Cardinal glass stc ratings chart Window STC Rating Chart. Determine the square footage and Aspect Ratio. Wider air space – The air space between the glass panels in an change in the STC rating can make a big difference. Implementation of the appropriate rating system is important because OITC and STC ratings are not linearly related, and the achievement of a strong STC rating does not necessarily correlate with a similar OITC rating. This design helps to reduce heat transfer through the window, which in turn lowers the risk of condensation forming on the room-side surface of the glass. com 1-888-PPG-IDEA (1-888-774-4332) Total Total Winter Summer Shading Solar Light to Ultra Solar Visable Solar Night Day- Coeffi- Heat Gain Solar Glass Type Violet Visable Energy Light Energy time Time cient Coeffi- Gain % % % % % cient (LSG) Performance documents for altitude limits, NFRC ratings, center of glass, joining window load table, air infiltration, and more. This information assumes that the IG unit is configured with an energy-efficient window frame and is properly installed. cardinalcor. AGC Glass Configurator Single & Laminated Glass Data. Continue reading… Stay up-to-date on Thermolite’s latest blog posts: Sound Transmission Class (STC) is a single-number quantity which characterizes the airborne sound insulation of a material or building element over a range of frequencies. Read more about the tools below Cardinal CG Company - cardinalcorp. It is also the most used soundproofing rating system. 3. (5 or 6 points) in laboratory STC ratings for essentially similar assemblies. (See here and here for more information on glass optical data and the Windows 6. NOTE: Data shown is for comparison purposes only and is accurate as of May 1, 2016. A STC requirement of 35 is common for construction near airports – therefore a STC rating of 35 or greater would qualify. Oldcastle BuildingEnvelope ® offers a variety of glass products to meet your architectural glazing design needs. Is Complete Soundproofing Possible? Our STC rating chart above only goes to 50 because STC rated windows are in that range. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 V400 | Tuscany® Series Acoustical Ratings rigid non-rigid Intercept / Cardinal Foam / 4SG / Dura**** Glass 3 Spacer STC OITC Test Date Number Operating Jan 18, 2022 · Intercept or Cardinal horizontal slider 6110 6111 6130 6130J 6170 size tested 6040---Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name: STC Ratings - Style Line | V250 Due to continual product research and development, details listed are subject to change at any time. Outdoor-Indoor Transmission Class (OITC) – applicable to exterior walls (including doors and windows) where the May 13, 2024 · The lower the rating, the less transmission of energy that causes fading. Seals and Gasketing: Even the highest-rated door will perform poorly without effective -114• glass) with an STC rating of 34. E413-87 in an acoustica l wall. By clicking "Accept", you consent to our use of cookies. If thicker glass material is used, the rating can go up to 35. Intercept or Cardinal - - Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name: STC Ratings - Thermalbreak| A250 Due to continual product research and development, details listed are subject to change at any time. When combined with a hermetically-sealed IG unit, the acoustical benefits to your windows A leader in tools for the glass industry. 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. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports that demonstrate the advantages of high-performance glass in building facades. Disclaimer This performance analysis is provided for the limited purpose of assisting the user in evaluating the performance of the glass products identified on this report. Performance data is for overall window units and not glass only. glass constructions only. SmartSun™ Glass PassiveSun® Glass A great What is LoĒ³-366 ®?. 28 0. Sound Transmission Class (STC) rating system measures sound transmission loss between 125 Hz and 4000 Hz. Connect the LoĒ coated glass on the left with the correct climate zone column. Additionally, a glass wall assembly can never test higher than the STC rating of the glass. It even outperforms tinted glass often used in warm climates. Double-Glazed STC Rating Chart Determining STC Rating of Wall, Drywall, and Windows STC Rating of Drywall. The higher the STC rating, Cardinal's LoĒ³-366 glass is the new standard in energy efficiency. Save as PDF 800 Park Drive , Owatonna , MN 55060 US | (800) 533-2080 Solarban® 70 glass (formerly Solarban® 70XL glass) is a solar control, low-e glass that brilliantly combines the clear appearance of transparent, color-neutral glass with an exceptional combination of solar control and visible light transmittance (VLT). A higher STC rating indicates a greater sound dampening effect. Insulation will noticeably improve the STC rating of an assembly. 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. Oct 14, 2014 · Two sound ratings are mainly used: sound transmission class (STC) and outdoor indoor transmission class (OITC). 4 %âãÏÓ 1107 0 obj > endobj xref 1107 24 0000000016 00000 n 0000001789 00000 n 0000001952 00000 n 0000004835 00000 n 0000005232 00000 n 0000005347 00000 n 0000005671 00000 n 0000006078 00000 n 0000006903 00000 n 0000007753 00000 n 0000008539 00000 n 0000009340 00000 n 0000010148 00000 n 0000010897 00000 n 0000011792 00000 n 0000012529 00000 n 0000014062 00000 n 0000015281 00000 n Intercept or Cardinal-- - Operating Style Series Number Glass 1 Glass 2 Spacer STC File Name: STC Ratings - Aluminum | A150 Due to continual product research and development, details listed are subject to change at any time. A higher sound transmission class rating indicates more effective sound insulation than a lower rating. The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. Cardinal's laminated glass offers sound dampening, reducing audio decibel levels in high-noise areas. 2021 By Garibaldi Glass Cardinal 270 - Cardinal 272 - Guardian SN 68 - Viracon VE-2M - Vitro Solarban 60 In addition, when the laminated glass makeup includes a coating facing the interlayer material, there may be a loss of Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. Laminated glass provides security for both homes and businesses. 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. Glass size and glazing system will affect STC rating. Jun 15, 2024 · STC Ratings for Windows and Glass. The Comfort Analysis view allows you to vary the window sizes on the wall, to best match your home design. 24 mm) 1/8" 0. Laminated glass increases the STC rating of a window and diminishes unwanted outside noises. Cardinal Loå2-272 glass (pro-nounced low E squared 272) delivers year-round comfort, whether it’s 20 below or 110 The chart at right shows that windows with a This document provides sound transmission class (STC) ratings for various glass and wall constructions. This performance data is not a commitment for Cardinal to produce. Some companies Protect your home from hurricanes with Cardinal's Sea-Storm® laminated glass. §STC Sound Transmission Class is an integer rating of how well a building partition attenuates airborne sound. (3) Comfort Indoor Glass Temperatures are for the center portion of the glass. insulating glass units. The higher the STC rating, the better resistance to sound www. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. *OITC is estimate d base d on this test. How to buy windows with LoĒ² glass Many window manufacturers provide LoĒ² glass in their standard configurations. This glass package combines asymmetric laminated glass and dissimilar thickness glass within a 1” dual pane insulated glass unit to achieve improved sound performance. 70 60 --STC38 Jan 28, 2024 · The average STC rating for a regular single pane window is 27. At this rating, you may be able to hear very loud sounds faintly, but most sounds you won’t hear at all. 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. SmartSun™ Glass It gives you the benefits of Low-E glass, plus it helps shield your home from the sun’s heat and filters out 95% of harmful UV rays while letting sunlight shine through. The glass we like is the Cardinal 340 and he quoted us $11,300 to change out every window and we have over 40 windows; some of those are half moon. Please contact Oldcastle BuildingEnvelope ® for product availability and performance data as this information is subject to change without notice. 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. LoE2272 Glass | Cardinal Glass Industries 3/4 Note: All values calculated using Window 6. Automated Glass Defect Detection: This is where scratches, coating faults and debris on glass surface are detected. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. Jun 16, 2023 · Learn about glass sound insulation, the importance of Sound Transmission Class (STC) ratings, and how higher STC ratings help reduce sound transmission. 800-782-5742 Talk to an expert! Intercept or Cardinal horizontal slider 8120 8130 8170 size tested 6040-- - Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name: STC Ratings - Tuscany | V400 Due to continual product research and development, details listed are subject to change at any time. Operating Style Series Numbers Glass 1 Glass 2 Spacer STC 33 27 4/22/99 TL99-170 - - 33 28 4/22/99 TL99-168 - - 35 28 10/30/99 TL98-378 tested not tested not TL99-169 not tested - - 36 29 4/22/99 File Name: STC Ratings - Ultra | C650 Due to continual product research and development, details listed are subject to change at any time. It uses decibel (db) levels measured between frequencies of 125 Hz and 4,000 Hz. When planning glass wall systems, here’s a 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. (5) UV Damage Weighted Transmittance (Tdw) is the weighted average for wavelengths 300 - 700 nm (based on CIE 89/3). This got us thinking about making the investment and doing full replacement. 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 Nov 6, 2024 · For specific information on glass performance, please see Glass Performance Ratings in Technical Documents. Jul 30, 2024 · The Outdoor-Indoor Transmission Class (OITC) rating, calculated according to ASTM E1332, measures the capacity of a window or door to reduce the transmission of exterior noise to the interior of a building across the frequency range of 80 to 4000 HZ. LoĒ³-366 Coated Glass | Low-E Glass | Cardinal Glass Industries Cardinalcorp. Single hung and picture windows are now available with a glass package that achieves an STC 35, while sliding windows achieve an STC 34. Cardinal Glass Industries is leading the industry in the development of residential glass for windows and doors. The systems accurately characterize defects by size and sort them according to specifications preventing defective glass from proceeding to high value operations. Topics include: Download PDF Document Sound Transmission Class (STC) - The STC rating is a single number value quantifying the ability of a material to resist the transmission of sound. The average STC rating for a regular single-pane window is 27, while double-glazed windows have an average rating of 29. ) Jul 30, 2024 · Insulating Glass (IG) Units: IG units are composed of multiple panes of glass separated by a spacer and sealed to create a single unit with an air or gas-filled space in between. Resilient channel can improve the STC rating of an assembly. From the melting of sand to produce clear float glass to the vacuum sputtering of silver to produce low-emissivity coatings, Cardinal manufactures the quality components and finished. Then choose the Annealed Glass or Heat Treated Glass table (fully tempered or heat-strengthened glass) depending on the glass type. comtransmission. The second column is the rating of the operable door installed with hardware and gasketing which provides the STC rating of the door assembly. Please contact your Authorized AMSCO Dealer for actual values of units. We trust they provide the best quality glass for our customers. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Inside Construction Space Outside STC Value ISO RW 3 Single Laminated Glass 1 1/4" (7. Sound Transmission Class (STC) Rated Single Door 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. In the US, it is widely used to rate interior partitions, ceilings, floors, doors, windows and exterior wall configurations. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. The STC rating goes all the way up to 65. Examples here use 3mm glass with a stainless steel spacer and argon gas fill. introduces the ultimate performance glass, LoĒ³-366 ®, and comes standard in all Premium Windows products. Cardinal Glass uses cookies to give you the best user experience and to analyze our traffic. The world’s first triple-silver, magnetron sputter vacuum Understanding a material’s Sound Transmission Class (STC) rating is essential for blocking sound effectively in your space. 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. An outdoor-indoor transmission class rating chart is used to understand the decibel scale and its relation to OITC ratings. Functional Functional Always active (3) Comfort Indoor Glass Temperatures are for the center portion of the glass. 030 P. Dec 22, 2022 · Sound Transmission Class (STC) ratings for glass indicate how well a partition, wall, or window mitigates or blocks sound and reduces noise. B. Lab results are highly controlled and may not reflect the same performance in the field based on the conditions of your environment. 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. It is the average of 16 frequency test points. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 SOLARBAN® ®†† 70 ®Solar Control Low-E Glass on OPTIBLUE (formerly SOLARBAN z75 Glass) SOLARBAN 70 (2) OPTIBLUE + Clear 46 9 13 0. 27 / U-FACTOR: 0. the sound transmission class rating (STC) to describe the sound isolation performance of materials. C650 | UltraTM Series Acoustical Ratings Intercept or Cardinal Foam or Dura**** Glass 3 Spacer STC OITC Test Date Test Number Operating Style Series Numbers Tested Size OA Glass 1 Glass 2 Generally, yes. Please navigate with sitemap Sitemap EspaÑol LoĒ³-366 Glass SHGC: 0. To determine the specific STC ratings of glass and a Burris Windows offers many styles of obscure glass, which can be used to decoratively separate spaces, yet allow light to pass through. V. 1. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51. 43 / LIGHT TRANS: 66% / All stats A new standard Cardinal introduces LoĒ³-366 (pronounced low E cubed-366), the ultimate performance Feb 19, 2024 · Explore the STC rating chart for walls, glass, windows, doors, and materials. The table below displays the average window STC rating chart as well as some range of noise levels that are audible at that rating: GLASS MAKE-UP 6mm Cardinal 272 LoE Surface #2 ½” Dual Seal Black Warm Edge Spacer Argon 90% / Air 10% 6mm Clear All specifications below are center-of-glass (CoG) values and do not take into account framing systems. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. Actual values may vary due to production tolerances. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Glass 2 4-3/4" (120. 40 Sound Transmission Class (or STC) is an integer rating of how well a building partition attenuates airborne sound. Glass siz e and glazing system will a˜ect STC rating. 17. % 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. Cardinal Industries supplies Quaker with several types of Low-E glass, tinted glass, privacy glass and other specialty glass. com ©2024 Cardinal CG Company - Ref number 02072024 Contact Cardinal CG to learn more about LoĒ³-366 and other Cardinal glass products. Argon fill is 90% and air fill is 100%. Adding additional layers of drywall can improve the STC rating of an assembly. May 22, 2022 · Is OITC Better than STC? The short answer is ‘No’. (4) The UV Transmittance is determined as an average for wavelengths 310 -380 nm. 20 in 2-pane units. From their off ering, we have developed our own energy-effi cient family of glazing packages. Jul 5, 2023 · Thinner glass has a low STC rating because sound travels through it easily. Mar 3, 2023 · Your STC rating is the result of your calculation. It should be noted that STC ratings obtained in a lab may be different than those achieved in real-world applications. Learn why STC ratings matter for soundproofing. The long answer is ‘In some cases’. Cardinal Glass Industries Inc. Intercept or Cardinal X X <--Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name: STC Ratings - Trinsic | V300 Due to continual product research and development, details listed are subject to change at any time. One Inch Insulating Glass Unit Comparisons with PPG Architectural Glass www. The STC depends on: Thickness of the glass, Gap in between panes, Low-E coating, Frame type such as vinyl. Unlike other fenestration value requirements, higher glass STC ratings indicated higher performing products. 24 0. walls with the same STC rating. Call: (360) 334-4107 Sound Transmission Class (STC) is a single-number quantity which characterizes the airborne sound insulation of a material or building element over a range of frequencies. The standard requires a minimum laboratory STC rating of 50 for party walls and floor/ceilings. Products Company CLIMATE CHANGE Technology Media/Press search ©2008 Cardinal Glass Industries Legal / Disclaimers Mar 30, 2023 · Sound transmission class ratings generally come up in places where we want to keep sound either in or out, like a sound studio, a road-facing exterior wall, or a bedroom above the garage. 42 SHGCc - Solar Heat Gain Coefficient 0. com uses Flash and Javascript. The STC and ISO RW values indicate the acoustical performance ratings, with higher numbers indicating better sound Laminating glass is a popular way to increase an STC rating. 5. Acoustical Guide – Determining Minimum STC Rating Figure 1. rating required. We invest in the latest technology to give our customers the best product, always. Keeps the view while beating the heat. 0 airgap/3mm) is 30. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. Intercept or Cardinal horizontal slider 6110 6111 6130 6130J 6170 size tested 6040---Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name: STC Ratings - Style Line | V250 Due to continual product research and development, details listed are subject to change at any time. Cardinal Glass Industries is considered one of the world’s leading providers of superior quality glass products. Enhanced protection against windborne debris, passes rigorous county building codes & TAS/ASTM testing protocols. Oct 16, 2023 · STC 29-34 X X <--32 Operating Style Series Numbers Glass 1 Glass 2 Spacer STC TL22-271 28 12/14/22 TL22-270 acoustical ratings not available for this File Name: Acoustical Ratings - V150 Due to continual product research and development, details listed are subject to change at any time. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time Sound Transmission Class (STC) - The STC rating is a single number value quantifying the ability of a material to resist the transmission of sound. Made to meet ENERGY STAR 7. For example, the STC of a 1/2” insulating glass unit (3mm/6mm airgap/3mm) is 28 and the STC rating of a 3/4” insulating glass unit (3mm/13. pppideascapes. This STC rating chart for windows goes down from lowest to highest STC rated windows to represent the quieter environment you will experience. Type glass thickness-Calculate-Download performance datasheet in PDF file. Fortunately, there are some tools we can use when we choosing the suitable glass types we need. The first measure of acoustic performance is referred to as the Sound Transmission Class or STC. Whether you are trying to decorate an office or conference room door, front door of your home, or an exterior bathroom window, we have the right obscure glass for you. This is helpful to know when designing around mechanical rooms, band rooms and gymnasiums where low frequency sound may be a concern. 1/8" 35 35 Cardinal's LoĒ-i89™ glass offers excellent light transmittance and low reflectance while maintaining low U-factor of 0. When people are evaluating building materials and acoustical products for sound reduction, they rely on the sound transmission class or STC rating of the product. On the Oct 18, 2023 · How to Read an OITC Rating Chart. Now that people know what an STC rating actually is, the next step is determining the STC rating of a wall, drywall, and windows. 6. Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. 24 Intercept or Cardinal horizontal slider 8120 8130 8170 size tested 6040-- - Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name: STC Ratings - Tuscany Location 6601 NE 112th Court Vancouver, WA 98662. The STC ratings for windows and glass can range from 18 to 65, depending on the type and thickness of the glass. 23 87 Insulating Glass Unit Performance for 1-inch (25 mm) units with 1/2-inch (13 mm) airspace and two 1/4-inch (6 mm) lites STC Rating Chart For Windows. Most of the time, an assembly’s OITC rating is lower than an STC rating. Drywall between double studs can dramatically reduce the STC rating of an assembly. Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. 24 / TDW: 0. What Is a Good STC Rating? An excellent rating is an STC of 60 or higher. 0 requirements. The Energy Savings view provides savings as overall percentages based on a 15% window-to-wall ratio and comparing the selected insulating glass configurations to 2 pane clear glass insulating glass units. Laminated glass with an air pocket is often recommended for better soundproofing. cardinalcorp. 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. Cardinal LoĒ² glass is ideal for all weather conditions in most climates. 25 / 1. In summer, its patented coating blocks around 85% of the sun’s harmful ultraviolet rays and 60% of the sun’s heat. STC Example : ¼” Monolithic glass has an STC of ~31dB. Inside Glass Surface Temperature (IGST): Measurement of the temperature of the glass surface (inside The definitions of two ratings: Sound Transmission Class or STC and Outdoor-Indoor Transmission Class or OITC; The project’s design requirements and how they impact the glazing system, and; How to calculate an STC or OITC rating; STC versus OITC. At JELD-WEN, for example, we %PDF-1. May 30, 2024 · Sound Transmission Class (STC) rating, calculated according to ASTM E413, measures the sound insulation of a window or door across the frequency range of 125 to 4000 HZ, primarily covering human speech frequencies. In the table, fi nd the glass thickness which is less or equal to the The first column is the rating of the door panel only; tested in a static inoperable condition to determine the sound transmission through the door. The Aspect Ratio is just the long dimension divided by the short dimension. Please contact your window supplier, builder or architect on how to obtain LoĒ² glass in your next window purchase. A rating of 40 would likewise correlate with a volume reduction to approximately 1/16th of the original level (1/2)^4 = 1/16). Learn more. We worry about the details while you enjoy the views. May 14, 2021 · It is hard for us to know how much DB noise has been blocked during transmission. A higher STC rating indicates superior sound insulation. 77 Prairie Center Drie Eden Prairie N 3 ENGINEERING THE FUTURE OF GLASS www. com Center-of-Glass Performance LBNL Window 7 er NFRC00 conditions. The higher the STC rating, the more sound will be dampened. Sound Transmission Class ratings. Outperforms tinted glass. Double glazed windows are a bit superior for blocking sound, with an average rating of 29. 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 The glass types listed below are included in the Laminated Glass offering. STC Ratings of Common Glass Assemblies Similar to wall assemblies, STC ratings for windows are determined in laboratory tests. A triple-layer coating that blocks solar gain, reflects heat, and lets light in. * Sound Transmission Class (STC) is a single-number quantity which characterizes the airborne sound insulation of a material or building element over a range of frequencies. Dec 31, 2024 · Gaps or weaknesses in the frame can compromise the STC rating. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. Two common acoustical rating systems are: Sound Transmission Class Rating (STC) – applicable to interior building partitions and viewing windows where the sound source is human speech and/or office equipment. Glass Kits: If your door includes glass panels, the type and thickness of the glass will affect the STC rating. 3 program. Cardinal 272/Clear U-Value – Imperial / Metric 0. This guide provides an introductory overview of glass concepts and terminology, plus technical information on Cardinal glass products for both windows and doors. This is usu- ally because there is a pronounced dip in the test curve and the STC rating is heavily influenced by a measurement in one fre- quency band. January 2020 Vitro® Architectural Glass (PPG) AGC Glass Guardian® Glass Cardinal® Glass Viracon® Saint‐Gobain NSG (Pilkington) Sungate® 400 ENERGY Select® 73 Plus SunGuard® Neutral 78/65 LoE‐180™ VE1‐85 Planitherm HNII Energy Advantage™ At Cardinal, we design and fabricate the most advanced glass products in the industry. Feb 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. Theoretically, STC ratings have no upper limit in range; however, logically there are some limitations. Values are center of glass calculated using LBNL Window 7 per NFRC100 conditions. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass.
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