Thermal insulation stc rating chart Insulation Type STC. … One single number rating method which has been recently proposed is the sound transmission class (STC). Foil-faced Thermal Batt Insulation complies with ASTM C 665, Type III, Class B and C. However, mold can Sound Transmission Class (STC) Ratings. However, mold can The acoustical performance of a wall assembly is measured using a single number rating system, where the higher the number the better the performance. STC is a method of rating airborne sound transmission performance of a wall or fl oor assembly. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. Visit our website atwww. Uninsulated ductwork exhibits poor sound dampening and acoustic (5 or 6 points) in laboratory STC ratings for essentially similar assemblies. National Fenestration Rating Council. www. In the U. Find resources and details for UL rated wall systems with the required STC and fire ratings for your project. 6,578,782 EPA Reg. The tables below show STC ratings of the same wall assemblies with either fiber glass or rockwool filling the cavity. 33. 8. g. 00 10 (with NRC, higher is better). Fiberglass R-15 Unfaced. Owens Corning ™ Fiberglas Light Density Building Insulation Products: • PINK Fiberglas™ Thermal Batts & Rolls Insulation • PROPINK Fastbatt® Insulation The diagrams and STC ratings listed below are intended to serve as a guide. Refer to CertainTeed’s Sound Control Brochure (30-29-121). nfrc. Owens Corning™ EcoTouch® Insulation with PureFiber® Technology is fl exible light density insulation with a variety of facings and uses for thermal and acoustic benefi t. Use this STC rating chart as a rough guide to the different STC ratings for soundproofing materials: 25: There is no functional soundproofing, and quiet conversations can easily be overheard; 30: Quiet speech is muffled, but conversations at normal volumes are audible; 35: Loud speech is clearly audible acoustical/thermal insulation can improve STC ratings in wood stud construction by 3 to 5 points and metal stud construction by 8 to 10 points depending upon the complexity of the wall configurations, R-values and layers of insulation. However, mold can Thermal conductivity - “k”3 (Btu x in/hr x ft2 x °F) @ 75°F mean temperature @ 40°F mean temperature ASTM C 518 0. mineral wool) blown-in cellulose and fiberglass batt. (with ½" gypsum wallboard both sides) (with 5⁄ 8" Type X gypsum wallboard both sides) Single studs/Single layer gypsum 38 35 38 34 Single studs/Resilient channel 47 39 50 40 Staggered studs/Single layer gypsum 49 39 51* 43 What is STC? STC ratings measure sound level on one side of a building’s surface (wall, ceiling, window, etc. Construction practices have an influence on field STC ratings. , it is widely used to rate interior partitions, ceilings, floors, doors, windows and exterior wall configurations. Thermafiber® SAFB™ (Sound Attenuation Fire Blankets) are mineral wool batts that provide sound control and fire protection in wall and floor-ceiling assemblies The insulation must be used in areas where the maximum service temperature is no greater than 180°F (82°C). Sound Transmission Loss The same STC ratings obtained with fiber glass blanket insulation can be estimated for InsulSafe SP in BIBS application. Request CertainTeed’s Sound Control Guide (30-29-121) for more information on the Johns Manville FSK-25 faced insulation is a lightweight flame-resistant thermal and acoustical fiber glass insulation made of long, resilient glass fibers bonded with a thermosetting resin. 85” GAF" Polyisocyanurate 2. org. 18 Thermal Resistance - “R”, minimum (°F x ft2 x h/btu) @ 75°F mean temperature @ 40°F mean temperature ASTM C 518 5. Knauf acoustical/thermal insulation can improve STC ratings in wood stud construction by 3 to 5 points depending upon the complexity of the wall configurations, STC RATINGS With insulation No insulation With insulation No insulation Wood Frame, 2 x 4 (3½" – 4" Batt), 16" O. Aug 18, 2022 · As you can see from the chart above, neither insulation has a significant impact on the STC rating of a 2x4 partition wall. MinWool SAFB Insulation is designed STC rating. 8 per inch) Adds STC value to wall and fl oor-ceiling assemblies Provides life saving fi re protection in rated assemblies Fire resistant to temperatures above 2,000°F (1,093°C) Conserves energy, reduces Greenhouse gas and carbon E413-87 in an acoustical wall. Wall Assembly Acoustical Testing Results. The higher the STC rating, the better the building reduces sound transmission. Acoustics can be measured by Sound Transmission Class and the rating determines what others can hear on the other side of the wall. ; fiberglass and uninsulated wall STC ratings from Owens-Corning, fiNoise Control Design Guide. 5½ " thick R-21 EcoTouch® insulation delivers 19% more R-value than compressed 6¼ " R-19 Fiberglas ™ insulation. Of course, the higher the STC rating, the better. Federal Insulation Thermal Batt Insulation Specification HH-I-521F has been canceled and is replaced by Thermal resistance is based on thickness of insulation installed, values are noted in Application chart from the product data sheet. (with ½" gypsum wallboard both sides) (with 5⁄ 8" Type X gypsum wallboard both sides) Single studs/Single layer gypsum 38 35 38 34 Single studs/Resilient channel 47 39 50 40 Staggered studs/Single layer gypsum 49 39 51* 43 Jun 16, 2023 · Learn about glass sound insulation, the importance of Sound Transmission Class (STC) ratings, and how higher STC ratings help reduce sound transmission. jm. To provide ideal acoustics in an area, you need the right insulation for sound control. HVAC equipment insulation is CE marked to BS EN 14303 for application temperatures up to 230ºC. Technical Information • The kraft facing on this insulation will burn and must BCA. • Acoustical Performance: – ASTM E90 and E413 The same STC ratings obtained with fiber glass blanket insulation can be estimated to be achieved by InsulSafe SP. Metal Building Insulation helps reduce building energy demand while improving thermal comfort A single number rating is used to measure a structure’s ability to impede sound transfer. EXPERTISE AND SUPPORT JM TechConnect. 4 mm thick HUSH II – 170VS • LVT/LVP Underlayment • IIC Rating: 51 • STC Rating: 56 • Decreases step sound in rooms • Suitable over concrete and wood subfloors rock, with a thermosetting resin binder. 34 25 Mineral Wool R-15. RAL-TL90-195 Insulation Included: ROCKWOOL AFB STC 46 Assembly Components Finish material 5 Sound Transmission Loss Ratings: – Adding OPTIMA loose-fi ll fi ber glass insulation to your assembly can increase the STC rating by 4-10 points. Transmission Class (STC) ratings demonstrate its effectiveness in attenuating noise. Technical Information • The kraft facing on this insulation will burn and must COMPREHENSIVE INSULATION . fl] Specifications Naturally better insulation. ProPink® Wall Insulation System: Glass fiber blown loosefill thermal insulation installed in wall or ceiling EcoRoll insulation provides excellent acoustical properties and will reduce sound transmission when properly installed in partition walls and acoustical ceiling and floor systems. The intent is to categorize the relative performance of an assembly in impeding or attenuating sound energy as it passes through the […] Cellulose insulated wall: 44 STC Fiberglass insulated wall: 39 STC Uninsulated wall: 35 STC [Cellulose wall rating from the Cellulose In-sulation Mfrs. 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 Burning Characteristics of Building Materials and Assemblies placed on each side of a concrete or concrete masonry unit walls (party walls, stairwells, service rooms, etc. k. It is intended as a quick screening tool to compare different wall or fl oor assemblies. Rev 1/2018-5 Page 2 of 3 ASTM E84 STC 35 NRC. Used in conjunction with the appropriate joint closure system for the application, Thermax™ Sheathing – with its low perm rating – can help to reduce moisture condensation within and behind the insulation. is the single source for JM customers to . This rating system is called STC, sound transmission classification. 4 dB Assembly Components Membrane: Insulation: Insulation Deck: 0. Cellulose installed in a 2 x 6 wall cavity will add approximately 14dB to the STCrating. Sound Transmission Class (STC) is a single number rating used to compare various partitions or assemblies for their ability to reduce the amount of sound traveling through the assembly. 2. International Cellulose Corporation cannot guarantee actual STC ratings. Class (STC) ratings demonstrate its effectiveness in attenuating noise. • Cellulose insulation outperforms all other insulation systems for sound attenuation. Higher STC ratings indicate better performing sound insulation. What is STC? The Sound Transmission Class (STC) is a single-number rating of an assembly’s ability to resist airborne sound transfer at the frequencies 125-4000 Hz. The first row lists the improvement in STC rating with insulation as compared to an uninsulated wall. 3 Classic Plus: The insulation may be used in areas significantly improve an IIC rating. Outdoor-Indoor Transmission Class Foam board insulation can be used in a variety of home & building applications. • Installing cellulose insulation within a 2 x 4 wall cavity will improve the STCrating, by approximately 8 dB, which is clearly noticeable. Comfortboard ® 80 Exterior Continuous Insulation Issued 11-2024 R-21 EcoTouch ® insulation is designed to eliminate R-value loss caused by compressing standard R-19 Fiberglas™ insulation into 2x6 exterior walls. The U. 4 Compressive Strength, minimum (lb/in2)4 ASTM D 1621 25. ) versus the other side of a building’s surface. Spray foam insulation and cellulose insulation – Achieve an NRC of . Thermal conductivity - “k”3 (Btu x in/hr x ft2 x °F) @ 75°F mean temperature @ 40°F mean temperature ASTM C 518 0. Jul 21, 2000 · Celbar provides superior sound transfer control demanded by building designers, owners, and occupants. 5” AcousticsAcoustics Assembly Number: ISS-11 STC: 46Report No. 33 25 Closed Cell Foam - Full thicknesses of insulation published by TIMSA (Thermal Insulation Manufacturers & Suppliers Association ) as part of its guidance for achieving compliance with Part L of the building regulations. Tested at 4 inch thickness The STC rating indicates how well a wall assembly blocks airborne sound. S. SM . In the following 13 commercial wall systems, ROCKWOOL AFB® delivers Knauf acoustical/thermal insulation can improve STC ratings in wood stud construction by 3 to 5 points and metal stud construction by 8 to 10 points depending upon the complexity of the wall configurations, R-values and layers of insulation. 77” GAF" Polyisocyanurate 1. 1-2007 a whole project simulation model, with points awarded per energy cost savings in LEED table. 6 ‘Sound insulation’ in Volume Two for Class 1 buildings. FIBERGLASS AND MOLD Fiberglass insulation will not sustain mold growth. 32” oc – STC 38 24” oc – STC 36 16” oc – STC 32 12” oc – STC 32 60 50 40 30 20 10 0 63 125 250 500 1000 2000 4000 TRANSMISSION LOSS (dB) FREQUENCY (Hz) 16 ga – STC 38 25 ga – STC 43 20 ga – STC 38 JM ACOUSTICAL INSULATION PRODUCTS Sound & Fire Block® Mineral Wool: Mineral wool is the clear choice if you need fire protection. Quality Assurance CertainTeed’s commitment to quality and environmental management has ensured the registration of the Athens, Spray foam insulation – Achieves an STC of 37-39. Knauf acoustical/thermal insulation can improve STC ratings in wood stud construction by 3 to 5 points and metal stud construction by 8 to 10 points depending upon the complexity of the wall configurations, R-values and layers of insulation. The higher the STC value, the better a construction reduces the transmission of sound. , r-30, r-38). In a With GreenFiber Insulation The three most important ratings used in building assembly testing are: † STC (Sound Transmission Class) – used to rate air transported sound transmission between two areas separated by an interior wall or in comparing the sound transmission ratings of building assemblies using different materials: This chart summarizes various characteristics of five most common house insulation materials: closed cell spray foam, open cell spray foam, rock wool (a. #89140-1 PCI2020 022420 (Repl. Below the chart we provide additional brief description of each material type. Check out the below chart to discover how combinations of drywall layers, framing and type of insulation compare for STC (Sound Transmission Class) ratings. The higher the STC number, the greater the reduction in sound. Get the details needed to use FOAMULAR® NGX® 250 XPS for your next project. What is R-value? We will look into what does R-value means, how it is calculated, what are the minimum recommended values of R for attics, 2×4 and 2×6 walls, and so on (you will find a complete insulation R-value chart further on), and what it’s so important to pick building materials with high R-values. Department of Housing and Urban Development (HUD) provides information on housing policies, programs, and resources. An STC rating measures how much noise is stopped by something. STC Rating Chart. STC (Sound Transmission Class) ratings represent the ability of an assembly to reduce sound decibel levels transferred through walls, ceilings and Unfaced Thermal Batt Insulation complies with the property requirements of ASTM C 665, Type I and ASTM E 136. Owens Corning™ Fiberglas™ Insulation contributes to the categories listed below. STC RATINGS With insulation No insulation With insulation No insulation Wood Frame, 2 x 4 (3½" – 4" Batt), 16" O. In general, a higher STC rating blocks more noise from transmitting through a partition. Connect with us at Sound transmission class (STC) is a single number rating of sound isolation of a building wall assembly. A non-structural sheathing product, Comfortboard® 80 provides increased thermal performance to the building envelope. R-21 EcoTouch ® insulation is designed to eliminate R-value loss caused by compressing standard R-19 Fiberglas™ insulation into 2x6 exterior walls. STC: 45 Report No. Fiber glass Fire Rating: 1 hour Sound Transmission Class (STC): 52 Interior Ceilings/Floors (2 x 10 Joists – 16” On Centre) 6" Safe'n'Sound®, 5/8” drywall (type x) and resilient channels at 24” provides: Fire Rating: 30 minutes Sound Transmission Class (STC): 50 Interior walls between rooms Ceilings between fl oors Maximize the peace & quiet STC Ratings with insulation without insulation with insulation without insulation; Wood Frame 2 x 4 (3½"– 4" Batt), 16" O. 34. The batts are laminated with an FSK (foil-scrim-kraft) facing, which enables the insulation to carry a fire hazard classification rating of 25/50 or less as exterior continuous insulation and also installed exposed to the interior without a thermal barrier. The following examples of different steel stud wall systems demonstrate improved STC values by the inclusion of Johns Manville sound control insulation between metal studs, 24" (610 mm) on center. Board Insulation 07210* Board Insulation 07 21 13** ROCKWOOL Comfortboard® 80 is a rigid stone wool board designed for continuous insulation applications. STC Rating 50: STC Rating 53 Thermal Properties: INSULATION VALUE: CONSTRUCTION "U" VALUE "R" VALUE: Foam in CMU Cores Commercial Thermal Solutions, Inc. The STC rating has been in existence for many years and is based on speech sounds. tions, R-values and layers of insulation. 25 . ' 2001 Applegate Insulation. Unfaced Thermal Batt Insulation complies with ASTM C 665, Type I and ASTM E 136. Typically, a 2 x 4 wall with drywall on both sides has an STC value of 34. *OITC is estimated based on this test. 7 dB by ROCKWOOL Insulation. Below are the STC ratings of various wall assemblies, each presented to help illustrate concepts, improvements and rules of thumb. The following table illustrates the improved STC Ratings using Knauf QuietTherm acoustical/thermal insulation compared to no insulation. Fiberglass R-13 Unfaced. (with ½" gypsum wallboard both sides) (with ⅝" gypsum wallboard both sides) Single studs/Single layer gypsum: 38: 35: 38: 34: Single studs/Resilient channel: 47: 39: 50: 40: Staggered studs/Single layer gypsum: 49: Knauf acoustical/thermal insulation can improve STC ratings in wood stud construction by 3 to 5 points and metal stud construction by 8 to 10 points depending upon the complexity of the wall configurations, R-values and layers of insulation. BASIC USE: STC RATINGS With insulation No insulation With insulation No insulation Wood Frame, 2 x 4 (3½" – 4" Batt), 16" O. Count on JM to consistently deliver reliable, high-quality mineral wool insulation products that surpass expectations and support occupant comfort and well-being. • Part 2. Similar to STC, the higher the OITC value, the better the wall assembly is at reducing sound transmission. All Rights Wall Assemblies with thermal batts provide Acoustic Ratings (STC) that are very similar to ratings of Wall Assemblies with Acoustic Batts. It will not develop smoke or promote flame spread, even when directly exposed to fire, as most other insulation materials will. 2. In typical metal building construction the values for STC range from a low of about 20 to a high of 55. 4. The standard requires a minimum laboratory STC rating of 50 for party walls and floor/ceilings. 75. Flanking sound patterns, the integrity of the wall, and the floor and ceiling construction are important factors in effective sound Jul 1, 2024 · Structural fireproofing and Monoglass thermal/acoustic insulation combine to achieve required fire ratings, thermal values and acoustic properties on steel or concrete structures. • The tables show STC ratings of the same wall assemblies with either fiberglass or rockwool filling the cavity. When checking insulation specs sheets, R-value comes up quite often. (with ½" gypsum wallboard both sides) (with 5⁄ 8" Type X gypsum wallboard both sides) Single studs/Single layer gypsum 38 35 38 34 Single studs/Resilient channel 47 39 50 40 Staggered studs/Single layer gypsum 49 39 51* 43 Acoustic and Thermal Performance STC: 26 OITC: 21 RValue: 23 Rainfall: 54. Floor/Ceiling System Constructions for Sound Control *Indicates that the value is an estimate. Filling the stud cavities with fiberglass raises the STC rating to 39. 4 ‘Health and amenity’ in Volume Two for Class 1 buildings. Sound Transmission Class (or STC) is an integer rating of how well a building partition attenuates airborne sound. Shop for Performance. Don’t forget the ducts. ft per roll • 1. 0 Flexural Strength (lb/in2 min)5 Apr 7, 2017 · STC What can be heard; 0: No insulation barrier: 36: Blown-in fiberglass insulation: 36: Batts of fiberglass insulation: 41: Closed cell spray foam insulation: 45: Blue jean denim insulation: 50: Rock wool batt insulation: 50: Open cell spray foam insulation According to the Insulation Institute, noise has been identified as causing physical and psychological stress on occupants. To determine this, there are a few things you need to know about sound transmission — STC and NRC ratings. Therma-Tru STC-rated Noise Reduction doors deliver aesthetics with a commercial level of performance for residential projects. com Or call:1-800-654-3103 Wood Fr aming STC and IIC Values Sound Control STC 51, IIC 78 (STC 52, IIC 49, with vinyl floor in place of carpet and pad) 2" x 8" (51 mm x 203 mm) wood joists: 1/ Improve building performance rating compared with the baseline building performance rating, calculated per Appendix G of ANSI/ASHRAE/IESNA Standard 90. Cellulose Insulated Wall: 44 STC Fiberglass Insulated Wall: 39 STC Uninsulated Wall: 35 STC US Patent No. Our wall assembly was Mar 30, 2023 · Filling that gap with STC rated insulation, like CFAB Cellulose-Based Acoustical & Thermal Panels will increase the STC rating even more. May 13, 2024 · Here are some commonly-used soundproof insulation materials and their associated STC ratings: Sound Proof Fiberglass Insulation: STC rating ranges from 20 to 35, depending on the thickness and density of the material. ). RAL-TL90-192 Insulation Included: ROCKWOOL AFB STC 46 Assembly Components Finish material 1/2” gypsum Size 3 5/8” Steel Stud Spacing 24” oc Product AFB Thickness 1. They provide exceptional thermal and acoustical performance, and help to delay the spread of fire. Fiberglass Batt (Blanket Insulation) Generally used with layer thicknesses meeting r-value insulation chart targets (e. Kraft-faced Thermal Batt Insulation complies with ASTM C 665, Type II, Class C. 0 Flexural Strength (lb/in2 min)5 Apr 7, 2017 · STC What can be heard; 0: No insulation barrier: 36: Blown-in fiberglass insulation: 36: Batts of fiberglass insulation: 41: Closed cell spray foam insulation: 45: Blue jean denim insulation: 50: Rock wool batt insulation: 50: Open cell spray foam insulation When checking insulation specs sheets, R-value comes up quite often. RAL-TL90-195 Insulation Included: ROCKWOOL AFB STC 46 Assembly Components Finish material 5 is the sound transmission class (STC). • Part 3. BS5422:2009 An explanatory note. The higher the STC rating, the more effectively a wall, floor, or ceiling controls sound transmission. 51” Fabral 22ga. 8; Sound insulation and sound absorption. Ease of Installation In fact, on the authority of the Insulation Institute, fiberglass insulation in interior walls and floors/ceilings can improve sound reduction. Thermal Resistance Thermal resistance (R-value) of the blanket insulation only is certified to be as repre- Mineral Wool STC S A CT SAT Mineral Wool STC Typical Sound Barrier Assemblies STC 42: Single layer of ½” (13 mm) gypsum drywall on each side of 2 ½” (64 mm) steel stud with 2” (51 mm) MinWool SAFB STC 43: Single layer of 5⁄8”(16 mm) gypsum drywall on each side of 2 ½” (64 mm) steel stud with 2” (51 mm) MinWool SAFB (except thermal performance and marking) of CAN/ULC-S702-97, Standard For Mineral Fibre Thermal Insulation For Buildings,Type 1 (issued September 1997 and supersedes CSA A101-M1983), properties. 4917) PEST CONTROL INSULATION, LLC 5285 Mountain Center Oct 10, 2024 · STC RATING CHART: STC: What can be heard at this level: 25: Soft speech can heard and understood: 30: Normal speech can heard and understood: 35: Loud speech can heard and understood: 40: Loud speech can heard, but not understood: 45: The threshold at which privacy begins: 50: Loud sound can be heard, but are very faint: 60+ At this level, good being considered in assessing compliance with the LEED Rating System within a given category and credit. C. However, Commercial Thermal Solutions, Inc. Feb 18, 2022 · STC Rating of Fiberglass vs Rockwool (Which one insulates the best) Note: Here I will be going over which type of insulation material works best when put inside a typical interior wall with ½” of drywall on either side, which has an STC rating of 34 on its own, and how it increases this rating. , Type B, Steel Acoustic and Thermal Performance STC: 29 OITC: 23 RValue: 23 Rainfall: 55. Noises can be heard through a wall with an STC rating of 30 but should be much less audible through a wall with a rating of 60. However, mold can Thermal / Acoustical Properties • Thermal Performance: – ASTM C518 and C687 Stated R-Value achieved at minimum thickness and minimum weights as stated within coverage chart(s). Additionally, Celbar assemblies tend to perform closer to lab-tested STC ratings in the field over alternative insulation systems due to the complete coverage and sealing action of Celbar. a. 0 5. We can help you quickly solve even the most complex insulation challenges. Glass size and glazing system will affect STC rating. Adding treatments inside the room will help stop noise volumes inside the room from increasing too much, but making meaningful changes to your STC rating generally involves making some structural changes. being considered in assessing compliance with the LEED Rating System within a given category and credit. 05” Sarnafill" Sikaplan 1. STC ratings are determined in a laboratory under controlled conditions. This rating is based on the requirements that the value of transmission loss at any of the eleven measuring frequencies does not fall below a specified TL-frequency contour. STC is widely used to rate interior partitions, ceilings/floors, doors, and windows. APPROVALS Monoglass has undergone numerous tests over the past 35 years and meets the following standards for Non-Combustibility: DOE Guide to Insulation and DOE Guide to Air Sealing. Fiber glass insulation and mineral wool insulation – Noise Reduction Coefficient (NRC) of up to 1. Cellulose insulated wall: 44 STC Fiberglass insulated wall: 39 STC Uninsulated wall: 35 STC applegateinsulation For every house is builded by some man; but he that built all things is God. K-13’s monolithic coating absorbs excess noise and provides an R-value of 3. This is usu- ally because there is a pronounced dip in the test curve and the STC rating is heavily influenced by a measurement in one fre- quency band. Spray foam doesn’t have enough mass to improve transmission loss, and because the foam secures wall components together instead of decoupling them, vibrations from impacts can more easily move through the wall. 70 Conforms to the requirements of ASTM E84 and is classified as a class 2 (B) material. OITC. flow — insulation's thermal resistance Jul 24, 2023 · Each one-point increase in an STC rating represents a one-decibel noise reduction. 1Higher R-values mean greater insulating power. RAL-TL90-195 Insulation Included: ROCKWOOL AFB STC 46 Assembly Components Finish material 5 Jun 4, 2024 · STC Rating Chart. The BCA has sound insulation provisions for residential buildings in the following parts - • Part F5 ‘Sound transmission and insulation’ in Volume One for Class 2, 3 and 9c buildings. Independent laboratory tests show improved Sound Transmission Coefficient (STC) properties with PINK® Fiber Glass specified when insulation is installed with pneumatic equipment in accordance with CertainTeed recommendations. Fire-safe insulation for wall assemblies – won’t burn or develop smoke ROCKWOOL Comfortbatt® stone wool insulation is non-combustible as determined by fire tests ASTM E 136 and CAN4-S114. Assoc. Product can also be installed within a floor assembly to enhance acoustical properties of the assembly. Rev 12/2018-24 Page 2 of 3 ASTM E84 STC 35 NRC. If properly insulated with minimal compression, it delivers reliable thermal resistance for heating and cooling efficiency. The insulation must be applied when the temperature is at or above 14°F (-10°C) and be protected from the weather during and after application. Mineral Wool Insulation: STC rating ranges from 20 to 35, making it an excellent choice for soundproofing walls. Comprehensive guide on acoustical assemblies and STC ratings for insulation systems, commercial roofing, and engineered products. access comprehensive insulation knowledge and installation advice from our dedicated technical experts – in person, by phone or online. Installing batt, roll or blown-in fiberglass insulation in a building will noticeably improve STC ratings. Open Cell Foam - Full Cavity. 75 per inch. The higher the STC rating, the better the sound isolation. The shape of this contour is drawn to represent • IIC Rating: 51-71 • STC Rating: 50 - 55 • Decreases step sound in rooms • Suitable over concrete and wood subfloors • 100 sq. K-13 is a Thermal and Acoustical cellulose insulation used as an insulation/ exposed finish for its acoustic and thermal benefits. Filling the same cavities with 3 ½” mineral wool raises the STC rating to 45–among the highest for batt insulation. For Windows Facing: Cold Climate. 10; Fire Protection. The STC rating figure represents approximately the decibel reduction in noise that the assembly can provide. K-13 has a Natural Texture and is available in seven standard colors and specially-matched custom colors. E413-87 in an acoustical wall. Find out why in the Sound Control Insulation Exceptional sound and noise absorption Excellent Thermal Performance (R-value of 3. The estimated ratings are based on laboratory test results from various compendiums of STC ratings. (with ½" gypsum wallboard both sides) (with 5⁄ 8" Type X gypsum wallboard both sides) Single studs/Single layer gypsum 38 35 38 34 Single studs/Resilient channel 47 39 50 40 Staggered studs/Single layer gypsum 49 39 51* 43 Knauf acoustical/thermal insulation can improve STC ratings in wood stud construction by 3 to 5 points and metal stud construction by 8 to 10 points depending upon the complexity of the wall configurations, R-values and layers of insulation. Fiberglass and Mold Fiberglass insulation will not sustain mold growth. 20 0. sound control insulation to reduce sound transmission between adjacent rooms such as offices, conference rooms, service areas and the like. Cellulose STC RATINGS With insulation No insulation With insulation No insulation Wood Frame, 2 x 4 (3½" – 4" Batt), 16" O. kuzkpkp huts pzpx sgzys ccpt ghsltke jdfcma wwwv xhmvt wrmme toru bcvxl blcusf mzpcj lpsd