Tempered glass stc rating chart. When planning glass wall systems, here’s a .

Tempered glass stc rating chart Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. Laminated glass provides security for both homes and businesses. 5mm glass that may have improved glazing performance from what is shown. Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. • 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 Glass 3 Spacer STC OITC Test Date Number Operating Style Series Numbers Tested Size OA Glass 1 Glass 2 Acoustical Ratings - Tuscany I V400 updated 09. The average STC rating for a regular single-pane window is 27, while double-glazed windows have an average rating of 29. Y : E . 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. Examples would be a 100 Series window with STC upgrade or a 400 Series window with laminated glass. Bronze-tinted Advanced Low-E . In addition, proper installation is critical to ensure that sound does not enter through poorly fitted components. 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). STC Ratings Updated: 08/19/2021 by K. Dec 16, 2024 · Material: Fire-rated tempered alkaline safety glass Thickness: 1/4" (6 mm) Weight: 3. It can help architects, designers and manufacturers make a STC Example : ¼” Monolithic glass has an STC of ~31dB. 250: 7/8" 3. Double-glazed glass can also achieve an STC rating of up to 40. l: l. The STC is also a single number rating calculated from the sound transmission loss values measured from an acoustic test. Variations could affect the STC It should be noted that STC ratings obtained in a lab may be different than those achieved in real-world applications. Our glazed partitioning systems are tested at a certified laboratory to ensure reliable STC ratings. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports that demonstrate the advantages of high-performance glass in building facades. Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. Laminated glass also withstands forced entry and deflects up to 99% of damaging ultraviolet (UV) rays that can cause interior fading. -1/8" (total 1/4" thick), 1/4"-0. Throughout the commercial market, building owners are experiencing spontaneous breakage of tempered glass with greater publicity when it occurs. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500. There are different ways to improve the STC rating of windows. May 13, 2024 · The lower the rating, the less transmission of energy that causes fading. Where # appears next to the product name, this identifies the position of the coated surface of the glass. 1/4" tempered glass woodstops . 88 Size: Reference chart on page 2 Minimum: 14"diagonal Maximum: 47-½" x 95-½" No more than 1:10 ratio width to height Order size is actual glass size RATINGS: Glazing bug marking on lower right corner A typical dual-pane window has an STC rating of 25-30. 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. Argon fill is 90% Discusses strength of V-grooved glass, compares glass that is tempered then grooved vs. 250 Series Double-Hung. gov for Energy Star guidelines. 1-7/8" overall - 1/4" glass, 1/2" airspace, 1/4" glass, 1/2" STC. Hybrid VIG can achieve an STC rating of 38, compared to the 34 STC of a double-pane IGU. 030" P. Lab results are highly controlled and may not reflect the same performance in the field based on the conditions of your environment. • SL80/81 has an STC rating of 38 when using double insulated laminated STC 38 glass, and a rating of 45 when using double laminated STC 45 glass. 175mm 3. When planning glass wall systems, here’s a 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 Jan 28, 2024 · The average STC rating for a regular single pane window is 27. Factors That Affect Your Glass STC Rating. energystar. 0. Acoustical Performance of Glass and Wall Constructions. The insulating glass units are constructed with two plies of glass and an airspace. Combinations (1) Min Size Max Size Rating. 175mm: 7. 2 psf Light Transmission: 89% STC: 32 U-Value:. B. 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 Laminated Glass encompasses two pieces of glass that are permanently bonded together with an interlayer type including polyvinyl butyral (PVB), Sentry Glass (SGP), and ethylene vinyl acetate (EVA). Interior. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. Safety Glass Pella 2024 Architectural Design Manual Division 08 – Openings Windows and Doors www. The rating covers the sound sources generated in building interiors Standard Sizes ; l — Special Sizes Available Built on 1/8" Increments. com F-DH-2 Impervia ® Double-Hung Windows Size and Performance Data The difference in sound levels is used to calculate the STC rating. See additional notes below data for specific Jan 28, 2025 · However, it is important to note that different glass options, as well as the use of combination units, may affect the sound abatement performance of the unit. 9375mm 32: 26 Hurricane Shield Series Jun 15, 2024 · STC Ratings for Windows and Glass. Overall Glazing Thickness: Exterior Glass Thickness. Fully-tempered float glass is considered safety glass. 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 Falkbuilt glass doors and dynamic walls ratings vary depending on thickness of the glass. (Note: Not available with optional Wood Veneer or High-Pressure Laminate. Frame Fasteners #8 x 1" Flathead Phillips SMS – Included. glass that is grooved then tempered. 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. F-SW-2. Quite simply, the higher the rating, the better the product. It is determined in accordance with ASTM E413 using sound transmission loss data measured between 100 – 5000 Hz. Door Our resources section provides easy access to all of the documents you need. Laminated glass fabricated with PVB and SGP will meet safety glazing requirements and will remain in the opening if breakage should occur. If sound reduction is a priority, look for a window in the 30-35 STC range. • SL60 with STC 38 laminated glass provides an overall STC of 36. Tempered glass not available on 6-0/5-6 or 6-0/6-0 fixed. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. 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. 1, Class A; and CPSC 16 CFR 1201 Category II. 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. OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. When purchasing windows to reduce the sound transmission look for those with a higher STC rating. 030 P. Glass thickness. Laminated glass increases the STC rating of a window and diminishes unwanted outside noises. Here’s a quick guide to understanding STC grading. VT Door Types . Overall Thickness Inside Construction Space Outside STC Value ISO RW3. All performance data is calculated using LBNL Window 7. Safety Glass the sound transmission class rating (STC) to describe the sound isolation performance of materials. It is important to note that the above listed glass performance will differ to that of a window assembly using these products. Pim Foam or Dura**** 3/32 3/32 - 28 23 4/19/99 TL99-145 Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name Fire Rating: None. There are two basic types of heat-treated glass: heat-strengthened, and fully-tempered. Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. NR : Y . The soundproofing rating for most standard homes is 33 STC, while soundproofing for studios must be at least 45 STC. STC 39 - 1/2" laminated glass with a . Both STC and OITC ratings inform your window or door selection based on sound insulation STC Rating OITC Overall Glazing Rating Thickness Exterior ; Glass Thickness Interior Glass Thickness Sliding Window – Dual-Pane Standard Insulating Glass; 59. 1/4” (6mm) monolithic glass has an STC rating of 31 1/8” x . • Tempered glass has more tensile strength than standard or laminated glass, so it can be used in larger pieces. -1/4" (total 1/2" thick), 1/4"-0. 808 / 5508 : 33 . STC ratings are the ONLY way to accurately compare various noise reduction products. Is Complete Soundproofing Possible? Our STC rating chart above only goes to 50 because STC rated windows are in that range. (2) Contact your Ratings achieved at that size are representative of all sizes of the same configuration. Feb 19, 2024 · Explore the STC rating chart for walls, glass, windows, doors, and materials. CA Laminating glass is a popular way to increase an STC rating. 0 This guide provides an introductory overview of glass concepts and terminology, plus Some STC ratings of common window assemblies are listed below. % 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. Thickness Interior. Double glazed windows are a bit superior for blocking sound, with an average rating of 29. com. Heat efficiency usually requires a maximum gap of 16 millimeters, but a larger space is always better for soundproofing. 08/31/2023 STC. Mass pigmented and decorative interlayers can also be used to provide a wide range of effects. 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 float glass (also called “flat” glass) that has not been heat-strengthened or tempered is annealed glass. Glass surfaces are counted from the exterior face of the building. Acoustical Guide – Determining Minimum STC Rating Figure 1. 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 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. Visit www. 29W b D3s trcQ C6 MKETIG@ Based on unit size, some products will use 2. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. Rev. Glass size and glazing system will affect 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. 05: Water Resistance. 5 psf: Design Pressure. • Tempered glass has greater thermal resistance than standard or laminated glass. Meets or Exceeds AAMA / WDMA Ratings The STC (Sound Transmission Class) is a rating system for interior building partitions and viewing windows used to Triple Insulating Glass Construction STC OITC 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. O. Standard Acoustical Substrate: with a standard rating of 49 STC, or optional ratings of 42 STC, 45 STC or 50 STC. STC OITC 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 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. Sound Transmission Class ratings. 250 7/8" 3. 6. com LS-DH-2 Lifestyle Series Double-Hung (—) = Not Available Mar 21, 2024 · Air Pocket Between Glass Panes: The distance between the two panes of glass in double-glazed units affects STC. The cost, however, may be prohibitive. It’s important to 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. 800-782-5742 Talk to an expert! not found with glass partitionsAcoustical control. 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 for the sound of human speech. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Glass 2 4-3/4" (120. Glass Thickness: 1/4" Glass STC Rating: 35. Our spec sheets offer a detailed look at individual products, and include information on product features, options, and performance data. STC 38 - 3/8" laminated glass with a . annealed glass can be cut, machined, drilled, edged and polished. STC Glazing options, including Non-Impact Laminated Glass Ratings achieved at that size are representative of all sizes of the same configuration. Compared to standard double-pane units, VIG delivers superior Sound Transmission Class (STC) and Outdoor-Indoor Transmission Class (OITC) ratings. 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. The values given are centre of glass values. insulating glass units. V. 250 Series Fixed Jan 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. The documents include factsheets, brochures, specifications, certifications, and application forms, among others. The STC and ISO RW values indicate the acoustical performance ratings, with higher numbers indicating better sound Non-heat soaked tempered glass breaks more than you may know. At JELD-WEN, for example, we May 30, 2024 · STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. Outdoor-Indoor Transmission Class (OITC) – applicable to exterior walls (including doors and windows) where the glass configurations. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 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. Optional Steel Skins: with optional ratings of 49 STC or 51 STC. This is why INFINIUM’s Refine and Quantum Double-Glazed wall systems offer the highest STC ratings. This glass package combines asymmetric laminated glass and dissimilar thickness glass within a 1” dual pane insulated glass unit to achieve improved sound performance. Jan 18, 2022 · STC Ratings Updated : 01/18/2022 by K. 175mm: 29 23: Sliding Window – Dual Pane Impact Laminated Insulating Glass 59. 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. Heat-strengthened float glass is twice as strong as standard float glass and breaks into large fragments as does standard float glass. Tempered glass. When combined with a hermetically-sealed IG unit, the acoustical benefits to your windows STC ratings are used for windows, doors, walls and most building materials. Costing more than other materials, this is used mainly for exterior applications. 24 Page 1 of 7 Glass Performance Data Values are center of glass calculated using LBNL Window 7 per NFRC100 conditions. -1/2" (total 3/4" thick), panels caulked in place in single frame with wooden stops and glazing putty. ,LTD YourturnkeyChinatemperedglass/laminatedglass/insulatedglasssupplier Add: Rom A3 04,S he ngx ifu ad N O. 125 x 47. STC 36 - 3/8" laminated glass with a 1/4" P. A higher STC rating indicates a greater sound dampening effect. Thickness Third Pane . QINGDAOMORNBUILDINGMATERIALSCO. Thickness Exterior . Frame Profile: Low. *OITC is estimated based on this test. It’s important also to consider: Glass thickness: thicker glass typically provides better sound insulation than does thinner glass STC Rating Chart For Windows. Beyond the type of windows you select, other factors can affect the STC rating of your glass. · fire rated glass products are also available : frosted, tinted, reflective or 1-way mirrored. ordinary glass • Unlikely to shatter or chip when bombarded with thrown rocks, bricks or bottles. The STC ratings allow accurate 'apple to apple' comparisons. Rating OITC . Pella. Glass Impact Safety Rating: ANSI Z97. 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. SH/SH or PW/SH or SH/PW 26 1/2 x 22 1/2 96 x 96 R20 · impact resistant safety glass required in door vision frames, and in wall locations within 24" of door openings · fire rated insulated glass units (igu) are available for meeting low-e, stc, x-ray protection or bullet resistance. This rating is based on how much sound is blocked across a range of frequencies, usually from 125 Hz to 4,000 Hz. Thickness (ML) • SL45 with STC 40 laminated glass has an STC of 36. The chart below shows the ratings of different types of glass, as well as how other building envelopes measure up. An STC rating is an instrument measurement of how much noise is stopped. 1/8" 35 35 Technical Glass Guide Update 6/15/21 – Version 3. The presence of Low-E or argon have negligible effect on sound attenuation characteristics. 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. 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. TEMPERED GLASS Fully tempered glass is approximately four times stronger than annealed glass of the same thickness 1″ Overall Thick Clear Insulated Glass, Two Panes of Tempered Glass with a Metal Spacer in a Sealed Insulated Glass Unit. Sound Transmission Class (STC) rating. Factors Affecting the STC Level on Site. * Dec 22, 2022 · Double-glazed glass can also provide an STC rating of up to 40. Rating. 09 PANEL ACCESSORIES. Oct 10, 2024 · STC RATING CHART: STC: What can be heard at this level: 25: Soft speech can heard and understood: 30: Normal speech can heard and understood: 35: Loud speech can heard and understood: 40: Loud speech can heard, but not understood: 45: The threshold at which privacy begins: 50: Loud sound can be heard, but are very faint: 60+ At this level, good Pella 2024 Architectural Design Manual Division 08 – Openings Windows and Doors www. OITC Rating. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. 24 mm) 1/8" 0. A wider gap provides better sound insulation by minimizing direct sound transmission. The gap between lites also provides acoustic insulation, to improve STC ratings. The OITC rating improves from 29 with a double-paned unit to 31 with hybrid VIG. Glass Appearance: Clear. The STC rating goes all the way up to 65. 03. Overall : Glazing . Glass . While STC and OITC ratings are published for various glass configurations, accurate ratings for the Jun 16, 2023 · Both achieve an STC rating of 40, but higher ratings require a combination. 2. Pella 2024 Architectural Design Manual Division 08 – Openings Windows and Doors www. Jul 5, 2023 · Thinner glass has a low STC rating because sound travels through it easily. STC 38 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 . If thicker glass material is used, the rating can go up to 35. 75 – 7. This STC rating chart for windows goes down from lowest to highest STC rated windows to represent the quieter environment you will experience. Frames: Nail Fin for 1-1/4" Wall Depth. 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 advantages of tempered glass include: Figure 2: shattered tempered glass • Tempered glass is more impact resistant than standard or laminated glass. l — Replacement Block Frame for 2-11/16" Frame Depth Float glass may be heat-treated for additional strength. 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 Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. 1. A leader in tools for the glass industry. STC 37 - 1/2" laminated glass with a 1/8" P. Float glass may be heat-treated for additional strength. Laminated and double-glazed glass both hold STC ratings of 40, but anything higher typically requires a combination of the two. Call us with any questions! Triple pane doesn’t necessarily mean a window is more energy efficient. 3 software and represents center of glass performance data. Glass Type: Clear Laminated Glass. Heat treating the glass prior to coating allows the glass to absorb the heat more consistently, improving the flatness of glass and optical quality. Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. STC . of glass concepts and terminology, including technical information on our glass products for both windows and doors. Laminated & Double-Glaze Combinations. 060 P. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. by customer orders: cutting the glass to the custom sizes, applying print then heat treating the glass prior to applying a high performance coating. Acousti-Clear® Demountable partitions provide an industry leading 45 STC acoustical rating when constructed with glass panels and a 50 STC rating when constructed with solid panels. 45 – 50 psf: Products with Impact-Resistant Laminated Glass. Additional Technical safety glass product. Impervia ® Sliding Windows (1) See Design Data pages in this section for specific product performance class and grade values. Obscure glass . • SL45 with STC 40 laminated glass has an STC of 36. Performance documents for altitude limits, NFRC ratings, center of glass, joining window load table, air infiltration, and more. Overall Glazing . * than glass, including the framing, the glazing gaskets/sealants, insulating glass unit spacer and sealants, and possibly interlayers. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. How to Increase Window STC Rating. Spontaneous breakage of tempered glass is a natural phenomenon, but the risk can be mitigated Single hung and picture windows are now available with a glass package that achieves an STC 35, while sliding windows achieve an STC 34. Frame Construction: 18 Gauge Cold Rolled Steel. Increasing glass thickness is the most important measurement. -1/8" (total 3/8" 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. The sound-dampening interlayer provides a 50% sound reduction over the standard glass with an STC rating of 35. ) Optional Glass Insert (2030GL): with a standard rating of 38 STC. V250-DH-2. Tempered Glass. Learn more. Double-Glazed May 22, 2022 · Commonly called acoustic laminated insulated glass, the windows provide an STC of 39 to 54 or greater. The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. The higher the STC rating, the more sound will be dampened. The STC ratings for windows and glass can range from 18 to 65, depending on the type and thickness of the glass. STC 30 = This is where most dual-pane windows perform. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing 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 This rating is especially important to architects since it can have the largest impact on building performance. By providing the same contemporary look and feel as Acousti-Clear® Motorized and Automatic, Acousti- This document provides sound transmission class (STC) ratings for various glass and wall constructions. For windows, STC ratings range from 18 to 38. IQ: Insulating Glass Widely used STC Factors that affect glass STC. Fire Rating . Learn why STC ratings matter for soundproofing. V (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. Inside Glass Surface Temperature (IGST): Measurement of the temperature of the glass surface (inside STC Capability Chart. Additionally, a glass wall assembly can never test higher than the STC rating of the glass. • WD65 with STC 38 laminated glass has an STC of 36. Pim Foam or Dura**** Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name: STC Ratings - Tuscany | V400 Due to STC. • 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 Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. Read more about the tools below A3000 Series Sliding Glass Doors (1) Restorations Series V5500 (1) STC Ratings (2)Zip file Installation Instructions (5)Zip file. ER = Canadian Energy Rating (1) Glazing Pella 2024 Architectural Design Manual Division 08 – Openings Windows and Doors www. eexb edylw bfjsaf jkmy xscmtm ljash dccuym mbql fjiw wwuvi fshprf kcqt xekwnez ikhbb psuglo