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Insulation stc rating chart pdf 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. The higher the STC number, the greater the reduction in sound. Roughly speaking, the STC rating equals the reduction in decibel levels across the partition or through a wall. Fire Resistance Ratings: Part of ASTM E119 fire tested wall assemblies. K-13 has a Natural Texture and is available in seven standard colors and specially-matched custom colors. com or call 1-800-654-3103 | Building Insulation Division Bo | ener C Tecnical speciicaions as son in is lieraure are inended o be used as eneral uidelines only Te pysical and cemical properies o ermal insulation within 3 inches of light fi xtures or similar electrical devices unless device is labeled for contact with insulation. R means resistance to heat flow. Discover the Virtual Sound Experience Immerse yourself in a realistic sound-simulation tool to experience the acoustical performance of Knauf. In reality, SPF insulation represents two distinctly different product classifications: open-cell SPF (ocSPF) and closed-cell SPF (ccSPF). Unfaced glass mineral wool insulation is recognized by building code groups as an acceptable fire stop in residential wood frame walls. STC: 46 Report No. C. The shape of this contour is drawn to represent 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. Higher numbers indicate the assembly is more effective at reducing sound transmission. jm. 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/ STC RATINGS With insulation No insulation With insulation No insulation Wood Frame, 2 x 4 (3½" – 4" Batt), 16" O. FIRE RATING ING ING 5. 7 dB Assembly Components Metal Roof System 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. 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. It is intended as a quick screening tool to compare different wall or fl oor assemblies. 77” GAF" Polyisocyanurate 1. Product test results, spec books, installation guides, and coverage charts are available for dense pack & loose fill insulation. (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 Blowing Insulation requires no additional fire-retardant chemical treatments. The amount of insulation you need depends mainly on the climate you live in. Glass size and glazing system will affect STC rating. significantly improve an IIC rating. Wall Assemblies with thermal batts provide Acoustic Ratings (STC) that are very similar to ratings of Wall Assemblies with Acoustic Batts. 50003 659. 1% STC Ratings AC STC Ratings National Guard Products (NGP) Hardware Used: Door Styles STC Rating Door Thickness Primary Seal Threshold Saddle Door Bottom A100 - A200 Square Sticking (SS) Flat panel (F) 32 1-3⁄4” 5050 Twin Row-or-5075 8144 (optional)-or-896S-ADJ 12T6-or-225S x STC2 A100 - A200 Square Sticking (SS) Raised panel (R) 34 Increasing a wall's mass improves its STC rating. Sound Transmission Loss The same STC ratings obtained with ﬁber glass blanket insulation can be estimated for InsulSafe SP in BIBS application. How effectively a wall or floor reduces airborne sound is measured by STC ratings , detailed separately . 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. Learn how to install fiberglass batts, rolls and other insulation into attics, walls, and more. 06 m W* n 0 792 612 Comprehensive guide on acoustical assemblies and STC ratings for insulation systems, commercial roofing, and engineered products. STC Ratings for Everyday Materials. 148 Horton Drive, Suite B Monsey, New York, 10952 Phone: 845. Before we go any further, let’s discuss the STC ratings for everyday materials in your home. Most often, the failure of the Cellulose insulated wall: 44 STC Fiberglass insulated wall: 39 STC Uninsulated wall: 35 STC [Cellulose wall rating from the Cellulose In-sulation Mfrs. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. ( 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 One single number rating method which has been recently proposed is the sound transmission class (STC). Insulation. 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. at SOUND TRANSMISSION CLASS RATINGS. V. STC Ratings with insulation without insulation with insulation without insulation; Wood Frame 2 x 4 (3½"– 4" Batt), 16" O. 16. 5, Batts of fiberglass insulation. 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. The use of insulation in a typical metal stud wall, staggered wood stud or other wall with isolated face, can increase sound transmission loss by about 8dB – an improvement that is readily noticeable. In the following 13 commercial wall systems, ROCKWOOL AFB® delivers Compile and download lists of important documents for CertainTeed products. Fiberglas™ Insulation Foamglas® Cellular Glass Foamular® XPS Foamular® NGX® Thermafiber® Mineral Wool Thermafiber® Formaldehyde-Free Perimeter Fire Containment Rainbarrier® Continuous Insulation Accessories Enclosure Solutions Wall Enclosure Solutions Below-Grade Enclosure Solutions Roof Enclosure Solutions All Enclosure Solutions STC 50 / OITC 35 R-13 Faced 202-96 Insulation Over the Girts 3 5/8” Steel Studs on 24” Centers with 1/2” Gyp. RAL-TL96-270 Insulation Included: ROCKWOOL AFB STC 47 Assembly Components Finish material 1/2” gypsum Size 3 5/8” Steel Stud Spacing 16” oc Product AFB Thickness 3” Resilient Channels RC Deluxe, 16” OC Acoustics Assembly Number: ISS-14 STC: 47 OITC: 29 Report No. Wall ProPink® FIBERGLAS® Blown Insulation: Glass fiber blown loosefill thermal insulation installed in flat or sloped (max. · Tampa, Florida 33634 · 888-815-9691 STC Rating Chart For Windows. Sound Transmission Coefficients and fire resistance ratings of steel stud and concrete masonry unit wall assemblies with QUIETZONE Acoustic Batt insulation. Both categories of SPF are chemically 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. 2. STC ratings cannot be simply added or subtracted. Dec 13, 2022 · Mineral wool has an STC rating roughly ranging between 45 and 52, which is the highest among insulation materials. Do not use insulation in spaces around metal chimneys, fi replaces, or fl ues. You might get something around STC 35. 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. Climate Pro B7700 Mid-Floor Coverage Chart STC Rating Documents. ; fiberglass and uninsulated wall STC ratings from Owens-Corning, ﬁNoise Control Design Guide. Compare insulation R-values before you buy. B. 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. Resilient channel can improve the STC rating of an assembly. • Fire Resistance: Rated for 1hr and 2 hr walls per ASTM E 119-08. … The STC rating reflects the decibel reduction in noise that a barrier can … $0. • Batt insulation thickness provides better sound control than batt insulation density. 4 dB Assembly Components Membrane: Insulation: Insulation Deck: 0. The higher the NRC rating, the better the sound absorption What is STC? The Sound Transmission Class (STC) is a single-number rating of an assembly’s ability to resist airborne sound transfer at the frequencies 125-4000 Hz. Description. Metal stud walls perform better than wood stud walls. • Batt insulation must fit tight without gaps. You can also create Submittals with our interior products. (with ½" gypsum wallboard both sides) (with 5⁄ 8" Type X gypsum wallboard both sides) Single studs/Single layer gypsum 38 35 38 34 Single studs/Resilient channel 47 39 50 40 Staggered studs/Single layer gypsum 49 39 51* 43 Apr 3, 2009 · SPRAY POLYURETHANE FOAM INSULATION . STC Rating Chart Determining STC Rating of Wall, Drywall, and Windows STC Rating of Drywall. They are logarithmic values and cannot simply be added. 4 %âãÏÓ 4 0 obj > endobj xref 4 47 0000000016 00000 n 0000001461 00000 n 0000001569 00000 n 0000002647 00000 n 0000002826 00000 n 0000003001 00000 n 0000006400 00000 n 0000008833 00000 n 0000009407 00000 n 0000012179 00000 n 0000012776 00000 n 0000013321 00000 n 0000015690 00000 n 0000017952 00000 n 0000020711 00000 n 0000021098 Mineral Wool STC BID@$"/@ 4/1 201 ohns Manville All Rihts Reserved Visi our ebsie a www. 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 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 Rigid Foam Insulation Owens Corning FOAMULAR 250 extruded polystyrene insulation is ideal for wall furring, perimeter/ foundation, cavity wall, crawlspace, pre-cast concrete, under slab, roofi ng systems, sheathing and other applications. It Class (STC) rating. a. STC: 26 OITC: 21 RValue: 23 Rainfall: 54. • Doubling the mass of a wall assembly does not double the STC rating. Product Data Sheet. The U. Unfaced insulation is considered non-combustible by model building –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-hr. 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 resilie t channel, and batt insulation in the cavity. Assoc. 4. 1 HR. S. Class (STC). Tested at 4 inch thickness The STC rating indicates how well a wall assembly blocks airborne sound. Outdoor-Indoor Transmission Class STC — Sound Transmission Class in accordance with ASTM E 90 and E 413. (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: Building Council Rating System (refer to TABLE 7). The STC and ISO RW values indicate the acoustical performance ratings, with higher numbers indicating better sound %PDF-1. 75 per inch. The (STC) rating from these tests does not account for low-frequency sound transmission (below 125 Hz),which may come from mechanical systems,elevators and the lower frequencies of amplified music. A 10 dB increase in the rating of a wall actually 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 Jul 21, 2000 · stc assembly; 41: single layer 5/8” gypsum board each side no insulation test #ngc 2008020: 48: single layer 5/8” gypsum board each side 5-1/2” celbar spray test #ngc 2008023: 55: single layer 5/8” gypsum board each side single layer 5/8” soundbreak™ one side 5-1/2” celbar spray test #ngc 2008024: 51: double layer 5/8” gypsum Jul 21, 2000 · stc assembly; 41: single layer 5/8” gypsum board each side no insulation test #ngc 2008020: 48: single layer 5/8” gypsum board each side 5-1/2” celbar spray test #ngc 2008023: 55: single layer 5/8” gypsum board each side single layer 5/8” soundbreak™ one side 5-1/2” celbar spray test #ngc 2008024: 51: double layer 5/8” gypsum STC Rating Chart For Windows. TMSoundproofing. 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: sound control insulation to reduce sound transmission between adjacent rooms such as offices, conference rooms, service areas and the like. Compare insulation R -values before you buy. • An empty framed wall (steel studs and a layer of gypsum wallboard on each side) has an STC of approximately 35 Download our Spec Book for STC Ratings, firewall designs, and more. In typical metal building construction the values for STC range from a low of about 20 to a high of 55. 51” Fabral 22ga. 030 P. G2. To improve the structures STC ratings, you’ll want to properly install sound control insulation with a high NRC rating. In a typical 2 x 4 wall with a single layer of 1/2" drywall on each side (Tested STC): o Cellulose STC41 o Fiberglass or mineral fiber STC38 o Icynene STC37 o The installed performance in batt insulation systems is typically well below that of their tested E413-87 in an acoustical wall. 5 fi berglass insulation batts, ⁄8" None TL-92-618 38 5 designed to deliver noise control ⁄8" Glass fi ber TL-93-325 49 5 in metal stud wall shall be as required for fire ratings. 4657 www. Department of Housing and Urban Development (HUD) provides information on housing policies, programs, and resources. mineral wool) blown-in cellulose and fiberglass batt. FIIC — Field Impact Insulation Class in accordance with ASTM E 1007 and E 989. 6. For example, adding fiberglass insulation to a standard wall with an STC of 33 only raises the collective rating to 39. What does an STC rating of 45 mean? An STC rating of 45 is where you get into the world of soundproofing and privacy. They similarly measured the STC rating as the nu ber of short circuits was increased to 100 percent. Is Complete Soundproofing Possible? Our STC rating chart above only goes to 50 because STC rated windows are in that range. However, this insufficiency cannot be addressed simply by requiring higher STC or IIC ratings. This STC rating chart for windows goes down from lowest to highest STC rated windows to represent the quieter environment you will experience. 5-$1. *OITC is estimated based on this test. 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. However, FIRM-FILL STC/IIC Ratings and UL Listings FIRM-FILL® SCM 125 3/4” (19mm) Gypsum Concrete Thickness Insulation Bare Ceiling Isolation FIRM-FILL® SCM 250 FIRM-FILL® SCM 400 Sound Control Mat The minimum Sound Transmission Class (STC) and Impact Insulation Class (IIC) ratings of 45/50 established by most codes for partition and floor assemblies often prove insufficient for many occupants. %PDF-1. The amount of the insulation you need depends on the climate you live in. Sound Attenuation Batts (SAB's) … fiberglass insulation batts, designed to deliver … STC ratings are determined in. FIBERGLASS AND MOLD Fiberglass insulation will not sustain mold growth. • Summary Report for Consortium on Gypsum Board Walls: sound transmittance results, internal report IRC-IR-693 Product Data Sheet 09 81 16. 6122 Benjamin Rd. ( 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 Insulation-unfaced”. Insulation will noticeably improve the STC rating of an assembly. Sound Transmission Class: ASTM C423, STC ___ Note to Specifier: Select STC from Wall System Chart included in the ProSpec Introduction & Instruction Package. E413-87 in an acoustica l wall. Floor/Ceiling System Constructions for Sound Control *Indicates that the value is an estimate. 1/8" 35 35 ZONA stc_rating_chart Author: Madalyn Mufson Created Date: PDF-1. FIRE RATING ING STC RATINGS With insulation No insulation With insulation No insulation Wood Frame, 2 x 4 (3½" – 4" Batt), 16" O. All Rights Check out the below chart to discover how combinations of drywall layers, framing and type of insulation compare for STC (Sound Transmission Class) ratings. Board on Interior STC 28 / OITC 20 R-10 Faced 202-96 Insulation Over the Girts STC 21 / OITC 17 No Insulation STC 29 / OITC 20 R-13 Faced 202-96 Insulation Over the Girts Assemblies tested in accordance with ASTM E 90. ﬂ] Specifications Naturally better insulation. Noise Reduction • Improves Sound Transmission Class (STC) ratings by 4 to 10 points, with a 3 point STC STC Ratings With insulation No Insulation With Insulation No Insulation Wood Frame, 2 x 4 (3½" – 4" Batt), 16" O. 367. ' 2001 Applegate Insulation. In the following 13 commercial wall systems, ROCKWOOL AFB® delivers Then I fill it with blown fiberglass insulation. Check the STC rating chart above to have a better understanding of this. 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. 501 re 306 396. Adding additional layers of drywall can improve the STC rating of an assembly. 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. Walls. 352. The STC rating goes all the way up to 65. Safe’n’Sound ® Residential Fire and Soundproofing Insulation Performance Test speciﬁed when insulation is installed with pneumatic equipment in accordance with CertainTeed recommendations. Limitations Owens Corning does not recommend using QUIETZONE Acoustic Batt Insulation in the following locations: † In locations where acoustic insulation is exposed or partially exposed (in those situations, use SelectSound® Black Acoustic Boards/Blanket described in Data Sheets 09 81 16. 751 614 -426. No test is on file to justify an STC 50 with one 5/8" type “X” gypsum board each side. (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 STC Rating STC Rating Static Door Operable Door Perimeter Seals Door Bottom Threshold Panel w/ Gasketing 30 30 103N, 107N, 120N, 122N 420N 897NS 127N, 133N, 134N, 137N 137S, 303N, 700N, 700S 30 30 130S 225S 896S construction team and the design team to take this into account for higher STC ratings. F. JM. There are other factors to consid-er. • The tables show STC ratings of the same wall assemblies with either fiberglass or rockwool filling the cavity. This chart summarizes various characteristics of five most common house insulation materials: closed cell spray foam, open cell spray foam, rock wool (a. In general, a higher STC rating blocks more noise from transmitting through a partition. 41 45 • Acoustic Properties: Minimum STC 26 per ASTM E 90-02 • Flammability rating: Class 1 per ASTM E 84 • Mold & Mildew: No fungal or algae growth per ASTM D3273 and ASTM G 21. • Structurally decoupling the gypsum board panels from each other (using impact insulation. K-13’s monolithic coating absorbs excess noise and provides an R-value of 3. Sound Transmission Class (STC) is an integer rating of how well a framed wall attenuates sound. Doubling the mass of a wall assembly does not automatically double the STC rating. *OITC is estimate d base d on this test. 7 %µµµµ 1 0 obj >/Metadata 422 0 R/ViewerPreferences 423 0 R>> endobj 2 0 obj > endobj 3 0 obj >/ExtGState >/XObject >/ProcSet [/PDF This document provides sound transmission class (STC) ratings for various glass and wall constructions. The results are shown in Figure 3, in terms of the percentage reduction in STC rating versus percentage of short circuits. OCC May 19, 2023 · This article will explore the six variables that affect STC ratings in walls. 70 Conforms to the requirements of ASTM E84 and is classified as a class 2 (B) material. 5. 7 %âãÏÓ 2744 0 obj >stream ŽËfÂl¸Ùûõ] šÁ¬‹'ÂxüÈcqàîÌ»$"_¹¨éadßQ‡}xBµxåuÉÎVæ-Ãv/C »AÊ~Oef i†ãš` Ëä ½ ëZòƒ& This chart shows the R-value of this insulation. is the sound transmission class (STC). E. J2247-12-303-11-R0 Insulation Included: ROCKWOOL AFB STC Value ISO RW 3 Single Laminated Glass 1 1/4" (7. The key points to remember are: (1) The insulation is performing a sound absorption function in the stud cavity. Also, your fuel OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 If you have an STC 45 wall, this does not mean the wall stops 45 dB of sound. The higher the R-value, the greater the insulating power. A standard wall without insulation usually has an STC rating between 30-34. Search The chart shows the R-value of this insulation. Of course, the higher the STC rating, the better. Product can STAGGERED STUD WALL PARTITION STC Ratings of wall assemblies INSULATED with CelBAR Spray. Dimensional Stability: Linear Shrinkage less than 0. Owens Corning’s patented Hydrovac® process technology make the unique closed-cell structure of FOAMULAR Sound Attenuation Batt Insulation Product Data Sheet Description Acoustic Comparison of Cavity Insulation Types Sound Attenuation Batts (SAB’s) Gypsum Board Insulation Type Test Number STC are unfaced, lightweight, fl exible One layer each side. STC 41 STC 51 STC 56 STC 59 STC 48 STC 55 • SINGLE LAYER 5/8” GYPSUM BOARD EACH SIDE • 5-1/2” CELBAR SPRAY NGC 2008023 • SINGLE LAYER 5/8” GYPSUM BOARD EACH SIDE • NO INSULATION NGC 2008020 • SINGLE No Insulation With Insulation Standard stud wall with one layer of 16mm (5/8") Plasterboard 28 Typical wall construction with 1 layer of 16mm(5/8") Plasterboard on each side of 95x35mm (4 x 11/2") timber studs. Insulation Building Insulation HVAC Insulation Acoustic Insulation batts. Use only unfaced insulation between wood framing and masonry chimneys. Our wall assembly was comprised of 5/8” OSB (exterior), one layer of type X gypsum wallboard (interior), 2” x 4” studs 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. Spray polyurethane foam-insulation (SPF) is a relatively new product to the residential building industry. IIC — Impact Insulation Class in accordance with ASTM E 492. A rating of 40 would likewise correlate with a volume reduction to approximately 1/16th of the original level (1/2)^4 = 1/16). BASIC USE: STC 35 NRC. fire-resistance ratings for veneer and conventional systems –Can minimize or eliminate irregularities such as ridging, boarding and nail pops associated with standard drywall STC: 45 Report No. . Impact Insulation Class Impact Insulation Class (IIC) is a single-number metric used to measure the impact insulation performance of a floor-ceiling assembly in a laboratory, primarily applicable to footfall noise in occupied spaces. 3 Conversely, fiberglass’ STC is much lower. OCC Wall Assemblies with thermal batts provide Acoustic Ratings (STC) that are very similar to ratings of Wall Assemblies with Acoustic Batts. 3. Testing done with full scale assemblies. RAL-TL90-195 Insulation Included: ROCKWOOL AFB STC 46 Assembly Components Finish material 5 This document provides sound transmission class (STC) ratings for various glass and wall constructions. The higher the STC value, the better a construction reduces the transmission of sound. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. Table 5-15 shown here gives STC ratings for different partition wall designs. 5” AcousticsAcoustics Assembly Number: ISS-11 STC: 46Report No. Request CertainTeed’s Sound Control Guide (30-29-121) for more information on the Find the right STC and fire-rated assemblies for your project, download Revit & CAD files, estimate materials, and find applicable Knauf Insulation products for each system. com Roxul Insulation Acoustical Fire Batts STC RATINGS With insulation No insulation With insulation No insulation Wood Frame, 2 x 4 (3½" – 4" Batt), 16" O. This rating can be considered the baseline from where you are getting serious when it comes to preventing some transmission. The STC and ISO RW values indicate the acoustical performance ratings, with higher numbers indicating better sound Transmission Class (STC) ratings demonstrate its effectiveness in attenuating noise. The mineral fiber insulation shall have a thermal resistance R value of 11 or greater as determined by Federal Specification RR-I-521B. Below the chart we provide additional brief description of each material type. Even then, differences of 1-2 points STC can occur for • Cellulose insulation outperforms all other insulation systems for sound attenuation. What is an STC rating? Sound Transmission Class (STC) ratings show how well a wall assembly diminishes airborne sound traveling from one room to another. k. 85” GAF" Polyisocyanurate 2. 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. Staggered or double stud walls are higher rated than single stud walls. , Type B, Steel Acoustic and Thermal Performance STC: 29 OITC: 23 RValue: 23 Rainfall: 55. There are other factors to consider. The other rows detail the type of insulation (none, fiberglass or mineral The NRC (Noise Reduction Coefficient) value represents the percent of sound directed at the surface that is absorbed by the fiberglass acoustic insulation. Achieve greener insulation solutions today! Skip to content. STC Ratings With insulation No Insulation With Insulation No Insulation Wood Frame, 2 x 4 (3½" – 4" Batt), 16" O. STC rating STC RATINGS With insulation No insulation With insulation No insulation Wood Frame, 2 x 4 (3½" – 4" Batt), 16" O. 05” Sarnafill" Sikaplan 1. Glass siz e and glazing system will a˜ect STC rating. The first row lists the improvement in STC rating with insulation as compared to an uninsulated wall. 3200 Fax: 845. 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 Batt Insulation 07210 & 09820* Acoustic Blanket Insulation 09 81 16** ROCKWOOL Safe’n’Sound® is a mineral wool batt insulation for interior partitions of wood and steel frame construction where superior fire resistance and acoustical performance is required. D. K-13 is a Thermal and Acoustical cellulose insulation used as an insulation/ exposed finish for its acoustic and thermal benefits. 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. Mineral Wool Product Comparison Chart Continuous Insulation for Rain-Screen Cladding Systems - Fiber Cement Panel STC Rating Documents. 2 HR. 24 mm) 1/8" 0. STC is a method of rating airborne sound transmission performance of a wall or fl oor assembly. 35 38 Typical wall construction with 2 layers of 16mm(5/8") Plasterboard on each side of 95x35mm (4 x 11/2") timber studs. 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. 4 %âãÏÓ 9 0 obj > endobj 11 0 obj > endobj 23 0 obj > endobj 29 0 obj >stream /Figure >BDC q 1 i . 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. Now that people know what an STC rating actually is, the next step is determining the STC rating of a wall, drywall, and windows. 800-748-0128; Search. 5:12) ceiling assembly with commercial pneumatic equipment. Caution: You cannot add STC ratings. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 STC Ratings & Steel Stud Framed Walls . The STC rating has been in existence for many years and is based on speech sounds. Visit our website atwww. When plotted in this way, the STC rating falls nearly linearly with in Access documentation for Nu-Wool Cellulose Insulation, ECOCELL Batt & Blanket, Energy Care Insulation, and WALLSEAL systems. STC Standards For reference, most building codes throughout the US require an exterior wall to have an STC rating of 50, standard house walls and wooden doors have an STC rating of 33, windows range from 18 to 38, ile wh lower than STC ratings for the same assembly, due to construction variations in the field. STC ratings are determined in a laboratory under controlled conditions. Sound Control Insulation Exceptional sound and noise absorption Excellent Thermal Performance (R-value of 3. byxgd hhm aunkm shlqzer fcp kkpjcb zby istqd zuz brh xpguwjt xsgxlh xtpoay zyfpnj rllu

Insulation stc rating chart pdf. mineral wool) blown-in cellulose and fiberglass batt.