Oitc glass stc rating. File Name: STC Ratings - Trinsic Due to .

Oitc glass stc rating ACOUSTICAL PERFORMANCE: STC - OITC August 2023 www. 6. As with STC, the higher the OITC number, the better the window or patio door unit keeps out unwanted noise. Tuscany® Series STC Ratings Rev: 1/5/17 Horizontal Slider 8120 Operating Style Series Number Test Number Glass 1 Glass 2 STC EWR OITC 98-366 1/8 1/8 29 29 22 File Name: STC Ratings - Tuscany Due to continual product research and development, details listed are subject to change at any time. 70 60 --STC38 Jan 1, 2016 · ¿ ¾ ½ ¯ ® ­˜ ¦ Hz Hzi iTLiAWRS OITC 4000 80 1010log1013. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time The STC measurement has been around since 1961, so for a long time, that was the only rating to measure how windows performed acoustically, in 1990 the OITC measurement came about as a way to rate outside noise. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. Single-pane windows can have an STC rating around 25. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. Test Date; Test Number. Email: info@commercial-acoustics. Jul 17, 2018 · It is important to choose one of the STC or OITC ratings, for not just the glass but also the whole acoustic system. The STC ratings allow accurate 'apple to apple' comparisons. What is a good OITC rating for windows? So, OITC is the ideal measurement for Peerless acoustic windows & doors. Wall Assembly Acoustical Testing Results. UNDERSTANDING STC & OITC RATINGS Not all windows are intelligent. STC ratings are a logarithmic scale similar to the earthquake Richter Scale, which means each escalating number is significantly higher in performance than the previous number. Factors that can influence the STC rating of a window include: Glass thickness. File Name: STC Ratings - Trinsic Due to Feb 11, 2025 · In the building products industry, there are two main rating systems used to communicate how well products block sound: Sound Transmission Class (STC) and Outdoor/Indoor Transmission Class (OITC). ), which was a very cost-effective performance improvement best fits the data gives the STC rating. Test Results: The STC (Sound Transmission Class) rating was calculated in accordance with ASTM E 413. STC ratings are calculated by a weighted average of Transmission Loss (TL: a door’s ability to reduce noise) values taken over 16 frequencies, which are fitted to a curve in a method defined by the ASTM E413 Classification Standard for Rating Sound Insulation. Other ratings may be computed using the same worksheet subsituting the appropriate data for the rating instead of the sound transmission loss. See additional notes below data for specific 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. UPDATED; TD-138 - Heat Treated Glass for Architectural Typically I find the OITC ratings to fall in line with the STC ratings . 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. A typical window has an STC rating of 25 to 30. 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. OITC Rating . STC ratings for sound-reducing windows begin at about 32. Presentation of Results Nov 4, 2016 · In only a handful of cases were the glass-only results the same as the whole-window results. Ensuring your building meets the proper project and building code requirements for STC, OITC, and IIC sound ratings can ensure that your building's space offers an environment that will be comfortable for occupants and not generate complaints. 10mm AIR 6mm Lam. Address: 6301 N Florida Ave Tampa, FL 33604 Mar 23, 2022 · The higher the STC rating, the more efficient the construction will be in reducing sound transmission within the frequency range of the test. 8mm) TL2351H 32 28 4mm Temp. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 The enclosed STC and OITC data is for insulating glass constructions only. Laminated & Double-Glaze Combinations. [3] The STC provides a standardized way to compare products such as doors and windows made by competing manufacturers. components. The sum of the deficiencies below the contour curve not exceed 32. 05-113-11-R0 † Testing was conducted on 10/21/19 1/2” Gypsum Board 2”x4” Wood Framing Cavity Insulation: Closed Cell Foam OSB Sheathing Tyvek House Wrap Vinyl Siding STC 33 OITC 25 STC 31 OITC 24 STC 34 OITC 25 Available nationwide. In this article, we will define STC and OITC in building and construction, the importance of these rating systems and how these measurements demonstrate the acoustic performance of a facade. com. 4. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. Double-pane windows often use a special odorless, nontoxic and clear gas in the empty space between the two glass panes. STC (Sound Transmission Class) measures indoor sounds, like people talking, TV, and music. IG Glass Type Sound Transmission Class (STC) Outdoor/Indoor Transmission Class (OITC) 70 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 23 3mm/4mm 31 26 Laminated DS-DS/060/DS 34 29 SS - - DS 27 23 3mm/4mm 31 26 Laminated DS-DS/060/DS 34 29 SS 27 22 Feb 22, 2024 · Differences between OITC and STC. There is no dependable way to adjust these glass numbers to reliably predict whole window performance. An STC of 40 is the "privacy threshold" Replacing single pane with double or triple pane windows will not significantly increase an STC rating. Due to ongoing product changes, updated test results or new industry standards or requirements, this data may change over time. [Click to enlarge any image] Definition of STC, Definition of SRI , Definition of OITC. The STC rating STC Example : ¼” Monolithic glass has an STC of ~31dB. Generally, larger air space paired with thicker panes of glass will create a much better STC score. tubeliteUSA. Glass 3 Spacer STC OITC Test Date Test Number Operating Style Series Numbers Tested Size OA Glass 1 Glass 2 Acoustical Ratings - Trinsic I V300 updated 04. Without a high OITC rating, low-frequency environmental sounds can be intrusive. The OITC rating better addresses low-frequency noise impacts and is the more applicable sound rating for assessing how well a window or a roof GLASS EXT. It is a relatively new (around 1990) system developed to measure how products perform in keeping outside sounds from penetrating into your living space, or office space. The OITC rating represents transmission loss results from 80 to 4,000 Hz using a different mathematical equation than the STC rating. The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical 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. B. A good OITC window rating is 30+ and usually comes with thicker glass (½” or more) and 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 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. 060 P. STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Glass 1 3/4" (19. 10mm AIR 4mm Temp. OITC has replaced STC for comparing glazing materials. LoVerde and W. Suite 100, Charlotte, NC 28217 PM-6. One can expect that new norms will much more resemble the OITC approach. 22. What Is an OITC Outdoor-Indoor Transmission Class (OITC) rating. In this test, the outboard lite simply was increased from 6 to 8 mm (1/4 to 5/16 in. Summary of Test Results Oct 21, 2013 · Roughly speaking, the STC rating equals the reduction in decibel levels across the partition. While both are effective, it’s important to apply ratings to the right scenarios to provide the highest level of occupant comfort: An STC rating is often sufficient for a project that is soundproofing walls between offices Phone: 888-815-9691. A summary of the sound transmission loss test results on the Series/Model 3500/1255, single hung window is listed below. Fiberglass sound control insulated glass block and absorb sound waves to keep outside noise where it belongs – outside. The figures in Column 3 for theA-weighting adjustments are taken from ANSI S1. 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. Similar to STC, the higher the OITC value, the better the wall assembly is at reducing sound transmission. The other is Outdoor/Indoor Transmission Class (OITC). Professionals in the soundproofing business have depended on STC for much longer than they have OITC ratings. Our secondary window STC ratings range from STC 48 to STC 57. In typical cases, where glass-only results were better than whole window results, the difference in STC ranged from 1 to 4 dBA. Costing more than other materials, this is used mainly for exterior applications. *OITC is estimate d base d on this test. 8mm) TL2351G 33 28 4503 LIFT & SLIDE BALCONY DOOR – Based on a double glazed 25mm IGU GLASS EXT. For windows, STC ratings range from 18 to 38. EFFECT OF A BARRIER’S STC OR OITC RATING ON SOUND TRANSFERENCE Formula for demonstrating the significance of a barrier’s STC or OITC rating: Source Room Sound (X) - STC or OITC Rating (Y) = Sound Transferred to Receiving Room (Z) Glass 1 Glass 2; STC EWR; OITC single hung; 2210 2211 2230 2230J 2270 picture window (slider frame) 2310 2311 2331 2331J 2370. Assemblies will be organized by STC value ranging from an STC of 40 to an STC of 57. Ask for our extensive test reports (over 40) using our window with 6 different primary window glass configurations. Today, the OITC rating System is used to assess any barrier meant to block out low frequency sound. 9 mm) 1/2" 0. File Name: STC Ratings - Style Vitro glass stc ratings chart com, or call 1-855-VTRO-GLS (887-6457). Sep 4, 2018 · The OITC rating, established in the ‘90s, is newer to the industry and is often overlooked in favor of the STC rating. It was created to provide a single number rating for Jan 10, 2025 · Precast walls will usually come with an STC rating to save you the trouble of how determining the STC rating of a wall yourself. Acoustical Guide – Determining Minimum STC Rating Figure 1. Meanwhile, the Outdoor/Indoor Transmission Class (OITC) covers a wider range and lower frequency than the STC. Higher STC ratings mean better sound control. 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. "Sound Transmission Class (STC)" and "Outdoor/Indoor Transmission Class (OITC)" ratings are for individual units based on independent tests and represent entire unit. Storefront Assembly (minimum values) GLASS MAKEUP STC (glass only) OITC (glass only) STC (assembly) OITC (assembly) 1” IGU: 1/4” exterior, ½” space, ¼” interior 35 30 31 25 1-1/16” IGU: through glass exhibits coincident and resonance effects. May 30, 2024 · STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. The glass to center ratings, when tested to ASTM E1425 and ASTM E90, shall not be less than STC 37 and OITC 30. One US glass manufacturer who has E413-87 in an ac oust ical wall. TL2351J 32 27 6mm Temp. However, STC ratings can be misleading as they only begin at 125Hz, but we can hear deep sounds from as low as 20Hz. 5” Acoustics Assembly Number: ISS-02 STC: 43 OITC: 28 Report No. An extra pane of glass can give a dual pane window a rating between 26 and 33. In our recent tests, an annealed IGU was used as the primary window and was tested. When it comes to age, STC is much older than OITC. Spacer type Jun 20, 2023 · Check out this post from Aeroseal to learn what you need to know about STC & OITC ratings and how they impact your commercial property. Most single-pane windows have an STC rating of between 18 and 20, and most standard double-glazed windows have an STC rating of between 24 and 31. Our recording studio windows and doors have STC 60+ ratings. The distance between panes of glass matter. This rating measures higher-intensity noise, such as heavy Windows with an excellent STC rating, for example, may have the same OITC rating as windows with a lesser STC rating. Check out this guide for more info. An STC rating is an instrument measurement of how much noise is stopped. OITC. 24 Page 1 of 7 Professionals use the OITC rating System less frequently than the STC rating System. A typical STC rating chart will often include an example of materials with a given STC rating, and the sounds you can expect to hear given the STC rating. 100 635 Christina Mediastika et al. In addition, proper installation is critical to ensure that sound does not enter through poorly fitted components. Insulation Type STC. must The maximum deficiency at any one frequency must not exceed 8. While STC and OITC ratings are published for various glass configurations, accurate ratings for the glazing system can only be determined by OITC is similar to STC but measures noise from low-frequency to mid-frequency sources, such as aircraft, trains, and cars. The OITC (Outdoor-Indoor Transmission Class) was calculated in accordance with ASTM E 1332. 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. 8mm AIR 6mm Lam. size tested. STC Ratings - Tuscany Due to continual STC ratings allow to accurately compare noise reduction capabilities by using a single value for the acoustical performance of a door. Sound Reduction Index (SRI) is defined in ISO-140 (2012). Aug 10, 2021 · This rating is essentially an average over the 16 frequency points tested. 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. STC ratings are the ONLY way to accurately compare various noise reduction products. 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. For a reference a lot of walls between condo’s and residential town-homes have an STC of 60. (1) Maximum performance for single unit when glazed with the appropriate glass thickness. The STC and OITC ratings measure the ability of a building product to attenuate sound. Glass 1; Glass 2 STC; EWR OITC Test Date Test Number Intercept or Cardinal - - Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name: STC Ratings - Thermalbreak| A250 Due to continual product research and development, details listed are subject to change at any time. For both measures, the higher the Jul 30, 2024 · 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. 228. 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. 0024 greenfiber. It is more durable than tempered glass and is often referred to as impact-resistant or safety glass. 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 There are two common measures of sound performance that you’ll come across: STC and OITC. 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. greenfiber. 3-08 Rev H 02/16 Superior Sound Control What Affects STC Ratings? STC ratings for windows vary depending on the glazing. 1: 25. Notably, road noise is a lower frequency sound, so depending on the proximity to busy streets and interstate highways, it is important to consider the OITC rating and look for higher numbers. (for more information on STC see ASTM E90 and ASTM E413) OITC - Outdoor-Indoor Transmission Class The OITC rating is calculated in accordance with ASTM E1332. Glass 1 Spacer Glass 2 STC OITC; 3. Outdoor/Indoor Transmission Class (OITC) is a number rating of the sound transmission loss of a constructed assembly tested with lower frequencies to represent sound typical of modes of transportation 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. Oct 14, 2014 · interior window retrofits, laminated glass windows, oitc, sound control windows, sound ratings, stc Comments are off 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 Understanding Acoustical Ratings. 03. Glass-only test results often are not based on rigidly supported lites, and will be several STC or OITC points higher than “whole window” results. OITC (Outdoor-Indoor Transmission Class) is a more modern and “real world” test that includes sounds on the lower end of the spectrum, from 80 to 4000 Hz. This data is accurate as of October 2018. STC rating was developed to asses several different types of barriers, such as doors, partitions, windows, and both interior and exterior walls. info@greenfiber. Skip to the content CALL US FOR A FREE CONSULTATION 1-888-380-2376 Dec 22, 2022 · Double-glazed glass can also provide an STC rating of up to 40. After sealed IG units were installed into the laboratory test opening, the first glass panel and wood spacers were used to complete the triple glass configurations. Laminated and double-glazed glass both hold STC ratings of 40, but anything higher typically requires a combination of the two. 24 Page 1 of 7 Glass 3 Spacer STC OITC Test Date Test Number Operating Style Series Numbers STC ratings are used for windows, doors, walls and most building materials. For more information on the STC and OITC rating of Andersen products, please view our Andersen Performance How the OITC Rating is Measured. The STC rating has been in existence for many years and is based on speech sounds. Dec 31, 2024 · STC Ratings vs. Understanding STC ratings for drywall can be complex. Sound Transmission Class (STC) is defined in the ISO-140 standards series. 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. The same process is used to determine STC ratings for doors. Sep 19, 2024 · The OITC rating system is important because it focuses on the types of sounds that are most challenging to block. Outdoor-Indoor Transmission Class (OITC) Recently, a new single-number rating has transmission, an OITC rating is designed to account for sound transmission from typical outdoor sounds which consists of frequencies lower than an STC rating. This critical frequency changes with the glass thickness, in effect moving towards lower frequencies as the glass gets thicker. 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 STC and OITC are standards that measure sound attenuation. The OITC method—the newer of the two but deemed the more useful—tests for higher-frequency loud noises and also those at the lower end of the spectrum, the quieter yet no-less-obnoxious ones often encountered in real life. (PVB 0. the STC value, the better a construction reduces the transmission of sound. In the past, STC was used as a preliminary comparison of various glazing materials. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. 6 days ago · OITC and STC are almost the same rating system except that OITC is geared for testing lower frequencies. Test Number. To obtain the Sound Transmission Class (STC), read the TL of the contour curve at 500 Hz. For videos, design insights and technical education, visit the Vitro The standard 1″ commercial Insulating Glass (IG) unit consists of two lites of 1/4″ glass and a nominal 1/2″ air space. Thermolite Sound Transmission Loss Test Report Results A: Based on our experience at the Architectural Testing Acoustical Laboratory, an OITC rating of 32 or STC rating of 40 is very difficult to achieve on a window with conventional 1" insulating glass. The acoustical performance of windows and doors is influenced not only by the glass but also by the framing members and construction of the window assembly. size tested Glass 2 STC; OITC. Higher numbers show greater sound resistance. Sound transmission loss tests are in accordance with ASTM E90. Sound transmission class (STC) and Outdoor/Indoor Transmission Class (OITC) View Article The higher the rating the higher the resistance to sound transmission. CrystaLite standard skylights featuring 1” IGU (Temp / Lam) units have an approx. Understanding STC Ratings for Drywall. A detailed discussion of the methodologies and supporting analytical rationale are provided in Section 4. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. “In places like New York City, it’s all OITC,” he says. Monolithic glass has specific critical or coincident frequency at which the speed of incident sound in air matches that of bending wave of glass. So I would say the are the same or Oct 16, 2023 · acoustical ratings not available for this glass combination glass combination X--> X 30 27 04/12/23--> X 34 29 12/14/22 OITC Test Date Test Number Intercept or Cardinal horizontal slider 6110 6111 6130 6130J 6170 size tested net 59" x 47" STC 29-34 X X <--32 Operating Style Series Numbers Glass 1 Glass 2 Spacer STC TL22-271 28 12/14/22 TL22-270 to provide conservative estimates of required STC or Rw ratings to be used by the building designer as a planning tool for window glazing. Pella has a rating of 25 stc and Marvin has a rating of 27 stc. Laminated glass provides security for both homes and businesses. 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. 16mm AIR 4mm Temp. 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). (2) The higher the level, the greater the product's ability to resist forced entry. The numbers you get on these will give the amplitude of sound, which is reduced by the glazing, which is why you should go for the highest number as long as it can be afforded. 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. For example, if the transmitter played a sound at 60 decibels and the receiver picked up 30 decibels, the STC rating would be 30. Both STC and OITC ratings inform your window or door selection based on sound insulation The STC rating is the average amount of noise stopped at 18 different frequencies, measured in decibels. They are defined as single number ratings that are calculated using values of sound transmission loss (TL), providing an estimate of the performance of a product. OITC Ratings. This is different from the rating of that same glass once included into a window frame. * The STC (Sound Transmission Class) is a rating system for interior building partitions and viewing windows used to Triple Insulating Glass Construction STC OITC Oct 14, 2014 · When a third panel is placed behind an insulated glazed unit (IGU), Archtest shows values up to 46 STC. Weighted Sound Reduction Index (Rw) and Exterior Wall Noise Rating (EWNR). The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. Vitro glass stc ratings calculator. STC ratings have been determined from TL data using ASTME413 Laboratory measured STC and OITC ratings for various glass configurations. It is calculated based on ASTM E 1332 using sound transmission loss data measured between 80 – 5000 Hz. *OITC is estimated based on this test. STC and OITC results determined in accordance with ASTM E 90, Laboratory Measurement of Airborne Sound Transmission of Building Partitions, and ASTM E 1332, Determination of Outdoor-Indoor Transmission Class. Explore noise reducing windows and doors from Pella. 17. A laminated glass upgrade has an even thicker interior glass pane than STC/OITC upgraded features. OITC (Outdoor-Indoor Transmission Class) measures outdoor-to-indoor sounds, like traffic, airplane noise, and construction. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. E413-87 in an acoustical wall. STC and OITC results determined in accordance with ASTM E 90, Standard Test Method for Laboratory Measurement of Airborne Sound Transmission of Building Partitions and Elements and ASTM E 1332, Standard Classification for Rating of Outdoor-Indoor Sound Attenuation. Here’s an STC cheat sheet to aid your shopping: OITC Test Date Test Number Intercept or Cardinal-- - Operating Style Series Number Glass 1 Glass 2 Spacer STC File Name: STC Ratings - Aluminum | A150 Due to continual product research and development, details listed are subject to change at any time. Similar with NFRC rating, the STC and OITC rating are highly determined by the IG packaged used for that specific unit. Test Date; Test Number 8120 8130 8170. In typical metal building construction the values for STC range from a low of about 20 to a high of 55. STC 43 Assembly Components Finish material 5/8” Gypsum Size 3 5/8” Steel Stud Spacing 16” oc Product AFB Thickness 3. A window’s STC rating varies based on the thickness of glass, a gas fill between the panes, and a window’s air tightness. OA Glass 1 Glass 2 Acoustical Ratings - Ultra I C650 updated 04. Series: Forgent® Series Heritage Series Ultra Series VistaLuxe WD LINE Glass 3 Spacer STC OITC Test Date Test Number Operating Style Series Numbers Tested Size OA Glass 1 Glass 2 Acoustical Ratings - Style Line I V250 updated 04. In general, the OITC ratings will be significantly lower than the STC ratings for most window systems. 800. The OITC is determined from testing between 80 Hz and 4000 Hz. OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. GAP GLASS INT. STC OITC 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000. Aug 21, 2024 · STC ratings range from 0 to 100. 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. Look for a high STC rating for superior performance. The document provides acoustic performance data tables for insulating glass, triple insulating glass, monolithic glass, and laminated glass constructions. The glass to interior ratings, when tested to ASTM E1425 and ASTM E90, shall not be less than STC 38 and OITC 30. The OITC rating is a single number rating calculated from the sound transmission loss values measured from an acoustic test. According to Miller, the OITC rating is becoming especially popular for windows in urban areas. 8120 8130; horizontal slider 8125 8220 8230; single hung horizontal slider; 8140 (accessory groove) File Name: STC Ratings - Tuscany Due to Nov 4, 2016 · In one recent side-by-side test of an IGU employing unequal glass thickness at the interior and exterior lite, STC performance improved by 5 dBA and OITC by 3 dBA versus a balanced, symmetrical IGU. 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. Sep 14, 2021 · Conduct These Three Sound Ratings. Number of glass lites. The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. 1 2024-01-15 Prod Perf-2 11708532 Architectural Detail Manual Certification and Code Information Marvin meet or exceed the following industry and federal performance standards STC indicates how well an interior wall, exterior wall, door, window, or floor blocks noise. E413-87 in an acoustica l wall. insulating glass units. Like the STC rating System, OITC measures sound intensity loss in decibels. Single-pane units typically earn ratings between 26 and 28, while double-paned ones often range between 26 and 33. com PRODUCT . Glass size and glazing system will affect STC rating. STC Ratings Updated: 08/19/2021 by K. It is a non-linear scale. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time Glass 1; Glass 2 STC; EWR OITC; Test Number horizontal slider; single hung picture window (slider frame) 6310 6311 6331 6331J 6370. A rating of 40 would likewise correlate with a volume reduction to approximately 1/16th of the original level (1/2)^4 = 1/16). To determine the specific STC ratings of glass and a Sep 21, 2018 · When looking at STC ratings for windows and doors be aware that the glass manufacturers publish values for the glass they produce. At this measurement, you would be able to comfortably hear a conversation going on outside. Jan 18, 2022 · 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. com www. A small change in the STC rating can make a big difference. STC -114• glass) with an STC rating of 34. 4 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 Sep 21, 2020 · A pro’s guide to the importance of sound control and glazing strategies to control unwanted noise on a project. Type STC OITC: Panel Doors: 29 27: Doors with Glass: 30 28: Doors with Mirror : 34 31 Type STC OITC: Fir 6-Panel: actual rating could vary. That being said, anything below an STC rating of 40 might garner comments about paper thin walls. 1/4" 41 41 Window STC Rating Chart. Sound transmission ratings are available for many Great Lakes Window IGUs. May 22, 2022 · What is an OITC Rating? OITC stands for Outdoor-Indoor Transmission Class. Confirm ratings for STC Rating . STC Reference Contour 1/3-Octave Band [Hz] 125 Jan 31, 2014 · AAMA 1801-13, “Voluntary Specification for the Acoustical Rating of Exterior Windows, Doors, Skylights and Glazed Wall Sections,” describes the use of sound transmission loss test data to calculate Sound Transmission Class (STC) and Outdoor-Indoor Transmission Class (OITC) ratings. What is Sound Transmission Class (STC)? Jan 26, 2022 · A typical dual-pane window has an STC rating of 25–30. One is Sound Transmission Class (STC). It would make sense that a a window with a lower air infiltration number would have a lower STC/ OITC rating but the testing data I have seen does not The higher the STC or OITC value, the lower the magnitude of sound transmission through the barrier. NWTL140828-03 STC 40 Assembly Components Finish material 1/ STC 31 Contour Curve Wall System with Sprayed Closed Cell Foam (Full Cavity) † Intertek Report Number K2810. At JELD-WEN, for example, we the rating, and Table 3 shows an example worksheet for calculating OITC. The difference in OITC ranged from 1 to 5 dBA. Feb 20, 2022 · For double pane, glass thickness is the big determiner of the STC rating. Thermolite Sound Transmission Loss Test Report Results Windows and doors can help block outside noises whether you live in the city or on a farm. Implementation of the appropriate rating system is important because OITC and STC ratings are not linearly related, and the achievement of a strong STC rating does not necessarily correlate with a similar OITC rating. If you need testing for these three sound ratings, Intertek can help. If an sound is 60 dB on one side of the window and 30 dB on the other, than the STC rating of the window is 30. minimum STC rating of 35. Dong, “Comparison of sound transmission class 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. / Procedia Engineering 145 ( 2016 ) 630 – 637 This study showed that within warmer environment, compared to monolithic and tempered glass, OITC of laminated glass dropped as low as 29, which is identical to OITC of The OITC covers a wider range and lower frequency than the STC. The Outdoor-Indoor Transmission Class (OITC) is calculated by subtracting the logarithmic OITC. Just because of the nature of the glass there will be some sound transmission. An example of a window STC rating chart is as follows: 26-28 – single pane window; 26-32 – double pane window; 48-54 – soundproof window over a single pane window fication system that would address more of the low frequency incident sounds. Either one of these numbers do not seem to fluctuate between brands with higher and lower number air infiltration ratings. The Infinity laminated upgrade features a vinyl interlayer, a protective plastic film, between the inner two glass panes. 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. 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. Glass siz e and glazing system will a˜ect STC rating. Unlike thermal Interested homeowners have three options when shopping for replacement window glass: Standard Transmission Class (STC) glass, which acts as a buffer for the typical sounds generated inside or near your home; Outdoor/Indoor Transmission Class (OITC) glass, which covers a wider range of frequencies to mitigate sound coming from highways, trains The glass to exterior ratings, when tested to ASTM E1425 and ASTM E90, shall not be less than STC 38 and OITC 31. Mass pigmented and decorative interlayers can also be used to provide a wide range of effects. If reducing noise is a major concern of yours, search for a window in the 30–35 STC range — for example, a 100 Series window with an STC upgrade or a 400 Series window with laminated glass. com Page 1 of 2 www. What is the difference between STC and OITC Ratings? STC (Sound Transmission Class) and OITC (Outdoor-Indoor Transmission Class) ratings are both essential considerations for architectural laminated glass customers who prioritize Mar 30, 2023 · Also, an acceptable STC rating for walls may be different from the acceptable STC rating for floors, depending on whether the walls are shared by a neighbor, or a room is directly beneath a kitchen with heavy traffic. When evaluating the soundproofing needs of a space, it’s essential to understand the distinction between Sound Transmission Class (STC) and Outdoor-Indoor Transmission Class (OITC). About Vitro Architectural Glass. In this study, the window had a target STC of 30 but was only testing to 25. Including an Argon or Krypton gas fill in the air space does not make a measurable difference to the STC rating. V. glass constructions only. It is important to understand what the ratings mean. See Design Data pages in this section for specific product performance class and grade values. How Does STC Differ From OITC? OITC stands for outside-indoor transmission class. Unlike the STC rating (Sound Transmission Class), which measures the reduction of mid to high-frequency sounds like speech or television noise, OITC is tailored to assess the performance of materials in mitigating low-frequency outdoor noises. While the STC rating system is fairly well entrenched in the literature, codes, and government regulations, the OITC rating system is now becoming more visible. Pim OITC Test Date Test Number size tested 6040-- - Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name The higher the STC rating, the better the glass is at reducing noise transmission through walls and partitions. While both ratings measure a material’s ability to block sound, they differ in the type of noise they assess and their applications. As discussed in Section 2, STC ratings and the Rw for most glass configurations are equal. Glass size and glazing system will affect STC rating. 08/2024 The higher the STC or OITC value, the lower the magnitude of sound transmission through the barrier. Introduction and Product Performance for Elevate/Essential Ver 2024. com 5500 77 Center Dr. (see Table 5-15). gaskets/sealants, insulating glass unit spacer and sealants, and possibly interlayers. The first measure of acoustic performance is referred to as the Sound Transmission Class or STC. An intelligent window can do more than you would think. alumicor. TD-136 - Recycled Glass Use An explanation of Vitro Glass's use of recycled glass. TEST NUMBER STC OITC 6mm Temp. STC: This system has grown to be the most used and recognized method of comparing acoustic performance of building products in the industry—not The STC or sound transmission class is a single number method of rating how well wall partitions reduce sound transmission. The results express in decibels as opposed to the point system used to determine STC ratings and with weighting more towards low frequency performance. 800-782-5742 Talk to an expert! Oct 18, 2023 · Most of the time, an assembly’s OITC rating is lower than an STC rating. Widely used STC (Sound Transmission Class) measures frequencies from 125 Hz to 4000 Hz. Oct 1, 2019 · The authors have previously analyzed the use of OITC versus STC for describing the sound isolation of exterior façade assemblies [J. qxbh oqjru ttkxtim vetvmvfj adfgi ztilr zbfvt szfbhh uovjsr vhycmt zxvtmxs pggri taitr earujh nmeen