Stc rating laminated glass ceiling 060" PVB, 1/4" glass Laminated Glass Construction STC OITC 100 125 160 00 2 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 Frequency (Hz) Sound Transmission Loss (dB) LAMINATED ACOUSTICAL DATA The performance data below applies to laminated glass units. • SL45 with STC 40 laminated glass has an STC of 36. For example, MLV has an STC rating of around 27. GLASS OPTIONS Tempered Laminated Clear or low iron Clear or translucent interlayer finish STCc 35 STCc 45 Patient room to corridor and exam room to corridor • 4-inch stud cavity • 1 layer of 5/8-inch gypsum each side • 2-inch glass fiber batting • Construction gaps and electrical boxes sealed Patient room to patient room • Additional layer of 5/8-inch gypsum to one side of assembly. g. • Viscoelastic adhesive between layers. Glass Kits: If your door includes glass panels, the type and thickness of the glass will affect the STC rating. Laminated glass is like the Single & Laminated Glass Data. 030" P. Commonly called acoustic laminated insulated glass, the windows provide an STC of 39 to 54 or greater. Select finishes that suit your design The 56 STC studio windows are similar to the 45 STC window, but have an extra pane of ¼” laminated glass that is situated vertically behind the slanted IG unit in the front part of the window. Sound Transmission Class (STC), ASTM E 90 and Outdoor-Indoor Transmission Class (OITC), ASTM E 1332: Framed partition with 12. 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. OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. -1/4" (total 1/2" thick), STC. foil-backed mass-loaded vinyl barrier laminated to 1″ and 2-1/8″ glass fiber core with white cleanable face. Think of it as a sort of ‘noise-blocking grade’ for glass. The STC rating very roughly reflects the decibel reduction of Installing absorptive insulation, for example fiberglass batts and blow-in cellulose, into the wall or ceiling cavities does increase the sound performs better acoustically than a non-laminated glass of equivalent thickness. 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 stc_rating_chart. T. STC rating goes from 25 – 65. A wall system with an STC < 35 is considered low Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. Its composition helps to reduce sound vibrations, improves STC ratings, and often is used in durable products, like windshields. 962. Oldcastle BuildingEnvelope ® offers a variety of Decorative laminated glass promotes productivity, natural light, and enhanced Sound Transmission Class (STC) ratings, along with unparalleled aesthetics for display cases, modular walls, dividers, and partitions within STC stands for Sound Transmission Class. It’s a rating used to quantify a material’s ability to block sound waves. Essentially, it’s the report card of a structure’s ability to reduce noise. Measure the sound in the adjacent room: Then, go to the adjacent room and take a second recording of the number An STC 26 window will block 50% of the noise of an STC 36 window. 1/8" 35 35 Laminated- sulating Glass 2 4-3/4" (120. Header can attach directly to ceiling, soffit, bulkhead, or structure. • WD66 with STC 13/16" overall - 1/2" glass, . The OITC (Outside-Inside Transmlssion Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. The higher the STC rating- the better the sound control. In the past, STC was used as a preliminary comparison of various glazing materials. 5lg(M1+M2)+13+R1. SOUNDPROOFING INFORMATION 1 SF6 the overall STC rating of the glass can be improved by as much as 3 points. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 Glass Product Type and Thickness STC Rating OITC Rating; ¼" Monolithic Glass: 31: 29: ½" Monolithic Glass: 36: 33: ¼" Glass + ½" Air + ¼" Glass IGU: 35: 28: When using laminated glass, you can increase the glass thickness or use different glass thicknesses for STC stands for Sound Transmittance Control and its the standardized way of measuring the sound deadening properties of building materials. Home; About Us; Contact Us; Request A Quote; Energy Efficiency 101; 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. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. It lists the construction details and Sound Transmission Class (STC) is a measure for rating the performance of a wall system as a barrier to airborne sound transmission between adjacent closed spaces such as offices. 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 ability of a wall or floor/ceiling assembly to reduce the sound energy passing from one space through a partition and into an adjoining space is described in one of two ways: o For Wall Systems – The effectiveness of the assembly to inhibit “ airborne ” noise vibrations from passing through the wall is identified as its Sound Transmission Class (STC). Siège Social: 5502, Notre-Dame Est, Montreal, QC H1N 2C4 t: 450. Using a Double Pane Glass Wall can give you an STC rating of 42 to 45. B. Acoustic glass typically has an STC rating of 35-40, 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. What Are STC Ratings and Why Do They Matter? Definition of STC Ratings Laminated glass provides higher mechanical resistance and security benefits. 1) - PVB 34 8. A lot of the times you can get a double strength IGU (glass unit) with a laminated panel that will have a higher STC rating than a triple glazed IGU. (STC) rating: 30-35; SCS Indoor Advantage Gold Certified; Image credit: Dan Schwalm. A common way to accomplish this is to use laminated glass. It should be noted that STC ratings obtained in a lab may be different than those achieved in real-world applications. Normally the human ear cannot detect a 1-2dB change in sound. The higher the STC rating, the more sound will be dampened. Laminated Glass Master Format Specs MasterFormat Spec for Laminated Glass. Laminated Glass Stc Rating - Factory, Suppliers, Manufacturers from China. Quiet acoustics with STC rating of 50; Paint it, wrap it, inkjet print on it; Key Features. Save as PDF 800 Park Drive , Owatonna , MN 55060 US | (800) 533-2080 STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. Glass siz e and glazing system will a˜ect STC rating. O. -114• glass) with an STC rating of 34. 5 fi berglass insulation batts, ⁄8" None TL-92-618 38 5 designed to deliver noise control ⁄8" Glass fi ber TL-93-325 49 5 in metal stud Laminated Glass: Laminated glass consists of multiple layers of glass with an interlayer, usually made of polyvinyl butyral (PVB). A detailed discussion of the methodologies and supporting analytical rationale are provided in Section 4. The gap between panes provides acoustic insulation as well, which helps improve STC ratings. * * [The data and information set forth are based on samples tested and are not guaranteed for all samples or applications. 00" +1. This means one pane of glass is thicker than the other. We measure STC as a whole number – a higher number means better soundproofing. Width: 8” to 120” Height: 12” to 120” Orientation: Landscape How Is a Wall’s STC Rating Calculated? You can determine STC rating by using the following STC calculation formula: Measure the sound in the room of the noise source: Use an audiometer to record the decibels of the room with the source of the noise. Choose from clear or low-iron varieties of tempered or laminated glass in ¼” (6mm), ⅜” (10mm), or ½” (12mm) thicknesses. 0 mm thick laminated glass: STC 33; OITC 30. STC RATINGS EXPLAINED. ” This rating system is the Sound Transmission Class, or STC classification system. STCratings have been determined from TL data using ASTME413. Laminated glass with an air pocket is often HELP ME CHOOSE - ACOUSTIC GLASS The STC and OITC rating measures a window’s ability to block sound transmission. ™ Sound Barrier Suspended Ceiling Tile features a 1 lb. If the window has an STC rating of 30, the final STC with the addition of the blanket is not 65. The air space between the glass helps dampen sound too, increasing your privacy. See Section 3 for actual higher STC ratings. Milgard’s Quiet Line window, with three layers of glass, achieves some of the best STC ratings available. What Is a Good STC Rating for Windows? As an example, STC rating of 22 to 24 with gaining two points, shows a 90% reduction in noise. One of the reasons I did not write a specific number is that one of the factors affecting the TL of laminated glass is the thickness of the plastic used in between. Double-Glazed Double-glazed, or double-pane glass features two panes in a frame with a layer of air between them. 36 STC 1/2" Tempered Glass; 38 STC 1/2" Laminated Glass; 39 STC 1/2" Laminated Glass w/ Acoustic Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. . OITC* Frequency (Hz) 100 125 160 200 250 315 An STC label delineates how partitions and walls effectively block sound and reduce noise. P. 1/ 0. This document provides sound transmission class (STC) ratings for various glass and wall constructions. As discussed in Section 2, STC ratings and the Rw for most glass configurations are equal. pdf), Text File (. 866. -1/8" (total 3/8" thick), 1/4"-0. Learn more. STC rating is recommended for interior glazing Some STC ratings of common window assemblies are listed below. Learn why STC ratings matter for soundproofing. OA Glass 1 Glass 2 Acoustical Ratings - Tuscany I V400 updated 09. Think Loud Studios Malvicino Design Group 15. 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 North America, a rating system was introduced in 1970 under ASTM E 413 “Classification for Rating Sound Insulation. *OITC is estimate d base d on this test. Working with an acoustician we can determine the STC rating of a room based on the area of exterior wall, area of windows and doors, ceiling area and what all these assemblies are made of. Always specify the minimum STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 Single Laminated Glass 1 Laminated- Insulating Glass 2 1" (26. 800-782-5742 Talk to an expert! MAIN MENU MAIN MENU. Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. be it a wall, ceiling, door, or window, reduces airborne sound. For extreme noise conditions like airports, Quiet Line can be enhanced with laminated glass and heavier glazing. Width: 12” to 60” Frame Height: 84” to 120” Glass Height: 16” to ceiling height minus 12” Glass Thickness: 3/8” (10mm) tempered or laminated glass +/- 1/2” vertical allowance at top +/- 3/4” vertical adjustment at bottom; Solid Skins. Double glazed windows are a bit superior for blocking sound, with an average rating of 29. The performance data below applies to laminated glass units constructed with two plies of glass and an interlayer. A single pane of glass can have an STC rating of about 30 to 36 depending on the thickness. A higher STC rating indicates a greater sound dampening effect. Installing insulation within a wall or floor/ceiling cavity will improve the STC rating by about 4-6 dB, which is clearly noticeable. At JELD-WEN, for example, we offer a variety of dissimilar glass combinations on our Vinyl windows that carry up to an STC 34 rating. 75", Ceiling +/- 0" *Cannot adjust down. These soundproof ceiling tiles offer high STC and NRC Stick-built dual-pane and multi-pane configuration ceiling height Variable, dependent on support and glass type Extrusion length maximum 12’ (3. 31 May 2022 Laminated Glass MSDS 31 May 2022 Lightbox Solution Document / Install Manual Specification and Installation information for the 3form Lightbox (2010 Version 2). Laminated Glass PolyVinyl Butyral (PVB) or Ethylene Vinyl Acetate (EVA) adhesives harden to sandwich two lites together, even if cracking occurs. Choose from clear and low-iron varieties of tempered or laminated glass in ¼” (6 mm), ⅜” (10 mm), or ½" (12 mm) thicknesses. R:Insulated glass STC. Please request our test results package. Glass size and glazing system will affect STC rating. STC 43 Assembly Components Finish material 5/8” Gypsum Size 3 5/8” Steel Stud Spacing 16” oc Product AFB Thickness 3. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. Standard glass doors can have an STC between 28 and 35, laminated between 35 and 40, and soundproof glass from 48 to 55 or higher. Laminated panes’ STC ratings typically provide and The STC (Sound Transmission Class) is a rating system for interior building partitions and viewing windows used to categorize acoustic performance. STC Ratings of Common Glass Assemblies Similar to wall assemblies, STC ratings for windows are determined in laboratory tests. 3632, f: 450-462-7972 1. 462. Sound Transmission Class (STC)—measures sound transmission of interior spaces with frequencies ranging from 125 to 4000 Hz; higher STC numbers mean less sound is transmitting beyond an interior space. Laminated Glass Construction. A small gap the sound transmission class rating (STC) to describe the sound isolation performance of materials. Testing 44-48 STC; Solid Panel; Acoustic Flyover 0. • SL60 with STC 38 laminated glass provides an overall STC of 36. Additionally, a glass wall assembly can never test higher than the STC rating of the glass. Ratings are calculated by broadcasting a certain auditory tone near the material and Header can attach directly to ceiling, soffit, bulkhead, or structure. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. This product meets ANSI Z97. 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. Type glass thickness-Calculate-Download performance datasheet in PDF file. 5” Acoustics Assembly Number: ISS-02 STC: 43 OITC: 28 Report No. Laminated STC is another critical metric that quantifies how well a wall or other vertical partition blocks sound. A partition is given an STC rating by measuring its Transmission Loss over a range of 16 different frequencies between 125-4000 Hz. 030 P. com Increasing Acoustical Conditions; Glass wall systems carry certain rating and values that will get you where you need to be when absorbing GLASS TYPE What Are STC Ratings?Sound transmission class (STC) labels to specify how partitions and walls block sound and reduce noise. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500. Sound Transmission Class ratings. The cost, however, may be prohibitive. Cardinal's laminated glass offers sound dampening, STC and OITC are standards that measure sound attenuation. Noise S. STC. 1 and CPSC 16 CFR 1201 Cat I and Cat II (Category I and/or Category II) Safety Impact performance criteria. STC TD-128 - Laminated Glass - Thermal and Optical Properties Offers performance tables for selected laminated Vitro Glass products; TD-129 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. Figure 1. When combined with a hermetically-sealed IG unit, the acoustical benefits to your windows Sound Transmission Class (STC) ratings are used to measure the effectiveness of acoustic glass in blocking sound. , Saflex Acoustic PVB). Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. 16. Assemblies will be organized by STC value ranging from an STC of 40 to an STC of 57. 14. Laminated glass: 35-38: Noises can be barely heard. Both STC and OITC ratings inform your window or door selection based on sound insulation Gaps or weaknesses in the frame can compromise the STC rating. Laminated glass • Center mount glass • STC rating 33 – 38 • Square profile measures just 2” (51 mm) at the widest point • Slim profile ceiling connections • Non-generational design seamlessly integrates with the DIRTT construction system • Height • Glass may be specified as tempered or laminated, ¼” (6 mm), 3/8” (10mm), or Clerestory Glass Frame. Ceiling +/- 0" Base 4. Higher if you use high-performance laminated glass. The laminated glass units are constructed Thinner glass has a low STC rating because sound travels through it easily. 1mm Glass 29 7mm Laminated (3. Laminated glass can have STC ratings of 40 or more. 52mm laminated glass is 39. Except for the acoustic properties, Rw, or STC) ID/City/Country/Glass Usage/Type (Performance Target)-Next The most important thing I’ve learned from this experience is how to determine the composite STC rating of a building envelope. 030"/ 3. 1 mm) 1/4" laminate 1/2", Air 1/4" 39 39 That’s where the Sound Transmission Class (STC) rating for glass comes into play. Use the STC rating! Factors that affect the STC rating include thicker glass, multiple panes with a large air gap, and being well-sealed when closed. STC Ratings for Windows and Glass. 9 NRC; STC/NRC Range. Indow inserts are made of acrylic, which absorbs and resists sound better than glass. Glass Product Type and Thickness STC Rating OITC Rating Monolithic 3/ 32 ” 26 - 1/ 8 ” 29 - ¼” 31 29 ½” 36 33 Sealed Insulating Glass Units 1/ 8 ” glass + ¼” air + 1/ 8 ” glass 28 26 ¼” glass + ½” air + ¼” glass 35 28 ¼” glass + 1” air + ¼” glass 37 E413-87 in an acoustica l wall. Laminated glass is a good upgrade as it will block more sound than tempered glass of the same thickness (about 20% quieter). 66 m) *Frame assemblies that exceed module maximums must be validated by DIRTT to confirm they meet building code. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. AGC Pyrobel® 90 by AGC is listed for use in doors, sidelites, transoms, borrowed lites, and wall applications with a fire rating of up to 90 minutes. The STC ratings for windows and glass can range from 18 to 65, depending on the type and thickness of the glass. Some companies specialize in manufacturing acoustic windows which make use of multiple lites, often laminated and separated by an airspace in window frames that are split between the lites to create isolation similar to The STC rating is measured in decibels (dB) and reflects the amount of noise that is reduced when it passes through the window. The STC (Sound Transmission Class) rating is a single-num ber rating system for interio r build ing partitions and viewin g 1/4” (6mm) monolithic glass has an STC rating of 31 1/8” x . 8mm Sea-Storm Laminated Glass Laminating glass is a popular way to increase an STC rating. PVB and EVA are solid insulators, with some laminated panes’ STC ratings reaching as high as 40 or more. ft. 1/8" 35 35 Explore the STC rating chart for walls, glass, windows, doors, and materials. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. 24 mm) 1/8" 0. 70 60 --STC38 STC (Sound Transmission Class) rating is a crucial consideration for architectural laminated glass customers. The higher the STC rating, the better the soundproofing. components. 03. Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. Our items are commonly identified and trusted by customers and may fulfill continuously switching economic and social wants of Laminated Glass Stc Rating, Laminated Glass 19mm, Custom Tinted Tempered Glass, Top 19mm Tempered Glass,Curtain Wall Glass Material. To find out the best windows and their glass STC rating chart, contact the best window company in Toronto such as Vinyl Light. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 to provide conservative estimates of required STC or Rw ratings to be used by the building designer as a planning tool for window glazing. If thicker glass material is used, the rating can go up to 35. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. 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. A reference contour is fit to the 1/3 octave-band Sound Transmission Loss (STL or TL) values with a maximum of 32 BLACK - 5/8" + 5/8" Laminated Glass Windows (ST650 + ST650R) RED - 5/8" +3/8" Laminated Glass Windows (ST650 + ST400R) 15 20 25 30 Both testing agencies measured the same STC rating with the same TL spectrum within allowable measurement tolerances. When 1• double laminated insula1ing glass (1/4" laminated glass-1/2" air space-114• laminated glass) is used instead, the STC rating increases to 38. When combined with an IG unit, the acoustical benefits to your windows increase – and a double-laminated IG unit provides maximum sound protection. We use it for anything from drywall and brick to glass and plastic – anything that can be considered a building material. You would have to do more serious calculations to find the right answer, or test the blanket + window assembly, but essentially you just need to know these two things: The STC rating of a soundproofing product is the rating of the product alone. The second thread that showed up has 3/8" laminated glass right in the the topic title! The link I provided in that thread has the STC data on several types of laminated glass. /sq. Widely used Oldcastle BuildingEnvelope ® offers a comprehensive line of laminated glazing solutions including security glazing. The best sound reducing windows have dissimilar laminated plates with a wider air gap between the glazing. *OITC is estimated based on this test. V. In general, test specimens with higher STC ratings will have better acoustical performance than those with lower ratings. Rankings are then calculated using a non-combined logarithmic for 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 Glass lamination encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. Glass inserted into a wood or steel panel door will vary based on how it is sealed into the frame and the rating of the door initially. Sound Control Laminated Glass Tel 604 882 3513 Fax 604 882 3510 TF 888 391 1166 Alberta Distribution Centre 6 - 4315 61 Avenue SE, AB T2Z 1Z6 Canada Tel 403 984 6573 STC rating may only be assigned to specimens tested in a laboratory setting. -1/8" (total 1/4" thick), 1/4"-0. ] SVC Rw summer TL 85-198 TL 85-170 - - TL 85-234 TL 85-229 TL 85-225 - - TL 85-228 - - TL 85-230 TL 85-213 Understanding and applying STC ratings can help architects, facility managers, and business owners design spaces that optimize acoustic performance and protect speech privacy. A basic wood structure floor/ceiling typically has an STC rating of 40-43, while a Specifier: STC and OITC may vary based upon glass panel selections; consult DORMAKABA representative for details. It’s like the cousin of CAC but focuses on walls instead of ceilings. There are different ways to improve the STC rating of windows. The laminated glass interlayer should be of a thickness and type designed for optimum acoustic performance (e. These windows are used extensively in commercial studio applications. 125-4000 Hz is consistent with the frequency range of speech. -1/4" (total 1/2" thick), RAL TL 85 and TL 95 sound transmission loss tests are in accordance with ASTM E90. NWTL140828-03 STC 40 Assembly Components Finish material 1/ . • WD65 with STC 38 laminated glass has an STC of 36. muraflex. However, depending on the goals for acoustical attenuation, it may be benefi cial to test the Sample STC 3. Comparable to that of a standard wall. Combining different glass thicknesses with laminated glass adds even more sound control. How to Increase Window STC Rating. STC Example : ¼” Monolithic glass has an STC of ~31dB. An easy way to get a better stc rated window is to add dissimilar glass. Ratings are determined by broadcasting a specific auditory tone near the material, and measuring dB on bothsides. 3632 , 1. The higher the STC value, the better its insulation. Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. [25] Sound leakage. Laminated glass increases the STC rating of a window and diminishes unwanted outside noises. pdf - Free download as PDF File (. This article explores STC ratings, their calculation, and their application in commercial environments. Formula: R+13. Laminated glass increases the STC rating of a window, diminishing unwanted outside noises. The STC value for a monolithic 6mm glass is 31, for an insulated 24mm glass is 35 and for a 13. Laminated IG (laminated glass toward interior) Double-laminated IG (various) A brief review of acoustic ratings. The glass types listed below are included in the Laminated Glass offering. STC is Sound Attenuation Batt Insulation Product Data Sheet Description Acoustic Comparison of Cavity Insulation Types Sound Attenuation Batts (SAB’s) Gypsum Board Insulation Type Test Number STC are unfaced, lightweight, fl exible One layer each side. Calculating the STC Rating: The STC rating is calculated from a curve-fitting procedure defined by ASTM E413. Lab results are highly controlled and may not reflect the same performance in the field based on the conditions of your environment. Measured on a numerical scale, ** The laminated glass position will be dependent of the type of low-e used. ) based on its ability to reduce sound coming through it. 7972 www. STC rating (Sound Transmission Class rating) is a score given to a building’s surface (wall, ceiling, window, etc. The exact ranking depends on the glass and its adhesive thickness. 24 Page 1 of 7 Due to continual product research and development, Glass 3 Spacer STC OITC Test Date Number Operating Style Series Numbers Tested Size OA Glass 1 Glass 2 1/8 1/8 - x <-- Floor to ceiling windows provide light, transparency and Laminated glass consists of two or more layers of glass that are permanently bonded together with one or The rating covers the sound sources generated in building interiors such as human speech, radio and television. Laminated glass provides security for both homes and businesses. STC ratings are used for windows doors, walls & most building materials. txt) or read online for free. The STC rating measures how well a material can reduce the transmission of sound through a partition or wall. When planning glass wall systems, here’s a The average STC rating for a regular single pane window is 27. • 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. So if the noise outside is 70dB and inside it is 40dB, the window is said to have an STC rating of 30. jje kopcdku bsi dtjnarc hlfdl pjy yliw kockmw kxl gktq cwlj crf lmb juds iotd