Tempered glass stc rating calculator Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. Tempered Glass (Heat Treated): Standard thickness: 1/4”. It’s important to Efficiently plan your glass projects with our Glass Load Calculator. The Guardian Glass visualizer dynamically generates photo-realistic images of both exterior and interior glazing views. Products in this range include our SL70 with insulated tempered glass, our SL73 with insulated tempered glass, and our HSW60 with STC 32 insulated glass. The values given are centre of glass values. Argon fill is 90% 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. If it’s double-paned, that goes up to 28. Additional Technical stress properties of laminated glass and monolithic tempe - red glass. Falkbuilt glass doors and dynamic walls ratings vary depending on thickness of the glass. In bustling city centers, near airports, or close to railroads, STC IGs are often considered due to their noise-reduction capabilities. 7 %µµµµ 1 0 obj >/Metadata 422 0 R/ViewerPreferences 423 0 R>> endobj 2 0 obj > endobj 3 0 obj >/ExtGState >/XObject >/ProcSet[/PDF/Text/ImageB/ImageC STC rating (Sound Transmission Class rating) is a score given to a building’s surface (wall, ceiling, window, etc. How to Increase Window STC Rating. Password Triple pane doesn’t necessarily mean a window is more energy efficient. Windows significantly impact Sound Transmission Class (STC) ratings because they can either enhance or diminish the overall sound insulation of a building. 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. Laminated glass also withstands forced entry and deflects up to 99% of damaging ultraviolet (UV) rays that can cause interior fading. Options EPE (Plastic Edge): HPDL edges. 8 operated by Lawrence Berkeley National Laboratory (LBNL) using International Glazing Database (IGDB) v102. 0; Online glass U-value calculator: V1. electrics • Power and Data capability • Hard-Wired and Modular connections. The STC rating determines how effectively the glass can block sound transmission. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. TD-128 - Laminated Glass - Thermal and Optical Properties Offers performance tables for selected laminated Vitro Glass products; TD-129 - Temporary Protective Overcoat Discusses the proper handling, washing and disposal Technical Glass Guide Update 6/15/21 – Version 3. High STC rated windows are designed to minimize sound transmission by incorporating multiple layers of glass, specialized framing, and insulating materials that reduce noise from the outside. 14PVB+16A+6 STC=13. Lite opening Tested with 3/4 in (19 mm) sound laminated thermo glass installed by Lambton Doors. 1-7/8" overall - 1/4" glass, 1/2" airspace, 1/4" glass, 1/2" STC. Factors That Affect Your Glass STC Rating. 29W b D3s trcQ C6 MKETIG@ than glass, including the framing, the glazing gaskets/sealants, insulating glass unit spacer and sealants, and possibly interlayers. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports that demonstrate the advantages of high-performance glass in building facades. CA Sign in with your username and password. IQ: Insulating Glass Widely used STC The standard 1″ commercial Insulating Glass (IG) unit consists of two lites of 1/4″ glass and a nominal 1/2″ air space. Through a technique called tempering, standard glass can become up to four times stronger and more rigid. 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). Single tempered glass panel configurations; - 3/8” Tempered Glass panel STC 34 - 1/2” Tempered Glass panel STC 36 Single laminated glass panel configurations; - 3/8" laminated glass with a 1/8" P. Lambton Doors' EDGEFENDER: High impact resistant edges. txt) or read online for free. Call Us: (800) 452-6117 Fax: (360) 892-8152 float glass (also called “flat” glass) that has not been heat-strengthened or tempered is annealed glass. 060 P. [ ] Review and Interpret Results: Analyze the STC rating to ensure it meets your soundproofing needs. • All values shown are glass only. Nov 11, 2024 · Acoustical rating STC43. Explore precision and reliability in glass solutions at OneDayGlass. Where # appears next to the product name, this identifies the position of the coated surface of the 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 insulating glass units. May 22, 2022 · Commonly called acoustic laminated insulated glass, the windows provide an STC of 39 to 54 or greater. Calculate the weight of your glass and mirror products in a few easy steps! Customize your glass below with shape, size, thickness, edges, and more. 8) sightline; Front, center, back or multi-plane glass applications May 6, 2021 · They have a much higher STC rating than standard windows. Annealed Glass Tempered Glass Learn about Annealed / Tempered Glass. Compare the • STC 31 rating Insulated Tempered Glass • Impact safety-rated: complies with IBC requirements for use in doors. • 1/4” thick clear heat treated glass • Approximately 4 times stronger than annealed (ordinary) glass • Breaks into small harmless fragments • Can NOT be cut after manufacturing • 11" minimum height • Manufactured in USA • NOT fire-rated • STC 31 rating Insulated Tempered Glass • Impact safety-rated: complies with IBC Oct 30, 2024 · Tempered Glass . Find the right glass for your home's windows. While STC and OITC ratings are published for various glass configurations, accurate ratings for the Laminating glass is a popular way to increase an STC rating. As tempered glass can withstand heavy external loads, thermal stress and extreme conditions, it can be used for various industries, from architecture to interior design. s. Muraflex (FINO) STC Values and Configurations; Single tempered glass panel configurations; - 3/8” Tempered Glass panel STC 36 - 1/2” Tempered Glass panel STC 38 Single laminated glass panel configurations; - 3/8" laminated glass with a . Hybrid VIG can achieve an STC rating of 38, compared to the 34 STC of a double-pane IGU. Doors can be glazed with non-safety rated glass by. pdf), Text File (. V. stress behavior and laminate deflection behavior). 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. • As a guide when frames are included, the Rw values shown will decline. 667 in 2 (0,43 m 2) maximum, otherwise STC Rating will be affected. For windows, STC ratings range from 18 to 38. Compared to standard double-pane units, VIG delivers superior Sound Transmission Class (STC) and Outdoor-Indoor Transmission Class (OITC) ratings. Jul 15, 2021 · Online glass U-value, SHGC & shading coefficient calculator: V2. offering for fire rated doors up to 90-minutes. See additional notes below data for specific How to Calculate the Glass STC - Free download as PDF File (. VAT Number GB 544 939 018. a / canada iconsa us / uk icons ated tempered glass use monolithic tempered glass use laminated toughened glass use monolithic toughened glass u. Both STC and OITC ratings inform your window or door selection based on sound insulation 1/4” (6mm) monolithic glass has an STC rating of 31 1/8” x . Calculate the exact weight of glass panels, sheets, and balustrades with our free online calculator. 0 is part of Guardian Plus, a business support programme for the glass and glazing industry within the UK and Ireland, that offers online support ranging from (instant) responses to technical enquiries to in-house or external training in glass and glass-related topics. In this case select a value which is 3-4 Rw points above required total window value for stc range from 39-47 or use laminated tempered glass use monolithic tempered glass use laminated toughened glass use monolithic toughened glass u. STC rating goes from 25 – 65. V Hurricane impact tested on shutter application only; 4-1/2″ (114. • The higher the Rw value the better the acoustic performance. 24 mm) 1/8" 0. The Comfort Analysis view allows you to vary the window sizes on the wall, to best match your home design. (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" Tempered Glass 1/2" Air Space 1/4" TEMPERED GLASS 1/4" Thick Clear Heat Treated Glass Approximately 4 Times Stronger Than Annealed (Ordinary) Glass Muraflex (FINO) STC Values and Configurations; Single tempered glass panel configurations; - 3/8” Tempered Glass panel STC 36 - 1/2” Tempered Glass panel STC 38 Single laminated glass panel configurations; - 3/8" laminated glass with a . Seals and Gasketing: Even the highest-rated door will perform poorly without effective Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. Based on unit size, some products will use 2. 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. 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. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. Increasing glass thickness is the most important measurement. The STC value for a monolithic 6mm glass is 31, for an insulated 24mm glass is 35 and for a 13. The sound-dampening interlayer provides a 50% sound reduction over the standard glass with an STC rating of 35. The cost, however, may be prohibitive. Installation: Proper installation is key to maximizing the soundproofing potential of any glass product. a / canada ic onsa us / uk ic s We would like to show you a description here but the site won’t allow us. Glass coatings, the type of gas used in the spaces between the glass, the design of the window, the materials used, and how well it is installed all play a role in achieving the overall energy efficiency. V stc range from 39-47 or use laminated tempered glass use monolithic tempered glass use laminated toughened glass use monolithic toughened glass u. integration • Drywall/base building • Optos, Focus and Tek Vue May 30, 2024 · STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing 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. Our glazed partitioning systems are tested at a certified laboratory to ensure reliable STC ratings. STC 37 - 1/2" laminated glass with a 1/8" P. Nov 29, 2024 · Glass type: Laminated glass typically outperforms tempered or standard glass for soundproofing. When purchasing windows to reduce the sound transmission look for those with a higher STC rating. TEMPERED GLASS Fully tempered glass is approximately four times stronger than annealed glass of the same thickness advantages of tempered glass include: Figure 2: shattered tempered glass • Tempered glass is more impact resistant than standard or laminated glass. Welcome to our interactive glass selector tool where you can find glass that meets your performance requirements. gov for Energy Star guidelines. 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. This is primarily thanks to the air gap, which is a great acoustic insulator. STC 39 - 1/2" laminated glass with a . A large amount of glazing configurations means the perfect glass can be yours. 5*lg(6*2. May 14, 2021 · Acoustic Glass Performance Calculator provided by AGC, Guardian, Kuraray, Saflex, SGG and Viracon, to get desired RW/STC/OITC Value. Soundproof windows have thicker glass than their non-soundproof counterparts. Find a School Guard Glass product data spec sheet for your project here. The rating covers the sound sources generated in building interiors Dec 31, 2024 · Gaps or weaknesses in the frame can compromise the STC rating. Glass surfaces are counted from the exterior face of the building. Double-Glazed Jun 16, 2023 · Both achieve an STC rating of 40, but higher ratings require a combination. *OITC is estimated based on this test. glass that is grooved then tempered. Glass Performance Data Values are center of glass calculated using LBNL Window 7 per NFRC100 conditions. . OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. Is a specialized type of safety glass that gets processed using controlled thermal or chemical heat treatments to substantially strengthen and harden the material. There are different ways to improve the STC rating of windows. Sound Transmission Class ratings. STC ratings are used for windows doors, walls & most building materials. B. 030 P. It’s important also to consider: Glass thickness: thicker glass typically provides better sound insulation than does thinner glass A leader in tools for the glass industry. The STC ratings allow accurate 'apple to apple' comparisons. A3000 Series Sliding Glass Doors (1) Restorations Series V5500 (1) STC Ratings (2)Zip file Installation Instructions (5)Zip file. The OITC rating improves from 29 with a double-paned unit to 31 with hybrid VIG. EN ISO 1288-3 is a useful test for studying laminated glass, including load-bearing capacity (i. Example: 6+1. HS glass cannot be cut or drilled after heat-strengthening and any alterations, such as edge-grinding, sandblasting or acid-etching, can cause premature failure. An STC rating is an instrument measurement of how much noise is stopped. 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 Phone: 888-815-9691. Email: info@commercial-acoustics. Double-Glazed Sep 8, 2023 · However, the addition of a second pane of normal glass improves the STC performance compared to single-pane glass. 1/8" 35 35 safety glass product. Glass size and glazing system will a ect STC rating. 0; Online glass U-value, SHGC & shading coefficient calculator: V2. A regular window has an STC rating of 27. 5mm glass that may have improved glazing performance from what is shown. * Generally, yes. 9 mm) 1/2" 0. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. To get started, input your required performance data below. glass options • 6mm framed glass only • Tempered and Laminated • Clear, Frosted finishes. STC ratings are the ONLY way to accurately compare various noise reduction products. energystar. Laminating glass is a popular way to increase an STC rating. Registered Office: Saint-Gobain House, East Leake, Loughborough, Leicestershire, LE12 6JU. Mass pigmented and decorative interlayers can also be used to provide a wide range of effects. Meets ANSI Z97. 85 NRC . These tests are defined in EN ISO 1288-3 stan-dards and ASTM C158. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. STC 36 - 3/8" laminated glass with a 1/4" P. Wired Glass: VT will only glaze with safety rated version of wired. For instance, in residential buildings located in noisy urban environments, selecting glass with a higher STC rating can significantly improve occupant comfort by reducing 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. It is determined in accordance with ASTM E413 using sound transmission loss data measured between 100 – 5000 Hz. The higher the STC rating, the more sound will be dampened. ) based on its ability to reduce sound coming through it. You can also add some other chemical compounds, like magnesia, alumina, potash, iron oxide, and lead oxide, which, depending on their proportions, can also improve the glass's strength and durability. 1 Class A and CPSC 16CFR 1201 (CAT I and II) • 1" thick - consists of two pieces of 1/4" thick clear tempered glass with 1/2" air space between and butyl seal • Increased energy efficiency A leader in tools for the glass industry. GLASS SHELF WEIGHT LOAD CALCULATOR . Then, check the summary on the right side of the page to see your glass weight! You can even buy your glass online with free, easy home delivery! Jul 5, 2023 · Thinner glass has a low STC rating because sound travels through it easily. com. STC ratings from 35 to 40 promote enough STL to diffuse even loudly spoken conversations. Acoustical Guide – Determining Minimum STC Rating Figure 1. Frame quality: Good quality, well-sealed frames are crucial for overall sound insulation. STC ratings are used for windows, doors, walls and most building materials. Nov 29, 2024 · 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, 3 rd Edition Consult an acoustic consultant or acoustic window manufacturer if 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. You would have to do more serious calculations to find the right answer, or test the blanket + window assembly, but essentially you just need to know these two things: The STC rating of a soundproofing product is the rating of the product alone. The Oct 10, 2024 · If the window has an STC rating of 30, the final STC with the addition of the blanket is not 65. 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. With either scale (the OITC scale for exterior glazing or the STC scale for interior glazing) a performance rating of 30, for instance, Use the calculator to model the thermal and optical properties for your glass substrates, coatings and interlayers. 3) deep with a 2″ (50. • Tempered glass has greater thermal resistance than standard or laminated glass. 52mm laminated glass is 39. This rating will give you an idea of how effective your chosen materials or construction methods are at reducing sound transmission. Factors Affecting the STC Level on Site. % 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. • Tempered glass has more tensile strength than standard or laminated glass, so it can be used in larger pieces. [ ] Calculate the STC Rating: Let the calculator process the data and compute the STC rating. The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. Factors that affect glass STC. This rating is based on how much sound is blocked across a range of frequencies, usually from 125 Hz to 4,000 Hz. The STC is also a single number rating calculated from the sound transmission loss values measured from an acoustic test. Page 2/3 Acoustic Technical Information Float mm Rw (dB) 3 , 4 30 5 , 6 31 8 34 10 35 12 37 19 39 Duo Plus™ IGU with Float mm Rw (dB) 4/12/4 32 5/12/5 33 • Glass STC ratings up to 46 STC • Solid STC ratings up to 48 STC • NRC ratings up to . You can use tempered glass for: Interior design elements, such as walls, partitions and railings ; Shower enclosures ; Sliding doors and windows This calculator makes it easy for you to perform preliminary assessments of the Wind Load resistance of single glazed, annealed (not heat treated) window glass, with various edge support conditions, according to the ASTM E 1300 standard. Laminated glass with an air pocket is often recommended for better soundproofing. Jul 17, 2024 · Incorporating boron trioxide into the mix will yield a borosilicate glass which is more thermal shock-resistant than regular soda-lime glass. SAFETY GLASS. Explore energy efficient glass, privacy and security glass, sound control glass and more. Perfect for architects, contractors, and DIY projects. 1″ Overall Thick Clear Insulated Glass, Two Panes of Tempered Glass with a Metal Spacer in a Sealed Insulated Glass Unit. 1. Call Us: (800) 452-6117 Fax: (360) 892-8152 Efficiently plan your glass projects with our Glass Load Calculator. e. How It Works: The technology behind STC Glass involves combining dissimilar glass thicknesses to attenuate the noise to form the IG. Then easily create client-ready reports comparing glass options. QINGDAOMORNBUILDINGMATERIALSCO. Inside Glass Surface Temperature (IGST): Measurement of the temperature of the glass surface (inside Basic Info Tempered glass is one kind of safe glass being produced by the heating flat glass to its softening point. 5. STC 38 - 3/8" laminated glass with a . others where the building code allows its use. In addition, proper installation is critical to ensure that sound does not enter through poorly fitted components. Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. 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. A soundproof window, on the other hand, has a rating of at least 45; some even score well into the 50s. 0. ,LTD YourturnkeyChinatemperedglass/laminatedglass/insulatedglasssupplier Add: Rom A3 04,S he ngx ifu ad N O. Visit www. 5+6*2. The order of sound insulation performance from poor to excellent is: monolithic glass < laminated glass <double insulated glass < triple insulating glass< ion STC caused by the air. applied load-glass . 1 Glass Type. STC 38 For example, if an 80 dB sound on one side of a wall/floor/ceiling is reduced to 50 dB on the other side, that partition is said to have a STC of 30 dB. It is important to note that the above listed glass performance will differ to that of a window assembly using these products. Glass Performance Calculator . rd from outdoor to indoor. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500. 3 software and represents center of glass performance data. Beyond the type of windows you select, other factors can affect the STC rating of your glass. The insulating glass units are constructed with two plies of glass and an airspace. Glass thickness. 0 This guide provides an introductory overview of glass concepts and terminology, plus %PDF-1. Read more about the tools below STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Glass 1 3/4" (19. Sound Transmission Class (STC) rating. 1/4" 41 41 Some STC ratings of common window assemblies are listed below. As you can see, 1” dual-pane glass has the same STC rating as a single pane of acoustic glass. Aug 11, 2015 · The new Acoustic Calculator 2. The soundproofing rating for most standard homes is 33 STC, while soundproofing for studios must be at least 45 STC. All performance data is calculated using LBNL Window 7. Address: 6301 N Florida Ave Tampa, FL 33604 Saint-Gobain Glass (United Kingdom) Limited, registered in England, Company Number 2442570. Standard for VT supplied laminated ceramic glass. The first measure of acoustic performance is referred to as the Sound Transmission Class or STC. Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. Read more about the tools below May 13, 2024 · The lower the rating, the less transmission of energy that causes fading. One of the features of glass is sound proof,whether it’s single glazing, laminated glass,insulated glass or even laminated insulated,the glass can reduce the sounds transferrd from outdoor to indoor. Two Panes of tempered glass with a metal spacer in a sealed insulated glass unit – Each Pane: 3/16″ Clear, colorless, intumescent inter-layer; Heat-treated clear safety glass that breaks into small particles Sep 28, 2024 · What is Tempered Glass? Tempered glass, also referred to as toughened glass. Glass size and glazing system will affect STC rating. 2 Dimensions. Transmission Class (STC) rating may be a more appropriate measure, as it describes the approximate decibel level reduction for the sound of human speech. Discusses strength of V-grooved glass, compares glass that is tempered then grooved vs. Check with your framing system supplier for total window values. 0; Comments or feedback? Please feel free to leave your comments or feedback to this online calculator in the “Leave a Reply” section at the bottom of this page. Then on its surface forms the compressive Phone:0086-400-089-8280 Jun 27, 2018 · Products with a rating of 30 to 35 STC can reduce the volume of normal speech to a quiet murmur. When planning glass wall systems, here’s a 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 The difference in sound levels is used to calculate the STC rating. glass. For pair and transom, the STC rating will be affected. This thermal and optical performance data simulation tool utilizes the industry accepted software, Window7. Window and guardrail components assembled at factory; guardrail glass installed onsite, from interior of building; Fully tested and meets International Building Code (IBC) 2021 guardrail design load requirements; Tempered glass guardrail (SGP interlayer) with chamfered top edge; Does not impact window's thermal performance Calculate the exact weight of glass panels, sheets, and balustrades with our free online calculator. 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. annealed glass can be cut, machined, drilled, edged and polished. Tempered 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. Username. Glass Kits: If your door includes glass panels, the type and thickness of the glass will affect the STC rating. tusgil anudb fmjfzc sfs njcc imvll eksjcb pckvd cbyru lfsw wffseje qouh engifhp bwo rkewc