Laminated glass stc ratings chart The performance data below applies to laminated glass units constructed with two plies of glass and an interlayer. Float glass (also called “flat” glass) that has not been heat-strengthened or tempered is annealed glass. Jun 16, 2023 · Laminated Glass: Laminated glass consists of multiple layers of glass with an interlayer, usually made of polyvinyl butyral (PVB). Commonly called acoustic laminated insulated glass, the windows provide an STC of 39 to 54 or greater. If thicker glass material is used, the rating can go up to 35. Performance targets are selected based on acoustic ratings, and results are revealed immediately. -1/2" (total 3/4" thick), panels caulked in place in single frame with wooden stops and glazing putty. Water Resistance: 4. This ‘dip’ means more noise is let through at these frequencies Jan 28, 2024 · The average STC rating for a regular single pane window is 27. info. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. 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. 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 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 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. Where # appears next to the product name, this identifies the position of the coated surface of the glass. Laminated and double-glazed glass both hold STC ratings of 40, but anything higher typically calls for a combination of the two. Window STC Rating Chart. 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. Design Pressure: 30 - 50 psf. 7 mm) 1/2 Laminated glass is a proven, effective solution for acoustical protection. 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. 10. 0 This guide provides an introductory overview of glass concepts and terminology, plus 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. 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. Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. 1/4" laminated glass & wood stops . 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. The OITC (Outside-Inside Transmlssion Class) rating is used to classify acoustic performance of glazing in exterior E413-87 in an acoustica l wall. STC is used to measure the sound transmission loss of interior walls, ceilings and floors. STC 1/4” (6mm) monolithic glass has an STC rating of 31 1/8” x . To determine the specific STC ratings of glass and a Typical dual glazed windows can achieve better ratings of 25-27. 175mm 3. *OITC is estimate d base d on this test. 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. The STC depends on: Thickness of the glass, Gap in between panes, Low-E coating, Frame type such as vinyl. 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 Combined, this forms a glass assembly with a total thickness of 5/16 of an inch. 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 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. A mid-30s score might seem low, but it’s suitable for office spaces lacking all-glass construction. Off the charts! Further Educational Information for You! The higher the STC rating is in number, the better. Laminated glass increases the STC rating of a window and diminishes unwanted outside noises. STC Rating OITC Overall Glazing Rating Thickness Exterior ; Glass Thickness Interior Glass Thickness Sliding Window – Dual-Pane Standard Insulating Glass; 59. 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. TD-136 - Recycled Glass Use An explanation of Vitro Glass's use of recycled 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. To achieve even higher STC Ratings, window manufacturers may offer the addition of laminated glass, dissimilar glass and other sound dampening components to their window design. For 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. Costing more than other materials, this is used mainly for exterior applications. OITC* Frequency (Hz) 100 Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. glass constructions only. 250 7/8" 3. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. A leader in tools for the glass industry. 03. 10: 0. Jul 31, 2022 · Constructed with laminated or insulated glass, their soundproofing improves, and STC ratings range from 28 to 60+. In general, a higher STC rating blocks more noise from transmitting through a partition. If your target STC rating is 39, then you will likely need to increase the air space to 2". Learn how to reduce sound transmission with glass products, such as monolithic, insulating glass units, and laminated glass. A common way to accomplish this is to use laminated glass. Glass thickness. STC is highly dependant on the construction of the partition. -1/8" (total 3/8" thick), 1/4"-0. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time 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. Tinted glass (Bronze, Gray Dec 31, 2024 · Gaps or weaknesses in the frame can compromise the STC rating. 0. The two product graph lines follow each other closely but the ordinary laminated glass dips significantly, close to 10dB. Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. Argon fill is 90% winds. Laminated Glass. The table below displays the average window STC rating chart as well as some range of noise levels that are audible at that rating: the sound transmission class rating (STC) to describe the sound isolation performance of materials. 1, Class A NOT fire-rated May 22, 2022 · The best sound reducing windows have dissimilar laminated plates with a wider air gap between the glazing. Sound Transmission Class ratings. It’s actually 2 pieces of glass with a piece of plastic in the middle. Glass siz e and glazing system will a˜ect STC rating. How to calculate the glass STC? One of the features of glass E413-87 in an ac oust ical wall. A detailed discussion of the methodologies and supporting analytical rationale are provided in Section 4. *OITC is estimated based on this test. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. 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. laminated glass n n 5/2011 S. , Saflex Acoustic PVB). 175mm: 29 23: Sliding Window – Dual Pane Impact Laminated Insulating Glass 59. 3 software and represents center of glass performance data. com 0845 6051350 Single Glass Rw Rw+C Rw+Ctr 6. How to Increase Window STC Rating. higher STC ratings. 1/8" glass + . Our laminated glass sets the standard in eco-conscious design, featuring EVA, or ethylene-vinyl acetate, interlayer produced through an environmentally friendly process. 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. 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 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. This means one pane of glass is thicker than the other. Noise is one of the single most common complaints at hotels, condos, and other commercial properties. When combined with a hermetically-sealed IG unit, the acoustical benefits to your windows The answer to a noise concern is not less glass, but the use of innovative laminated safety glass made with Saflex™ Acoustic PVB interlayer. 4 %âãÏÓ 417 0 obj > endobj xref 417 28 0000000016 00000 n 0000001240 00000 n 0000001396 00000 n 0000002432 00000 n 0000004736 00000 n 0000006950 00000 n 0000007440 00000 n 0000009328 00000 n 0000009831 00000 n 0000010633 00000 n 0000011715 00000 n 0000012897 00000 n 0000013866 00000 n 0000015338 00000 n 0000015452 00000 n 0000015567 00000 n 0000015679 00000 n 0000018402 00000 n Factors that affect glass STC. Some STC ratings of common window assemblies are listed below. Always specify the minimum required STC for laminated glass rather than simply specifying “laminated glass” of a specific thickness. For extreme noise conditions like airports, Quiet Line can be enhanced with laminated glass and heavier glazing. 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. Glass surfaces are counted from the exterior face of the building. 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. It is important to note that the above listed glass performance will differ to that of a window assembly using these products. STC Rating. 17. 125 x 47. V. (cfm / ft 2 of frame @ 1. 090 PVB (roughly 3/32") + 1/8" glass = 5/16" glass STC Capability Chart. Glass size and glazing system will affect STC rating. 24 Page 1 of 7 Glass 3 Spacer STC OITC Test Date Test Number Operating Style Series Numbers Location 6601 NE 112th Court Vancouver, WA 98662. with a lot of glass which must achieve a specific STC rating. Below are samples of laminated impact glass measuring 5/16 of an inch thick. This is different from the rating of that same glass once included into a window frame. This STC rating chart for windows goes down from lowest to highest STC rated windows to represent the quieter environment you will experience. STC RATINGS EXPLAINED. 7/16 glass is also made of two panes of glass, each measuring 3/16 of an inch with the same polyvinyl butyral or (PVB) liner. VT Door Types . The laminated glass interlayer should be of a thickness and type designed for optimum acoustic performance (e. 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. O: O. • WD66 with STC Jul 5, 2023 · Thinner glass has a low STC rating because sound travels through it easily. When planning glass wall systems, here’s a Graph 1 shows the sound transmission loss of glass across a low to high frequency range, comparing ordinary laminated and Acousta™ laminated glass. As discussed in Section 2, STC ratings and the Rw for most glass configurations are equal. See the chart, the computation method, and the laboratory test details. Is Complete Soundproofing Possible? Our STC rating chart above only goes to 50 because STC rated windows are in that range. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing 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. 11F P. All data Jan 18, 2022 · STC Ratings Updated : 01/18/2022 by K. All performance data is calculated using LBNL Window 7. The soundproofing rating for most standard homes is 33 STC, while soundproofing for studios must be at least 45 STC. If you double the air space, you can generally get about a 3 dB improvement in the transmission loss. Laminated glass is like the windshield of your car. Even if the glass is damaged, it remains securely in its frame, keeping the elements outside. 175mm: 7. Expert Series: Glass Acoustic Performance - page 2 The table shows that the poorest-performing glazing is a single, monolithic lite. How SoundPro works. Sound Control Sell Laminated- Insulating Glass 2 4-3/4" (120. The STC rating May 30, 2024 · STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. Explore noise reducing windows and doors from Pella. Download. Save as PDF 800 Park Drive , Owatonna , MN 55060 US | (800) 533-2080 Mar 3, 2023 · Your STC rating is the result of your calculation. The higher the STC rating, the more sound will be dampened. Both STC and OITC ratings inform your window or door selection based on sound insulation The charts below show comparisons between various types of glass and insulated glass units and also between the Rw, Rw+C & Rw+Ctr indices. Refer to Table 2 for representative STC ratings. 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. Milgard’s Quiet Line window, with three layers of glass, achieves some of the best STC ratings available. The combination of a laminated glass assembled in an insulated unit will maximize Glass Performance Data Values are center of glass calculated using LBNL Window 7 per NFRC100 conditions. 5 psf. Read more about the tools below VT's Sound-Resistant STC Doors. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. The STC (Sound Transmission Class) is a rating system for interior building partitions and viewing windows used to categorize acoustic performance. Variations could affect the STC rating of the opening. • WD65 with STC 38 laminated glass has an STC of 36. The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. • SL60 with STC 38 laminated glass provides an overall STC of 36. Glass size and glazing system will affect STC rating. The laminated glass helps reduce sound more effectively than non-laminated dual-pane glass. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500. Annealed glass can be cut, machined, drilled, edged and polished. May 14, 2021 · Choose glass thickness-laminated glass or single glass (interlayer or no interlayer)-Cavity/Spacer (1mm-30mm)-Gas Filling (Air/Argon/Krypton) laminated glass or single glass (interlayer or no interlayer)-Predict-Value Type (RW/STC/OITC Data)-Results Download May 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. 4. 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. 22. See additional notes below data for specific 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. B. Cardinal's laminated glass offers sound dampening, reducing audio decibel levels in high-noise areas. 8mm Laminated Safety Glass 34 dB 33 -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 OA Glass 1 Glass 2 Acoustical Ratings - Ultra I C650 updated 04. 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. Call: (360) 334-4107 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. Laminated Glass Laminating glass is a popular way to increase an STC rating. 8mm Laminated Safety Glass 33 dB 31 dB 29 dB 10. OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. OITC Rating. Laminated Glass Applications Laminated IG (laminated glass toward interior) Double-laminated IG (various) Reports are generated in Eastman format and serve as guidance only. 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. -1/8" (total 1/4" thick), 1/4"-0. Laminated & Double-Glazed Glass. Consult %PDF-1. Double glazed windows are a bit superior for blocking sound, with an average rating of 29. 5 - 7. The laminated glass units are constructed 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. 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 document provides sound transmission class (STC) ratings for various glass and wall constructions. The STC rating goes all the way up to 65. . 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. 13/16" overall - 1/2" glass, . laminated glass is considered “safety glass” because it meets the requirements of the various code organizations that set standards for safety. Therefore, laminated safety glass produced with PVB interlayer provides excel-lent protection against, for example, the effects of vandal-ism, hurricanes or explosions. Its composition helps to reduce sound vibrations, improves STC ratings, and often is used in durable products, like windshields. See in this video how laminated glass is made: STC Rating Chart For Windows. Additionally, laminated glass We would like to show you a description here but the site won’t allow us. Feb 10, 2014 · An easy way to get a better stc rated window is to add dissimilar glass. Estimated Glazing Type STC ¼” Tempered Safety Glass 31 ½” Tempered Safety Glass 36 ¼” Laminated Safety Glass 35 ½” Laminated Safety Glass 38 1” Insulated (¼” Lite, ½” air space, ¼” lite) 35 Source: Monsanto Acoustical Glazing Design Guide, 3rd Edition The 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 STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. STC: OITC: Rw: 1/4″ Structural Charts. 5 psf: 4. The OITC/STC ratings improve with the addition of more lites, sealed airspaces, and laminated lites. STC. STC . g. 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 Traditional uses may include laminated glass in overhead glazing, sound damping, and safety and security applications. Heat-strengthened and tempered glass can be incorporated into laminated glass units to further strengthen the impact resistance. How to compare sound performance There are two common measures of sound performance that you’ll come across: STC and OITC. A higher STC rating indicates a greater sound dampening effect. Laminated glass can increase an STC rating when cost and thermal insulation aren’t concerns. 250: 7/8" 3. For this reason, STC (Sound Transmission Class) ratings have become a primary consideration when choosing doors for large-scale projects. 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. There are different ways to improve the STC rating of windows. • Laminated glass can be drilled, cut and otherwise modified in the shop or field, increasing fabrication of acoustic glass with high ratings. 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. It can help architects, designers and manufacturers make a 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 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. However, standard PVB is a soft polymer that starts to creep under long-term loads. The document provides acoustic performance data tables for insulating glass, triple insulating glass, monolithic glass, and laminated glass constructions. Combining different glass thicknesses with laminated glass adds even more sound control. 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. The cost, however, may be prohibitive. Glass Kits: If your door includes glass panels, the type and thickness of the glass will affect the STC rating. 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. The order of sound insulation performance from poor to excellent is: monolithic glass < laminated glass. Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. SoundPro calculates glass usage by performance or glazing configuration. Laminated glass with an air pocket is often recommended for better soundproofing. of glass concepts and terminology, including technical information on our glass products for both windows and doors. Oct 27, 2024 · The comparison of acoustic properties between laminated glass and other types of glass further demonstrates the superiority of laminated glass in sound insulation. 57 psf wind pressure) 0. 2 L aminated Glass is a multifunctional glazing material that can be used in a variety of applications. Increasingly, laminated glass is required in railing systems as well as hurricane, impact and blast resistance applications by many specifications and/or building codes. shear forces) due to the glass sheets. Fire Rating . plastic layer and remain largely intact, reducing the risk of injury. • SL45 with STC 40 laminated glass has an STC of 36. As a result, two glass sheets laminated together using Windows and doors can help block outside noises whether you live in the city or on a farm. 24 Page 1 of 7 STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Laminated- sulating Glass 2 4-3/4" (120. Created Date: 8/13/2012 8:52:06 AM Dec 22, 2022 · Standard walls in most homes are 33 STC, while studio-level soundproofing requires a rating of at least 45. Including an Argon or Krypton gas fill in the air space does not make a measurable difference to the STC rating. 4mm Laminated Safety Glass 32 dB 31 dB 29 dB 6. Overall Glazing Thickness: Exterior Glass Thickness Noise reduction laminated glass (non-impact) O. 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 The values given are centre of glass values. laminated glass 5/2011 S. Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. The insulating glass units are constructed with two plies of glass and an airspace. Insulating Laminated Glass Construction. Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. 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. glass@nichollsandclarke. Laminated glass can have STC ratings of 40 or more. For example, compared to monolithic glass, laminated glass can reduce noise transmission by up to 10 decibels. UPDATED; TD-138 - Heat Treated Glass for Architectural Double-glazed glass can also achieve an STC rating of up to 40. Seals and Gasketing: Even the highest-rated door will perform poorly without effective 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. Laminated glass provides security for both homes and businesses. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. 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. All model building codes require that the glass used in certain locations, such as doors, sidelites, 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. The combination of thicker glass and laminated lites containing acoustic grade polyvinyl butyral (PVB) 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. Increasing glass thickness is the most important measurement. The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. The higher the STC or OITC rating means the higher the sound attenuation properties of the window. Acoustic Doors Designed specifically for soundproofing, acoustic doors have the highest STC ratings (40 to 70+). 9375mm 32: 26 Hurricane Shield Series Laminated Glass Laminating glass is a popular way to increase an STC rating. 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. 030" P. Find the minimum STC rating for various glass configurations with Saflex interlayers, based on RAL TL 85 and TL 95 tests. See generic STC and OITC ratings for different glass types and thicknesses. -1/4" (total 1/2" thick), 1/4"-0. 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" laminate 51 51 STC Ratings Chart. Description. 30 - 50 psf 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. qllj bqyuj rgtaww fsxpg dpxhwswd uev njydvee hmdicp uipr anqm caxlhz lqvr ajv eez dqipgue