Oitc rating chart pdf. 1/8" overall - 1/8" glass 33 26 30 3.

Oitc rating chart pdf Here’s a look at what you frequencies used in STC ratings correlate in a general way with subjective impressions of sound transmissions for speech, radio, and television. Glass size and glazing system will affect STC rating. Significance and Use 4. 7°C ® Super Spacer® TriSeal™ +14. If thicker glass material is used, the rating can go up to 35. Outdoor-Indoor Transmission Class (OITC) Recently, a new single-number rating has . For example, if your neighbor has a subwoofer-equipped sound System, you may want to consider OITC ratings for all of your barriers, interior and exterior. 1 This classification provides a single number rating for transmission loss or noise reduction data that have been measured or calculated. The change in transmission loss, STC, and OITC ratings between the interior storm window and the baseline IGUs are presented in Table 2. 1. The figures in Column 3 for theA-weighting adjustments are taken from ANSI S1. 04-113-11-R1 Rainfall: G3302. * * [The data and information set forth are based on samples tested and are not guaranteed for all samples or applications. 5 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. While OITC is often a slightly more appropriate way to evaluate windows, it isn’t nearly as recognized as STC, nor has it been well embraced by the construction industry. *OITC is estimated based on this test. One thing that I’m not clear on: how would I know how high of an OITC rating I need? I’m guessing that I would use a sound/decibel meter to measure the undesired noise, estimate a desirable/tolerable noise level (in decibels), and calculate the difference (bad noise decibels minus good noise decibels, if you will). 1 mm STC Ratings Chart. 5 %âãÏÓ 5400 0 obj > endobj 5422 0 obj >/Filter/FlateDecode/ID[89139DBBA4CA1946A36F0C9141707515>6670E99A9E87094D91214E8C58D95068>]/Index[5400 35]/Info 5399 Single Number Ratings –OITC Intent: a single number rating to assess the isolation provided of different assemblies specifically for traffic and aircraft noise. V250-DH-2. N/A To start, the higher the OITC rating, the less sound will travel through the window. loss data for all baseline windows. 5 2 01 4 6 Double Vent 12060 48 S2009-553 HS-LC-25 0. Actual results may vary. 08/31/2023 The STC wall rating for a basic insulated 2×4 wall with a single layer of drywall on each side is STC 35-38. How the OITC Rating is Measured Like the STC rating System, OITC measures sound intensity STC OITC Test Date Test Number Operating Style Series Numbers Tested Size OA Glass 1 Glass 2 Acoustical Ratings - Trinsic I V300 updated 04. Quanex offers efficient insulating glass (IG) production line layouts to best suit your business. This includes both STC and OITC ratings for steel and wood stud walls, considering both interior and exterior assemblies. Composite OITC Rating (OITC C) A Minimal 25 B Moderate 30 C Significant 35 D Extreme 40 2. window at two distances. Performance documents for altitude limits, NFRC ratings, center of glass, joining window load table, air infiltration, and more. 3 Acoustic Surfaces In order to foster a pleasing acoustical environment for patients/residents and staff, FGI 2014 sets minimum average room absorption coefficients – rather than specifying specific acoustical finishes Sep 4, 2018 · An Outdoor-Indoor Transmission Class rating specifies noise transmission from outside to inside. Overall Glazing . EDITOR NOTE: CHOOSE IMPACT RESISTANCE PREFORMANCE IF REQUIRED TO MEET PROJECT REQUIREMENTS. 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. 4. 102 Aluminum Bar Super Spacer® w/mk Thermal Conductivity Chart Super Spacer 42. STC home with an STC rating of 30–35 depending on the product. QuietRock. com PABCO® Specification PGS-021 ES panels have been tested and approved on spacing and fastener type and installed as many fire-resistance assemblies and are suitable tested. The sound attenuation properties of a glazing type will be achieved with the plastic interlayer Pella 2024 Architectural Design Manual Division 08 – Openings Windows and Doors www. The same process is used to determine STC ratings for doors. 9. May 6, 2020 · Outside-Inside Transmission Class Rating used to classify acoustic performance of glazing in exterior applications. 0024 greenfiber. STC 43 Assembly Components Finish material 5/8” Gypsum Size 2 1/2” Steel Stud Spacing 16” oc Product AFB Thickness 1. The final STC rating of a room is a composite, not an individual component calculation. Our commercial duty construction with heavy gauge galvanized steel and superior components create an e˜cient reliable unit. Although very similar, the OITC rating system is aimed at lower frequencies, such as construction work, rumbling engines, low-flying planes, and car horns, and it utilizes a wider frequency of about 20 to a high of 55. greenfiber. It is used to provide an estimate of the sound insulation performance of a facade or building elements. com DH-IR-1 Pella ® Reserve™ Impact-Resistant Hung Window Product Selection Guide The document provides acoustic performance data tables for insulating glass, triple insulating glass, monolithic glass, and laminated glass constructions. For example, if your neighbor has a sub woofer-equipped sound System, you may want to consider OITC ratings for all of your barriers, interior and exterior. been introduced. To determine the specific STC ratings of glass and a Oct 18, 2023 · What Is a Good OITC Rating for Windows? Windows are typically the weakest part of a building assembly when it comes to acoustics, which is why you’d want to know the OITC rating. UPDATED; TD-138 - Heat Treated Glass for Architectural 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. 1/8" overall - 1/8" glass 33 26 30 3. Explore noise reducing windows and doors from Pella. EZ LT 12 A 2 A 1 E 4 5 A A Component Windows and doors can help block outside noises whether you live in the city or on a farm. 05” Sarnafill" Sikaplan 1. 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. Hours of Testing The performance information listed is for new products and is intended to be used for reference only, and is not complete. Rating OITC . Call us with any questions! rating. Fixed Frame Direct Set Window — Dual-Pane Insulating Glass Ultra™ Series Performance Ratings Updated: 7/2020 size bs/vs bs/vs bs/vs Half Vent 6060 -310-3265 LC-PG-30 0. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. 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. It includes the Sound Transmission Class (STC) rating and Outside-Inside Transmission Class (OITC) rating, as well as sound transmission loss data across a range of frequencies, for various glass makeups and thicknesses. • 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. Understanding STC ratings for drywall can be complex. Lepage offers a variety of acoustic glass with high ratings. LP SmartSide Trim & Siding is available in a variety of styles, textures, and finishes. For example, if the transmitter played a sound at 60 decibels and the receiver picked up 30 decibels, the STC rating would be 30. PABCOgypsum. The STC rating has been around for decades and is often relied upon as the go-to rating for soundproofing a building. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. 228. Outdoor-Indoor Transmission . 3°F/-2. This rating increases to STC 42-45 with steel studs. 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. Stc rating glass chart acoustic. com or call us to learn more about our sound rated openings. 17. J2247-13-303-11-R0 Insulation Included they let pass through. info@greenfiber. Glass size and glazing system will a ect STC rating. Acoustical Ratings - Tuscany I V400 updated 09. This rating is especially important for iic ratings for flooring explaining sound ratings stc iic oitc and delta PDF, MOBI, and More catalog of rating chart Feb 12 2024 iic stands for impact Jun 28, 2016 · summarized in Table 1 below. 15kHz and is used in Europe. ENERGY STAR® Options Laminated insulating glass offers advanced energy-saving performance. Check Your Local Replacement Window Regulations When considering replacing windows in your home, it’s important to check your local regulations and building codes to ensure compliance with specific window ratings. 70 60 --STC38 E413-87 in an ac oust ical wall. MTC was developed to address shortcomings of STC and RW at low frequencies important for Optimum Humidity Chart 160. The chart below summarizes Halio’s STC and OITC ratings. The OITC (Outside-Inside Transmission Class) rating is used to classify acoustic performance of glazing in exterior applications. Thickness Third Pane . Industry standard is STC 26 for single hung windows. Thickness Exterior Glass . (OITC 37) STC (OITC 39) STC (OITC 39) For more information visit www. The OITC rating system is mostly consulted when there are low-frequency sounds involved between 80 to 100 decibels that can't be calculated by the STC rating. Interior Glass . interior storm . May 22, 2022 · Thanks, Terry, for the helpful information. 3°F/2. Because of the larger range in expected sound, OITC values are determined for lower frequencies as well, in the range of 80 to 4000 hertz. This rating is based on the difference between the overall A-weighted sound level of the sound spectrum given in Table 1 and the overall A-weighted sound level of the spectrum that results from arithmetically subtracting the transmission loss or noise The definitions of two ratings: Sound Transmission Class or STC and Outdoor-Indoor Transmission Class or OITC; The project’s design requirements and how they impact the glazing system, and; How to calculate an STC or OITC rating; STC versus OITC. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500. 75 5 0 1 4 12 12 0 6 0 48 Windows and doors can help block outside noises whether you live in the city or on a farm. The STC rating for a basic wood structure floor/ceiling is STC 40-43. “In places like New York City, it’s all OITC,” he says. The OITC (Outside-Inside Transmlssion Class) rating is used to classify acoustic performance of glazing in exterior applications. 45 43 49 52 53 49 48 56 48 52 49 49 53 34 36 46 49 48 46 49 51 46 49 Today, the OITC rating System is used to assess any barrier meant to block out low frequency sound. When choosing building envelop designs, designing using the OITC rating Feb 11, 2025 · 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. The higher the OITC rating, the better the glass is at reducing noise. The frequency range used is typical of outdoor traffi c noises. com www. 4 dB Assembly Components Membrane: Insulation: Insulation Deck: 0. 9°C Thin Gauge Stainless Steel 34. 0°F/ 7. Depending on the components, accessories, and options chosen, the The OITC (Outdoor Indoor Transmission Class) rating was created to test exterior walls and their elements (windows and doors). 400 Series Frenchwood® Hinged Patio Door Hardware (Trim Set) Exploded View Silver Line® Product Performance Sound Transmission Ratings Silver Line® Product Series Silver Line Product Type IG Glass Type Sound Transmission Class (STC) Outdoor/Indoor Transmission Class (OITC) V3 SERIES SS 27 23 DS 28 22 3mm/4mm 33 26 Laminated DS-DS/060/DS 35 30 SS 27 23 DS 28 22 3mm/4mm 33 26 Laminated DS-DS/060/DS 35 30 SS - - DS 27 The STC rating for a basic insulated 2×4 wall with a single layer of drywall on each side is 35-38. While OITC is often a slightly more appropriate way to evaluate windows, it isn’t nearly as recognized as STC, nor has it The STC and OITC rating measures a window’s ability to block sound transmission. 14-113-11-R1 Acoustic and Thermal Performance STC: 26 OITC: 21 RValue: 23 Rainfall: 54. 14 − 10log 10 å f 10((L f-TL f +A f) / 10) Where: 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. 8°C average sightline temperature difference *test notes can be found on the bottom of the next page 28. TLs are measured at somewhat lower frequencies than in STC testing. Save as PDF 800 Park Drive , Owatonna , MN 55060 US | (800) 533-2080 STC. Class (or OITC) is a relatively. 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. To start, the higher the OITC rating, the less sound will travel through the window. ” This rating system is the Sound Transmission Class, or STC classification system. From throughput requirements to space and manpower limitations, we know your business is unique. Rating. 14 - 10logΣ f10((L f - TL f + A f)/10) (dBA Our spec sheets offer a detailed look at individual products, and include information on product features, options, and performance data. he STC reference contour is . Actual results glass selection. Similar to STC ratings, OITC ratings provide information on how well a barrier blocks sound, and should be taken into consideration as you shop for soundproofing Description. 3-08 Rev H 02/16 Superior Sound Control [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 rating, and Table 3 shows an example worksheet for calculating OITC. 6. In addition, each assembly references a ROCKWOOL test number, as well as the ROCKWOOL products included in the tested assembly. Presentation of Results includes both STC and OITC ratings for steel and wood stud walls, considering both interior and exterior assemblies. -114• glass) with an STC rating of 34. (OITC 33) HMF EXPRESS Current STC Offering (All 1 3/4" Thick Doors, up to 4080, and available in 2-3 weeks lead time) STC 42 (OITC 35) STC 46 (OITC 36) STC 46 pr. It is used to specify the sound transmission loss properties of exterior STC/OITC:29 G3302. When choosing building envelope designs, designing using the OITC rating Pella 2024 Architectural Design Manual Division 08 – Openings Windows and Doors www. The charts include Pella 2024 Architectural Design Manual Division 08 – Openings Windows and Doors www. 4°C 510 MANUFACTURER INFORMATION: PABCO® Gypsum a division of PABCO® building products, LLC QUIETROCK ES 37851 Cherry Street Newark, CA 94560 Type X Sound Reducing Panel 800-797-8159 www. T. OITC. OVER FOUR MILLION UNITS INSTALLED The OITC (Outdoor Indoor Transmission Class) rating was created to test exterior walls and their elements (windows and doors). Thickness. Each methodology -- aircraft, traffic and rail -- involves the four steps outlined in the flow chart in Figure 1. Class (OITC) 70 SERIES SS 27 23 DS 28 22 3mm/4mm 33 26 Laminated DS-DS/060/DS 35 30 SS 27 23 American Craftsman® Product Performance Sound Transmission Ratings. UPDATED; TD-138 - Heat Treated Glass for Architectural Nov 24, 2022 · Intertek – one of the largest industrial testing companies in the world – tests windows in its facilities for both STC and OITC ratings. Feb 11, 2025 · 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. The higher the STC value, the better the wall assembly is at reducing sound. OITC and Soundproofing Windows new rating to describe products that comply to the standard. The formula to calculate OITC from TL test results is: OITC = 100. Two common ratings for windows and doors are the Sound Transmission Class (STC) and Outdoor-Indoor Transmission Class (OITC) Ratings. com LS-DH-2 Lifestyle Series Double-Hung (—) = Not Available North America, a rating system was introduced in 1970 under ASTM E 413 “Classification for Rating Sound Insulation. 5” Acoustics Assembly Number: ISS-00 STC: 43 OITC: 28 Report No. This sound rating increases to STC 42-45 with steel studs. While you may be familiar with Sound Transmission Class (STC) ratings, there is another relatively new way of measuring sound transmission: Outdoor-Indoor Transmission Class (OITC). This new version dated “-08” has been adopted by the 2009 International Building Code (IBC) and the International Residential Code (IRC). J2247-13-303-11-R0 Insulation Included Pella 2024 Architectural Design Manual Division 08 – Openings Windows and Doors www. 10-113-11-R1 Rainfall: G3302. Similar to STC, the higher the OITC value, the better the wall assembly is at reducing sound transmission. 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. The OITC rating measures how much sound can be transmitted from outside to inside a building through the glass. Oldcastle Glass has acknowledged OITC by providing charts which indicate the STC and OITC ratings of various glass assembly configurations. com 5500 77 Center Dr. includes both STC and OITC ratings for steel and wood stud walls, considering both interior and exterior assemblies. Outdoor-Indoor Transmission Class (OITC) – applicable to exterior walls (including doors and windows) where the For a glazing installed on a building envelope, the Outdoor-Indoor 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. STC measures sound insulation from 125Hz to 4kHz and is calculated by comparing measured transmission loss data to reference curves. Fax: (910) 452-1848 These ratings are all single numbers used for comparison of various assemblies. This AIS Glass’ software helps you to calculate the acoustic insulation & configurations like glass thickness, thermal breakage, etc. The STC rating for a basic wood structure floor/ceiling is 40-43. aligned with the transmission. Calculated by using the sound transmission loss values in the 80 to 4000 Hz range as measured in accordance with ASTM E-90(09). 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. 5 outdoor-indoor transmission class, OITC, of a build-ing façade or façade element, n—a single-number rating calculated in accordance with Classification E1332 using measured values of sound transmission loss. 08/31/2023 OITC (Outdoor-Indoor Transmission Class) rating is an essential consideration for architectural laminated glass customers. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time Feb 22, 2024 · However, even with OITC being the newer creation, the STC rating system is still the preferred rating method among professionals in soundproofing. new way of measuring sound transmission, an OITC rating is 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. addition of the . Performance Grade ratings are being used to replace Design Pressure Ratings as the preferred Professionals use the OITC rating System less frequently than the STC rating System. interlayer (where applicable). hmfexpress. STC rating determined in accordance with ASTM E 413. Suite 100, Charlotte, NC 28217 PM-6. The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. Sound Transmission Loss (dB) 48. Opening stc_rating_chart. The OITC rating, established in the ‘90s, is newer to the industry and is often overlooked in favor of the STC rating. 1 4. 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. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. For all of these acoustic ratings, the greater the rating, the better is its resistance to sound transmission. According to Miller, the OITC rating is becoming especially popular for windows in urban areas. Acoustical Guide – Determining Minimum STC Rating Figure 1. Rev. The attached Sound Test Report covers all BTU/voltage capacities, controls and air patterns. the . Sound Control Sell Sheet [PDF] SELECT ALL DOWNLOAD SELECTED. com. (OITC 37) STC 46 pr. N/A. RW is similar but covers 100Hz to 3. All assemblies include component descriptions, STC, OITC, and R-values (if available). Today, the OITC rating System is used to assess any barrier meant to block out low frequency sound. These ratings provide an evaluation and rank ordering of the performance of test specimens based on their effectiveness at controlling the sound of a specific outdoor sound spectrum Nov 4, 2016 · The OITC rating (referenced in ASTM E1332, Standard Classification for Determination of Outdoor/Indoor Transmission Class) is calculated from the following formula, using a logarithmic summation of individual third OB TL measurements: OITC = 100. N/A %PDF-1. Read on to explore product specifications. The TMS 302 Sound Standard provides minimum requirements for rating masonry walls for sound transmission class (STC) and outdoor-indoor transmission class (OITC) based on testing calibrated calculation procedures. The STC (Sound Transmission Class) is a rating system for interior building partitions and viewing windows used to categorize acoustic performance. A good OITC window rating is 30+ and usually comes with thicker glass (½” or more) and added glazing for additional sound reduction. Actual performance in real-life applications will depend on the exact configuration and the framing system used. What Is an OITC Transmission Class (OITC) rating of 28, and a Sound Transmission Class (STC) rating of 37. Oct 14, 2014 · 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. Fax: (910) 452-1848 8. ] Oct 10, 2024 · OITC is a very new rating in the world of acoustics and not all products carry an OITC rating, as they may predate that testing being more commonplace. 2. may vary. 02 3. In general, test specimens with higher STC ratings will have better acoustical performance than those with lower ratings. 85” GAF" Polyisocyanurate 2. The STC rating has been in existence for many years and is based on speech sounds. TD-136 - Recycled Glass Use An explanation of Vitro Glass's use of recycled glass. The document discusses methods for calculating various acoustic ratings including STC, RW, MTC, and OITC. and . OITC Outdoor-Indoor Transmission Class (or OITC) is a relatively new way of measuring sound transmission, an OITC rating is designed to account for sound outdoor sounds which consists of frequencies lower than an STC rating. Our spec sheets offer a detailed look at individual products, and include information on product features, options, and performance data. Glass size and glazing system will affect STC rating. Pella 2024 Architectural Design Manual Division 08 – Openings Windows and Doors www. OITC ratings determined in accordance with ASTM E 1332. Nov 25, 2022 · The difference between the sound level inside the window and the sound level outside the window, measured in decibels, is the STC rating. 77” GAF" Polyisocyanurate Aug 8, 2022 · 4. TESTING Windows and doors put to the test. A good level of isolation for walls and ceilings is STC 50 plus. Outdoor-Indoor Transmission Class (OITC) is a single-number rating system for acoustical performance, developed primarily for the typical exterior noise spectrum. It is called the outdoor-indoor transmission class (OITC). Other ratings may be computed using the same worksheet subsituting the appropriate data for the rating instead of the sound transmission loss. Use OITC when considering intrusion of noise into a building from roads,trains or aircraft. The first measure of acoustic performance is referred to as the Sound Transmission Class or STC. Call us with any questions! (OITC 33) HMF EXPRESS Current STC Offering (All 1 3/4" Thick Doors, up to 4080, and available in 2-3 weeks lead time) STC 42 (OITC 35) STC 46 (OITC 36) STC 46 pr. 1°C Aluminum 37. These 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. Pella. 5°F/1. 03. 1 This classification provides a single number rating 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 and/or office equipment. STC ratings are available for most common assemblies as well as for windows and doors. 20-113-11-R1 STC/OITC: G3302. Download. Description. The STC rating OITC: Rw: 1/4″ RAL-TL85-169: 31: 29: 32: 1/2″ Structural Charts. com LS-DH-2 Lifestyle Series Double-Hung (—) = Not Available Feb 20, 2024 · OITC values also range from 25 to 75, with higher values translating to better outdoor noise reduction. 250 Series Double-Hung. Halio smart-tinting glass has excellent noise reduction properties. NRC’s Laboratory Measurements of the Sound Insulation of Building Façade Elements3 has OITC and STC ratings for common walls,roofs and windows. 38 (STC) and 33 (OITC). 24 Page 2 of 7 Due to continual product research and development, details listed are subject to change at any time E413-87 in an acoustical wall. Oct 16, 2023 · acoustical ratings not available for this glass combination TL23-110 X--> X 30 28 04/26/23--> X 33 28 12/12/22 TL22-247 TL22-246 acoustical ratings not available for this glass combination X X <--32 27 12/12/22 File Name: Acoustical Ratings - V150 Due to continual product research and development, details listed are subject to change at any time. 3°F/5. Measured on a numerical scale, a higher number means less exterior noise inside your home. WinGuard® Vinyl has many options to maximize energy efficiency and achieve ENERGY STAR® ratings. 4. 800. The STC rating for a six inch concrete sub-floor is 52-55. OITC: Rw: 1/4″ RAL-TL85-169: 31: 29: 32: 1/2″ Structural Charts.