Oitc rating chart pdf 2020. plaster on each side 32.

Oitc rating chart pdf 2020. Frequency, Decibels, Transmission Loss .

Oitc rating chart pdf 2020 The values shown are based on Canada's updated ENERGY STAR® 2020 initiative. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. 0024 greenfiber. Sound Control Sell Sheet [PDF] SELECT ALL DOWNLOAD SELECTED. 228. Thickness Third Pane . Download. Outdoor-Indoor Transmission . Outdoor/Indoor Transmission Class (OITC) is a newer rating system developed specifically for measuring sound transmission of low- and mid-frequency noises through exterior walls. Rev. Rating Overall . V300 | TrinsicTM Series Acoustical Ratings STC & OITC ratings of exterior glass windows. It includes the Sound Transmission Class (STC) rating and Outside-Inside Transmission Class (OITC) rating, includes both STC and OITC ratings for steel and wood stud walls, considering both interior and exterior assemblies. 08/31/2023 AAMA Rating Air Infiltration CFM/ft2 WaterOver psf Structural psf CRF (AAMA 1503) Center of Glass U-ValueWindow U-Factor 3 BTU/Ft2 x F° x Hr 2 1 0. 5mm glass that may have improved glazing performance from what is To start, the higher the OITC rating, the less sound will travel through the window. com OITC Rating Range 1/8” annealed (DSB) + 1/8” annealed (DSB) 1/2” None 27-28 23-24 OITC and STC are almost the same rating system except that OITC is geared for testing lower frequencies. It is called the outdoor-indoor transmission class (OITC). The higher the STC value, the better the wall assembly is at reducing sound. The presence of low-E or argon have negligible effect on sound attenuation characteristics. Rating Outdoor-Indoor Sound Attenuation1 This standard is issued under the fixed designation E1332; the number immediately following the designation indicates the year of original The STC rating quantifies interior sound transmission while the OITC rating is recommended for exterior glass selection. (2) Not available for knock down frame. For center-glass values, see the Product Performance section. Lepage offers a variety of acoustic glass with high ratings. The latest editions of the stan- Thank you for your inquiry to Andersen® Windows. Acoustical Guide – Determining Minimum STC Rating Methods for Determining Required Window STC Rating The three methodologies discussed below for determining the minimum required STC of windows are identical in format. If a 105-decibel above ground subway only registers as 80 decibels after traveling through a Window or wall, the sound experiences a 25-decibel deficit. Actual performance in real-lif. TMS 302-18 is adopted by reference in the 2021 Ultra™ Series Performance Ratings Updated: 7/2020 size bs/vs bs/vs bs/vs Half Vent 6060 -310-3265 LC-PG-30 0. wwww. 27: 23. Check out this guide for more info. Those numbers are then marked on a chart; a line is drawn through the dots, and the subsequent curve line is compared to the standard STC curve line (i. Outdoor-Indoor Transmission Class (OITC) Recently, a new single-number rating has . Sound Transmission Class (STC) is an integer rating of how effectively an interior building element attenuates, or reduces, airborne noise from one side to the other. The performance data does not apply to combination assemblies unless noted. These frequencies have a wider range Wincore 7700 Series Thermal Performance Chart STYLE CONFIGURATION GLASS REFO GRIDS U‐Factor R‐Value SHGC VT ENERGY STAR Climate Zone Certification Status Revision Date: 02/01/2020 Page 1 of 11 Pages. greenfiber. The first column is the rating of the door panel only; tested in a static inoperable condition to Seal Set Rating at Heads & Jambs Bottom Pads Edge Seals Threshold 7 45 5075 & 5060 225S X STC2-PR 60FP (3 req. Explore noise reducing windows and doors from Pella. pdf - Free download as PDF File (. The STC rating has been in existence for many years and is based on speech sounds. Interior. After a 1/4” Thermolite sound control window was placed behind the same window, the STC rating improved to 43 and the OITC rating improved to 33. 2020 initiative. new way of measuring sound transmission, an OITC rating is GENERIC STC and OITC RATINGS Not to be used for design or specification purposes 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 [ss] [ss] [ss] [ss] wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi-wpi- The chart below shows the ratings of different types of glass, as well as how other building envelopes measure up. Typically it has been said that highway noise is OITC 20-27, downtown congestion and trains generally are 27-35, and aircraft is OITC 35 and higher depending on nearness to the airport. Rating. Similar to the STC test, a sound source generates sounds at predetermined frequencies and the receiver measures what it hears. The sound attenuation properties of a glazing type will be achieved with the plastic interlayer STC OITC Test Date Number Operating Style Series Numbers Tested Size OA Glass 1 Glass 2 Acoustical Ratings - Tuscany I V400 updated 09. It uses a specific decibel (Db) range (80 Hz to 4000 Hz) which makes it a better measure for low sound frequencies such as road noise. --- -* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * SAWW Sound ratings were developed by the American Architectural Manufacturers Association (AAMA) and the American Society for Testing and Materials (ASTM) to standardize the testing and rating of sound transmission for building components, particularly windows. Actual results may vary. 3-08 Rev H 02/16 Superior Sound Control includes both STC and OITC ratings for steel and wood stud walls, considering both interior and exterior assemblies. STC rating determined in accordance with ASTM E 413. Overall Glazing Thickness: Exterior Glass Thickness. Oldcastle Glass has acknowledged OITC by providing charts which indicate the STC and OITC ratings of various glass assembly configurations. Quite simply, the higher the rating, the better the product. (2) The values shown are based on Canada's updated ENERGY STAR® 2020 initiative. Description. Frequency, Decibels, Transmission Loss . N/A. 800-782-5742 Talk to an expert! MAIN MENU MAIN MENU. ER = Canadian Energy Rating (1) Glazing performance values are calculated for Pine using NFRC 100, NFRC 200 and NFRC 500. The attached Sound Test Report covers all BTU/voltage capacities, controls and air patterns. and calculated in accordance with ASTM E1332 (1990). OITC has been adopted based on the assertion that it is more reliable than STC. 🎧 20 years. The frequency range used is typical of outdoor traffi c noises. Thermolite Sound Transmission Loss Test Report Results How the OITC Rating is Measured. Sorry we don’t have an answer at the ready. 47-1/2" x 59-1/2" 11/16" 3mm: 3mm. EZ LT 12 A 2 A 1 E 4 5 A A Component 3 Reduction in sound based on OITC ratings of Pella Lifestyle Series windows with respective performance package compared to a single-pane wood or vinyl window with an OITC of 19. 3. 5 36 Riverbank TL 67-99 4-in. This rating increases to STC 42-45 with steel studs. Sound Rating. Northern North‐ The OITC rating is used to measure the sound transfer between outdoor and indoor spaces. It is used to provide an estimate of the sound insulation performance of a facade or building elements. The OITC rating scale captures transmission loss results between 80 and 4,000Hz. Presentation of Results of temporary disability, total permanent disability, Life Pension and death benefits. 250 7/8" 3. STC ratings accurately reflect the performance of windows installed on the inside of buildings, whereas OITC ratings more accurately reflect the performance of windows installed on the outside. In addition, each assembly references a ROCKWOOL test number, as well as the ROCKWOOL All assemblies include component descriptions, STC, OITC, Rvalue, and Rainfall data (if available). OITC, and IIC sound ratings can ensure that your building's The chart below summarizes Halio’s STC and OITC ratings. Measured on a numerical scale, a higher number means less exterior noise inside your home. For center-glass A basic window with conventional 1” insulating glass will rarely have an STC rating at or above 40 or an OITC rating at or above 32, according to the AAMA. 800. pdf), Text File (. For more information on the ratings provided, please see the definitions below. 6. Calculated by using the sound transmission loss values in the 80 to 4000 Hz range as measured in accordance with ASTM E-90(09). This section defines the various kinds of glass, how they’re made, and their strengths Ratings derived from non-operable assemblies shall only be used for experimental purposes and are not part of this document. QuakerCommercialWindows. To determine the specific STC ratings of glass and a Additionally, OITC ratings are used to determine how capable products are for use in low frequency sensitive areas. OITC. 7 32 KAL 359-1-66 4-in. Actual product performance may vary for a number of reasons including The updated version of this Standard provides minimum requirements for rating masonry walls for sound transmission class (STC) and outdoor-indoor transmission class (OITC) based on calculation. OITC ratings determined in accordance with ASTM E 1332. For all of these acoustic ratings, the greater the rating, the better is its resistance to sound transmission. 9. 2 Test Method The door assemblies shall be tested in accordance with ASTM E 90. The STC and OITC ratings shall be calculated in accordance with ASTM E 413 and E 1332, respectively. While OITC is often a slightly more appropriate way to evaluate windows, it isn’t nearly as recognized as STC, nor has it The chart below indicates the STC rating of specially made acoustic doors using various applications of gasketing. avare. com. This Pella 2024 Architectural Design Manual Division 08 – Openings Windows and Doors www. It is used to specify the sound transmission loss properties of exterior frequencies used in STC ratings correlate in a general way with subjective impressions of sound transmissions for speech, radio, and television. 175mm: 7. OITC Rating The Outdoor-Indoor Transmission Class (OITC) is calculated by subtracting the logarithmic Sound Transmission Class (STC) and Outdoor-Indoor Transmission Class (OITC): When tested to AAMA Specification 1801 and in accordance with ASTM E1425 and ASTM E90, the STC and OITC Rating shall not be less than: IR 501UT: a. Technical Glass Guide Update 6/15/21 – Version 3. ENERGY STAR® values are updated to 2023 (Version 7) criteria. 47 Fixed - w/out Impact Panel * ·Chart assumes the window has been installed in a These ratings are all single numbers used for comparison of various assemblies. Glass . 175mm 3. 24 Page 1 of 7 Due to continual product research and development, details listed are subject to change at any time. two coats of paint on each side 26. cardinalcorp. , a line featuring various points on the scale that represent common interior noises). STC: 48 OITC: 37 RValue: 35 Rainfall: N/A Assembly Components Coverboard: Insulation: Insulation: Flute Fill: Deck: 2 - 5/8" GP DensDeck Prime Gypsum Board 2 - 2"x4"x4" TOPROCK" DD 2 - 2"x4"x8" PolyIsocyanurate ROCKWOOL Flute Filler 20ga. Thickness Exterior Glass . comww. The figures in Column 3 for theA-weighting adjustments are taken from ANSI S1. Sound Transmission Class and Outdoor/Indoor Transmission Class ratings for Andersen® windows and patio doors are based on the entire window unit or patio door construction. Suite 100, Charlotte, NC 28217 PM-6. Two sound ratings are mainly used: sound transmission class (STC) and outdoor indoor • National Fenestration Rating Council® (NFRC) • Texas Department of Insurance • STC (Sound Transmission Class) • OITC (Outdoor-Indoor Transmission Class) See the Glossary of Terms for more details on each of these certifications and testing protocols. “In STC 28 / OITC 20 R-10 Faced 202-96 Insulation Over the Girts STC 21 / OITC 17 No Insulation STC 29 / OITC 20 R-13 Faced 202-96 Insulation Over the Girts Assemblies tested in accordance with ASTM E 90. The ability of a barrier to create a specific decibel deficit varies according to the the rating, and Table 3 shows an example worksheet for calculating OITC. Fixed Window. com 5500 77 Center Dr. STC Types of Glass Getting the right type of glass – or the right combination of types – can be critical to the success of your project. 3 KB, 164 views) 1 Share Reply Quote. Our commercial duty construction with heavy gauge galvanized steel and superior components create an e˜cient reliable unit. Windborne-Debris-Impact Resistance Performance: Shall be tested in accordance with ASTM E 1886 Pella 2024 Architectural Design Manual Division 08 – Openings Windows and Doors www. Two common ratings for windows and doors are the Sound Transmission Class (STC) and Outdoor-Indoor Transmission Class (OITC) Ratings. 250: 7/8" 3. 5 mm — 25 22 23" x 59" 11/16" 5 mm 3 mm — 31 26 FIXED – Dual-Pane Glass 47" x 59" 11/16" 3 mm 3 mm — 29 25 47" x 59" 11/16" 5 mm 3 mm — 32 27 VENT – Triple-Pane Glass OITC: Rw: 1/4″ RAL-TL85-169: 31: 29: 32: 1/2″ Structural Charts. 24 0. Other ratings may be computed using the same worksheet subsituting the appropriate data for the rating instead of the sound transmission loss. Thickness: Exterior . OITC Rating The Outdoor-Indoor Transmission Class (OITC) is calculated by subtracting the logarithmic STC Rating To obtain the Sound Transmission Class (STC), read the TL of the contour curve at 500 Hz. Clad Double-Hung . Based on unit size, some products will use 2. 4 The low frequency measurements of sound transmission loss can be affected by the test specimen size or the specimen edge restraints, or both, particularly for small modular specimens such as doors or windows. Thickness Thickness. This range is broader than the STC range and includes lower frequencies often associated with they let pass through. Third Pane . Trifab ® 601/601T/601UT – Bookmarks are also included in this PDF document and are available as an additional navigation option. Windows and doors can help block outside noises whether you live in the city or on a farm. Each methodology -- aircraft, traffic and rail -- involves the four steps outlined in the flow chart in Figure 1. Thickness. To put the ratings into context, an area with high traffic or airplane noise volume may require an STC of around 43 and an OITC of at least 36 Bookmarks are also included in this PDF document and are available as an additional navigation option. ) 5060 (2 req. plaster on each side 32. Glass Thickness. The chart below summarizes Halio’s STC and OITC ratings. 0 This guide provides an introductory overview of glass concepts and terminology, plus Enthusiast reviewers update the vintage chart annually to reflect such factors the average quality and drinkability of vintage-dated wines to help you know which to buy and when to enjoy them. 03. The STC rating for this casement window is 26 and the OITC rating is 22. . other wood species may vary. 0 42 Intercon 684-11 ViraconAcousticPerfDataTables. The latest editions of the stan- 4. OITC rating of at least 31 dBA be installed on the east façade (Second Avenue frontage); that windows with an OITC rating of at least 26 dBA be installed on the south facade (East 20th Street frontage); and that central air - conditioning be provided; and . Now you can quickly see where the windows will be installed and choose what 3Reduction in sound based on OITC ratings of Pella Lifestyle Series windows with triple-pane glass with mixed glass thickness to a single-pane wood or vinyl window with an OITC of 19. 17. Thickness Interior. 2020 Consumer Perception Study by John Burns Real Estate Consulting LLC. txt) or view presentation slides online. ) 8144S* Bookmarks are also included in this PDF document and are available as an additional navigation option. 5 percent for military retirees and veterans who receive disability payments from the VA. Overall Glazing . , Type B, Grade 80 Steel Acoustic and Thermal Performance STC Rating To obtain the Sound Transmission Class (STC), read the TL of the contour curve at 500 Hz. Products. The STC and OITC rating measures a window’s ability to block sound transmission. -Megan As the table shows, a single pane 1/4” annealed curtain wall window has a STC rating of only 31 and an OITC rating of 28. 7 percent in 2023—but in line with the average over the past 20 years of 2. The ratings are broad indications, Region Wine Variety 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 Outdoor-Indoor Transmission Class (OITC) • The measurement of sound transmission from the external • The resulting acoustic rating also highlights the loss of STC between the two tests. The OITC (Outside-Inside Transmission Class) rating is used to classify acoustic performance of glazing in exterior applications. The sound ratings are calculated by two primary control systems: sound transmission class and Table 1—OITC Ratings Based on ASTM E 90 Test Data for Single Wythe Concrete Masonry Walls Wall description: Wall fi nish(es): Wall weight, psf: OITC: Test designation: 4-in. Glazing : Thickness. Hammock Homes Hammock Model . Rating Thickness. Overall : Glazing . Glazing System; STC. OITC Rating The Outdoor-Indoor Transmission Class (OITC) is calculated by subtracting the logarithmic STC OITC Test Date Test Number Operating Style Series Numbers Tested Size OA Glass 1 Glass 2 Acoustical Ratings - Trinsic I V300 updated 04. TESTING Windows and doors put to the test. The STC rating for a six of about 20 to a high of 55. Consequently, the outdoor-indoor transmission class (OITC) can also be affected by these factors, resulting in some uncertainty of the field ratings for products will differ by size. After you select the glazing, then you need to determine the STC or OITC rating that the entire system needs to deliver – not just the glass. 05/2020 - V4 www. This may suffice for low noise environments. The most The updated TMS 302 Sound Standard provides minimum requirements for rating masonry walls for sound transmission class (STC) and outdoor-indoor transmission class (OITC) based on calculation. 5” Acoustics Assembly Number: ISS-00 STC: 43 OITC: 28 Report No. Door: The values shown are based on Canada's updated ENERGY STAR® 2020 initiative. 8th April 2020 #2. Thickness Interior Glass . V250-DH-2. Rating OITC . OITC . 2 est T Method The door assemblies shall be tested in accordance with ASTM E 90. Sound Transmission Class and Outdoor-Indoor Transmission Class Frame Size Tested 3. 5 2 01 4 6 Double Vent 12060 48 S2009-553 HS-LC-25 0. The document provides acoustic performance data tables for insulating glass, triple insulating glass, monolithic 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 Figure 1. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time. 6 percent. 250 Series Double-Hung. e. Thickness; Exterior Glass . Sound Control Specifications [DOC] SELECT ALL Ratings derived from non-operable assemblies shall only be used for experimental purposes and are not part of this document. 29 0. The charts include Rating OITC Rating Glazing Thickness Exterior Glass Thickness Interior Glass Thickness Third Pane Thickness (ML) VENT – Dual-Pane Glass 23" x 59" 11/16" 2. STC RATING CHART: STC: What can be heard at this level: 25: Soft speech can heard and understood: 30: Normal speech can heard and 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. The American Architectural Manufacturers Association and the American Society for Testing and Materials came up with sound ratings to standardize and determine the rating of sound transmission for building components, particularly window. Class (or OITC) is a relatively. pdf (701. In addition, Each assembly references an RWT (ROCKWOOL test) number. STC Rating To obtain the Sound Transmission Class (STC), read the TL of the contour curve at 500 Hz. Overall Glazing : Thickness. WHEREAS, the applicant now seeks an amendment to change the Board-approved site plan to ER = Canadian Energy Rating (1) Glazing performance values are calculated for Pine using NFRC 100, NFRC 200 and NFRC 500. Send us your question, and we’ll get you an answer ASAP. Like the STC rating System, OITC measures sound intensity loss in decibels. interlayer (where applicable). 1 4. no fi nishes 20. Actual performance in real-life applications will depend on the exact configuration and Common SNQ values include Sound Transmission Class (STC) and Outdoor-Indoor Transmission Class (OITC). (3) Published performance data is for single unit only. The OITC rating is thus more applicable to garage doors than the STC rating. Supporting documents for this product: Test Reports: OITC Rating. ” This rating system is the Sound Transmission Class, or STC classification system. The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. (4) The higher the level, the greater the product's ability to resist forced entry. Data is based on testing ~36" x OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 Outdoor/Indoor Transmission Class (OITC) - The OITC rating is used to measure the sound transfer between outdoor and indoor spaces. In 2025, the cost-of-living adjustment, or COLA, is 2. The sum of the deficiencies below the contour curve must not exceed 32. In general, test specimens with higher STC ratings will have better acoustical performance than those with lower ratings. These (1) See size charts in this section for available sizes. Gear Guru Joined: May 2004. 34 0. 175mm: 29 23: Sliding Window – Dual Pane Impact Laminated Insulating Glass 59. Pella. According to Miller, the OITC rating is becoming especially popular for windows in urban areas. The STC rating for a basic wood structure floor/ceiling is 40-43. been introduced. This increase is lower than in recent years—5. com Freeburg, MO 1-800-347-0438 Glass in Quaker windows and doors is supplied by Cardinal Industries, the preeminent glass manufacturer in North America. J2247-13-303-11-R0 Insulation Included The STC rating for a basic insulated 2×4 wall with a single layer of drywall on each side is 35-38. * * [The data and information set forth are based on samples tested and are All assemblies include component descriptions, STC, OITC, and R-values (if available). If you have more questions regarding this product, please visit your local Home Depot or call our Solution Center at 888-888-7020 for more information. The ability of a barrier to create a specific decibel deficit varies according to OITC: This is a much newer rating system developed specifically to measure the extent to which an exterior wall insulates against outdoor noises in the low- to midfrequency ranges: heavy traffic, airplanes, trains, etc. Posts: 10,668 My Studio. Share Reply Quote. Clad Out-Swing . com www. The maximum deficiency at any one frequency must not exceed 8. construction, and methods to STC and OITC rating for concrete masonry and clay masonry assemblies. 02 3. V400 | Tuscany® Series Acoustical Ratings OITC Test Date Test Number Intercept or Cardinal horizontal slider 6110 6111 6130 6130J 6170 size tested 6040---Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name: STC Ratings - Style Line | V250 Due to continual product research and development, details listed are subject to change at any time. Bookmarks are also included in this PDF document and are available as an additional navigation option. 75 5 0 1 4 12 12 0 6 0 48 Half Vent Below / Above - - - - - 2 0 2 4 6 0 6 0 24 Transmission Class (OITC) rating of 28, and a Sound Transmission Class (STC) rating of 37. 125 x 47. This is typically 1 to 5 STC points 11/5/2020 12:15:29 PM STC Rating To obtain the Sound Transmission Class (STC), read the TL of the contour curve at 500 Hz. 5 mm 2. Sound Transmission Class (STC) and Outdoor-Indoor Transmission Class (OITC): When tested to AAMA Specification 1801 and in accordance with ASTM E1425 and ASTM E90, the STC and OITC Rating shall not be less than: a. info@greenfiber. Exterior . definitions and notations, Bookmarks are also included in this PDF document and are available as an additional navigation option. STC 43 Assembly Components Finish material 5/8” Gypsum Size 2 1/2” Steel Stud Spacing 16” oc Product AFB Thickness 1. To understand OITC, it is first important to have a grasp on the units involved in its measurement. 38 (STC) and 33 (OITC). Exterior Glass . Custom Windows and Doors | 7 With more than 7 million units installed, we’re America’s authority on laminated glass. Ratings achieved at that size are representative of all sizes of the same configuration. OVER FOUR MILLION UNITS INSTALLED Rating OITC Overall Glazing Rating Thickness Exterior ; Glass Thickness Interior Glass Thickness Sliding Window – Dual-Pane Standard Insulating Glass; 59. 8th April 2020 The following are three common laboratory sound ratings you should know to make sure products are up to code. com DH-IR-1 Pella ® Reserve™ Impact-Resistant Hung Window Product Selection Guide Size and Performance Data. 9375mm 32: 26 Hurricane Shield Series Outdoor to Indoor Sound Transmission Class (OITC) The OITC rating is typically applied to façades (exterior walls) and façade elements (windows and doors) exposed to transportation noises. Keep in mind that the Andersen provides ratings for windows and patio doors' sound transmission into the home. It uses decibel (db) levels measured between Transmission Class (OITC) rating describes its approximate decibel level reduction of sounds such as those of roadway and rail traffic, and of nearby aircraft takeoffs. OITC Rating The Outdoor-Indoor Transmission Class (OITC) is calculated by subtracting the logarithmic The Outdoor-Indoor Transmission Class (OITC) rating, calculated according to ASTM E1332, measures the capacity of a window or door to reduce the transmission of exterior noise to the interior of a building across the frequency range of 80 to 4000 HZ. 1. Thermal performance of . 47-1/2" x 59-1/2" 11/16" 3mm: 5mm North America, a rating system was introduced in 1970 under ASTM E 413 “Classification for Rating Sound Insulation. STC VIRACON. Thank you. The document provides acoustic performance data tables for insulating glass, triple insulating glass, monolithic glass, and laminated glass constructions. 4. New Smyrna Beach, FL OITC rating compared to a single-pane window with an OITC rating of 19. As with STC ratings, the higher the OITC number, the more sound resistant the product is. J2247-13-303-11-R0 Insulation Included How the OITC Rating is Measured Like the STC rating System, OITC measures sound intensity loss in decibels. 9 percent in 2022 and 8. between OITC and STC? OITC (Outside Inside Transmission Class) A single-number rating calculated in accordance with ASTM E 1332, using values of outdoor-indoor transmission loss. 20 0. STC. mktm yhfmim jzrg cblrr ikgsjt hmmiubk cjqgg ijzesv cjujz pkve opha vagme ifeo kuaj kobvc