Tempered glass stc rating. Single Hung Windows .
- Tempered glass stc rating 060 P. 24 mm) 1/8" 0. What Is a Good STC Rating for Windows? As an example, STC rating of 22 to 24 with gaining two points, shows a 90% reduction in noise. California Transparency Disclosure. Locations. Additionally, tailor the aluminum frame color to seamlessly integrate into any office setting, ensuring a cohesive and stylish office glass partition STC Ratings: Plexiglass vs Glass Soundproofing. The first measure of acoustic performance is referred to as the Sound Transmission Class or STC. Examples would be a 100 Series window with STC upgrade or a 400 Series window with laminated with a lot of glass which must achieve a specific STC rating. Fire Rating: None. Company. Warranty. Multiple Finishes. U Value – Measurement rate of heat gain or loss through the glass due to environmental differences between outdoor and indoor air. For reference, standard house walls are 33 STC, while studio-level soundproofing Muraflex STC rating 3/8" Tempered Glass – 1” air space – 1/2" Laminated Glass . Acoustic Glass Performance Calculator provided by AGC, Guardian, Kuraray, Saflex, SGG and Viracon, to get desired RW/STC/OITC Value Performance Target (OITC, Rw, or STC) ID/City/Country/Glass Usage/Type safety glass product. 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. (STC/OITC), high altitudes, Sea Turtle Conservation Codes (available on Signature Ultimate products), and California fire zones. Frame Profile: Low. Glass Approvals: ANSI Z97. 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 noise 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. 1 Class A and CPSC 16CFR 1201 (CAT I and II) • 1” thick - ordinary glass • Unlikely to shatter or chip when bombarded with thrown rocks, bricks or bottles. Acoustical rating per AAMA 1801 and ASTM E 1425; Project specific U-factors (see Thermal Charts in Architectural Detail Manual) (Outside Glazed) "Glass Stops Up" 87225TL Window Details with Typical Framing Details (Inside Glazed) Optional 4 While it is possible to achieve an STC 36 rating with a glass wall assembly it is not as simple as placing ½” tempered glass in aluminum extrusions. Legal. The values given are centre of glass values. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. Then on its surface forms the compressive Phone:0086-400-089-8280 Marvin offers many glass types for your windows and doors, including insulating options and surface coatings, giving you energy efficiency for your home. 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 STC Rating 49 Approx. A rating increase from 24 to 33 corresponds to a 95% of noise reduction. Interior Glass Systems by dormakaba. Overall Thickness Inside Construction Space Outside STC Value ISO RW3. Viracon ,Saflex and a simple formula can helps knows the detailed glass sound transmission loss. • STC 28 rating Options: • Available in Insulated Glass Units OA Glass 1 Glass 2 Acoustical Ratings - Tuscany I V400 updated 09. 1, Class A; and CPSC 16 CFR 1201 Category II. 52 mm Laminated Tempered Glass STC 44; Tempered Glass (10 mm/12 mm) or Laminated Glass (5 + 5 mm/6 + 6 mm) options; Available In . Additional Resources To obtain samples of any Vitro Glass product, call 1-855-VTRO-GLS (877-6457) or visit samples. Glass Type: Clear Laminated Glass. Get an online quote. 3/8" Tempered Glass – 2” air The gap between lites also provides acoustic insulation, to improve STC ratings. Soundproof glass will usually have an STC rating of 25-55 depending on thickness and composition. IQ: Insulating Glass. As a result, it is not recommended for glass selection of exterior wall applications since the single-number rating Additionally, our COMO Glass Panel is an excellent choice for acoustic performance, offering an STC of 43 for clear tempered glass and 49 for laminated 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. 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. The insulating glass units are constructed with two plies of glass and an airspace. Glass size and glazing system will affect STC rating. This is However, it is important to note that different glass options and the use of combination units may affect the sound abatement performance of the unit. If sound reduction is a priority, look for a window in the 30-35 STC range. It is measured in watts over m2 per degree Celsius (w/m2°C). Double-glazed glass can also Find a School Guard Glass product data spec sheet for your project here. How to Increase Window STC Rating. E413-87 in an acoustica l wall. A single pane sheet of ¼” glass has an STC rating of 31. Laminated and double insulated panes of glass are combined to create combinations that reach a required STC rating. Our items are commonly identified and trusted by customers and may fulfill continuously switching economic and social wants of Laminated Glass Stc Rating, Laminated Glass 19mm, Custom Tinted Tempered Glass, Top 19mm Tempered Glass,Curtain Wall Glass Front, center, back or multi-plane glass applications; Flush glazed from either the inside or outside; Screw spline, shear block, stick or type-B fabrication; Screw spline pre-glaze option; SSG / weather seal option; Acoustical rating per 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. High A single pane of glass has an STC rating ranging from the high-20s to the mid-30s, with its score rising as the glass gets thicker. STC Rating: 3/16" FireLite - 9/16" air space - 1/4" float glass = Approx. The resultant noise level in the room. Heat treated glass is used in balustrade,balcony,poolfence,point Getting started; Laminated Glass Stc Rating; Laminated Glass Stc Rating - Factory, Suppliers, Manufacturers from China. 5) TECHNICAL SPECIFICATIONS AUTHORIZED DIMENSIONS Rating Application Max Exposed Area of Glass (Sq in) Max Width of Exposed Glass Max Height of Exposed Glass Min Depth of Groove Groove Width 11. The average STC rating for a single pane of regular glass is about 27. S. Glass thickness,PVB interlayer,air space in insulated glass will increase the glass acoustic performance and sound transmission loss. 03. The OITC (Outside STC ratings are determined by laboratory testing. Frame Fasteners #8 x 1" Flathead Phillips SMS – Included. 35** 3/16" FireLite NT - 9/16" air space - 1/4" float glass = Approx. For windows, STC ratings range from 18 to 38. Double 6 (1 ⁄ 4 “) and (5 ⁄ 16 “) MM Tempered Glass: STC Rating of 38. Single 12 MM (1 ⁄ 2 “) Acoustic Glass: STC Rating of 42. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing 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. The soundproofing rating for most standard homes is 33 STC, while soundproofing for studios must be at least 45 STC. float glass manufacturer to have its entire selection of products recognized by the Cradle to Cradle Certified™ program, and the and is available heat-strengthened and tempered. The higher the rating, the more effectively it will accomplish that goal. V3000 Series Windows. Door Customize your workspace with the SOLO P60 Glass Panel, which shares similarities with our popular SOLO P30 Glass Panel. ; mm) Depth: 7/8” (22 mm) Width: 2-15/16” (75 mm) Weight (lbs. Make-ups that achieve 3-hour fire ratings must be specified with FireLite NT or FireLite Plus®. Laminated glass also withstands forced entry and deflects up to 99% of damaging ultraviolet (UV) rays that can cause A typical dual-pane window has an STC rating of 25-30. . SOLO P60 has a wider frame width of 60x30MM which enhances design visibility. If thicker glass material is used, the rating can go up to 35. When purchasing windows to reduce the sound transmission look for those with a higher STC rating. Glass Impact Safety Rating: ANSI Z97. However, when the ½” tempered glass panel is installed into a float glass (also called “flat” glass) that has not been heat-strengthened or tempered is annealed glass. Standard ½” glass (clear tempered) STC 34: Standard 3/8” glass (clear tempered) So go ahead, turn it up (and feel free to Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. Glass Thickness: 1/4" Glass STC Rating: 35. 1/4" 41 41 1" (26. Tempered glass, laminated glass, and impact-resistant glass offer varying levels of protection against break-ins, injuries from shattered glass, and severe weather conditions. annealed glass can be cut, machined, drilled, edged and polished. The higher the number, the higher the acoustic performance. 43 . Examples would be a 100 Series window with STC upgrade or a 400 Series window with laminated HEAT TREATED GLASS Heat treated glass,is glass that processed with tempering furnace . Single 10 MM (3 ⁄ 8 “) Tempered Glass: STC Rating of 34. *OITC is estimate d base d on this test. Glass Appearance: Clear. At 1/8 inch thickness, it has an STC rating of 30. When isolated ½” tempered glass panels are tested, typically in accordance with ASTM E90, they can achieve an STC 36 rating. Window Glass: Normal STC Range: Typical Value: Single pane glass: 26-28: 27: Dual pane glass: 26-32: 26: Soundproof Window over a At 1/4 inch thickness, it has an STC rating of 31. A small difference in the STC rating of just two points isn’t going to 1/4” (6mm) monolithic glass has an STC rating of 31 1/8” x . 10 years against any manufacturing defects. Tempered Glass. Where # appears next to the product name, this identifies the position of the coated surface of the glass. Laminated glass is basically a glass sandwich. About Cardinal Glass Industries. lite kits with wire 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 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 Rating STC ratings of 50 and higher are used in professional studios and other applications where a quiet environment is a must. It is important to note that the above listed glass performance will differ to that of a window assembly using these products. An STC label delineates how partitions and walls effectively block sound and reduce noise. 1/8" 35 35 The STC rating for glass is particularly important in applications such as recording studios, concert halls, conference rooms, and healthcare facilities, where maintaining a quiet and acoustically controlled environment is STC ratings tell you how well a wall, window, ceiling, door, etc. During this process, a sample of the material is exposed to various sound frequencies, and 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. Door Thickness: 1-3/4" NGP (National Guard) - L-FRA100 Vision Lite Kit Pack with 1/4″ Clear 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. com. Heat efficiency usually requires a maximum gap of 16 millimeters, but a larger space is always better for soundproofing. Single 12 MM (1 ⁄ 2 “) Tempered Glass: STC Rating of 36. ) 34. Asia Pacific, Europe, South Africa, USA, Canada, Mexico and the Middle East. 1 Class A and The STC rating of a glass wall is determined by the system configuration. PURE® Sonos Framed Glass Wall Systems provide the transparency of glass combined with Sound Transmission Class (STC) rating to enhance privacy. For example, the walls inside your house likely have an STC rating of 33. V Sound transmission class (STC) ratings indicate the glass’s ability to reduce sound transmission, with higher ratings indicating better noise reduction. While it is possible to achieve an STC 36 rating with a glass wall assembly it is not as simple as placing ½” tempered glass in aluminum extrusions. STC ratings from 35 to 40 promote enough STL to diffuse even loudly spoken conversations. (STC) ratings. Glass Performance Data Values are center of glass calculated using LBNL Window 7 per NFRC100 conditions. Additionally, a glass wall assembly can never test To find out the best windows and their glass STC rating chart, contact the best window company in Toronto such as Vinyl Light. 35** 3/16" FireLite NT - U. (STC/OITC), high altitudes, Sea Turtle Conservation Codes (available on Glass STC Rating: 35. 35 The sound-dampening interlayer provides a 50% sound reduction over the standard glass with an STC rating of 35. Meets ANSI Z97. Ratings are determined by broadcasting a specific auditory tone near the material, and measuring dB on bothside For glazing that is installed within a building interior, the Sound Transmission Class (STC) rating may be a more appropriate measure, as it describes the approximate decibel level reduction 1-7/8" overall - 1/4" glass, 1/2" airspace, 1/4" glass, 1/2" airspace, 3/16" glass, . The STC (Sound Transmission Class) rating is a single-num ber rating system for interio r build ing partitions and viewin g The order of sound insulation performance from poor to excellent is: monolithic glass < laminated glass How to calculate the glass STC? One of the features of glass is sound proof,whether it's single glazing, laminated glass,insulated glass or even laminated ins STC Example : ¼” Monolithic glass has an STC of ~31dB. -1/4" (total 1/2" thick), A glass type’s STC rating measures how effectively glass will provide sound insulation. Double glazed windows are a bit superior for blocking sound, with an average rating of 29. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. Double 10 (3 ⁄ 8 “) MM Tempered Glass: STC Rating of 42. 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. Laminated glass provides security for both homes and businesses. 52; Trudoor Choice. Glass siz e and glazing system will a˜ect STC rating. or STC) ID/City/Country/Glass Usage/Type (Performance Target)-Next-Type Value (One from OITC/Rw/STC)-Glazing Type (Laminated/Laminated IG/Double Laminated IG/Triple Laminated IG)-Interlayer If Needed Achieving a high STC rating is crucial for spaces where privacy and noise control are significant, such as offices, conference rooms, healthcare facilities, schools, and libraries. Cardinal’s History STC and OITC are standards that measure sound attenuation. • UV stabilized to resist solar exposure • Manufactured in USA • 5 year Manufacturer Warranty • NOT Fire-rated • Acoustical ratings: 1/4” = STC 29 1/2” = STC 34 1/4" Tempered Glass 1/4" Tempered Glass 1/2" Air Space 1/4" 1/2 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. Its original intent Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. 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. With the 670-720℃ and fast coolling process,the surface and interior compression changed and keep relatively balance. The other key advantage to 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. Terms and Conditions / Warranties. Frame Construction: 18 Gauge Cold Rolled Steel. -1/8" (total 1/4" thick), 1/4"-0. 030 P. Sound insulation rating of the window system/glazing and; 3. It is determined in accordance with ASTM E413 using sound transmission loss data measured between 100 – 5000 Hz. 2 years on rails and trolleys. Argon fill is 90% The average STC rating for a regular single pane window is 27. Its sleek yet robust aluminum framework offers a modern aesthetic. STC ratings are used for windows, doors, walls and most building materials. Generally, noisier environments will need a higher STC rating. Products with a rating of 30 to 35 STC can reduce the volume of normal speech to a quiet murmur. STC 38 - 3/8" laminated glass with a . -1/8" (total 3/8" thick), 1/4"-0. Single Hung Windows Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. All performance data is calculated using LBNL Window 7. The heat treated glass strength is always 2-5 times that of float glass and prevent possible injury. stops sound. Standard third-party hardware manufacturers warranty. Glass also exhibits increased sound insulation performance with thicker dimensions, although it starts with a higher STC rating than plexiglass acrylic at the same thickness. Plexiglass of the same ¼” thickness has an STC rating of just 29. V. Visible Light Transmission 75% Groove (in. Two Panes of tempered glass with a metal spacer in a sealed insulated glass unit – Each Pane: 3/16″ Approx. Additional Technical Resources (3)Zip file. The cost, however, may be prohibitive. 0 This guide provides an introductory overview of glass concepts and terminology, plus Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. 52 mm + 11. TEMPERED GLASS Fully tempered glass is approximately four times stronger than annealed glass of the same thickness Tempered glass. At 3/8 inches in thickness, it has an STC rating of 34. Technical Glass Guide Update 6/15/21 – Version 3. * * [The data and information set forth are based on samples tested and are not guaranteed for all samples or applications. TEMP20™ is a clear fire-rated and impact-safety-rated glass for 20-minute fire doors. 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. /sq. Measurements and tests performed in constructed buildings, known as in the “field”, are labeled as Field STC (FSTC) or Apparent • STC 31 rating Insulated Tempered Glass • Impact safety-rated: complies with IBC requirements for use in doors. However, before making the decision, it is essential to know what sets these two apart and how their application can impact the success of different projects. 030" P. Depending on the thickness and choice of These STC ratings represent common wall and door assemblies. All ratings are dependent on the design of each construction project and are impacted by integrated components. • STC 28 rating Options: • Available in Insulated Glass Units Glass Performance Data Values are center of glass calculated using LBNL Window 7 per NFRC100 conditions. PURE® Sonos FireLite® IGU is composed of FireLite products and tempered / annealed float glass with an insulating unit between to be listed as fire-rated or fire/impact safety rated. 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 . How is STC Calculated? The STC rating is determined through specific testing in laboratories. vitroglazings. ft. How STC Ratings are Determined. Fact Sheets STC Rating: 3/16" FireLite - 9/16" air space - 1/4" float glass = Approx. A typical dual-pane window has an STC rating of 25-30. 9 mm) 1/2" 0. Selectivity – Glass selectivity is an index that reports the relationship between visible light transmission (VLT) and solar heat gain (SHGC). 1 and CPSC 16 CFR1201 (Cat I and II) The Pros and Cons of Laminated Safety Glass. play a significant role in determining STC. Our comprehensive line of fittings is manufactured of high quality materials and available in contemporary architectural Basic Info Tempered glass is one kind of safe glass being produced by the heating flat glass to its softening point. The STC rating Acoustical Performance of Glass and Wall Constructions. The glass will tend to stay together and case one in is broken – thus qualifying as a safety glazing material. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. With an innovative blend of metal and glass, the PURE Sonos design fully frames the glass panels—adding rigidity and greater sound protection without interrupting sight lines. Its original intent was to quantify interior building partitions, not exterior wall components. We also Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 Single Laminated Glass 1 1/4" (7. There are different ways to improve the STC rating of windows. ] SVC Rw summer TL 85-198 TL 85-170 - - TL 85-234 TL 85-229 TL 85-225 - - TL 85-228 - - TL 85-230 TL 85-213 • 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 The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. Additional advantages of laminated glass include: Figure 1: shattered laminated glass • Tempered glass is not a composite product, so layers are not visible at exposed edges. Heat treated glass is used in balustrade,balcony,poolfence,point GL 4 TEMP20™ 20 Minute Fire Protective Glass • 1/4" thick tempered fire-rated glass • Superior optical clarity – clear and wireless • Economical fire and safety rated glass • Etched with fire and impact safety classification on each piece • Manufactured in USA • Weight: 3 lbs. 1 mm) 1/4" laminate 1/2", Air 1/4" 39 39 Commonly called acoustic laminated insulated glass, the windows provide an STC of 39 to 54 or greater. Polycarbonate. A recognized GL 4 TEMP20™ 20 Minute Fire Protective Glass • 1/4" thick tempered fire-rated glass • Superior optical clarity – clear and wireless • Economical fire and safety rated glass • Etched with fire and impact safety classification on each piece • Manufactured in USA • Weight: 3 lbs. Double 10 (3 ⁄ 8 “) MM and 12 MM (1 ⁄ 2 “) Acoustic Glass: STC Rating of 45. Glass surfaces are counted from the exterior face of the building. B. Now that we’ve discussed what STC ratings mean let’s see how glass and plexiglass compare. 3 (77. thicker and better glass combination will increase glass STC ,of course this will bring the increased costs in glass. Table 1A provides a guide to examples of noise measured in decibels TABLE 1B: GLASS SOUND REDUCTION RATINGS Rw (dB) Page 3/3 situations, the Rw does not account for all noises generated. Has better noise resistance due to FireLite IGU is composed of FireLite glass ceramic products and tempered or annealed float glass. STC Ratings: Plexiglass vs Glass Soundproofing. The rating covers the sound sources generated in building interiors TEMP20™ – 20-Minute Fire Protective 1/4″ Thick Tempered Glass for Doors. Choose from a range of glass design options, including switchable magic glass, curved glass, reeded glass, one-way mirror, or tinted glass, to perfectly complement your aesthetic preferences. It is made of two or more plies of glass with a vinyl interlayer between (sandwiched, if you will, as in a car’s windshield). Fire-Rated Clear Tempered Safety Glass CONTRAFLAM 60-2 CLASSIFICATION Fire Resistive This glass product can withstand fire exposure to the non-fire side and protects from flames, smoke, STC/OITC rating (ASTM E 413/E 1332) 42 / HEAT TREATED GLASS Heat treated glass,is glass that processed with tempering furnace . Solid panels with acoustical insulation: STC Rating of 45 STC rating. For example, a single A2000 Series Sliding Glass Doors (1) A3000 Series Sliding Glass Doors (1) Restorations Series V5500 (1) Sunrise Series V4500 Sliding Glass Doors (1) STC Ratings (2)Zip file Installation Instructions (5)Zip file. 24 Page 1 of 7 Due to continual product research and development, Glass 3 Spacer STC OITC Test Date Number Operating Style Series Numbers Tested Size OA Glass 1 Glass 2 1/8 1/8 - x <-- Sound Transmission Class (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. STC Rating 35; Impact Safety-Rated: Complies with IBC Requirements for Use in Doors. Cardinal’s History. Widely used STC (Sound Transmission Class) measures frequencies Figure 1. Patch fittings give the architect or designer a variety of options for creative expression with tempered glass. STC 39 - 1/2" laminated glass with a . 030" PVB, 3/16" glass 48 50; 49 STC. Single 10 MM (3 ⁄ 8 “) Acoustic Glass: STC Rating of 40. A soundproof window will fall into the range of 48-54. 1/4″ thick tempered fire-rated glass; STC 28 rating; Classified and labeled by QAI Laboratories; Impact-safety rated to ANSI Z97. 1/8" 35 35 ZONA stc_rating_chart Author: Madalyn Mufson Created Date: STC ratings are an established way to average how much sound is stopped by something. 3 software and represents center of glass performance data. Thicker glass and Most standard walls will rate between 35-45 STC. STC OITC 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 Acoustic Glass Performance Calculator provided by AGC, Guardian, Kuraray, Saflex, SGG and Viracon, to get desired RW/STC/OITC Value. Starting at: $ 96. Tempered glass is either chemically or thermally treated to improve its strength. 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. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 Glass 1 3/4" (19. Among the numerous glass options available, annealed glass and tempered glass have emerged as two of the sought-after choices. The STC is also a single number rating calculated from the sound transmission loss values measured from an acoustic test. vbdvjq tafl ulmfqkv iodet knmcjs bsyuoki nnlzt piw jkpw rffuni woskp iviy uzbls hlw trj