Stc sound rating - Last Updated January 12, 2021. Sound Transmission Class or STC is the rating system by which the ability of a partition to attenuate, (reduce the effect of) …

 
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It’s the measurement of how much noise is reduced as it passes through a medium. The majority of common STC ratings fall within a range of 20 to 60. An STC rating of 20 is considered very poor soundproofing quality whereas an STC rating of 60 is considered excellent soundproofing quality. STC relates to …The STC value, or Sound Transmission Class, is calculated by the transmission loss at many different frequencies (high pitches and low droning sounds) to give a single number average. Well-built soundproofing curtains will achieve an STC of 20 or higher, and some very heavy versions will achieve an …a separating assembly providing a sound transmission class (STC) rating of not less than 50 and adjoining constructions that conform to Article 9.11.1.4. (See Note A-9.11.1.4.) 2) Where a house contains a secondary suite, each dwelling unit shall be separated from every other space in the house in which noise may be transmitted by. 9.11.1.2.a wall, floor or roof. The higher the rating the greater the degree of noise reduction. A STC rating of 55 is required for inter-tenancy walls. Within a dwelling an internal wall with a STC rating of 45 will usually "muffle" television, telephone ringing and conversation in an adjoining room. STC ratings are determined by laboratory …Sound transmission class (STC) is a rating of sound isolation of a building wall assembly. The higher the STC rating, the better sound isolation the wall …The STC rating is the approximate reduction in noise level through the wall. So, for example, a 50 dB noise would sound like a 15 dB noise on the other side of an STC 35 wall system. A typical 2×4 wall has an STC rating of about 35. An STC rating of 40 is pretty good – loud speech will be audible through the wall, but you won’t …The STC rating measures sound resistance through a material, on a scale from 0 to 100. A rating of 0 on glass means that all sounds will be transmitted, no sound insulation at all is provided. A rating of 100 means that all sounds are effectively muted, and no sound will be transmitted. STC ratings are calculated …Sound control solutions. Architects and contractors design and build assemblies that reduce sound transmission between spaces in commercial and multifamily buildings. Download the Acoustics Overview and sound assemblies to learn more.What are NR, NIC & STC? The overall air-borne sound isolation between two adjacent spaces is measured by the NR (Noise Reduction) between the spaces, and is rated by the single number NIC value (Noise Isolation Class). The test methodology is defined in ASTM E336, and the single-number rating is defined …Consider installing a whole-house audio system and the music in your home won't stop! Here's how to plan your setup. Expert Advice On Improving Your Home Videos Latest View All Gui...A single-number rating system used to express the . sound transmission loss properties of a wall or roof is the sound transmission class (STC). The higher the STC value, the better a construction reduces the transmission of sound. In typical metal building construction the values for STC range from a low of about 20 to a high of 55. The STC ...Glass doors can range from 28 to 60+ STC ratings, while steel and fiberglass doors range from 20 to 50. Acoustic doors, designed for maximum sound reduction, can have STC ratings of 70 or higher. Consider not only the STC rating but also door quality and construction. High-quality doors with high STC ratings …It’s important to note that the STC rating scale is a logarithmic progression where an increase of 3 points doubles the level of sound transmission reduction. STC Ratings Scale. 25-29 Normal conversation can be understood quite easily and distinctly. Doors and materials in this low STC range wouldn’t be categorized as acoustic …2. Cavity Absorption. Adding more insulation can have a profound effect on a wall assembly’s STC rating because it adds sound-absorbing material to the assembly. In the examples below (figures 6 and 7 in The SoundBook), going from an uninsulated wall to an insulated wall boosts the STC rating 8 points.The Sound Transmission Class is always reported as a whole number. STC is measured under laboratory conditions for a fully assembled partition. That means you won’t usually find STC ratings for individual components or products since STC is meant to be measured for fully constructed assemblies. The lowest STC numbers …Several factors can affect a material's STC rating, including its density, thickness, and how it's installed. Generally, materials like concrete and brick have high STC ratings, making them excellent for soundproofing. However, even a high-STC material can underperform if it's installed poorly, such as with gaps or cracks that allow sound to ...UBC requirements for floor/ceiling assemblies: STC ratings of 50 (if tested in a laboratory) or 45 (if tested in the field*). * The field test evaluates the dwelling's actual construction and includes all sound paths. An assembly rated at STC 50 will satisfy the building code requirement. However, as mentioned above, occupants could still be ...Feb 4, 2013 ... The STC rating is a singular number value, which along with Impact Noise rating, describes the overall acoustic performance of a ...For instance, a 25-gauge 3-5/8″ stud wall at 16″ on center achieves an STC of 44 (all ratings assume fiberglass batt). However, the same way wall with 20-gauge studs hits only an STC 40 – see figure below. The standard rule of thumb is that you will lose 3-4 STC points by moving from 25-gauge to 20-gauge studs, …The STC system provides a numerical rating for the air-borne sound TL of a given structure, measured at 16, individual 1/3 octave band frequencies. …When evaluating flooring underlayment, sound deadening and acoustical ratings are one of the things homeowners or HOA considers. It all begins with how sound is ...The key is to balance the sound difference between two adjoining areas. If the room that is producing the sound is at a decibel level of 80 db and the adjacent quiet room needs to be at 40 db, all you need is an STC rating of 40-50 to achieve a balance. This type of assembly is much easier and less expensive to …Sound Transmission Class (STC) is a standardized rating that measures the reduction in sound decibels (dB) transmitted through different wall or ceiling …For instance, a 25-gauge 3-5/8″ stud wall at 16″ on center achieves an STC of 44 (all ratings assume fiberglass batt). However, the same way wall with 20-gauge studs hits only an STC 40 – see figure below. The standard rule of thumb is that you will lose 3-4 STC points by moving from 25-gauge to 20-gauge studs, …The thicker, the better for both thermal and noise insulation. It has an STC rating between 44 and 68 depending on thickness and density. Acoustimac Acoustic Insulation ECO CELLULOSE comes in soft, yet rigid, 48″x24″x2″ sheets. With a density of 4 lb/ft³, it can be used in walls, ceilings or floors.When put inside a typical interior wall with ½” of drywall on either side, which has an STC rating of 34 on its own, adding rockwool insulation will increase that STC rating to 45, which is much higher than any of the alternatives out there (spray foam and fiberglass have a rating of 39). The STC Rating refers to the amount of noise that is ... Make sure that the sound remains at the same frequency, and stays in the same place. Simply subtract the second number from the first number to get transmission loss. Here’s a video describing the difference between 1/2″ and 5/8″ drywall. The different thickness of the drywall will certainly raise the STC rating of the drywall. The difference in the initial sound level to what was picked up by the receiver, measured in decibels, is the STC rating. For example, if a transmitter played a sound at 60 decibels and the receiver picked up 30 decibels, the STC rating would be 30. OITC: Similar to the test for STC, a sound source generates sounds at …The STC rating is concerned with the travel of sound or noise (sound above a certain threshold for which it is considered unwanted) through the air. The STC measures how well an assembly of materials absorbs the transmission of airborne sound/noise. Assemblies not only include interior partition walls, ceilings/floors, and exterior walls, but ...SOUND TRANSMISSION CLASS (STC) – A single-number rating for comparing sound attenuation of partitions, such as walls or floor-ceiling assemblies, tested per ASTM E90. The higher the STC value, the greater the attenuation of airborne sound provided by the partition.STC refers to Sound Transmission Class. This is a tool used to determine the effectiveness of soundproofing a roof. It’s an integer rating that tells us to what degree a building partition (such as a wall or ceiling) reduces the force of airborne sound. In sum, STC tells you how much a ceiling or wall might stop sound. STC …Sound Transmission Class (STC) is a standardized rating that measures the reduction in sound decibels (dB) transmitted through different wall or ceiling …The math works as follows: $25.14+$23.60=$48.74 for a 4×8 section of wall using double drywall vs. $60 to $110 for a layer of QuietRock. The sound transmission class ratings are compared in the table. For a 10ft by 10ft room, the costs for doubled 5/8” regular drywall and Green Glue would be $487.40.Generally, when measured in conjunction with double-pane windows, laminated glass window inserts have an STC rating of 48. Acrylic window inserts rate 42. That ...STC sound rating was introduced in 1961 as the method of comparing various wall, ceiling, floor, door and window assemblies. STC is calculated by taking the Transmission Loss (TL) values …May 2, 2022 · The International Building Code suggests a rating of 50 or more for IIC and STC, but allows 45 or more for FIIC or FIIC field tests. (IIC) Impact Insulation Class, (FIIC) Field Impact Insulation Class, (STC) Sound Transmission Class and (FSTC) Field Sound Transmission Class sound testing procedures are all included in the International Building ... Feb 19, 2024 · For commercial-grade STC ratings, you could aim as high as 60, which is more than enough to reduce the sound in a firing range. STC Ratings for Everyday Materials. Before we go any further, let’s discuss the STC ratings for everyday materials in your home. Walls. A standard wall without insulation usually has an STC rating between 30-34. The amount of sound isolation a wall assembly provides is typically measured as its Sound Transmission Class (STC) rating. 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. STC ratings …The Sound Transmission Class (STC) rating is a measure of how well a building partition (such as walls, windows, or doors) reduces the transmission of airborne sound. The higher the STC rating, the better the structure is at blocking sound. Imagine your house is like a superhero that can protect you from noise. The …Feb 12, 2024 ... STC ratings are the best way to determine your home's unique level of sound resistance, and the ratings are easier to identify than you might ...The Sound Transmission Class (STC) rating is a measure of how well a building partition (such as walls, windows, or doors) reduces the transmission of airborne sound. The higher the STC rating, the better the structure is at blocking sound. Imagine your house is like a superhero that can protect you from noise. The …Sound Transmission Class (STC) is a measure for rating the performance of a wall system as a barrier to airborne sound transmission between adjacent closed spaces such as offices. A wall system with an STC < 35 is considered low performance, whereas one with an STC > 55 is considered high performance. STC is the wall …Is your monitor suddenly not producing any sound? Don’t worry, you’re not alone. Many people have encountered this issue, but fortunately, there are some quick fixes you can try to...Sound Reduction Index (SRI) is defined in ISO-140 (2012). Sound Transmission Class (or STC) is an integer rating of how well a building partition attenuates airborne sound. In the USA, it is widely used to rate interior partitions, ceilings/floors, doors, windows and exterior wall configurations (see ASTM …A sound transmission class (STC) is calculated in decibels. The higher this index, the higher the level of perceived noise is attenuated. STC 35: A normal voice discussion is audible and intelligible. STC 40: A loud voice is audible but unintelligible. STC 45: A loud discussion is barely audible. STC 50: A loud voice is …• • • • •Sound transmission Coefficient (STC) rating. During general full scale wall testing, cellulose effectively reduces the airborne sound from room to ... Solutions for your toughest acoustical challenges. The SoundBook® is the industry’s leading resource for technical details and sound-rated assembly drawings – all in one place. The Sound Transmission Class is a single number rating of the effectiveness of a material or construction assembly to retard the transmission of airborne sound. The sound transmission loss between the source and receiving rooms are plotted on a graph by frequency and sound level in decibels. The STC curve is a sliding contour that is fitted to ...Low 1/4 profile allows use of the full range of flooring finish materials including hardwood, ceramic tile, and marble with smooth transitions between surfaces. Elevated on small nodes so less than 5% of surface area makes direct contact with the subfloor. Increases STC rating by 4-7 points and IIC rating by 8-13 points. Sound Transmission Class (STC) is an integer rating of how effectively an interior building element attenuates, or reduces, airborne noise from one side to the other. This is used to rate various interior elements such as walls, floors, ceilings, doors, and windows. 2. Cavity Absorption. Adding more insulation can have a profound effect on a wall assembly’s STC rating because it adds sound-absorbing material to the assembly. In the examples below (figures 6 and 7 in The SoundBook), going from an uninsulated wall to an insulated wall boosts the STC rating 8 points. Class (STC). STC is a method of rating airborne sound transmission performance of a wall or fl oor assembly. It is intended as a quick screening tool to compare different wall or fl oor assemblies. STC ratings are determined in a laboratory under controlled conditions. Even then, differences of 1-2 points STC can occur for the same assembly in ... This part previously referenced Sound Transmission Class (STC) ratings as a measure of sound insulation. The STC rating has been replaced by R w and R w + C tr . A note contained in Schedule 4 under AS/NZS ISO 717.1 states that materials tested in accordance with the previous Standard AS 1276 – 1979 must be considered equivalent to R w values. Classification / STC / FSTC Minimum code / 50 / 45 Minimum quality / 55 / 50 Medium quality / 60 / 55 High quality / 65 / 60 STC Ratings In the soundproofing industry, the ability of a barrier such as a wall or a door to reduce sound volume from one side of the barrier to the other is measured by a standard called STC, which stands for sound ... This part previously referenced Sound Transmission Class (STC) ratings as a measure of sound insulation. The STC rating has been replaced by R w and R w + C tr . A note contained in Schedule 4 under AS/NZS ISO 717.1 states that materials tested in accordance with the previous Standard AS 1276 – 1979 must be considered equivalent to R w values.While originally developed for speech privacy, sound transmission class (STC) ratings have become a standard of design for spaces where …The amount of sound isolation a wall assembly provides is typically measured as its Sound Transmission Class (STC) rating. 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. STC ratings …Mar 22, 2022 · Simply put, STC ratings measure sound level on one side of a wall, versus the other side of a wall. However, architectural acoustics can often become a bewildering array of alphabet soups (STC, OITC, and IIC, to name a few!), and even acoustically experienced architects and designers can be left scratching their heads. Reported STC values are found by doing transmission loss tests on a fully built assemblies in a lab. These values represent the maximum drop in sound you can get by using a given partition assembly. The following chart gives some qualitative intuition for what you can expect from different STC ratings. STC. What can be …2. Cavity Absorption. Adding more insulation can have a profound effect on a wall assembly’s STC rating because it adds sound-absorbing material to the assembly. In the examples below (figures 6 and 7 in The SoundBook), going from an uninsulated wall to an insulated wall boosts the STC rating 8 points.Jun 16, 2023 · The STC rating measures sound resistance through a material, on a scale from 0 to 100. A rating of 0 on glass means that all sounds will be transmitted, no sound insulation at all is provided. A rating of 100 means that all sounds are effectively muted, and no sound will be transmitted. STC ratings are calculated by measuring the sound level in ... What is STC? Let’s start first with what exactly STC is. Sound Transmission Class is an integer rating based on how well a partition (such as a door or wall) reduces sound. STC is calculated by taking the Transmission Loss (TL) values tested at 16 standard frequencies divided by the range of 125 Hz to 4000 Hz and then plotted on a graph.Sound Transmission Class (STC) is a single-number rating system that assigns a value to a product to indicate how well that product insulates against unwanted noise within the frequency range of speech (125-4000 Hz). As applied to storm doors, the STC rating measures how much sound is lost from one side of the glass used in a fullview glass ...Feb 4, 2013 ... The STC rating is a singular number value, which along with Impact Noise rating, describes the overall acoustic performance of a ...IsoDoor HD/HD LF. Most often used in home theaters, recording studios, and other areas to maintain high STC and OITC ratings. This recording studio door is 2-1/2″ thick, weighs 340 pounds (17 pounds per square foot) at a standard size of 36" x 80", and is our highest performing door for walls up to STC 62.Acoustically-rated doors carry two STC (Sound Transmission Class) ratings, one of which is a “sealed in place” rating, and the other is an “operable” rating. Manufacturers may test acoustically-doors while they’re sealed in place with putty, or in a realistic, operational setting. Masonite Architectural tests all of its doors in ...Realtek Audio drivers are mainstays for managing audio in Windows. If your driver is experiencing a glitch, it’s easy to download and reinstall the driver. In many cases, you can d...STC rating information and associated notes are based on Tables 9.10.3.1.-A and -B of the 2015 National Building Code of Canada. 2 CWC’s FRR & STC Tool allows a user to determine simply and quickly the fire-resistance rating for all combinations of lightweight wood-frame wall, floor and roof assemblies that are permitted to be …Approximate Sound Rating Assembly Type; MAT TOPPING MINIMUM TOTAL SYSTEM HEIGHT IIC STC TYPICAL CODE PERFORMANCE WOOD CONCRETE STEEL DECK EXPOSED CEILING; Acousti-Mat 1/8: 3/4" 1" 50-53: 57-59: ... An IIC and STC rating will generally be 5 points higher than a F-IIC and F-STC rating. …YouTube is an online video streaming website that, at the time of publishing, does not allow you to download audio from video separately. Many YouTube downloader websites allow you...The STC rating is concerned with the travel of sound or noise (sound above a certain threshold for which it is considered unwanted) through the air. The STC measures how well an assembly of materials absorbs the transmission of airborne sound/noise. Assemblies not only include interior partition walls, ceilings/floors, and exterior walls, but ...The Sound Transmission Class is a single number rating of the effectiveness of a material or construction assembly to retard the transmission of airborne sound. The sound transmission loss between the source and receiving rooms are plotted on a graph by frequency and sound level in decibels. The STC curve is a sliding contour that is fitted to ...Intensity of a sound is a measure of the power of its waves. Learn more about sound and the definition of sound at HowstuffWorks. Advertisement Sound. When a drum is struck, the dr...Learn about Sound Transmission Class (STC) and STC Rated Glass Wall Systems with NanaWall sound-rated product solutions for interiors. How to Improve STC Ratings in Your Wall. STC (Sound Transmission Classification) Overview. STC Ratings for Load-Bearing Walls. Common STC Ratings. International Building Code requires 50 STC between adjacent dwelling units. Although that’ll help you meet code, it doesn’t mean it’s sufficient to block out the noise tenants expect. The Sound Transmission Class (STC) is a single-number rating of a material's or an assembly's ability to resist airborne sound transfer at the frequencies 125-4000 Hz. In general, a higher STC rating blocks more noise from transmitting through a partition. STC is highly dependant on the construction of the partition. With Science Projects for Kids: Producing Sounds you'll discover why and how sound happens. Join us and have lots of fun while you're learning. Advertisement Science Projects for K...Composite interior door surfaces may be flat or embossed. An embossed composite door will seamlessly replace a six-panel hollow-core door while giving a Sound Transmission Class (STC) rating of between 27 and 30. An STC class of 30 is one where a conversation of a normal volume can be heard and understood.The sone rating of a device, such as a range hood, is a subjective measure of the loudness of the sound it produces. The sone scale uses a group of listeners’ perceived loudness of... “An STC rating roughly equals the decibel (dB) reduction in noise volume a wall or partition can provide. For example, if an 80 dB sound on one side of a wall/floor/ceiling is reduced to 50 dB on the other side, that partition is said to have an STC of 30” Source : Minnesota Sustainable Housing Initiative Feb 12, 2024 ... STC ratings are the best way to determine your home's unique level of sound resistance, and the ratings are easier to identify than you might ...Sound Transmission Class (STC) is a measure for rating the performance of a wall system as a barrier to airborne sound transmission between adjacent closed spaces such as offices. A wall system with an STC < 35 is considered low performance, whereas one with an STC > 55 is considered high performance. STC is the wall … FRR & STC Tool. Welcome to CWC’s online tool for fire-resistance rating (FRR) and associated sound transmission class (STC) values. This tool was developed by CWC to assist designers in the development of generic FRR designs of lightweight wood-frame wall, floor, and roof assemblies using the Component Additive Method (CAM), 1 which is ... UBC requirements for floor/ceiling assemblies: STC ratings of 50 (if tested in a laboratory) or 45 (if tested in the field*). * The field test evaluates the dwelling's actual construction and includes all sound paths. An assembly rated at STC 50 will satisfy the building code requirement. However, as mentioned above, occupants could … The STC rating accounts for airborne sound measured between 125 Hz to 4000 Hz. If you’re wondering “What is Sound Transmission Class?”, it’s a measure of how well a material, wall, or ceiling can reduce airborne sound transmission through it. Essentially, a higher STC rating means that there will be less sound transmission through a ... What Each STC Rating Sounds Like – An STC Rating Chart: STC 25: Soft Speech Clearly Understood; STC 30: Loud Speech Understood; STC 35: Loud Speech Audible, Not …The commonly accepted STC rating for an effective sound barrier is typically between 45 and 55. Measuring Sound Reduction. To determine the STC value, Transmission Loss …STC refers to Sound Transmission Class. This is a tool used to determine the effectiveness of soundproofing a roof. It’s an integer rating that tells us to what degree a building partition (such as a wall or ceiling) reduces the force of airborne sound. In sum, STC tells you how much a ceiling or wall might stop sound. STC … Solutions for your toughest acoustical challenges. The SoundBook® is the industry’s leading resource for technical details and sound-rated assembly drawings – all in one place.

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stc sound rating

STC window rating depends upon several factors – glass thickness, laminated glass, the airspace between panes, and how and what the frame is constructed of. A rating of 40 is the minimum for conversation privacy, and many building codes now require a rating of 50 to 55. A window with a rating of 40 …Is your monitor suddenly not producing any sound? Don’t worry, you’re not alone. Many people have encountered this issue, but fortunately, there are some quick fixes you can try to...Spotify is shutting down its live-audio app Spotify Live, a spokesperson for the company confirmed to TechCrunch on Monday. Spotify is shutting down its live-audio app Spotify Live...That floor/ceiling assembly has a two-hour fire rating and, at only 13 pounds per square foot, allows you to build higher with load-bearing cold-formed steel. ... In a typical floor/ceiling assembly, the code minimum for sound transmission class (STC) is easy to achieve. “The best way to dampen airborne sound, or STC, is mass, and the best ...Insulation will noticeably improve the STC rating of an assembly. 2. Staggered or double stud walls are higher rated than single stud walls. 3. Metal stud walls perform better than wood stud walls. 4. Resilient channel can improve the STC rating of an assembly. 5. Adding additional layers of drywall can improve the STC rating of an …Higher STC ratings generally are better. However, don’t forget that STC ratings only take into account sounds over 125Hz. This means that extremely low frequencies don’t register on the STC rating scale, thus when a sound on one side of a wall is below 125Hz, the ability of the wall to block sound cannot be calculated. STC is … How to Improve STC Ratings in Your Wall. STC (Sound Transmission Classification) Overview. STC Ratings for Load-Bearing Walls. Common STC Ratings. International Building Code requires 50 STC between adjacent dwelling units. Although that’ll help you meet code, it doesn’t mean it’s sufficient to block out the noise tenants expect. Last Updated January 12, 2021. Sound Transmission Class or STC is the rating system by which the ability of a partition to attenuate, (reduce the effect of) …For instance, if a sound in a room is 60dB and that same sound in the next room is 20db, then the wall between the rooms has an STC rating of 40. Sound Transmission Class (STC) Most building codes require walls between dwelling units to have an STC rating of 50.Figure 1: The sound transmission class (STC) rating quantifies the sound transmitted directly via the separating wall assembly, as shown on the left. The apparent sound transmission class (ASTC) rating quantifies the sound transmitted directly through the separating wall assembly as well as indirectly via …A sound transmission class (STC) is calculated in decibels. The higher this index, the higher the level of perceived noise is attenuated. STC 35: A normal voice discussion is audible and intelligible. STC 40: A loud voice is audible but unintelligible. STC 45: A loud discussion is barely audible. STC 50: A loud voice is …Sound Transmission Class (STC) is an integer rating of how effectively an interior building element attenuates, or reduces, airborne noise from one side to the other. This is used to rate various interior elements …TV sounds, conversations, or the sound of a coffee machine are examples of airborne sounds. STC Rating. Soundproof underlays always display those 3 letters: STC. It stands for Sound Transmission Class. STC rating is a standard measurement determined in labs. It assesses how much a material can reduce airborne noise.UBC requirements for floor/ceiling assemblies: STC ratings of 50 (if tested in a laboratory) or 45 (if tested in the field*). * The field test evaluates the dwelling's actual construction and includes all sound paths. An assembly rated at STC 50 will satisfy the building code requirement. However, as mentioned above, occupants could still be ...Feb 18, 2020 ... The STC rating is concerned with the travel of sound or noise (sound above a certain threshold for which it is considered unwanted) through the ...STC Ratings. A door’s Sound Transmission Class (STC) rating specifies how much sound is prevented from passing through the door. The higher the STC rating, the more sound resistant the door. STC What can be heard; 25: Normal speech can be understood easily and distinctly: 30:For instance, a 25-gauge 3-5/8″ stud wall at 16″ on center achieves an STC of 44 (all ratings assume fiberglass batt). However, the same way wall with 20-gauge studs hits only an STC 40 – see figure below. The standard rule of thumb is that you will lose 3-4 STC points by moving from 25-gauge to 20-gauge studs, ….

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