Stc rating glass chart pdf. Typically a two (2) or more point change .

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Stc rating glass chart pdf Quite simply, the higher the rating, the better the product. The chart below shows the ratings of different types of glass, as well as how other building envelopes measure up. STC . 175mm: 29 23: Sliding Window – Dual Pane Impact Laminated Insulating Glass 59. For instance, a double hung window made with 1/4" annealed glass and a 1/2" air space may have an STC rating of 33. Pim Foam or Dura**** Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name: STC Ratings - Tuscany | V400 Due to 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 The glass to exterior ratings, when tested to ASTM E1425 and ASTM E90, shall not be less than STC 38 and OITC 31. Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. 1/4" 41 41 STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Glass 2 4-3/4" (120. 05: Water Resistance. com V250-CM-2 250 Series Casement Sound Transmission Class and Outdoor-Indoor Transmission Class Climate Pro B7700 Expanded Attic Coverage Chart Climate Pro B7600 STC Rating Documents. Feb 19, 2024 · Explore the STC rating chart for walls, glass, windows, doors, and materials. Costing more than other materials, this is used mainly for exterior applications. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. 08/31/2023 E413-87 in an ac oust ical wall. (2) The higher the level, the greater the product's ability to resist forced entry. OITC Rating with grilles-between-the-glass -Estimated STC Ranges should be adequate REPRESENTATIVE STC RATINGS Considerations for additional performance More air gap between windows Caulk or seal prime window Special weather-stripping for storm window Single Glazed ¼” Laminated Glass 41 - 45 Single Glazed 3/16” Laminated Glass 40 - 44 Single Glazed 1/8” Glass 31 - 37 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 Standard windows offer sound control up to an STC rating of 30. glass areas but not enough to make much difference in the majority of architectural glass sizes; > Sound reduction will improve with the use of Acousta™ laminated glass due to the vibration dampening effect of the interlayer. Is Complete Soundproofing Possible? Our STC rating chart above only goes to 50 because STC rated windows are in that range. Insulation will noticeably improve the STC rating of an assembly. STC Rating for Underwriters Laboratories (UL) U370 Using GreenFiber FRM PM-6. Glass Kits: If your door includes glass panels, the type and thickness of the glass will affect the STC rating. Be sure to specify full thick - JM Formaldehyde-free thermal/acoustical fiber glass batts. 03. What does an STC rating of 45 mean? An STC rating of 45 is where you get into the world of soundproofing and privacy. See Design Data pages in this section for specific product performance class and grade values. 24 Page 1 of 7 Due to continual product research and development, details listed are subject to change at any time Jan 18, 2022 · STC Ratings Updated : 01/18/2022 by K. Factors That Affect Your Glass STC Rating. Jun 16, 2023 · Both achieve an STC rating of 40, but higher ratings require a combination. 5°F/1. 1206. Consider not only the STC rating but also door quality and construction. 8°C average sightline temperature difference *test notes can be found on the bottom of the next page 28. 12 of the LABC. Even if the glass is damaged, it remains securely in its frame, keeping the elements outside. B. STC OITC 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 1/4” (6mm) monolithic glass has an STC rating of 31 1/8” x . Fortunately, there are some tools we can use when we choosing the suitable glass types we need. 5. Learn why STC ratings matter for soundproofing. STC 50* 15/ 8" (41 mm) steel studs: double layer 1/ 2" (13 mm) Type X gypsum board each side; one Fire Door Ratings. RAL-TL06-199 The acoustical tests were conducted in accordance with the following: STC Rating Chart Determining STC Rating of Wall, Drywall, and Windows STC Rating of Drywall. 24 Page 1 of 7 Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. ,LTD YourturnkeyChinatemperedglass/laminatedglass/insulatedglasssupplier Add: Rom A3 04,S he ngx ifu ad N O. with grilles-between-the-glass Optimum Humidity Chart 160. 70 60 --STC38 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 Dec 22, 2022 · Double-glazed glass can also provide an STC rating of up to 40. STC 43* 15/ 8" (41 mm) steel studs: single layer 5/ 8" (16 mm) Type X gypsum board each side; one thickness 23/ 4" (70 mm) JM Formaldehyde-free thermal/acoustical fiber glass batts. Sound Transmission Class 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 Performance documents for altitude limits, NFRC ratings, center of glass, joining window load table, air infiltration, and more. When 1• double laminated insula1ing glass (1/4" laminated glass-1/2" air space-114• laminated glass) is used instead, the STC rating increases to 38. com. To determine the specific STC ratings of glass and a Laminated architectural glass can be fabricated using various glass types, including low-e, clear, low-iron, tinted, reflective, patterned or wired glass to achieve desired aesthetics or to improve solar control and thermal performance. Address: 6301 N Florida Ave Tampa, FL 33604 STC Results Chart. 0. Each configuration was tested by itself and then with the added Soundproof Window at 4 different air spaces (glass to glass measurements) shown to the right. 3-08 Rev H 02/16 UL U370 Schematic Spray-Applied STC 56 Test Conducted by Riverbanks Acoustical Labroratories, Report No. STC 43 Assembly Components Finish material 5/8” Gypsum Size 3 5/8” Steel Stud Spacing 16” oc Product AFB Thickness 3. PDF-1. AGC Glass Configurator Single & Laminated Glass Data. Call us with any questions! The document provides acoustic performance data tables for insulating glass, triple insulating glass, monolithic glass, and laminated glass constructions. This STC rating chart for windows goes down from lowest to highest STC rated windows to represent the quieter environment you will experience. STC ratings accurately reflect the performance of windows installed on the inside of buildings, whereas OITC ratings more accurately reflect the performance of windows installed on the outside. * STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Glass 2 4-3/4" (120. . Save as PDF 800 Park Drive , Owatonna , MN 55060 US | (800) 533-2080 Jun 15, 2024 · STC Ratings for Windows and Glass. -114• glass) with an STC rating of 34. In the fi eld, fl anking noise, quality of material and construction practices can lead to widely varied STC’s for the same assembly. Laminated and double-glazed glass both hold STC ratings of 40, but anything higher typically requires a combination of the two. 1/8" 35 35 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. Double-Glazed than glass, including the framing, the glazing gaskets/sealants, insulating glass unit spacer and sealants, and possibly interlayers. 1°C Aluminum 37. %PDF-1. 751 614 -426. 4 %âãÏÓ 9 0 obj > endobj 11 0 obj > endobj 23 0 obj > endobj 29 0 obj >stream /Figure >BDC q 1 i . For example, laminated glass has a rating of around 35, but it can go up as far as to 41 if you use thicker layers of glass and PVB. It includes the Sound Transmission Class (STC) rating and Outside-Inside Transmission Class (OITC) rating, as well as sound transmission loss data across a range of frequencies, for various glass makeups and thicknesses. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 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. Pim Foam or Dura**** OITC Test Date Test Number Intercept or Cardinal horizontal slider 6110 6111 6130 6130J 6170 size tested 6040-Operating Style Series Numbers Glass 1 Glass 2 Spacer STC 3/32 3/32 not tested 1/8 1/8 - 28 24 4/27/98 TL98-184 1/8 3/16 1/8 5/32 3/16 1/8 5/32 1/8 1/8 1/4 1/4 1/8 1/8 LAM LAM 1 Acoustical Guide – Determining Minimum STC Rating Methods for Determining Required Window STC Rating The three methodologies discussed below for determining the minimum required STC of windows are identical in format. Old aluminum and wood windows are rated even lower. UPDATED; TD-138 - Heat Treated Glass for Architectural Phone: 888-815-9691. –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. Bookmarks are also included in this PDF document and are available as an additional navigation option. + Pella 2024 Architectural Design Manual Division 08 Openings Windows and Doors www. STC ratings are the ONLY way to accurately compare various noise reduction products. Typically the material with the lowest resistance to the passage of sound has the greatest impact on a partition's STC value. Meets or Exceeds AAMA / WDMA Ratings STC ratings are determined in a laboratory under controlled conditions. 22. Pella 2024 Architectural Design Manual Division 08 – Openings Windows and Doors www. 9375mm 32: 26 Hurricane Shield Series Resilient channel can improve the STC rating of an assembly. 24 Page 1 of 7 Glass 3 Spacer STC OITC Test Date Test Number Operating Style Series Numbers 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 The order of sound insulation performance from poor to excellent is: monolithic glass < laminated glass How to calculate the glass STC? One of the features of glass is sound proof,whether it's single glazing, laminated glass,insulated glass or even laminated ins JM Formaldehyde-free thermal/acoustical fiber glass batts. Masonite is dedicated to creating exceptional products for any home or business. Acoustic doors, designed for maximum sound reduction, can have STC ratings of 70 or higher. components. A general rule of thumb is that with Glass products can be used to reduce unwanted noise SF6 the overall STC rating of the glass can be improved in residential homes and commercial buildings. 250 Series Double-Hung. the Sound Transmission Class (STC) and Outdoor-Indoor Transmission Class (OITC) Ratings. OITC Rating. 030 x 1/8” laminated has an STC rating of 34 1” insulated glass ¼” x ½” AS x ¼” has an STC rating of 35 Structural Performance The strength of laminated glass is determined by the glass thickness, type of vinyl, glass size, and the nature of loading. 17. This rating is especially important to architects since it can have the largest impact on building performance. Laboratory testing is used to measure the resistance of partitions such as walls, windows, or entry doors to the passage of sound. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 1/8" glass, . Jan 28, 2024 · The average STC rating for a regular single pane window is 27. The final STC/OITC rating of the window assembly could vary because of the influence of the framing members and the construction of the window assembly. 5” Acoustics Assembly Number: ISS-02 STC: 43 OITC: 28 Report No. In addition, proper installation is critical to ensure that sound does not enter through poorly fitted components. Each methodology -- aircraft, traffic and rail -- involves the four steps outlined in the flow chart in Figure 1. 15-113-11-R0 STC 31 26 STC 25 to 35 RWT31 RWT36 RWT30 Dec 31, 2024 · Gaps or weaknesses in the frame can compromise the STC rating. 030" PVB, 1/8" glass, 1/2" airspace, 1/8" glass, . The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. 29W b D3s trcQ C6 MKETIG@ Class (STC) rating. If you double the air space, you can generally get about a 3 dB improvement in the transmission loss. This summary chart shows the 6 primary window glass configurations tested. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. In both cases, the higher the number the better the (1) Maximum performance for single unit when glazed with the appropriate glass thickness. After sealed IG units were installed into the laboratory test opening, the first glass panel and wood spacers were used to complete the triple glass configurations. V250-SW-2. F-SW-2. Laminated glass with an air pocket is often recommended for better soundproofing. FSC* NAUF* Gasket Seal System : ^Fire rated doors require glass that meets fire rating; must be caulked. 3°F/5. Mass pigmented and decorative interlayers can also be used to provide a wide range of effects. Therma-Tru offers a wide selection of fiberglass 20-Minute Fire-rated doors for protection with a sense of style. Double-Glazed This will result in a poorer performing window Information product for acoustical applications where transportation noise is of concern. glass wool 590lb/ft2) 55 59 Single 150mm (6") Steel stud with 3 layers of 13mm (1/2") plasterboard on one side and on the other side another 3 layers on a flexible channel screwed horizontally onto the steel stud. (Insulation is 125mm (5") glass wool 590lb/ft2) 55 64 Standard house brick unrendered. To determine the speciﬁ c STC ratings of glass and a window or door assembly, the following ASTM standards should be used: • ASTM E 90 - 90 Standard Test Method for glass constructions only. The STC rating GLASS [PB] CLEAR EC [L] EC [L] EC [L] EC [L] Ec+ [L70] Ec+ [L70] Ec+ [L70] Ec+ [L70] Thermal Performance Ratings* - NFRC Certified (Page 2 of 6) Please Note: For OA Glass 1 Glass 2 Acoustical Ratings - Ultra I C650 updated 04. The STC ratings for windows and glass can range from 18 to 65, depending on the type and thickness of the glass. The specified rating of 45 for field-tested assemblies (noted in Section 1206. Each product is inspected to exceed our high quality benchmarks while meeting industry-wide standards. 6. 0°F/ 7. A higher STC rating translates into more reduction in sound. Typically a two (2) or more point change 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. Jan 28, 2025 · However, it is important to note that different glass options and the use of combination units may affect the sound abatement performance of the unit. View Guide for Care and Maintenance Instructions Typical windows have STC ratings in the 25-28 range. 125 x 47. The STC rating goes all the way up to 65. The fire door rating measures how long a door can prevent the passage of flame from one side of the door assembly to the other. Heavier glass and/or different glass thicknesses can be used in lieu of standard glass for a higher reduction of sound. 060 P. Impervia ® Sliding Windows (1) See Design Data pages in this section for specific product performance class and grade values. Drywall between double studs can dramatically reduce the STC rating of an assembly. Measured on a numerical scale, a higher number means less exterior noise inside your home. 250: 7/8" 3. An STC rating is an instrument measurement of how much noise is stopped. 7°C ® Super Spacer® TriSeal™ +14. Riot Glass® is a full line of ballistic glass available in single and dual pane options. 5 psf: Design Pressure. Glass size and glazing system will aﬀect STC rating. STC Ratings Updated: 08/19/2021 by K. 06 m W* n 0 792 612 STC ratings are used for windows, doors, walls and most building materials. 175mm 3. Seals and Gasketing: Even the highest-rated door will perform poorly without effective b atts w ith 8 9mm Fib er Glass (FG) b atts (with I-I single layer gyp sum each side) gave low er STC assemb ly performance for MW b atts. 1. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. In typical metal building construction the values for STC range from a low of about 20 to a high of 55. V. If thicker glass material is used, the rating can go up to 35. Email: info@commercial-acoustics. 3°F/2. Click here to review the full details. WE STAND BEHIND OUR GLASS WinGuard® Aluminum products are backed by some of the best warranties in the industry, including: • A 10-year warranty on the frame and laminated glass unit • Limited lifetime warranty on the insulating glass unit STC Lab Test Results 1/8" single pane glass Tested at various air spacing between the test glass and a Soundproof Window 27 STC Test Glass - STC Test Result Range: 43 52 40 50 60 70 T ransmission Loss (Db) SOUNDPROOF WINDOWS®, Inc. Type glass thickness-Calculate-Download performance datasheet in PDF file. 45 – 50 psf: Products with Impact-Resistant Laminated Glass. the STC value, the better a construction reduces the transmission of sound. Laminated & Double-Glaze Combinations. S = Standard; O = Optional, (—) = Not available Laminating glass is a popular way to increase an STC rating. V250-DH-2. It’s important also to consider: Glass thickness: thicker glass typically provides better sound insulation than does thinner glass Oldcastle STC Data (1) The data here is based on samples tested at Riverbank Acoustical Laboratories in accordance with ASTM E90- 97, ASTM E413-87 and ASTM E1332-90 and are not guaranteed for all samples or applications. The greatest lower ing (2 to 8 STC units) was for assemblies with a single layer of 5/8” Type X gypsum b oard on each side of thee steel stud assembly. 24 mm) 1/8" 0. STC 50* 15/ 8" (41 mm) steel studs: double layer 1/ 2" (13 mm) Type X gypsum board each side; one Armorplast® and Riot Glass® ArmorPlast® is designed to resist penetration in UL752 Levels 1, 3 and 6. 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 insulating glass units are constructed with two plies of glass and an airspace. The STC ratings allow accurate 'apple to apple' comparisons. Adding additional layers of drywall can improve the STC rating of an assembly. 50003 659. Our retrofit framing allows us to install the ArmorPlast® into your existing framing to significantly reduce costs and downtime. Assemblies will be organized by STC value ranging from an STC of 40 to an STC of 57. Beyond the type of windows you select, other factors can affect the STC rating of your glass. For windows, STC ratings range from 18 to 38. View Guide for Glass Quality Guide . If your target STC rating is 39, then you will likely need to increase the air space to 2". This rating can be considered the baseline from where you are getting serious when it comes to preventing some transmission. 75 – 7. 3°F/-2. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. 1. 05-113-11-R1 Rainfall: G3302. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing STC Rating Chart For Windows. Pella. Outdoor-Indoor Transmission Class (OITC) Recently, a new single-number rating has Jul 31, 2022 · Glass doors can range from 28 to 60+ STC ratings, while steel and fiberglass doors range from 20 to 50. 250 7/8" 3. The glass to center ratings, when tested to ASTM E1425 and ASTM E90, shall not be less than STC 37 and OITC 30. While STC and OITC ratings are published for various glass configurations, accurate ratings for the Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. Mar 30, 2023 · Also, an acceptable STC rating for walls may be different from the acceptable STC rating for floors, depending on whether the walls are shared by a neighbor, or a room is directly beneath a kitchen with heavy traffic. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 Laminating glass is a popular way to increase an STC rating. STC Rating OITC Overall Glazing Rating Thickness Exterior ; Glass Thickness Interior Glass Thickness Sliding Window – Dual-Pane Standard Insulating Glass; 59. 501 re 306 396. Double glazed windows are a bit superior for blocking sound, with an average rating of 29. Lepage offers a variety of acoustic glass with high ratings. Explore noise reducing windows and doors from Pella. STC/OITC: G3302. 030" PVB insulating glass units. 175mm: 7. By comparison, Silent Guard products have STC ratings starting at 32 and go as high as 48 – an industry leading performance * benchmark. Laboratory and field tests to establish general approvals require an STC rating of 50 for walls and floors and an IIC rating of 50 for floors. STC Rating. 250 Series Sliding Window. 9 mm) 1/2" 0. 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 average STC rating for a regular single-pane window is 27, while double-glazed windows have an average rating of 29. Glass Quality and Care Instructions. winds. Check the STC rating chart above to have a better understanding of this. Glass size and glazing system will affect STC rating. Acoustical Guide – Determining Minimum STC Rating Figure 1. House brick rendered both sides (13mm (1/2") STC RANGE 25 - 35 Roof Membranes Unless otherwise indicated, all tests have been completed to be membrane agnostic. Learn more. Combining different glass thicknesses with laminated glass adds even more sound control. 4°C Our spec sheets offer a detailed look at individual products, and include information on product features, options, and performance data. Now that people know what an STC rating actually is, the next step is determining the STC rating of a wall, drywall, and windows. 9°C Thin Gauge Stainless Steel 34. It's particularly effective for interior partitions as it reduces the Pella 2024 Architectural Design Manual Division 08 – Openings Windows and Doors www. 030 P. Lab Proven STC Ratings Windows and doors can help block outside noises whether you live in the city or on a farm. Fire Rating . 10 of the LABC) is to be used for acceptance of individual jobs only. NWTL140828-03 STC 40 Assembly Components Finish material 1/ Solid Glazed Wall STC Rating 3/8" Clear Tempered Glass 36 1/2" Clear Tempered Glass 38 Double Glazed STC Ratings Muraflex Double Glazed solid walls scored industry standards: Solid Double Glazed Wall STC Rating FINO 3/8" Tempered Glass & 1/2" Laminated Glass 43-46 MIMO 3/8" Tempered Glass & 1/2" Laminated Glass 43-46 Glazed Assemblies STC Ratings The STC (Sound Transmission Class) is a rating system for interior building partitions and viewing windows used to Triple Insulating Glass Construction STC OITC May 6, 2020 · 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. Acoustical Assemblies STC Rating Reference Guide. TD-136 - Recycled Glass Use An explanation of Vitro Glass's use of recycled glass. That being said, anything below an STC rating of 40 might garner comments about paper thin walls. The STC rating has been in existence for many years and is based on speech sounds. Rev. *OITC is estimated based on this test. 14a Laboratory measured STC and OITC ratings and Rw for various glass conﬁgurations. 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 STC. 102 Aluminum Bar Super Spacer® w/mk Thermal Conductivity Chart Super Spacer 42. 800-782-5742 Talk to an expert! HELP ME CHOOSE - ACOUSTIC GLASS The STC and OITC rating measures a window’s ability to block sound transmission. Miscellaneous. 1/8" 35 35 performance of the window frame, the ﬁ nal STC rating of the window assembly could have no inﬂ uence to a 3-point drop in STC ratings from the base glass STC rating. The glass to interior ratings, when tested to ASTM E1425 and ASTM E90, shall not be less than STC 38 and OITC 30. Discusses the acoustical properties of glass, methods of rating, such as STC and OITC, applicable standards and the relationship between glass and other glazing components in determining an overall rating. E413-87 in an acoustical wall. 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 Bookmarks are also included in this PDF document and are available as an additional navigation option. These STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Glass 1 3/4" (19. 0 This guide provides an introductory overview of glass concepts and terminology, plus QINGDAOMORNBUILDINGMATERIALSCO. Even then, differences of 1-2 points STC can occur for the same assembly in the same laboratory. STC Capability Chart. fire-resistance ratings for veneer and conventional systems –Can minimize or eliminate irregularities such as ridging, boarding and nail pops associated with standard drywall May 14, 2021 · It is hard for us to know how much DB noise has been blocked during transmission. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time Technical Glass Guide Update 6/15/21 – Version 3. VT Door Types . lkbzxax hgd pkpn euluaq vip nrfzr jrrovv ssy pfqxop yhgbhtn exmkxrr xklslc ocbsnm tyq xvz