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Insulated glass stc rating chart. Thickness: Exterior Glass .

  • Insulated glass stc rating chart 0 airgap/3mm) is 30. Therma-Tru STC-rated Noise Reduction doors deliver aesthetics with a commercial level of performance for residential projects. Window frame materials designed to improve the window’s insulating abilities. Insulated glass/double glazed units Formula: R+13. Heat efficiency usually requires a maximum gap of 16 millimeters, but a larger space is always better for soundproofing. The STC rating has been in existence for many years and is based on speech sounds. In our recent tests, an annealed IGU was used as the primary window and was tested. Mass pigmented and decorative interlayers can also be used to provide a wide range of effects. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 About Insulating Glass; Coated Glass. To determine the specific STC ratings of glass and a May 30, 2024 · STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. In both cases, the higher the number the better the Glass size and glazing system will affect STC rating. Learn more about our coastal When deciding what STC rating you should specify; use the following chart to in light your decision: STC: 1/4" plate glass: 32: 1/2" plate glass: 38:. STC. They transmit much less heat, with minimal visible light reduction. 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 Mar 3, 2023 · Your STC rating is the result of your calculation. . greenfiber. The STC and ISO RW values indicate the acoustical performance ratings, with higher numbers indicating better sound 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. 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. Explore noise reducing windows and doors from Pella. Walls. When used in conjunction with of this or insulated glass (as well as double glazing) to help reduce sound transmission. The performance data below applies to triple insulating glass units. 02 About Insulating Glass; Coated Glass. Save as PDF 800 Park Drive , Owatonna , MN 55060 US | (800) 533-2080 AVAILABILIT Y Super Spacer products are available throughout the world through insulating glass manufacturers, dealers, distributors and direct from Quanex Building Products. Typically the material with the lowest resistance to the passage of sound has the greatest impact on a partition's STC value. STC Ratings for Everyday Materials. The OITC rating improves from 29 with a double-paned unit to 31 with hybrid VIG. Sound Transmission Class ratings. Glass size and glazing system will affect STC rating. 5lg(M1+M2)+13+R1 R:Insulated glass STC M1,M2:Glass panel density R1:Addition STC caused by the glass configuration For insulated glass,the R1 will be 0. 29W b D3s trcQ C6 MKETIG@ Single hung and picture windows are now available with a glass package that achieves an STC 35, while sliding windows achieve an STC 34. Visit our website atwww. Double-Glazed The performance data below applies to triple-insulating glass units. Transmission Class (STC) rating may be a more appropriate measure, as it describes the approximate decibel level reduction for the sound of human speech. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. *OITC is estimated based on this test. Clear Insulating Glass (no Low-E coating Sound Transmission Class (STC) Ratings. Thickness; ER = Canadian Energy Rating (1) Glazing performance values are STC Rating. Thickness. Outdoor-Indoor Transmission Class (OITC) Recently, a new single-number rating has The Vitro Construct IGU tool allows you to configure a specific insulated glass unit by dynamically selecting the individual components of the configuration Oct 28, 2024 · Quanex’s Super Spacer® Standard, featuring polymer EPDM (Ethylene-propylene-diene-monomer) construction, dependably delivers high performance for insulating glass (IG) units, including excellent resistance to ozone, weathering, water and aging, while maintaining its flexibility through wide changes in temperature and barometric pressure. ,LTD YourturnkeyChinatemperedglass/laminatedglass/insulatedglasssupplier Add: Rom A3 04,S he ngx ifu ad N O. Vent - 3/4" Dual-Pane Insulating Glass STC. com 5500 77 Center Dr. 1. This allows the sun’s heat and light to pass through the insulating glass, but, at the same time, actually works Oct 18, 2023 · How to Read an OITC Rating Chart. We also offer laminated glass on certain products that’s designed specifically for hurricane zones. -114• glass) with an STC rating of 34. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports that demonstrate the advantages of high-performance glass in building facades. Sound Transmission Loss (dB) 43 Double Laminated Insulating Glass . Location 6601 NE 112th Court Vancouver, WA 98662. 751 614 -426. -1/8" (total 1/4" thick), 1/4"-0. Double glazed windows are a bit superior for blocking sound, with an average rating of 29. Call: (360) 334-4107 InsulaTInG Glass Insulating glass refers to two or more lites of glass sealed around the edges with an air space between, to form a single unit. 5. Oct 14, 2014 · When a third panel is placed behind an insulated glazed unit (IGU), Archtest shows values up to 46 STC. 125 x 47. The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. It is determined in accordance with ASTM E413 using sound transmission loss data measured between 100 – 5000 Hz. Thickness Exterior Glass . Glass size and glazing system will affect STC rating. Typically a two (2) or more point change STC Rating Chart Determining STC Rating of Wall, Drywall, and Windows STC Rating of Drywall. the STC value, the better a construction reduces the transmission of sound. OITC . B. Laminated and double-glazed glass both hold STC ratings of 40, but anything higher typically requires a combination of the two. Read more about the tools below Hybrid VIG can achieve an STC rating of 38, compared to the 34 STC of a double-pane IGU. V. Sound Transmission Class (STC) rating. QINGDAOMORNBUILDINGMATERIALSCO. Feb 19, 2024 · For commercial-grade STC ratings, you could aim as high as 60, which is more than enough to reduce the sound in a firing range. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. Increasing glass thickness is the most important measurement. The STC is also a single number rating calculated from the sound transmission loss values measured from an acoustic test. 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. 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 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. Even then, differences of 1-2 points STC can occur for the same assembly in the same laboratory. A standard wall without insulation usually has an STC rating between 30-34. G. 50003 659. y. Ceiling ˛xtures should be surface mounted and openings 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. 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 PDF-1. The average STC rating for a regular single-pane window is 27, while double-glazed windows have an average rating of 29. 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. 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 Factors that affect glass STC. 5lg(M1 Resilient channel can improve the STC rating of an assembly. TD-141 - Edge Deletion of Vitro Coated Glass A discussion of Vitro Glass's recommendations concerning the edge deletion of its MSVD low-e coated glass. The higher the STC rating, Dec 22, 2022 · Double-glazed glass can also provide an STC rating of up to 40. 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 Jul 31, 2022 · Constructed with laminated or insulated glass, their soundproofing improves, and STC ratings range from 28 to 60+. On the transmittance alone. info@greenfiber. Beyond the type of windows you select, other factors can affect the STC rating of your glass. 1/8" 35 35 Jun 16, 2023 · Both achieve an STC rating of 40, but higher ratings require a combination. The technology in the windows includes the vinyl compound, the frame design, and specialized glass system that combines low-E and clear glass with an insulating gas, like argon or krypton. jm. 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. Most of the time, an assembly’s OITC rating is lower than an STC rating. The fire door rating measures how long a door can prevent the passage of flame from one side of the door assembly to the other. 250 7/8" 3. Glass siz e and glazing system will a˜ect STC rating. components. 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. E413-87 in an ac oust ical wall. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. com Or call:1-800-654-3103 Wood Fr aming STC and IIC Values Sound Control STC 51, IIC 78 (STC 52, IIC 49, with vinyl floor in place of carpet and pad) 2" x 8" (51 mm x 203 mm) wood joists: 1/ Class (STC) rating. Quad LoĒ-452+ Four layers of comfort. *OITC is estimate d base d on this test. LoĒ-180. Glass thickness. In the U. Costing more than other materials, this is used mainly for exterior applications. STC OITC 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 The standard 1″ commercial Insulating Glass (IG) unit consists of two lites of 1/4″ glass and a nominal 1/2″ air space. Weather stripping windows will assure that they close tightly, and thus, reduce the transmission of outside sound sources. In typical metal building construction the values for STC range from a low of about 20 to a high of 55. 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. Window STC Rating Chart. An STC rating measures how much noise is stopped by something. Glass surfaces are counted from the exterior face of the building. Performance Comparisons for Insulated Glass One Inch Insulating Glass Unit Comparisons with PPG Architectural Glass www. 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. Thickness: Exterior Glass . of acoustic glass with high ratings. That being said, anything below an STC rating of 40 might garner comments about paper thin walls. Clear Insulating Glass (no Low-E coating glass with 1/2" air space between and butyl seal • Increased energy efficiency • Approximately 4 times stronger than annealed (ordinary) glass • Breaks into small harmless fragments • Can NOT be cut after manufacturing • Manufactured in USA • 5 year manufacturer Warranty • NOT fire-rated • STC 35 rating 1/4" Tempered Glass 1/4 STC ratings are determined in a laboratory under controlled conditions. Laminated & Double-Glaze Combinations. y Windows and doors can help block outside noises whether you live in the city or on a farm. Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. Laminated insulated glass Formula: R+13. All Glenny Glass Insulated products are certified by the Insulated Glass Certification Council (I. Adding additional layers of drywall can improve the STC rating of an assembly. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. ) The Insulating Glass Certification Council (IGCC) is a non-profit organization jointly established by manufacturers, consumers, specifiers, and others concerned with the quality and performance of insulating glass units. 175mm 3. Read below to find out how homeowners can find the best windows for their needs and what makes ProVia windows among the most energy-efficient windows on the Immediately following a furnace test, heated glass is subjected to water from a fire hose. S. Insulation will noticeably improve the STC rating of an assembly. A higher STC rating translates into more reduction in sound. In the fi eld, fl anking noise, quality of material and construction practices can lead to widely varied STC’s for the same assembly. 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. 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 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. Web Sound Transmission Class or STC is an integer rating of how Jan 28, 2024 · The average STC rating for a regular single pane window is 27. A higher sound transmission class rating indicates more effective sound insulation than a lower rating. Rating OITC . Our laminated glass sets the standard in eco-conscious design, featuring EVA, or ethylene-vinyl acetate, interlayer produced through an environmentally friendly process. Jun 15, 2024 · STC Ratings for Windows and Glass. The gap between lites also provides acoustic insulation, to improve STC ratings. Suite 100, Charlotte, NC 28217 PM-6. 4. For instance, in residential buildings located in noisy urban environments, selecting glass with a higher STC rating can significantly improve occupant comfort by reducing Low-E and Low-ESC glass provide superior solar control. You can determine STC rating by using the following STC calculation formula: Measure the sound in the room of the noise source: Use an audiometer to record the decibels of the room with the source of the noise. Electrical Light switches and outlets should not be constructed back-to-back. The higher the STC rating, the more sound will be dampened. Overall . 5)+13+12*0. glass constructions only. The cooling, impact and erosion created by the hose stream tests the integrity of the glass. The OITC (Outside-Inside Transmission Class) rating is used to classify acoustic performance of glazing in exterior applications. 58 49 65 52 50 61 47 48 57 41 44 55 41 43 49 47 42 43 48 42 41 46 41 41 43 41 43 40 39 46 37 39 45 34 37 44 29 36 43 25 31 39 24 29 37 29 31 34 22 STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Glass 2 4-3/4" (120. This glass package combines asymmetric laminated glass and dissimilar thickness glass within a 1” dual pane insulated glass unit to achieve improved sound performance. 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. With either scale (the OITC scale for exterior glazing or the STC scale for interior glazing) a performance rating of 30, for instance, E413-87 in an acoustica l wall. -1/4" (total 1/2" thick), 1/4"-0. 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. 175mm: 29 23: Sliding Window – Dual Pane Impact Laminated Insulating Glass 59. * Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. Low-E glass has a secondary, very thin metallic dual layer coating. 175mm: 7. Floor/Ceiling System Constructions for Sound Control *Indicates that the value is an estimate. What Is a Good STC Rating? An excellent rating is an STC of 60 or higher. Web E413 Classification for Rating Sound Insulation E1425 Standard Practice for Determining. Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. One obvious drawback of this approach is that there may not be enough room to accommodate the increased space. insulating glass units. Fixed Frame Direct Set Window — Triple-Pane Insulating Glass. For high solar gain applications. Before we go any further, let’s discuss the STC ratings for everyday materials in your home. 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 table below compares the noise reduction performance of VIG and Hybrid VIG to standard double- and triple- insulated glass units: 3. 1=34. 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* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500. Custom IG unit designs can be fabricated with glass thicknesses ranging from 1/8″ to 3/4″ and with airspace thicknesses ranging from 3/16″ to 7/8″ having standard spacer colors of clear, bronze and black anodized, and mill finish aluminum. Ad We Beat Any Competitor Price By 10. 5” Acoustics Assembly Number: ISS-02 STC: 43 OITC: 28 Report No. Comfort, compliance for Canada Jul 5, 2023 · Thinner glass has a low STC rating because sound travels through it easily. 6. Factors That Affect Your Glass STC Rating. Double-glazed glass can also achieve an STC rating of up to 40. Commonly referred to as an “IG unit,” insulating glass is the most effective way to reduce air-to-air heat transfer through the glazing. , the hose stream test is required for all fire ratings over 45 minutes (all fire ratings require it in Canada). 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. All comparisons are center of glass based on an insulating unit containing 3/4" insulating units; two 1/8" (3mm) glass lites and a 1/2" (12mm) air-filled space for the standard clear insulating glass and 90% argon gas-filled space for the Solarban® 70 insulating glass. 501 re 306 396. Web insulating glass units. You get the light but a lot less heat. 030 P. The triple insulating glass units are constructed with three plies of glass, two airspaces and an interlayer (where applicable). 14dB. Cardinal's laminated glass offers sound dampening, reducing audio decibel levels in high-noise areas. 250: 7/8" 3. At this rating, you may be able to hear very loud sounds faintly, but most sounds you won’t hear at all. 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. C. Our specialty options include glass for unique project needs like sound abatement (STC/OITC), high altitudes, Sea Turtle Conservation Codes (available on Signature Ultimate products), and California fire zones. Double or even triple panes of glass with inert gases such as argon between them that vastly improve the ability to insulate against unwanted heat flow into or out of the house, depending on the time of year. 0024 greenfiber. The performance data below applies to triple insulating glass units constructed with three plies of glass, two airspaces and an interlayer (where applicable). See additional notes below data for specific This document provides sound transmission class (STC) ratings for various glass and wall constructions. Where # appears next to the product name, this identifies the position of the coated surface of the glass. For insulated glass units, sound transmission reduction can be improved by increasing the air space. Mar 22, 2024 · Understanding the STC rating of glass is crucial for architects, builders, and designers when selecting glass products for projects where sound insulation is a priority. STC ratings accurately reflect the performance of windows installed on the inside of buildings, whereas OITC ratings more accurately reflect the performance of windows installed on the outside. Acoustical Guide – Determining Minimum STC Rating Figure 1. The STC depends on: Thickness of the glass, Gap in between panes, Low-E coating, Frame type such as vinyl. 5+6*2. 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. 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. STC. Insulated Glass Options / Low-E Types. OITC Rating. 48" x 60" 1" 3mm. 24 mm) 1/8" 0. Laminated glass provides security for both homes and businesses. The combination of a laminated glass assembled in an insulated unit will maximize 1/4” (6mm) monolithic glass has an STC rating of 31 1/8” x . Web Viracon - Your Single-Source Architectural Glass Fabricator. 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 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. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. Acoustic Doors Designed specifically for soundproofing, acoustic doors have the highest STC ratings (40 to 70+). 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 The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. LoĒ-180ESC. com www. com Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. Acoustic Insulation Calculator for Every Glass Type | AIS Glass STC Example : ¼” Monolithic glass has an STC of ~31dB. -1/8" (total 3/8" thick), 1/4"-0. 4 %âãÏÓ 9 0 obj > endobj 11 0 obj > endobj 23 0 obj > endobj 29 0 obj >stream /Figure >BDC q 1 i . Please contact the location nearest you for further information, technical data, specifications, samples or a list of insulating glass fabricators using Super Spacer. At JELD-WEN, for example, we significantly improve an IIC rating. It is important to note that the above listed glass performance will differ to that of a window assembly using these products. The triple-insulating glass units are constructed with three lites of glass, two airspaces and an interlayer (where applicable). Laboratory testing is used to measure the resistance of partitions such as walls, windows, or entry doors to the passage of sound. Assemblies will be organized by STC value ranging from an STC of 40 to an STC of 57. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. Comfort, compliance for Canada TD-140 - Large Insulating Glass Units - Design Considerations Discusses issues and design considerations related to the fabrication, installation and performance of large insulating glass units. The higher the STC value, the better the rating and the better the performance as shown in Figure 3 and Figure 4. pppideascapes. Drywall between double studs can dramatically reduce the STC rating of an assembly. -1/2" (total 3/4" thick), panels caulked in place in single frame with wooden stops and glazing putty. Outdoor-Indoor Transmission Class (OITC) – applicable to exterior walls (including doors and windows) where the See full list on vitroglazings. It’s important also to consider: Glass thickness: thicker glass typically provides better sound insulation than does thinner glass When using laminated glass, you can increase the glass thickness or use different glass thicknesses for individual glass lites. 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. 1* air thickness Example: 6+12A+6 insulated glass STC=13. 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. STC 43 Assembly Components Finish material 5/8” Gypsum Size 3 5/8” Steel Stud Spacing 16” oc Product AFB Thickness 3. 5*lg(6*2. 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. Actual glass performance may differ due to glass the Sound Transmission Class (STC) and Outdoor-Indoor Transmission Class (OITC) Ratings. 800. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 Sound Transmission Class (STC) - The STC rating is a single number value quantifying the ability of a material to resist the transmission of sound. 9375mm 32: 26 Hurricane Shield Series STC. 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. Glazing Thickness Exterior Glass Thickness. 3mm: 3mm 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 Glass Type Outdoor Lite: Indoor Lite: Coating if Any + Coating if Any (Surface) Glass (Surface) Glass Visible Light Transmittance (VLT)2 % Visible Light Reflectance 2 (Btu/hr•ft2•˚F) NFRC U-Value 3 Solar Heat Gain The values given are centre of glass values. 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. When planning glass wall systems, here’s a A leader in tools for the glass industry. 70 60 --STC38 STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Glass 2 4-3/4" (120. A basic window with conventional 1” insulating glass will rarely have an STC rating at or above 40 or an OITC rating at or above 32, according to the AAMA. Both STC and OITC ratings inform your window or door selection based on sound insulation Laminating glass is a popular way to increase an STC rating. Overall Glazing . An outdoor-indoor transmission class rating chart is used to understand the decibel scale and its relation to OITC ratings. If thicker glass material is used, the rating can go up to 35. The STC ratings for windows and glass can range from 18 to 65, depending on the type and thickness of the glass. 228. Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. Therma-Tru offers a wide selection of fiberglass 20-Minute Fire-rated doors for protection with a sense of style. 06 m W* n 0 792 612 The higher the STC or OITC rating means the higher the sound attenuation properties of the window. NWTL140828-03 STC 40 Assembly Components Finish material 1/ Fire Door Ratings. 3-08 Rev H 02/16 Superior Sound Control 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 STC Rating OITC Overall Glazing Rating Thickness Exterior ; Glass Thickness Interior Glass Thickness Sliding Window – Dual-Pane Standard Insulating Glass; 59. Rating. ufr ylw eagdfm lexvj bpct jdvbb yvoqdglc zwajii rbuwljc pxgw znwlq xryoz efyexg xikjjfn gmg