Wood glass stc rating chart Calculate What You Need for the Improvements Windows and doors can help block outside noises whether you live in the city or on a farm. 404 / 4P04 / 5502 / 5P02 : 32 . What Is a Good STC Rating? An excellent rating is an STC of 60 or higher. com (blocks 25 – 50 Standard windows offer sound control up to an STC rating of 30. However, it is A standard dual-pane window carries an STC rating of around 27, but requesting the appropriate options can boost that value up to around STC 34. (See also Sentence 9. if gas is inserted between the panes, the thickness of the glass, and how airtight they are. Wood door frames must meet certain requirements in order to be classified with high-performance STC ratings. 24 mm) 1/8" 0. B. OITC 2”x4” Wood Framing Cavity Insulation: Various OSB Sheathing Tyvek House Wrap Vinyl Siding Sample Construction Each test specimen was built A ULC Listing showing that the sound-insulating assemblies specified in the Sound transmission class (STC) rating table meet the Code’s fire-rating requirements is required in buildings where the NBC 2015 requires a fire-resistance rating for wall assemblies. 060" PVB, 1/4" glass 57; 61 65; 3150. Six Things You Never Knew About STC Ratings. Please see the charts below for each product's specific U-Values: Energy Star Qualification Chart – All (STC) Ratings. 1/8" 37 37 1/2" (12. Calculate What You Need for the Improvements You Want. STC 52 Staggered 2" x 4" (51 mm x 102 mm) wood studs 16" OC (406 mm): single layer 1/ 2" (13 And glass in the door lowers the overall STC rating even more. 1 Any door with a large undercut will generally have an STC rating of less than 20. the sum of the parts - glass in sash in jamb). or lighter) steel stud partition will result in about a 5 STC-point increase, doing the same on single wood Our new tool allows you to easily find and sort door selections based on STC rating, fire rating, glass size, and more. To properly specify the amount of sound control desired in a floor/ceiling assembly, an architect should consider both the STC value and IIC rating. Assemblies will be organized by STC value ranging from an STC of 40 to an STC of 57. 3 Metal or solid-core wood doors with effective perimeter seals and automatic door bottom typically provide STC 30. 1/8" 36 36 3/8" (10. txt) or read online for free. Combining different glass thicknesses with laminated glass adds even more sound control. 2 Metal or solid-core wood doors without perimeter seals typically provide STC 20. Caution: You cannot add STC ratings. STC 52 Single 2" x 4" (51 mm x 102 mm) wood studs 24" OC (610 mm), resilient channels: single layer 5/ 8" (16 mm) Type X gypsum board each side; one thickness 35/ 8" (92 mm) JM Formaldehyde-free thermal/acoustical fiber glass batts. A detailed discussion of the methodologies and supporting analytical rationale are provided in Section 4. STC [dB] Single pane glass window (dual pane glass window range is 26-32″) 27: Single layer of 1/2″ drywall, glued to 6″ lightweight concrete block wall, painted both sides Single layer of 1/2″ For further help, check out the STC rating chart below. STC is used to measure the sound transmission loss of interior walls, ceilings and floors. Reference Neutral & Positive Pressure Fire Capabilities charts for guidelines. 11. WALL DESCRIPTION UL FIRE RESISTANCE DIRECTORY 2 FIRE RESISTANCE DESIGN MANUAL GYPSUM ASSOC. The U. TL-93-249 Materials 2 x 4 Wood Studs staggered 16" o. Its original intent was to quantify interior building partitions not exterior wall components. Our comprehensive chart is your go-to resource for making informed decisions. Consult VT for lite & glass approvals. This Sound Transmission Class (STC) ratings for glass indicate how well a partition, wall, or window mitigates or blocks sound and reduces noise. As a result it is not recommended for glass selection of exterior wall applications since the single-number rating was achieved under a specific set of laboratory conditions. A high STC rating is better than a low one. Oldcastle BuildingEnvelope ® offers a variety of To make ordering STC rated doors from TruStile easier, we have tested our MDF and Wood Doors with hardware packages from Zero International. -1/4" (total 1/2" thick), Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. Old aluminum and wood windows are rated even lower. STC ratings are pretty straightforward. Please reference the below STC ratings chart if you haven't already for a brief overview of the different ratings and what they mean. When looking at STC ratings for windows and doors be aware that the glass manufacturers publish values for the glass they produce. VTsoundsource includes all VT door types. The STC and IIC ratings 1. STC ratings are an established way to average how much sound is stopped by something. What Is a Good STC Rating for Windows? As an example, STC rating of 22 to 24 with gaining overall STC rating and speech privacy. 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 glass batts. This is different from the rating of that same glass once included into a window frame. Glass 3 Spacer STC OITC Test Date Test Number Operating Style Series Numbers Tested Size OA Glass 1 Glass 2 Acoustical Ratings - Ultra I C650 updated 04. Doors are 1¾” thick through STC 50. Delta 1000 INDUSTRIAL PARK P. Which wall has the highest STC rating? The commercial Looking at the chart above, once a wall gets to an STC of 45, loud speech is audible but not understandable. Laminated Glass Construction STC OITC* 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 The following STC rating chart will help you identify the level that works best for your application. It includes STC ratings for commonly used materials such as: Andersen provides ratings for windows and patio doors' sound transmission into the home. V400 | Tuscany® Series Acoustical Ratings rigid non-rigid Intercept / Cardinal Foam / 4SG / A glass type’s STC rating measures how effectively glass will provide sound insulation. The estimated ratings are based on laboratory test results The STC rating chart provides a visual representation of the sound transmission class ratings for different materials, illustrating the amount of sound transmission being reduced and the frequencies of sound being affected. V. Wood Stud Partition STC 451 Materials 2 x 4 Wood Studs 16" o. 2 HOURLY RATING GYPSUM 2½″ 39 TL-93-058 2½" 25ga Steel Studs 16" OC, ⅝ gyp w/ 2½" Fg batt . On the based analysis approach for deriving STC and IIC ratings for assemblies constructed with wood and wood-based framing. pdf), Text File (. 1. 368. Here’s a table showing what each STC rating represents: STC: What can be heard: 25: Normal speech can be understood: 30: Loud speech can be transmittance coefficient (STC) rating: • Between wood or steel stud framing faced with gypsum boards. By doubling the drywall and adding some batt Assemblies with lower U-Values transmit less heat than those with higher values. 5” Acoustics Assembly Number: ISS-02 STC: 43 OITC: 28 Report No. See Section 3 for actual TLdata. V300 | TrinsicTM Series Acoustical Ratings Intercept or Cardinal Foam or Dura**** Glass 3 b) construction providing an STC rating of not less than 43, or c) a separating assembly and adjoining constructions, which together provide an ASTC rating of not less than 40. ). -1/4" (total 1/2" thick), Below are the STC ratings of various wall assemblies, each presented to help illustrate concepts, improvements and rules of thumb. Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. STCratings have been determined from TL data using ASTME413. At around 55, loud speech is audible, and at the top end, only very loud music is audible. STC fabricated from inorganic glass fibres. Even the published STC Ratings for materials The average STC rating for a regular single pane window is 27. The STC Class (STC) rating. STC . This document provides sound transmission class (STC) ratings for various glass and wall constructions. The table below shows typical window STC rating values for single pane windows and dual pane windows, Window Glass: Normal STC Range: Typical Value: Single pane glass: 26-28: 27: Dual pane glass: 26 OITC Rating vs STC Rating. STC Rating Chart. Fiber-Classic and Smooth-Star Select materials for sound absorption according to their STC ratings. is available in widths for steel and wood structures to provide friction fit to prevent settling. When thinking about STC ratings, there is a lot to understand and consider. 24 Page 1 of 7 Due to continual product research and development, details listed are subject to change at any time. 404 / 5502 : 30 . We display these packages as Package A, B and C in the tables below. 2. The STC rating system looks at the amount of noise mitigation provided by the assembly over a broad range of frequencies and a single number is calculated as its rating. The chart below indicates the STC rating of specially made acoustic doors using various applications of gasketing. STC Rating: What can be heard at this level: 25: Soft speech can be heard and understood: 30: NormaLspeech can be heard and understood: 35: For example, a standard interior wall that consists of two sheets of ½ inch drywall separated by wood studs and no insulation has an STC rating of 33. General notes The chart below indicates the STC rating of specially made acoustic doors using various applications of gasketing. C650 | UltraTM Series Acoustical Ratings Intercept or Cardinal Foam or Dura**** Glass 3 Spacer Additionally, the door component of the assembly must be analyzed since it is the biggest factor in the change of STC ratings. The first column is the rating of the door panel only; tested in a static inoperable condition to determine the sound transmission through the door. 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 hear a peep from your neighbors. While STCs are a good one-number approximation for the soundproofing capacity of a wall, they are limited in a few ways: This can range from wood (hardwood, engineered wood, parquet mosaic, or bamboo) to concrete, carpet, or tile. e. The STC rating figure represents approximately the decibel reduction in noise that the assembly can provide. • Between wood or steel stud framing faced with gypsum boards placed on each side of a concrete or concrete masonry unit walls (party walls, stairwells, service rooms, etc. 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. While standard glass units consist of two panes that are the same thickness, • Acoustic wood door and steel frame assemblies are available in STC ratings up to & including STC 56. The higher the STC value, the better the wall assembly is at reducing sound. ) 3) Construction separating a dwelling unit from an elevator shaft or refuse chute shall have an STC rating of not to provide conservative estimates of required STC or Rw ratings to be used by the building designer as a planning tool for window glazing. stc_rating_chart. The STC rating measures sound resistance through a material, on a scale from 0 to 100. 5” Wood Stud Double Drywall Construction 16”oc Cellulose 5/8” Drywall 3. The overall STC rating is an average of the STC ratings measured between 125 Hz and 4,000 Hz. 827. STC rating chart . † Between wood or steel stud framing faced with gypsum boards TABLE 5(1) – Double Wood Studs (3-1/2'') with 1'' (min. About Us Glass Railings; Glass Table Tops; Sports Arena Glass; Glass Hardware Solutions; Glass Factory Quotes / Orders / Customer Operating Style Series Numbers Glass 1 Glass 2 Spacer STC TL22-271 28 12/14/22 TL22-270 acoustical ratings not available for this File Name: Acoustical Ratings - V150 Due to continual product research and development, details listed are subject to change at any time. FILE NO. Now that people know what an STC rating actually is, the next step is determining the STC rating of a wall, drywall, and windows. Department of Housing and Urban Development (HUD) provides information on housing policies, programs, and resources. You might get something around STC 35. If you can live without the light some of the time, I would suggest adding either a door from acousticalshutters. O. Down to 35 – 40. Determine Target STCs. Estimated. Home Blog FAQ About New Calculla About us Contact. > Sound transmission class table. 10. 030" PVB, 3/16" glass 48 50; 49 2-3/4" overall - 3/8" glass, 3/4" airspace, 5/16" glass, 3/4" airspace, 1/4" glass, . At this rating, you may be able to hear very loud sounds faintly, but most sounds you won’t hear at all. 2 and 1206. c. 22. You can also utilize the export feature for reference during the quoting process. An outdoor-indoor transmission class rating chart is used to To find out the best windows and their glass STC rating chart, contact the best window company in Toronto such as Vinyl Light. Otherwise, STC ratings should be enough to insulate your home against excessive external noise. STC: What can be heard at this level: 25: Soft speech can be heard and understood: 30: meaning two sheets of ½ inch drywall separated by wood studs and no insulation, provides an STC rating of 33, which provides almost no soundproofing. The higher the STC rating, the better the sound isolation. 1615 EXT. For design guidelines: . 4. As required by IBC Sections 1206. Frameworks Manufacturing is pleased to offer to its distributors a new option never before available in the aluminum frame industry. BOX 490 HOLSTEIN, IA 51025 P 800. Specific products for these building materials will vary, so talk to the manufacturer to get the exact STC rating before purchasing. An STC of 25 is considered bad and an STC of 50 and above is usually a good place to start with soundproofing. If you have an STC 33 wall and decide to add another sheet of drywall with an STC of 20 you do not get a finished wall with an STC of 53. 17. FSC* NAUF* Gasket Seal System : Maximum Door Size** Lite size : GlassType / Stop . Ratings must be determined in accordance with CAN/ULC-S101-14, “Fire Endurance Wood Fr aming STC and IIC Values Sound Control Visit our website atwww. STC 57 Single 2" x 4" (51 mm x 102 mm) wood studs 24 OC (610 mm), resilient channels: double layer 1/ STC 35-52. 5 mm) 1/4" 0. Sound Transmission Class Rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. 03. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time. As a result it is not recommended for glass selection of exterior wall applications 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. Filters Clear Export Wood Bead - Lipped VT10 (110) 1-1/8" Non-Rated IGU: 400 (min) Heritage Flush / Palladium Flush: 27: Non-Rated: STC Rating Chart Determining STC Rating of Wall, Drywall, and Windows STC Rating of Drywall. STC ratings are used for windows, doors, walls and most building materials. STC 43 Assembly Components Finish material 5/8” Gypsum Size 3 5/8” Steel Stud Spacing 16” oc Product AFB Thickness 3. 9 mm) 1/4" 0. Save as PDF. Including an Argon or Krypton gas fill in the air space does not make a measurable difference to the STC rating. Table 2 shows how the STC ratings for walls relate to their ability to attenuate different types of sound. The STC value is a measurement of the Glass size and glazing system will affect STC rating. STC is a measure of the average noise reduction in decibels for speech-like sounds that pass through an assembly. Single wood studs, are shown in bold face type in another with decoupling connectors column. VTSTC-0811 Glass wool generally comes in the form of rolls or in slabs, with different thermal and mechanical properties, but it is also produced as a material that can be sprayed or applied in place, making it quite versatile. Wood veneer, HPDL Horizontal Grade Standard Table shows sound transmission classs (STC) for common building materials. acoustical ratings not available for this glass combination TL23-107 fixed (slider frame) This STC rating chart shows a variety of building materials, their average STC rating and what noise can and cannot be heard at that rating. STC Rating. 060 P. A typical interior wall has a single layer of 1/2-inch drywall on each side with no insulation inside with an STC rating of 33. For more information on the ratings provided, please see the definitions below. 4163 WWW. It must be remembered that the STC or OITC rating of a glass product does not represent the rating of the glazing system. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500. pdf - Free download as PDF File (. com. -1/8" (total 3/8" thick), 1/4"-0. This is probably what the field STC rating is of that walls in your house or apartment, even it it may have been designed at an STC 50+. 1 mm) 1/4" 0. 030" P. The difference STC ratings allow to accurately compare noise reduction capabilities by using a single value for the acoustical performance of a door. glass, wood, concrete) have STC ratings as do multiple components (i. The second column is the rating of the operable door Mineral core wood doors and Honey comb core hollow metal components. _____ Ultimately, STC ratings are one of the best ways to compare different types of windows and doors when you’re looking to overhaul your home’s sound insulation system. Heavy duty. They are logarithmic values and cannot simply be added. VTINDUSTRIES. Skip to Main Content Skip to Footer Quotes / Orders / Service: 800-325-0596. 564 F 712. Search. A rating of 0 on glass means that all sounds will be transmitted, no sound Select materials for sound absorption according to their STC ratings. jm. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. 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. If you The STC rating very roughly reflects the decibel reduction of noise that a partition can provide. We can ask glass manufacturers, for example, what the STC Rating for a specific type of glass is. (2) and Note A-9. The attached STC and OITC data is for glass only and that the final STC rating of the window assembly could vary because of the influence of the acoustical performance of the framing members and the construction of the window assembly. Consult factory for *OITC is estimate d base d on this test. Address: 6301 N Florida Ave Tampa, FL 33604 To achieve even higher STC Ratings, window manufacturers may offer the addition of laminated glass, dissimilar glass and other sound dampening components to their window design. Heavier glass and/or different glass thicknesses can be used in lieu of standard glass for a higher reduction of sound. (2). 5 Staggered Wood Stud Partition STC 501 Test. 20-min : Y . Table shows sound transmission classs (STC) for common building materials. If the drywall is constructed on hollow wood studs, the STC rating will be about 33dB. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. 5” Wood Stud 16”oc 16”oc Cellulose STC and OITC Ratings of ASTM E 90 Assemblies STC Rating for Underwriters Laboratories (UL) U370 Using GreenFiber FRM STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. 1/4" laminated glass & wood stops . 2 x 6 Wood Plates 21⁄2" Fiber Glass 1000 INDUSTRIAL PARK P. NR : Y . ) Air Space in between 2 Layers Spacing for 2 A standard wall will have an STC rating of 35-45. But we can't determine the STC Rating for a multiple component (an entire window) without testing it. • Between wood or steel stud framing faced with gypsum boards Thermal Insulation, Mineral (Glass) Fibre, for Buildings (supersedes CSA A101-M1983); Type 1, pre-formed insulation • CAN/ULC-S102, Standard Method of Test for Surface 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 STC Rating. (25-ga. 1/4"La 38 38 1/2" (12. Weight varies by STC rating & core type; Consult with VT. 2 x 4 Wood Plates 31⁄2" Fiber Glass Insulation 2 layers 1⁄2" Type “X” Gypsum Wallboard each side 1 Based on NAIMA BI 405 data. (commonly glass) vibrates or resonates at the same frequency as the source of the noise. When tested in the field, an STC rating of a wall assembly will almost always be lower than the lab The higher the STC or OITC rating means the higher the sound attenuation properties of the window. The higher the rating, the more effectively it will accomplish that goal. ^Fire rated doors require glass that meets fire rating; must be caulked. -1/8" (total 1/4" thick), 1/4"-0. As discussed in Section 2, STC ratings and the Rw for most glass configurations are equal. made at the factory from hardware manufacturer's templates & approved. You can use the preceding table as a guide for choosing materials based on the required degree of sound control. Email: info@commercial-acoustics. 3. com Or call:1-800-654-3103 Staggered Wood Studs Double Wood Studs board one side, single layer other side; one thicknesses 35/ 8" (92 mm) JM Formaldehyde-free thermal/acoustical fiber glass batts. On the low end of the scale, you will be able to hear voices but not the content. This might seem a little difficult to do, but as long as a person has somewhat of an idea on how the ratings work, it is a pretty straightforward process. Sound Transmission Loss (dB) 43 1-3/8" • Acoustic wood door and steel frame assemblies are available in STC ratings up to & including STC 56. No. COM Door featured on cover: 1250H - HPDL, Formica Bamboo Cane Laminate Printed on recycled and recyclable paper. Explore noise reducing windows and doors from Pella. For example, if you look at the transmission loss result graph, you can see that at a frequency of 125 HZ, the number of Oldcastle BuildingEnvelope ® offers a comprehensive line of laminated glazing solutions including security glazing. S. STC is widely used to rate interior partitions, ceilings/floors, doors, and windows. Understanding Transmission Loss Results. 1/4" 38 38 ZONA stc_rating_chart STC Capability Chart. 1/4" 39 39 ZONA Specific materials (i. For extra heavy duty, blocking for hardware is required. If thicker glass material is used, the rating can go up to 35. Glass siz e and glazing system will a˜ect STC rating. 3, this analysis procedure is based on comparisons of data from floor/ceiling assemblies having STC and IIC ratings as determined by the test procedures set forth in ASTM 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. To achieve your acoustic goals without settling for more expensive solutions, ask for dual-pane windows with dissimilar glass. May 6, 2020, by Viracon. . A high STC rating can mean the difference between a peaceful oasis and a Phone: 888-815-9691. The higher the STC value, the better the rating and the better the performance as shown in Figure 3 and Figure 4. Calculating the required improvement involves subtracting the target STC rating from the existing STC rating. Follow fire rating guidelines : Variations could affect the STC rating of the opening. The STC is useful for evaluating annoyance due to speech sounds, but not music or machinery noise as these sources contain more low frequency energy than speech. The glass types listed below are included in the Laminated Glass offering. Pre-drilled hinge pilot holes; all cutouts for mortise hardware should be. Sound transmission class (STC) ratings and OITC ratings both rate the effectiveness of an assembly to attenuate airborne sound. STC rated STC is determined by a weighted average of TL 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. VT Door Types . Wood frames are available up to STC 45 • Face veneers are available in virtually every species, cut & grade. QUIETZONE Acoustic Batt insulation is designed to help control noise by absorbing sound (STC) rating: † Between wood or steel stud framing faced with gypsum boards. For 1-7/8" overall - 1/4" glass, 1/2" airspace, 1/4" glass, 1/2" airspace, 3/16" glass, . Wood doors are available with custom stain match or clear coat inishes. The first column is the rating of the door panel only; tested in a static Our new tool allows you to easily find and sort door selections based on STC rating, fire rating, glass size, and more. The system includes many materials other than glass, including the framing, the glazing Vitro Architectural Glass PAGE 4 OF 4 HISTORY TABLE ITEM DATE DESCRIPTION Original Publication 4/23/03 TD-135 Revision #1 2016-10-04 Updated to Vitro 3/4" Wood Flooring 3/4" Wood Subflooring 3"x14" Wood Joist Supported on 15"x15" Exposed Wood Beams: NIC 28: FIIC 22: AT001099A: AT001099: 3/4" Wood Flooring 3/4" Wood Subflooring 3"x14" Wood Joist Supported on 15"x15" Exposed Wood Beams Attachment to Wood Joist KINETICS ICW Hanger Cold Rolled Channel 3-1/2" Fiber Glass Batt Insulation Drywall The STC wall rating chart measures between 45 – 80. Staggered wood studs on single plates for information which may be –Available with high NRC, CAC, and combination NRC/CAC ratings –Provide stylish and effective sound control in a full range of commercial applications including retail, healthcare, hospitality, educational and office settings –Veneer plaster partitions achieve up to 63 STC in steel-framed resilient systems and up to 52 STC in wood-framed resilient systems –Have achieved 1- to 4 When deciding what STC rating you should specify; use the following chart to in light your decision: STC: PRIVACY AFFORDED: 25: Normal speech easily understood: 30: Normal speech audible, but unintelligible: 35: Solid wood door: 26: 1/4" plate glass: 32: 1/2" plate glass: 38: 1/2" drywall on wood studs, both sides: 42: 5/8" drywall on steel studs, both sides: 46: 8" hollow A four-point STC improvement can cause a clearly perceptible change in your home’s acoustics, while a 10-point improvement can reduce sound by 50 percent. Y : A . Double glazed windows are a bit superior for blocking sound, with an average rating of 29. An assembly with a high STC rating has good sound attenuation characteristics. SUMMARY DATA: All thickness combinations of Rockwool (RW) This chart investigates assemblies with I-II (two layers one side, one the other) of 5/8" type X gypsum If you have an STC 45 wall, this does not mean the wall stops 45 dB of sound. 5” Wood Stud Single Drywall Construction Wall Construction Schematics 5/8” Drywall Single Staggered Drywall Construction 3. Fire Rating . 800 Park Drive, Owatonna, MN 55060 US Acoustic and Fire Ratings for Typical Steel Stud Partitions STUD DEPTH STC NATIONAL RESEARCH COUNCIL (NRC) TEST NO. 030 P. • Between wood or steel joists in floors and ceilings frequency content of speech. 4000; STC. 1/8" 35 35 3. frequencies used in STC ratings correlate in a general way with subjective impressions of sound transmissions for speech, radio, and television. NWTL140828-03 STC 40 Assembly Components Finish material 1/ STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 Single Laminated Glass 1 1/4" (7. Sound transmission class (STC) is a single number rating of sound isolation of a building wall assembly. RAL TL 85 and TL 95 sound transmission loss tests are in accordance with ASTM E90. All of these ratings are for operable single swing doors with the sound control hardware specified in the right hand side of each table The Basics of STC Ratings. STC ratings commonly range between 30 to 75+ and are largely dependant on the type of materials used in the assembly and the care taken in construction. The chart provides a range of sound transmission loss ratings that can be achieved on most types of A soundproofing system with a high STC rating may be effective at blocking high-frequency noise, but not low-frequency noise, and vice versa, as illustrated on the transmission loss graph. 53 mm) 1/4" 0. VTSTC-0811 transmittance coefficient (STC) rating: • Between wood or steel stud framing faced with gypsum boards. STC [dB] Single pane glass window (dual pane glass window range is 26-32″) 27: Single layer of 1/2″ drywall, glued to 6″ lightweight concrete block wall, painted both sides Single layer of 1/2″ When planning your acoustics—especially in environments like conference rooms or medical facilities where sensitive information is discussed—knowing the STC ratings of different materials is crucial. +Door with lite - STC 44. 1/8" 35 35 3/8" (9. How STC Ratings are Determined. • The tables show STC ratings of the same wall assemblies with either fiberglass or rockwool filling the cavity. The column with the three dots is 1. Dissimilar glass. xuz adrynx ofh cbqxwp pqj ccqzr zyfmqc msj dxct gcgtvo yzqz istn fzav xru tygnpn