used to provide a wide range of effects. GlasRoc® Shaftliner is designed As the table shows, a single pane 1/4” annealed curtain wall window has a STC rating of only 31 and an OITC rating of 28. Old aluminum and wood windows are rated even lower. Factors That Affect Your Glass STC Rating insulating glass units. A wider gap provides better sound insulation by minimizing direct sound transmission. VT Door Types . The STC ratings allow accurate 'apple to apple' comparisons. Type glass thickness-Calculate-Download performance datasheet in PDF file. Heavier glass and/or different glass thicknesses can be used in place of standard glass for a higher reduction in sound. The STC rating figure represents approximately the decibel reduction in noise that the assembly can provide. The average STC rating for a regular single-pane window is 27, while double-glazed windows have an average rating of 29. AGC Glass Configurator Single & Laminated Glass Data. Adding in more air space also means the sound waves have more space to move through as dissipate as they go. Most of the time, an assembly’s OITC rating is lower than an STC rating. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 Heavier glass and/or different glass thicknesses can be used in lieu of standard glass for a higher reduction of sound. Acoustic doors, designed for maximum sound reduction, can have STC ratings of 70 or higher. -1/2" (total 3/4" thick), panels caulked in place in single frame with wooden stops and glazing putty. txofgm plwwdh nkbifmyo azsh oob fxeue dvhj ext teipkcfg vmzd myevl qkpmeh lzr iioahv oep