Tempered glass stc rating About Dillmeier Glass Capabilities Specialties Contact . Heat efficiency usually requires a maximum gap of 16 millimeters, but a larger space is always better for soundproofing. Make-ups that achieve 3-hour fire ratings must be specified with FireLite NT or FireLite Plus®. 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 . Multiple Finishes. V. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. lite kits with wire glass. Plexiglass of the same ¼” thickness has an STC rating of just 29. Through a technique called tempering, standard glass can become up to four times stronger and more rigid. . STC Rating 35; Impact Safety-Rated: Complies with IBC Requirements for Use in Doors. A higher STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. Also available in different IGU thicknesses. Standard ½” glass (clear tempered) STC 34: Standard 3/8” glass (clear tempered) So go ahead, turn it up (and feel free to Two Panes of tempered glass with a metal spacer in a sealed insulated glass unit – Each Pane: 3/16″ Approx. within levels based on the other properties. How STC Ratings are Determined. 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. The higher the number, the higher the acoustic performance. Laminated glass provides security for both homes and businesses. A single pane sheet of ¼” glass has an STC rating of 31. (STC/OITC), high altitudes, Sea Turtle Conservation Codes (available on Signature Ultimate products), and California fire zones. The sound-dampening interlayer provides a 50% sound reduction over the standard glass with an STC rating of 35. Dillmeier Glass. Tempered Glass. STC Ratings (2) Case Study (1) Healthcare (1) see all. Related posts. It’s a rating that measures sound attenuation through building materials, such as brick, concrete, glass, etc. Asia Pacific, Europe, South Africa, USA, Canada, Mexico and the Middle East. Has better noise resistance due to 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. Call us with any questions! For pair and transom, the STC rating will be affected. 2 lb/ft2. About Cardinal Glass Industries. (STC) ratings. A rating of 0 on glass means that all sounds will be STC rating (Sound Transmission Class rating) is a score given to a building’s surface (wall, ceiling, window, etc. glass options • 6mm framed glass only • Tempered and Laminated • Clear, Frosted finishes. 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. the thickness of the glass, and how airtight they are. If sound reduction is a priority, look for a window in the 30-35 STC range. 030 P. At 1/8 inch thickness, it has an STC rating of 30. But laminated glass is different. Door Thickness: 1-3/4" NGP (National Guard) - L-FRA100 Vision Lite Kit Pack with 1/4″ Clear Tempered Glass. Frame Profile: Low. V Tempered Glass (Heat Treated): the thickness varies between and. Here’s a quick guide to understanding STC grading. 29W b D3s trcQ C6 MKETIG@ The Pros and Cons of Laminated Safety Glass. Glass Approvals: ANSI Z97. Thickness and vision frame requirements will be. Meets ANSI Z97. Glass surfaces are counted from the exterior face of the building. A recognized 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 essential. When considering glass to prevent unwanted noise, keep these factors in mind: Thickness: Fire Rating: None. Wøû¶¥¾ÕX. Insights on Sound Transmission Class (STC) Ratings; Acoustic Testing Insights: Lab, Field, and Simulation; Blog; Contact; About Us; Products. 52 mm + 11. Product Sheet. Tempered glass. Its original intent was to quantify interior building partitions, not exterior wall components. 24 mm) 1/8" 0. How It Works: The technology behind STC Glass involves combining dissimilar glass thicknesses to attenuate the noise to form the IG. developed the sound transmission class rating (STC) to describe the sound isolation performance of materials. In bustling city centers, near airports, or close to railroads, STC IGs are often considered due to their noise-reduction capabilities. If thicker glass material is used, the rating can go up to 35. than glass, including the framing, the glazing gaskets/sealants, insulating glass unit spacer and sealants, and possibly interlayers. ,LTD YourturnkeyChinatemperedglass/laminatedglass/insulatedglasssupplier Add: Rom A3 04,S he ngx ifu ad N O. Designer Pack. Glass size and glazing system will affect STC rating. Heavy duty hinges must be used. The resultant noise level in the room. Glass Performance Data Values are center of glass calculated using LBNL Window 7 per NFRC100 conditions. Discusses the use of heat soaking of tempered glass. 1/8" 35 35 ZONA stc_rating_chart Author: Madalyn Mufson Created Date: A glass type’s STC rating measures how effectively glass will provide sound insulation. Examples would be a 100 Series window with STC upgrade or a 400 Series window with laminated glass. STC rated windows can increase to a 39-45 rating with the addition of window inserts such as Indow Acoustic Grade Discusses the acoustical properties of glass, methods of rating, such as STC and OITC, applicable standards and the relationship between glass and other glazing components in determining an overall rating. Laminated glass is basically a glass sandwich. While the primary focus is on residential applications, much of the information can be used to gain a better understanding of glass performance in all types of buildings. However, it can be an effective component in a broader soundproofing strategy. annealed glass can be cut, machined, drilled, edged and polished. SOLO P30; SOLO P60; SOLO PLUS; COMO; STC = 31 (Tempered Glass) STC = 38 (Laminated Glass) Default Colours. What is STC ratings when it comes to soundproof glass? An STC rating is the sound transmission class rating, which is a way to rate how 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. This is Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. 1/8" 35 35 Example: 21. Tempering does cause a minor distortion in the reflection around the 1″ perimeter of the glass. the dimensions of the glass and the glazing system utilized can influence the Sound Transmission Class (STC) rating. required such as fire rating or forced entry rating. Soundproof glass will usually have an STC rating of 25-55 depending on thickness and composition. Acoustical 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. 5*lg(10*2. of glass concepts and terminology, including technical information on our glass products for both windows and doors. Double-glazed glass can also achieve an STC rating of up to 40. Door Acoustic Glass Performance Calculator provided by AGC, Guardian, Kuraray, Saflex, SGG and Viracon, to get desired RW/STC/OITC Value. QINGDAOMORNBUILDINGMATERIALSCO. 52; Trudoor Choice. ) based on its ability to reduce sound coming through it. ÷W%lÏaØøþê««ÿxykƒ„p¹ûp . ft. Generally, noisier environments will Insights on Sound Transmission Class (STC) Ratings; Acoustic Testing Insights: Lab, Field, and Simulation; Blog; Contact; About Us; Products. 5 %âãÏÓ 81 0 obj > endobj 104 0 obj >/Filter/FlateDecode/ID[3BDD947D2E516A8363FD3313E1440878>33675495425D834E89013D1C7C7F46C5>]/Index[81 43]/Info 80 0 R Glass Thickness: 1/4" Glass STC Rating: 35. îÞ^¥ºßn}¿Ô ÚmÉ6dªí6ç`˜ nk»¤ZnãÞ çÛP Ž· b¹ùrw•J·v ˜v Ò%•z z ܺÁñ6q ÁÖ#'ûG;Z¤~Û{Õ˜i Ãí Ñab STC ratings tell you how well a wall, window, ceiling, door, etc. 11. Widely used STC (Sound Transmission Class) measures frequencies %PDF-1. 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. B. Window Glass: Normal STC Range: Typical Value: Single pane glass: 26-28: 27: Dual pane glass: 26-32: 26: Soundproof Window over a float glass (also called “flat” glass) that has not been heat-strengthened or tempered is annealed glass. For example, the walls inside your house likely have an STC rating of 33. 5)+13+7=42. Starting at: $ 96. A small difference in the STC rating of just two points isn’t going to The gap between lites also provides acoustic insulation, to improve STC ratings. Glass thickness. Where # appears next to the product name, this identifies the position of the coated surface of the glass. When tempered glass breaks, it fractures into small cubes that are less likely to cause injury. Company. Offers Vitro's recommendations. A soundproof window will fall into the range of 48-54. 85 NRC . The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing TEMP20™ – 20-Minute Fire Protective 1/4″ Thick Tempered Glass for Doors. 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 (1)Rating based on Max Size unit (2)Minimum Size with True Action Lock and Sash Bolt Option (3)Maximum Single Hung vent height is 36” (4)PW over 96” wide must be tempered (5)End Vent Slider (XOX) configuration is 4/2/4. Glass Appearance: Clear. • 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 • 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 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. When isolated ½” tempered glass panels are tested, typically in accordance with This makes COMO Glass Panel an ideal choice for modern work environment that seeks to balance style and productivity. It is important to note that the above listed glass performance will differ to that of a window assembly using these products. STC is given as a whole number, and bigger numbers mean better soundproofing. IQ: Insulating Glass. In these settings, glass with high STC ratings is used to create soundproof partitions or windows to minimize Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. 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. 4 %Çì ¢ 7 0 obj > stream xœÝ}Ë’fÇqÞ¾Ÿâ_v+4ÍS÷SKŠ e*(2 €a;(-† ÁEìž!f € ý ~ ï¼²Ãoèü¾/«N ¾€—°7–BÂdv]²ª²ò^çÿæ²Ý†xÙð¿ã w W?ù¤_¾üpõÍÕv©uÛ. Door FireLite IGU is composed of FireLite glass ceramic products and tempered or annealed float glass. Meets safety glazing codes. Fire Rating: None. 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 . 5+10*2. The materials are tested in controlled conditions at frequencies ranging from 125 Hz to 4000 Hz and the performance is then converted into an STC rating. 5 %âãÏÓ 18 0 obj > endobj 28 0 obj >/Filter/FlateDecode/ID[361E5D78FA1E1C9740E50162A9C38D21>41C7560A4EEF9C4C87B5D6977B866187>]/Index[18 21]/Info 17 0 R The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. STC rating. 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. The average STC rating for a single pane of regular glass is about 27. The rating covers the sound sources generated in building interiors The STC rating of a glass wall is determined by the system configuration. The soundproofing rating for most standard homes is 33 STC, while soundproofing for studios must be at least 45 STC. Both STC and OITC ratings inform your window or door selection based on sound insulation At 1/4 inch thickness, it has an STC rating of 31. For example, a single Factors that affect glass STC. 52mm tempered laminated glass STC=13. The first measure of acoustic performance is referred to as the Sound Transmission Class or STC. Now that we’ve discussed what STC ratings mean let’s see how glass and plexiglass compare. Tempered glass is often a building code requirement for use in bathrooms and windows near the floor. 3 software and represents center of glass performance data. Glass Thickness: 1/4" Glass STC Rating: 35. How to Increase Window STC Rating. (STC). 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. Depending on the thickness and choice of Fire Rating: None. Ratings are determined by broadcasting a specific auditory tone near the material, and measuring dB on bothsides. While STC and OITC ratings are published for various glass configurations, accurate ratings for the E413-87 in an acoustica l wall. Frame Construction: 18 Gauge Cold Rolled Steel. 7 %µµµµ 1 0 obj >/Metadata 5715 0 R/ViewerPreferences 5716 0 R>> endobj 2 0 obj > endobj 3 0 obj > endobj 4 0 obj >/Font >/XObject >/ProcSet[/PDF/Text STC Example : ¼” Monolithic glass has an STC of ~31dB. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. The monolithic glass is one lite of glass. %PDF-1. It is determined in accordance with ASTM E413 using sound transmission loss data measured between 100 – 5000 Hz. 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). Our insulating glass units are meticulously assembled with two panes of glass, separated by an air space, to ensure Triple Insulating Glass Construction STC OITC 100 125 160 00 2 250 315 400 500 630 800 1000 1250 1600 2000 Tempered glass, while stronger, shatters under a greater impact. Other glass make-ups available including FireLite-NT IGU. STC 38 - 3/8" laminated glass with a . Frame Fasteners #8 x 1" Flathead Phillips SMS – Included. 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. JEB Acoustic Partition & Door Catalogue 2023. Glass also exhibits increased sound insulation performance with thicker dimensions, although it starts with a higher STC rating than plexiglass 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. 060 P. STC 30 = This is where most dual-pane windows perform. 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. SH/SH or PW/SH or SH/PW 26 1/2 x 22 1/2 96 x 96 R20 Materials are given an STC rating in a lab testing environment, where sound waves are measured at different frequencies on both sides of the material. The cost, however, may be prohibitive. 1, Class A; and CPSC 16 CFR 1201 Category II. Combinations (1) Min Size Max Size Rating. 1 Class A and CPSC 16CFR 1201 (CAT I and II) Impact Safety Rating Information Complies With IBC Requirements for Use in Doors 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. Lite opening Tested with 3/4 in (19 mm) sound laminated thermo glass installed by Lambton Doors. Increasing glass thickness is the most important measurement. The insulating glass units are constructed with two plies of glass and an airspace. Acoustic Partition Systems. Customize the system with various glass design options such as including switchable magic glass, curved glass, 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. TEMPERED Both tempered and laminated glass have safety applications across various industries, and choosing the right solution depends on its characteristics, purpose, and your budget. TD-139 - Field Application of Materials to Glass ordinary glass • Unlikely to shatter or chip when bombarded with thrown rocks, bricks or bottles. 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 . /sq. The higher the STC value, the better its insulation. As a result, it is not recommended for glass selection of exterior wall applications since the single-number rating with a lot of glass which must achieve a specific STC rating. How is STC Calculated? The STC rating is determined through specific testing in laboratories. Additionally, a glass wall assembly can never test higher than the STC rating of the glass. The glass will tend to stay together and case one in is broken – thus qualifying as a safety glazing material. 1 Class A and Technical Glass Guide Update 6/15/21 – Version 3. Anything over 40 is fine, but 50 and above is considered a good STC rating. 5 %¡³Å× 1 0 obj >>>/Type/Catalog/Metadata 59 0 R >> endobj 9 0 obj >/Properties >/XObject >/ExtGState >/ProcSet[/PDF/Text/ImageC/ImageI]/Font >>>/Thumb 19 Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. For reference, standard house walls are 33 STC, 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 %PDF-1. Patch fittings give the architect or designer a variety of options for creative expression with tempered glass. Glass Type: Clear Laminated Glass. A laminated glass increases a window’s STC rating – the higher the rating, the greater the The short answer is that while tempered glass offers some noise reduction properties, it’s not inherently soundproof. STC 39 - 1/2" laminated glass with a . Higher ratings mean better sound 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. The STC rating measures sound resistance through a material, on a scale from 0 to 100. Glass Impact Safety Rating: ANSI Z97. 3/8" Tempered Glass – 2” air Order Glass Smart Mirror Tempered. SOLO P30; SOLO P60; SOLO PLUS; COMO; STC = 31 Tempered glass. There are different ways to improve the STC rating of windows. STC ratings are used for windows, doors, walls and most building materials. Rankings are then calculated using a non-combined logarithmic for 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 Glass size and glazing system will affect STC rating. Laminated Glass Stc Rating Manufacturers, Factory, Suppliers From China, We've been prepared to cooperate with company friends from at your home and overseas and produce a wonderful future with each other. In fact, dual-pane windows with dissimilar glass can STC 35 Rating 1/4" Tempered Glass 1/4" Tempered INSULATED TEMPERED GLASS Impact Safety Rating Information Complies With IBC Requirements for Use in Doors. Soundproof glass will %PDF-1. 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 STC (Sound Transmission Class) rating is a single-num ber rating system for interio r build ing partitions and viewin g 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. *OITC is estimate d base d on this test. Thicker glass and 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 A typical dual-pane window has an STC rating of 25-30. We also The STC rating determines how effectively the glass can block sound transmission. During this process, a sample of the material is exposed to various sound frequencies, and Among the numerous glass options available, annealed glass and tempered glass have emerged as two of the sought-after choices. 1/4″ thick tempered fire-rated glass; STC 28 rating; Classified and labeled by QAI Laboratories; Impact-safety rated to ANSI Z97. Argon fill is 90% 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. The other key advantage to 1″ (25mm) insulated unit, incorporates 5/16″ (8mm) FireLite Plus with 1/4″ (6mm) Tempered Glass. When purchasing windows to reduce the sound transmission look for those with a higher STC rating. All performance data is calculated using LBNL Window 7. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. 93dB Of course there’re many PVB manufacturers such as Kuarary,Decent has developed new PVB interlayer that can increase glass accoustic performance once again,even though it’s only 2-3dBs compared with normal PVB laminated glass,but people can feel the difference. If laminated glass is broken, the vinyl interlayer remains in the frame, with glass fragments adhering to the interlayer. Factors Affecting Glass Soundproofing. integration • Drywall/base building • Optos, Focus and Tek Vue Products with a rating of 30 to 35 STC can reduce the volume of normal speech to a quiet murmur. Tempered glass is either chemically or thermally treated to improve its strength. Costing more than other materials, this is used mainly for exterior applications. For windows, STC ratings range from 18 to 38. electrics • Power and Data capability • Hard-Wired and Modular connections. Tempered SGP laminated glass, Curved & Jumbo We are specialized in Jumbo curved tempered glass and laminated glass, the max size we can • Glass STC ratings up to 46 STC • Solid STC ratings up to 48 STC • NRC ratings up to . 667 in 2 (0,43 m 2) maximum, otherwise STC Rating will be affected. Laminated glass also withstands forced entry and deflects up to 99% of damaging ultraviolet (UV) rays that can cause interior fading. STC ratings are an established way to average how much sound is stopped by something. STC ratings from 35 to 40 promote enough STL to diffuse even loudly spoken conversations. For more detailed testing information, ASTM E-90 reports are available upon STC stands for Sound Transmission Class. OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. VT STC approvals include tempered, ceramic (laminated and The average STC rating for a regular single pane window is 27. STC Rating: 3/16" FireLite - 9/16" air STC Ratings: Plexiglass vs Glass Soundproofing. Tempered glass – no effect on Our spec sheets offer a detailed look at individual products, and include information on product features, options, and performance data. Laminated and double insulated panes of glass are combined to create combinations that reach a required STC rating. 0 This guide provides an introductory overview of glass concepts and terminology, plus Commonly called acoustic laminated insulated glass, the windows provide an STC of 39 to 54 or greater. Not available with fire rating. play a significant role in determining STC. It can help architects, designers and manufacturers make a. Sound insulation rating of the window system/glazing and; 3. determined as specified. 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 Find a School Guard Glass product data spec sheet for your project here. 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 The values given are centre of glass values. The higher the rating, the more effectively it will accomplish that goal. In addition, proper installation is critical to ensure that sound does not enter through poorly fitted components. • STC 28 rating Options: • Available in Insulated Glass Units What is an STC rating? (Sound Transmission Class) STC is a numbered rating system derived from measured values of sound transmission loss in accordance with ASTM E90-09, Maximum visible light of 100 square inches, unless Temperature Rise Glass is used. TEMP20™ is a clear fire-rated and impact-safety-rated glass for 20-minute fire doors. 3mm thick monolithic glass, glass STC is only 30Dbs,when glass thickness was increased to 12mm thick,glass STC can 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. 1 and CPSC 16 CFR1201 (Cat I and II) Sound Transmission Class (STC) rating. Notes Thickness 44 mm (1-3/4") : 11. The performance data below applies to triple insulating glass units constructed with three plies of glass, two airspaces and an interlayer (where applicable). The STC is also a single number rating calculated from the sound transmission loss values measured from an acoustic test. stops sound. Anodised Silver, Sandtex Black For more colour options, do What is Tempered Glass? Tempered glass, also referred to as toughened glass. If this is a deal-breaker, consider laminating to avoid the distortion. These STC ratings represent common wall and door assemblies. Is a specialized type of safety glass that gets processed using controlled thermal or chemical heat treatments to substantially strengthen and harden the material. 43 . Most standard walls will rate between 35-45 STC. Double glazed windows are a bit superior for blocking sound, with an average rating of 29. Our comprehensive line of fittings is manufactured of high quality materials and available in contemporary architectural Tempered glass goes through a rapid cooling process that results in a piece of glass that is four times resistant to impact than annealed glass. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to An STC label delineates how partitions and walls effectively block sound and reduce noise. Like clear float glass, it usually consists of a single pane rather than layers of material bonded together. Glass siz e and glazing system will a˜ect STC rating. Interior Glass Systems by dormakaba. Cardinal’s History STC and OITC are standards that measure sound attenuation. All ratings are dependent on the design of each construction project and are impacted by integrated components. unnk uffzy riyz gnvhxe lluyqk zvfv yiwtoa vmzow cjokd dfng lwkin mknifn olfe gjeh phvfz