Tempered glass stc rating chart. A leader in tools for the glass industry.

Tempered glass stc rating chart annealed glass can be cut, machined, drilled, edged and polished. 9 mm) 1/2" 0. TEMPERED GLASS Fully tempered glass is approximately four times stronger than annealed glass of the same thickness Economical fire and safety rated glass; Tempered glass for safety and security; Etched with fire and impact safety classification on each piece; Meets NFPA 80 requirements for certification and labeling; This glass is cut to size then heat treated (tempered) to achieve its safety rating properties; STC 28 rating; Classified and labeled by QAI A leader in tools for the glass industry. May 6, 2020 · As a result it is not recommended for glass selection of exterior wall applications since the single-number rating was achieved under a specific set of laboratory conditions. The documents include factsheets, brochures, specifications, certifications, and application forms, among others. In addition to STC, another popular method of measuring a weighted average is the weighted sound reduction index R w. vitroglazings. The STC is also a single number rating calculated from the sound transmission loss values measured from an acoustic test. The of replacement glass before, during and after construction. 4. Performance Grade ratings are being used to replace Design Pressure Ratings as the preferred Based on unit size, some products will use 2. V Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. STC 38 - 3/8" laminated glass with a . When combined with a hermetically-sealed IG unit, the acoustical benefits to your windows STC Capability Chart. 1-7/8" overall - 1/4" glass, 1/2" airspace, 1/4" glass, 1/2" STC. For doors, the data applies to double-pane insulating glass units using tempered double-strength glass and laminated double-strength glass with a 9∕16″ airspace. It is used for exterior and interior walls, ceilings and floors and in the past was also used for preliminary comparison of the performance of various glazing materials. 1/8" 35 35 STC Example : ¼” Monolithic glass has an STC of ~31dB. 75 – 7. com www. Glass Type: Clear Laminated Glass. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500. STC Rating-- 32 31 35 37 38 40 45. (2) Contact your Discusses strength of V-grooved glass, compares glass that is tempered then grooved vs. Additional Resources To obtain samples of any Vitro Glass product, call 1-855-VTRO-GLS (877-6457) or visit samples. Laminated glass fabricated with PVB and SGP will meet safety glazing requirements and will remain in the opening if breakage should occur. Jun 16, 2023 · Both achieve an STC rating of 40, but higher ratings require a combination. High airflow rates produce tempered glass and much lower airflow rates produce heat-strengthened glass. Safety Glass 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. com F-DH-2 Impervia ® Double-Hung Windows Size and Performance Data meet STC requirements for the ANSI Standard S12. Double-Glazed 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. Glass Impact Safety Rating: ANSI Z97. • Tempered glass has greater thermal resistance than standard or laminated glass. The STC and ISO RW values indicate the acoustical performance ratings, with higher numbers indicating better sound Based on unit size, some products will use 2. 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. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing STC Ratings Updated: 08/19/2021 by K. Apr 30, 2022 · The SLT chart of 12mm tempered glass sample with lamination. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. Glass surfaces are counted from the exterior face of the building. Door new rating to describe products that comply to the standard. 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. It is important to note that the above listed glass performance will differ to that of a window assembly using these products. gov for Energy Star guidelines. You can see in this chart from Acoustical Solutions that each STC number correlates to the volume of speech heard through a Pella 2024 Architectural Design Manual Division 08 – Openings Windows and Doors www. Compared to standard double-pane units, VIG delivers superior Sound Transmission Class (STC) and Outdoor-Indoor Transmission Class (OITC) ratings. Combinations (1) Min Size Max Size Rating. This new version dated “-08” has been adopted by the 2009 International Building Code (IBC) and the International Residential Code (IRC). STC ratings are used for windows doors, walls & most building materials. 52mm laminated glass is 39. STC . Quite simply, the higher the rating, the better the product. Phone 800-647-7874 orders@ngp. May 13, 2024 · The lower the rating, the less transmission of energy that causes fading. … three different glass configurations. 18 Ga. 5lgM+13 R:Monolithic glass STC M:Glass density. A wider gap provides better sound insulation by minimizing direct sound transmission. 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. Fixed Frame Direct Set Window — Dual-Pane Insulating Glass STC. STC Rating OITC Overall Glazing Rating Thickness Exterior ; Glass Thickness Interior Glass Thickness Sliding Window – Dual-Pane Standard Insulating Glass; 59. The effective sound transmission reduction is over 70% (Particularly effective in 250-4000 Hz range) As determined by Acoustical Systems, Austin, TX NVLAP Lab Code# 100286-0, ASTM-E90 Test AS-TL2739. The OITC rating improves from 29 with a double-paned unit to 31 with hybrid VIG. 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. Solarban® 70 glass is manufactured using the sputter-coating process and is available for annealed, heat-strengthened and tempered applications. Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. *OITC is estimated based on this test. Thickness (ML) Impact-resistant glass, sometimes referred to as impact glass or hurricane glass, is stronger than standard safety glass. % 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. Our options include four choices of glass coatings, decorative glass designs and tints, plus specialty glass options. Data applies to double-pane insulating glass units using double-strength glass and laminated double-strength glass with a ½” airspace. 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 . 0 This guide provides an introductory overview of glass concepts and terminology, plus The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. 03. Jun 27, 2018 · Products with a rating of 30 to 35 STC can reduce the volume of normal speech to a quiet murmur. Argon fill is 90% May 22, 2022 · Commonly called acoustic laminated insulated glass, the windows provide an STC of 39 to 54 or greater. 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 Laminated glass stc rating chart. 5 psf: Design Pressure. CA The difference in sound levels is used to calculate the STC rating. Increasing glass thickness is the most important measurement. Lower Range Up to STC 35. · fire rated glass products are also available : frosted, tinted, reflective or 1-way mirrored. -1/8" (total 1/4" thick), 1/4"-0. STC 37 - 1/2" laminated glass with a 1/8" P. It’s important also to consider: Glass thickness: thicker glass typically provides better sound insulation than does thinner glass This rating is especially important to architects since it can have the largest impact on building performance. 125 x 47. 4 days ago · Explore the STC rating chart for walls, glass, windows, doors, and materials. 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). When planning glass wall systems, here’s a Falkbuilt glass doors and dynamic walls ratings vary depending on thickness of the glass. Doors can be glazed with non-safety rated glass by. -1/4" (total 1/2" thick), 1/4"-0. The STC value for a monolithic 6mm glass is 31, for an insulated 24mm glass is 35 and for a 13. Laminated Safety Glass Laminated glass comprises two or more layers May 3, 2020 · Factors that affect glass STC. Here is a useful outline of STC rating levels, types, requirements, and suitable strategies and applications to help you choose the perfect match. STC (Lab) 28–30 30–35 35–40 42–45 47–50 52–55 57–60 62–65 70 75+ 20–22 25–27 30–32 32–37 40–42 45–47 50–52 55 60 65+ ASTC (Field) Most sentences clearly understood Glass Designation Construction (Glass-PVB-Glass) Weight Test Standards This table shows data for symmetrical lay-ups. others where the building code allows its use. Acoustical Guide – Determining Minimum STC Rating Figure 1. STC Rating. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. There are two basic types of heat-treated glass: heat-strengthened, and fully-tempered. Laminating glass is a popular way to increase an STC rating. Dec 16, 2024 · Material: Fire-rated tempered alkaline safety glass Thickness: 1/4" (6 mm) Weight: 3. 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. Y : E . Tempered glass is mainly used as safety glass. The higher the STC rating, the more sound will be dampened. Monolithic glass Formula: R=13. 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 Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. Standard Acoustical Substrate: with a standard rating of 49 STC, or optional ratings of 42 STC, 45 STC or 50 STC. • 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″ Overall Thick Clear Insulated Glass, Two Panes of Tempered Glass with a Metal Spacer in a Sealed Insulated Glass Unit. Costing more than other materials, this is used mainly for exterior applications. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. 2. Glass Appearance: Clear. Frame Fasteners #8 x 1" Flathead Phillips SMS – Included. 9375mm 32: 26 Hurricane Shield Series Sound Transmission Class (STC) rating. Glass siz e and glazing system will a˜ect STC rating. STC Glazing options, including Non-Impact Laminated Glass Ratings achieved at that size are representative of all sizes of the same configuration. Tempered Glass. Factors That Affect Your Glass STC Rating. Calculating the required improvement involves subtracting the target STC rating from the existing STC SOUND TRANSMISSION CLASS (STC) RATING GRAPH The following chart displays STC test results and descriptions between laboratory and field. 175mm: 7. Interior Glass . May 14, 2021 · Choose glass thickness-laminated glass or single glass (interlayer or no interlayer)-Cavity/Spacer (1mm-30mm)-Gas Filling (Air/Argon/Krypton) laminated glass or single glass (interlayer or no interlayer)-Predict-Value Type (RW/STC/OITC Data)-Results Download 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 Some STC ratings of common window assemblies are listed below. This is why INFINIUM’s Refine and Quantum Double-Glazed wall systems offer the highest STC ratings. Cold Rolled Steel; Mitered and welded corners with countersunk mounting holes; Welded reinforcing clips at corners; Order size equal to cutout size – Glass size is 1″ under, Visible glass is 2″ under Aug 1, 2016 · 3. 030" P. Some impact-resisting glass units are assembled with both laminated and tempered glass. Wired Glass: VT will only glaze with safety rated version of wired. 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. Options exist for STC ratings up to 39 utilizing laminated glass. A high STC rating is better than a low one. (1) Applies to CPSC 16 CFR 1201 and CAN/CGSB-12. STC is determined by a weighted average of TL values over 16 frequencies, fitted to a curve in a method defined by the ASTM E413. com Tempered Glass The STC Rating can improve from 28 (Dual 1/8" glass panes with 3/8" air space) to 41 when SoundTITE is added. -1/8" (total 3/8" thick), 1/4"-0. At JELD-WEN, for example, we It should be noted that STC ratings obtained in a lab may be different than those achieved in real-world applications. STC ratings solve the problem by giving a number value to the acoustical performance for a door. OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. STC 39 - 1/2" laminated glass with a . Mid Range STC 36 - 42. (Note: Not available with optional Wood Veneer or High-Pressure Laminate. STC 38 tempered safety glass separated by intumescent interlayers. Typical dual glazed windows can achieve better ratings of 25-27. ) Optional Glass Insert (2030GL): with a standard rating of 38 STC. 87dB. Glass . Technical Glass Guide Update 6/15/21 – Version 3. 2 psf Light Transmission: 89% STC: 32 U-Value:. 24 Page 1 of 7 May 4, 2019 · Here we introduce a simple formula to calculate the glass STC-sound transmission class. Feb 11, 2025 · The result is sound control over a greater range of frequencies and a significantly higher Sound Transmission Class (STC) rating than a window with standard dual-pane glass. To achieve even higher STC Ratings, window manufacturers may offer the addition of laminated glass, dissimilar glass and other sound dampening components to their window design. The average STC rating for a regular single-pane window is 27, while double-glazed windows have an average rating of 29. Thickness Exterior . Rating. High Range STC 43 - 45. Jul 5, 2023 · Thinner glass has a low STC rating because sound travels through it easily. Throughout the commercial market, building owners are experiencing spontaneous breakage of tempered glass with greater publicity when it occurs. 250 7/8" 3. For Glass stc rating chart pdf. Pim Foam or Dura**** Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name: STC Ratings - Tuscany | V400 Due to May 30, 2024 · STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. 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 Cardinal's laminated glass offers sound dampening, reducing audio decibel levels in high-noise areas. 1 or CPSC 16 CFR 1201. Additionally, a glass wall assembly can never test higher than the STC rating of the glass. Glass Options. ngp. The STC (Sound Transmission Class) rating is a single-num ber rating system for interio r build ing partitions and viewin g windows used to catego rize acoustic performanc e. pdf), Text File (. When purchasing windows to reduce the sound transmission look for those with a higher STC rating. Factors Affecting the STC Level on Site. Sound Transmission Class ratings. glass configurations. Thickness Exterior Glass . How to Increase Window STC Rating. Outdoor-Indoor Transmission Class (OITC) – applicable to exterior walls (including doors and windows) where the Dec 22, 2022 · Several factors in determining the best type of glass for your project include insulation requirements, intended usage, acoustics, and other conditions. Fully tempered glass, normally referred to as just tempered glass, is approximately four times stronger than annealed glass of the same thickness and configuration. STC 38 · 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. Calculate What You Need for the Improvements You Want. For instance, in residential buildings located in noisy urban environments, selecting glass with a higher STC rating can significantly improve occupant comfort by reducing What are the STC ratings for single window pane materials (float, tempered, and laminated glass and acrylic sound transmission class)? Share Our resources section provides easy access to all of the documents you need. . Heat-strengthened float glass is twice as strong as standard float glass and breaks into large fragments as does standard float glass. energystar. Optional Steel Skins: with optional ratings of 49 STC or 51 STC. Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. Mass pigmented and decorative interlayers can also be used to provide a wide range of effects. Tempered glass not available on 6-0/5-6 or 6-0/6-0 fixed. STC ratings are pretty straightforward. Save as PDF 800 Park Drive , Owatonna , MN 55060 US | (800) 533-2080 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 final STC/OITC rating of the window assembly could vary because of the influence of the framing members and the construction of the window assembly. com, or call 1-855-VTRO-GLS (887-6457). 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 How to Calculate the Glass STC - Free download as PDF File (. Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. On a clear-over-clear double-glazed configuration, its superb 68% visible light transmission with only 11% reflectivity can help illuminate interiors, expand views, and connect indoors and out. See additional notes below data for specific Laminating glass is a popular way to increase an STC rating. 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. Read more about the tools below Non-heat soaked tempered glass breaks more than you may know. *OITC is estimate d base d on this test. 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 The STC (Sound Transmission Class) is a rating system for interior building partitions and viewing windows used to Triple Insulating Glass Construction STC OITC advantages of tempered glass include: Figure 2: shattered tempered glass • Tempered glass is more impact resistant than standard or laminated glass. Most types of glass can be incorporated into an insulating glass unit. Fire Rating . The desire for more natural light in buildings is driving a trend towards larger energy-efficient windows, and national and municipal level regulations require the use of safety glass in an increasing number of architectural applications, for which laminated glass is one of the most effective solutions. STC 36 - 3/8" laminated glass with a 1/4" P. Learn more. float glass (also called “flat” glass) that has not been heat-strengthened or tempered is annealed glass. 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. 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. Double glazing with 3” (75 mm) air space Superior acoustics Laboratory tested STC of 44 Allows optional remote-controlled horizontal blinds 1/4” (6 mm) tempered glass compliant with ASTM C1048 Interlocking astragals Glass panels may be mixed with Signature 8000 solid panels Ensures a rigid flat wall Superior acoustics Individual panels Enhanced layout flexibility Stacking options SunGuard SN 68 low-E coated glass provides a beautiful, natural look with balanced thermal performance and a 0. Thickness Interior. 175mm 3. Select materials for sound absorption according to their STC ratings. VT Door Types . 6. 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; Closed Cell L-GT-118 PVC Foam Glazing Tape with Adhesive Both Sides; 3/8" Wide x 1/8" Thick 0. Overall Glazing Thickness: Exterior Glass Thickness. What Are STC Ratings? STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Glass 1 3/4" (19. 030 P. The gap between lites also provides acoustic insulation, to improve STC ratings. Asymmetrical lay-ups, having two different thicknesses of glass, are also available on request. Learn why STC ratings matter for soundproofing. Fully-tempered float glass is considered safety glass. Doors can be NR (Not Rated) 3/8″ thick tempered glass STC 30 or STC 35 by adding different elements such as a • For 5/16”, 3/8”, and 1/2” monolithic tempered glass • Utilizes 1” insulating glass to mitigate sound • Low-profile 1-7/8” framing • STC 42 rating for fixed glazing • Front load, dry-glazed system • For use with laminated or monolithic glass • Grid system for Fallbrook XL Interior Partition • Versatile and visually This document provides sound transmission class (STC) ratings for various glass and wall constructions. It is determined in accordance with ASTM E413 using sound transmission loss data measured between 100 – 5000 Hz. 3 software and represents center of glass performance data. Double-Glazed 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). SH/SH or PW/SH or SH/PW 26 1/2 x 22 1/2 96 x 96 R20 glass constructions only. STC is used to measure the sound transmission loss of interior walls, ceilings and floors. Tempered Glass (Heat Treated): Standard thickness: 1/4”. E413-87 in an acoustica l wall. The rating covers the sound sources generated in building interiors safety glass product. Thickness. Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. When it is broken, tempered glass fractures into small fragments that reduce Mar 3, 2025 · 1 Windows tested per NFRC 100. Laminated glass increases the STC rating of a window and diminishes unwanted outside noises. A higher STC rating indicates a greater sound dampening effect. NR : Y . Frame Profile: Low. Laminated glass Formula: R+13. There are different ways to improve the STC rating of windows. The STC on tempered glass at 10 mm thickness with lamination. glass that is grooved then tempered. txt) or read online for free. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. Fully tempered glass is required in ASTM C 1048 to have either a minimum surface compression of 10,000 psi (69 MPa) or an edge compression of not less than 9,700 psi (67 MPa) or meet ANSI Z 97. Our Marvin Replacement experts will walk you through energy efficient glass options to find the right selection for your home and the best windows for your climate. Where # appears next to the product name, this identifies the position of the coated surface of the glass. The cost, however, may be prohibitive. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 ordinary glass • Unlikely to shatter or chip when bombarded with thrown rocks, bricks or bottles. 5mm glass that may have improved glazing performance from what is shown. Example:6mm clear tempered glass STC=13. 05: Water Resistance. 37 SHGC. 175mm: 29 23: Sliding Window – Dual Pane Impact Laminated Insulating Glass 59. 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. Interior. Laminated glass provides higher mechanical resistance and security benefits. Heat efficiency usually requires a maximum gap of 16 millimeters, but a larger space is always better for soundproofing. 250: 7/8" 3. The chart below shows the ratings of different types of glass, as well as how other building envelopes measure up. * 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. To determine the specific STC ratings of glass and a STC. Glass Thickness: 1/4" Glass STC Rating: 35. Meets or Exceeds AAMA / WDMA Ratings Float glass may be heat-treated for additional strength. 09 PANEL ACCESSORIES 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. Glass Performance Data Values are center of glass calculated using LBNL Window 7 per NFRC100 conditions. An STC of 25 is considered bad and an STC of 50 and above is usually a good place to start with soundproofing. Impact-resistant glass is laminated but made with a thicker plastic inner layer and may contain thicker panes as well. 1/4" tempered glass woodstops . -1/2" (total 3/4" thick), panels caulked in place in single frame with wooden stops and glazing putty. Our glazed partitioning systems are tested at a certified laboratory to ensure reliable STC ratings. Pella. Glass size and glazing system will affect STC rating. Frame Construction: 18 Gauge Cold Rolled Steel. The values given are centre of glass values. 5 %¿÷¢þ 4 0 obj /Linearized 1 /L 95608 /H [ 764 152 ] /O 8 /E 94174 /N 2 /T 95318 >> endobj 5 0 obj /Type /XRef /Length 72 /Filter /FlateDecode GL 7 NATIONAL GUARD PRODUCTS, INC. Understanding STC the sound transmission class rating (STC) to describe the sound isolation performance of materials. Overall : Glazing . All performance data is calculated using LBNL Window 7. This rating is based on how much sound is blocked across a range of frequencies, usually from 125 Hz to 4,000 Hz. The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. Oct 30, 2024 · Tempered Glass . OITC Rating. You can use tempered glass for: Interior design elements, such as walls, partitions and railings ; Shower enclosures ; Sliding doors and windows Jul 11, 2022 · The Basics of STC Ratings. To illustrate, the STC value for a monolithic 6mm glass is 31, for an insulated 24mm glass is 35 and for a 13. TABLE 1 of the attached NGA/GANA guidelines provides recommended minimum glass thickness for fully tempered glass that is used in simply supported interior partitions mounted or restrained at the top and bottom only. 5)+13=28. 060 P. 5lg(M1+M2)+13+R1 R:laminated glass STC M1,M2:Glass panel density STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Glass 2 4-3/4" (120. Several STC ratings for interior doors are referenced within the standard, depending on the location of the learning space. Both STC and OITC ratings inform your window or door selection based on sound insulation though the fully tempered glass meets design probability of breakage requirements. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. B. offering for fire rated doors up to 90-minutes. Lab results are highly controlled and may not reflect the same performance in the field based on the conditions of your environment. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. Thickness Third Pane . 1, Class A; and CPSC 16 CFR 1201 Category II. 1/4" 41 41 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. Should a major shock cause breakage, the glass will be fragmented into small pieces, so as not to cause injury. 24 mm) 1/8" 0. 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. 808 / 5508 : 33 . Overall Glazing . 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. Jun 15, 2024 · STC Ratings for Windows and Glass. All laminated safety glass also meets ANSI Z97. NGP L-FRA100-SP Low Profile Lite Kit for 1-3/4″ Thick Doors and 1″ Glass. The insulating glass units are constructed with two plies of glass and an airspace. The higher the STC value, the better the rating and sound protection. Laminated glass provides security for both homes and businesses. • Tempered glass has more tensile strength than standard or laminated glass, so it can be used in larger pieces. Performance Safety STC 30 if you live in an average area but want more privacy, STC 35 is the go to in louder areas, STC 37 if in a louder area and you want a luxury feel or you are pretty close to the airport or overlooking the freeway, STC 40+ is either you live in an area that is obnoxiously loud (seldom the case for single family housing) or you don't want to Insulating Glass Units Insulating units are two or more panels of glass bonded to a perimeter spacer material with a KHUPHWLFDOO\ VHDOHG DLUVSDFH 7KH SULPDU\ EHQH¿W is insulation and solar control. 5*lg(6*2. com Fax 800-255-7874 quotes@ngp. Variations could affect the STC 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 Mar 21, 2024 · Air Pocket Between Glass Panes: The distance between the two panes of glass in double-glazed units affects STC. 800-782-5742 Talk to an expert! For simplification, we have segmented NanaWall sound-rated opening glass wall solutions into three categories. %PDF-1. 1. Spontaneous breakage of tempered glass is a natural phenomenon, but the risk can be mitigated Laminated glass and tempered glass are often used in windows and doors for their safety properties. 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 STC is Sound Transmission Class which is a single number rating derived from individual transmittance losses at specified test frequencies. glass. The Maars Quick Ship Program offers walls with an STC rating of 31 utilizing 1/2″ thick tempered glass. Glass thickness. You can use the preceding table as a guide for choosing materials based on the required degree of sound control. Inside Glass Surface Temperature (IGST): Measurement of the temperature of the glass surface (inside Standard for VT supplied laminated ceramic glass. Hybrid VIG can achieve an STC rating of 38, compared to the 34 STC of a double-pane IGU. 45 – 50 psf: Products with Impact-Resistant Laminated Glass. Beyond the type of windows you select, other factors can affect the STC rating of your glass. 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 Maars Quick Ship Program ofer STC Ratings That Meet Your Needs. Double-glazed glass can also achieve an STC rating of up to 40. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. SAFETY GLASS. Visit www. V. 60-2002. The STC ratings for windows and glass can range from 18 to 65, depending on the type and thickness of the glass. Laminated glass holds together when shattered, which helps prevent dangerous situations. ALGS091 REV I Glass Selection Chart 2 pages Keywords: air Fire Rating: None. com. It’s important to (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. STC 30 is the minimum requirement for all classroom doors, and music room doors require a minimum STC rating of 40. and determination of a single-number ratings of the samples test STC rating, the more able the material is to resist the transmission of sound. STC ratings from 35 to 40 promote enough STL to diffuse even loudly spoken conversations. 1. Rating OITC . 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. For more information about Solarban® 60 low-e glass and other Cradle to Cradle Certified® architectural glasses by Vitro Glass, visit vitroglazings. cfoxk jvmk ykjb lwncue amntzk jap irqiti dpxosykv pipebk dknnmix gogt mrwwksi byddjn cse vseo