Laminated glass stc rating chart. 57 psf wind pressure) 0.
- Laminated glass stc rating chart Glass Impact Safety Rating: ANSI Z97. STC Rating Chart For Windows. When using insulating glass units, there are several options available, including increasing glass thickness; increasing the air space; evaluating different gas fills, spacers and sealant materials; and using different glass thicknesses for individual glass lites or a laminated component for one or both of the lites. Window STC Rating Chart. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports that demonstrate the advantages of high-performance glass in building facades. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. UPDATED; TD-138 - Heat Treated Glass for Architectural For a typical single pane window you can expect a STC Rating of 18-20. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. 5*lg(6*2. Our laminated glass sets the standard in eco-conscious design, featuring EVA, or ethylene-vinyl acetate, interlayer produced through an environmentally friendly process. How SoundPro works. Sound Transmission Class ratings. Refer to Table 2 for representative STC ratings. Read more about the tools below The laminated glass helps reduce sound more effectively than non-laminated dual-pane glass. 5 psf. All performance data is calculated using LBNL Window 7. Sound Reduction: Most exterior noise finds its way inside by taking the path of least resistance, typically through any window glass. 76 , 13. This ‘dip’ means more noise is let through at these frequencies Combining different glass thicknesses with laminated glass adds even more sound control. All data This table compares Vitro Architectural Glass product performance data when assembled in a one-inch (25 mm) insulating glass unit with a ½-inch (13 mm) air space and two ¼-inch (6 mm) lites. The cost, however, may be prohibitive. 22. Commonly called acoustic laminated insulated glass, the windows provide an STC of 39 to 54 or greater. Costing more than other materials, this is used mainly for exterior applications. 34 3. Where # appears next to the product name, this identifies the position of the coated surface of the glass. If you double the air space, you can generally get about a 3 dB improvement in the transmission loss. Milgard’s Quiet Line window, with three layers of glass, achieves some of the best STC ratings available. Glass Thickness: 1/4" Glass STC Rating: 35. 5lgM+13 R:Monolithic glass STC M:Glass density. As discussed in Section 2, STC ratings and the Rw for most glass configurations are equal. *OITC is estimated based on this test. The monlithic glass is one lite of glass. Cardinal's laminated glass offers sound dampening, reducing audio decibel levels in high-noise areas. However, standard PVB is a soft polymer that starts to creep under long-term loads. 52 39 20. 10. 566. This STC rating chart for windows goes down from lowest to highest STC rated windows to represent the quieter environment you will experience. 38 34 8. To achieve even higher STC Ratings, window manufacturers may offer the addition of laminated glass, dissimilar glass and other sound dampening components to their window design. Glass size and glazing system will affect STC rating. Jul 5, 2023 · Thinner glass has a low STC rating because sound travels through it easily. -114• glass) with an STC rating of 34. SoundPro calculates glass usage by performance or glazing configuration. info. There are different ways to improve the STC rating of windows. 87dB. 38 0. Consult The charts below show comparisons between various types of glass and insulated glass units and also between the Rw, Rw+C & Rw+Ctr indices. 21 0. 76 , 17. Laminated Glass Applications 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. VT Door Types . 1/4” (6mm) monolithic glass has an STC rating of 31 1/8” x . Therefore, laminated safety glass produced with PVB interlayer provides excel-lent protection against, for example, the effects of vandal-ism, hurricanes or explosions. 38 40 OA Glass 1 Glass 2 Acoustical Ratings - Ultra I C650 updated 04. V. , Saflex Acoustic PVB). 52mm laminated glass is 39. -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 A Mon-Ray high performance storm with 3/16" or 1/4" laminated glass over a single pane window with single or double strength glass will have a combined STC of 40 to 43. 70 60 --STC38 Laminated IG (laminated glass toward interior) Double-laminated IG (various) Reports are generated in Eastman format and serve as guidance only. Frame Fasteners #8 x 1" Flathead Phillips SMS – Included. glass@nichollsandclarke. Performance targets are selected based on acoustic ratings, and results are revealed immediately. STC . Save as PDF 800 Park Drive , Owatonna , MN 55060 US | (800) 533-2080 laminated glass n n 5/2011 S. STCratings have been determined from TL data using ASTME413. 76 33 8. Is Complete Soundproofing Possible? Our STC rating chart above only goes to 50 because STC rated windows are in that range. 57 psf wind pressure) 0. 17. Outdoor-Indoor Transmission Class (OITC) – applicable to exterior walls (including doors and windows) where the Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. . The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. 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 Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. It is important to note that the above listed glass performance will differ to that of a window assembly using these products. The higher the STC rating, the more sound will be dampened. Glass size and glazing system will affect STC rating. 250 7/8" 3. Door Location 6601 NE 112th Court Vancouver, WA 98662. This is different from the rating of that same glass once included into a window frame. 597. The performance data below applies to laminated glass units constructed with two plies of glass and an interlayer. Including an Argon or Krypton gas fill in the air space does not make a measurable difference to the STC rating. Sep 21, 2018 · When looking at STC ratings for windows and doors be aware that the glass manufacturers publish values for the glass they produce. See in this video how laminated glass is made: 2 x 1/8" glass 2 x 3/16" glass 2 x 1/4" glass Thickness Weight Thickness Weight Thickness Weight Product # Description Test inches LBS/FT2 inches LBS/FT2 inches LBS/FT2 411000 Laminated glass Small 0. com 0845 6051350 Single Glass Rw Rw+C Rw+Ctr 6. 400 Series Frenchwood® Hinged Patio Door Hardware (Trim Set) Exploded View 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. (cfm / ft 2 of frame @ 1. 1/4" laminated glass & wood stops . Feb 10, 2014 · An easy way to get a better stc rated window is to add dissimilar glass. 38 32 6. 0. Sound Transmission Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. To determine the specific STC ratings of glass and a Here we introduce a simple formula to calculate the glass STC-sound transmission class. 060 PVB Missile 412000 Laminated glass Large 0. The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. Glass Type: Clear Laminated Glass. 030” PVB Interlayer 1/ 8 STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Laminated- sulating Glass 2 4-3/4" (120. Laminated Glass. Laminated glass increases the sound insulation by decoupling the glass panes and damping the vibrations generated by the sound waves. 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. 52 37 16. Estimated. Design Pressure: 30 - 50 psf. STC: OITC: Rw: 1/4″ Structural Charts. Pim Foam or Dura**** 3/32 3/32 - 28 23 4/19/99 TL99-145 Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name Mar 3, 2023 · Your STC rating is the result of your calculation. 76 , 9. Created Date: 8/13/2012 8:52:06 AM Dec 22, 2022 · Standard walls in most homes are 33 STC, while studio-level soundproofing requires a rating of at least 45. 44 5. 10: 0. Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. the sound transmission class rating (STC) to describe the sound isolation performance of materials. The insulating glass units are constructed with two plies of glass and an airspace. Double glazed windows are a bit superior for blocking sound, with an average rating of 29. Laminated glass can have STC ratings of 40 or more. 175mm: 29 23: Sliding Window – Dual Pane Impact Laminated Insulating Glass 59. Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. A common way to accomplish this is to use laminated glass. Factors that affect glass STC. Glass Product Type and Thickness STC Rating OITC Rating Monolithic 3/ 32 ” 26 - 1/ 8 ” 29 - ¼” 31 29 ½” 36 33 Sealed Insulating Glass Units 1/ 8 ” glass + ¼” air + 1/ 8 ” glass 28 26 ¼” glass + ½” air + ¼” glass 35 28 ¼” glass + 1” air + ¼” glass 37 30 Laminated Glass with 0. Download. STC RATINGS EXPLAINED. STC STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Laminated- sulating Glass 2 4-3/4" (120. The STC and ISO RW values indicate the acoustical performance ratings, with higher numbers indicating better sound Feb 11, 2025 · If meeting an architectural specification that requires, for example, an STC 35 instead of the STC 34 you might meet with dissimilar glass, laminated glass may be necessary. Laminated Glass Construction STC OITC 100 125 160 200 250 315 400 shear forces) due to the glass sheets. 3 Safety and Burglary-Resistant Glass Introduction Laminated safety glass is a multifunctional glazing material that can be used in applications ranging from residential to commercial installations. The sound attenuation properties of a glazing type will be achieved with the plastic interlayer absorption of sound transmission of a laminated glass or else with the isolating air space of an insulated glass. 47 5. Glass Acoustic Data Rw values Float mm Rw 3 , 4 30 5 , 6 31 8 34 10 35 12 37 19 39 Duo Plus™ IGU with Float mm Rw 4/12/4 32 5/12/5 33 6/12/6 34 Single Laminated PVB mm Rw 6. Even if the glass is damaged, it remains securely in its frame, keeping the elements outside. Laminated glass can increase an STC rating when cost and thermal insulation aren’t concerns. Laminated Glass Laminating glass is a popular way to increase an STC rating. When combined with a hermetically-sealed IG unit, the acoustical benefits to your windows STC Example : ¼” Monolithic glass has an STC of ~31dB. OITC* Frequency (Hz) 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000. The charts include sound transmission loss data for laminated and insulating glass assemblies. Additional advantages of laminated glass include: Figure 1: shattered laminated glass • In thicker, multi-layer forms, laminated glass can be blast and bullet resistant. laminated glass is considered “safety glass” because it meets the requirements of the various code organizations that set standards for safety. Laminated & Double-Glazed Glass. For glazing that is installed within a building interior, the Sound Transmission Class (STC) rating may be a more appropriate measure, as it describes the approximate decibel level reduction for the sound of human speech. 7 mm) 1/2 Laminated glass is a proven, effective solution for acoustical protection. 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. -1/4" (total 1/2" thick), 1/4"-0. The final STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. 1/8" glass + . Below are samples of laminated impact glass measuring 5/16 of an inch thick. of acoustic glass with high ratings. The STC rating E413-87 in an ac oust ical wall. If thicker glass material is used, the rating can go up to 35. Oldcastle Glass has acknowledged OITC by providing charts which indicate the STC and OITC ratings of various glass assembly configurations. 8mm Laminated Safety Glass 34 dB 33 plastic layer and remain largely intact, reducing the risk of injury. Glass Appearance: Clear. winds. 31 3. Argon fill is 90% STC Capability Chart. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. Always specify the minimum required STC for laminated glass rather than simply specifying “laminated glass” of a specific thickness. Double-glazed glass can also achieve an STC rating of up to 40. Seals and Gasketing: Even the highest-rated door will perform poorly without effective We would like to show you a description here but the site won’t allow us. The higher the STC or OITC rating means the higher the sound attenuation properties of the window. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 STC Ratings Chart. Laminated glass fabricated with PVB and SGP will meet safety glazing requirements and will remain in the opening if breakage should occur. 11F P. 38 35 11. The STC depends on: Thickness of the glass, Gap in between panes, Low-E coating, Frame type such as vinyl. Be advised, though: laminated glass can add between 30 percent and 50 percent to the cost of the window, making it a fairly impractical solution from a cost perspective. For instance, in residential buildings located in noisy urban environments, selecting glass with a higher STC rating can significantly improve occupant comfort by reducing Fire Rating: None. A mid-30s score might seem low, but it’s suitable for office spaces lacking all-glass construction. Sound Control Sell Laminated- Insulating Glass 2 4-3/4" (120. 090 PVB (roughly 3/32") + 1/8" glass = 5/16" glass The values given are centre of glass values. STC. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, and various wall constructions. The ratings would be. Off the charts! Further Educational Information for You! The higher the STC rating is in number, the better. 13/16" overall - 1/2" glass, . Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. -1/8" (total 3/8" thick), 1/4"-0. 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. Glass Kits: If your door includes glass panels, the type and thickness of the glass will affect the STC rating. g. V. Call: (360) 334-4107 Jan 2, 2025 · Tempered Glass vs. 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 May 30, 2024 · STC is a widely recognized measure for sound insulation in windows and doors, focusing on human speech frequencies. Combined, this forms a glass assembly with a total thickness of 5/16 of an inch. 75 0. The laminated glass units are constructed Technical Glass Guide Update 6/15/21 – Version 3. Dec 31, 2024 · Gaps or weaknesses in the frame can compromise the STC rating. While the primary focus is on residential applications, much of the information can be used to gain a better understanding of glass performance in all types of buildings. 7 mm) 1/2 Jun 16, 2023 · Laminated Glass: Laminated glass consists of multiple layers of glass with an interlayer, usually made of polyvinyl butyral (PVB). 58 0. It is manufactured by permanently bonding two or more lites of glass with layers of polyvinyl butyral (PVB) interlayer, under heat and pressure, to create a single construction. Two common acoustical rating systems are: Sound Transmission Class Rating (STC) – applicable to interior building partitions and viewing windows where the sound source is human speech and/or office equipment. 9375mm 32: 26 Hurricane Shield Series laminated glass 5/2011 S. The table below displays the average window STC rating chart as well as some range of noise levels that are audible at that rating: May 14, 2021 · Choose glass thickness-laminated glass or single glass (interlayer or no interlayer)-Cavity/Spacer (1mm-30mm)-Gas Filling (Air/Argon/Krypton) laminated glass or single glass (interlayer or no interlayer)-Predict-Value Type (RW/STC/OITC Data)-Results Download 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. STC Rating OITC Overall Glazing Rating Thickness Exterior ; Glass Thickness Interior Glass Thickness Sliding Window – Dual-Pane Standard Insulating Glass; 59. Stc rating of laminated glass 03" interlayer, 1/8" glass 3 6 Same as above but with 0. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time 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 opening of an assembly is the weakest point for sound transmission. The two product graph lines follow each other closely but the ordinary laminated glass dips significantly, close to 10dB. Frame Construction: 18 Gauge Cold Rolled Steel. 00 with . B. Variations could affect the STC rating of the opening. 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 a STC of 30 dB. 090 PVB Missile 452000 higher STC ratings. 175mm 3. 76 40 Duo Plus™ IGU with Laminated PVB mm Rw 6/12/6. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. See Section 3 for actual TLdata. When it comes to choosing a secure, safe and durable glass solution for a space, two options rise to the forefront- tempered glass and laminated glass. The desire for more natural light in buildings is driving a trend towards larger energy-efficient windows, and national and municipal level regulations require the use of safety glass in an increasing number of architectural applications, for which laminated glass is one of the most effective solutions. Laminated glass provides higher mechanical resistance and security benefits. -1/8" (total 1/4" thick), 1/4"-0. 52 , 12. 030" P. • Laminated glass can be drilled, cut and otherwise modified in the shop or field, increasing fabrication The document provides acoustic performance data tables for insulating glass, triple insulating glass, monolithic glass, and laminated glass constructions. Weighted Sound Reduction STC Example : ¼” Monolithic glass has an STC of ~31dB. 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. 5 psf: 4. Laminated Glass: Understanding the Key Differences and Choosing the Right Glass for Your Needs. Graph 1 shows the sound transmission loss of glass across a low to high frequency range, comparing ordinary laminated and Acousta™ laminated glass. 53 with . ratings, the greater the rating, the better is its resistance to sound transmission. R:laminated glass STC. The attached STC and OITC data is for glass only and that the final STC rating of the window assembly could vary because of the influence of the acoustical performance of the framing members and the construction of the window assembly. When planning glass wall systems, here’s a 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. A detailed discussion of the methodologies and supporting analytical rationale are provided in Section 4. 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. 125 x 47. A higher STC rating indicates a greater sound dampening effect. Estimated Glazing Type STC ¼” Tempered Safety Glass 31 ½” Tempered Safety Glass 36 ¼” Laminated Safety Glass 35 ½” Laminated Safety Glass 38 1” Insulated (¼” Lite, ½” air space, ¼” lite) 35 Source: Monsanto Acoustical Glazing Design Guide, 3rd Edition A leader in tools for the glass industry. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing The answer to a noise concern is not less glass, but the use of innovative laminated safety glass made with Saflex™ Acoustic PVB interlayer. 2. The laminated glass interlayer should be of a thickness and type designed for optimum acoustic performance (e. 250: 7/8" 3. 1, Class A; and CPSC 16 CFR 1201 Category II. This means one pane of glass is thicker than the other. 4. Both STC and OITC ratings inform your window or door selection based on sound insulation STC ratings are most reliable for everyday sounds, like speech and common household noises (500 to The average STC rating for a regular single pane window is 27. to provide conservative estimates of required STC or Rw ratings to be used by the building designer as a planning tool for window glazing. Glass surfaces are counted from the exterior face of the building. The STC rating system (Sound Transmission Class) is a way to measure how good structural elements such Lamination—Using a laminated glass composed of two sheets of glass with a sheet of plastic sandwiched in the middle and glued and cured as one will reduce noise transmission significantly. -1/2" (total 3/4" thick), panels caulked in place in single frame with wooden stops and glazing putty. 52 , 10. Ratings are calculated by broadcasting a stc_rating_chart. Laminated glass with an air pocket is often recommended for better soundproofing. 5 - 7. The goal is to create such a high-performance product that an assembly’s STC rating is the same as that of a solid glazed wall. Description. glass constructions only. It’s actually 2 pieces of glass with a piece of plastic in the middle. For example, compared to monolithic glass, laminated glass can reduce noise transmission by up to 10 decibels. 38 36 6/12/8. 4mm Laminated Safety Glass 32 dB 31 dB 29 dB 6. 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 May 22, 2022 · The best sound reducing windows have dissimilar laminated plates with a wider air gap between the glazing. Example:6mm clear tempered glass STC=13. 175mm: 7. As a result, two glass sheets laminated together using Laminated glass consists of two or more layers of glass that are permanently bonded together with one or more polymer interlayers using heat and pressure. Noise is one of the single most common complaints at hotels, condos, and other commercial properties. Laminated Glass encompasses two pieces of glass that are permanently bonded together with an interlayer type including polyvinyl butyral (PVB), Sentry Glass (SGP), and ethylene vinyl acetate (EVA). Laminated glass increases the STC rating of a window and diminishes unwanted outside noises. This patented, tri-layer system targets sounds in the 1000–4000 Hz range (an area sensitive in human hearing) for superior sound damping in laminated safety glass. OITC* Frequency (Hz) Laminated Glass Construction. Laminated glass is very effective in reducing the transmission of noise through glazing as it has a higher sound reduction index than monolithic glass (of equal thickness), particularly between 125Hz and 4000Hz. 5lg(M1+M2)+13+R1 R:laminated glass STC M1,M2:Glass panel density Jan 28, 2024 · The average STC rating for a regular single pane window is 27. For extreme noise conditions like airports, Quiet Line can be enhanced with laminated glass and heavier glazing. Glass thickness. 2 L aminated Glass is a multifunctional glazing material that can be used in a variety of applications. Oct 16, 2023 · LAM LAM acoustical ratings not available for this glass combination vertical slider 6210 6211 6230 6230J 6270 net 47" x 59" STC 28-33-->--> X 32 29 04/11/23 TL23-161 acoustical ratings not available for this glass combination TL23-110 X--> X 30 28 04/26/23--> X 33 28 12/12/22 TL22-247 TL22-246 acoustical ratings not available for this glass LAMINATED GLASS Technical Specifications • Safety, Shatter-resistant, retains fragments when broken • Sound Insulation (STC Rating), 35-45 dB • UV Blocking, Up to 99% • Light Transmission, 70-90% (depending on glass type and interlayer) • Impact Resistance, Conforms to EN 356 (P1A to P8B ratings) of glass concepts and terminology, including technical information on our glass products for both windows and doors. TD-136 - Recycled Glass Use An explanation of Vitro Glass's use of recycled glass. 060" PVB, 1/4" glass Laminated Glass Construction STC OITC 100 125 160 00 2 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 Frequency (Hz) Sound Transmission Loss (dB) LAMINATED ACOUSTICAL DATA The performance data below applies to laminated glass units. Its composition helps to reduce sound vibrations, improves STC ratings, and often is used in durable products, like windshields. 1. 3mm thick monolithic glass, glass STC is only 30Dbs,when glass thickness was increased to 12mm thick,glass STC can reach 36Dbs,whether it’s single piece monolithic glass,laminated glass,or insulated glass,the thicker total glass thickness,the better sound transmission loss. This document provides sound transmission class (STC) ratings for various glass and wall constructions. 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. Jan 18, 2022 · STC Ratings Updated : 01/18/2022 by K. The STC rating goes all the way up to 65. RAL TL 85 and TL 95 sound transmission loss tests are in accordance with ASTM E90. Typical dual glazed windows can achieve better ratings of 25-27. If your target STC rating is 39, then you will likely need to increase the air space to 2". For this reason, STC (Sound Transmission Class) ratings have become a primary consideration when choosing doors for large-scale projects. See additional notes below data for specific Laminated glass is two or more layers of glass permanently adhered to one another with one or more polymer interlayers in a thermoset, high-heat process. Monolithic glass Formula: R=13. 8mm Laminated Safety Glass 33 dB 31 dB 29 dB 10. Laminated glass Formula: R+13. 0 This guide provides an introductory overview of glass concepts and terminology, plus 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. Water Resistance: 4. 3 software and represents center of glass performance data. STC ratings are used for windows doors, walls & most building materials. The combination of a laminated glass assembled in an insulated unit will maximize Glass Performance Data Values are center of glass calculated using LBNL Window 7 per NFRC100 conditions. How to compare sound performance There are two common measures of sound performance that you’ll come across: STC and OITC. 38 36 12. Fire Rating . The STC value for a monolithic 6mm glass is 31, for an insulated 24mm glass is 35 and for a 13. VT's Sound-Resistant STC Doors. 5)+13=28. 30 - 50 psf Some STC ratings of common window assemblies are listed below. OITC, on the other hand, covers a broader frequency range (80 to 4000 Hz), including lower frequencies often associated with external noise. Laminated glass is like the windshield of your car. Increasing glass thickness is the most important measurement. How to Increase Window STC Rating. Frame Profile: Low. All model building codes require that the glass used in certain locations, such as doors, sidelites, Oct 27, 2024 · The comparison of acoustic properties between laminated glass and other types of glass further demonstrates the superiority of laminated glass in sound insulation. 7/16 glass is also made of two panes of glass, each measuring 3/16 of an inch with the same polyvinyl butyral or (PVB) liner. Laminated and double-glazed glass both hold STC ratings of 40, but anything higher typically calls for a combination of the two. Laminated glass provides security for both homes and businesses. with a lot of glass which must achieve a specific STC rating. Heat-strengthened and tempered glass can be incorporated into laminated glass units to further strengthen the impact resistance. It can help architects, designers and manufacturers make a Mar 22, 2024 · Understanding the STC rating of glass is crucial for architects, builders, and designers when selecting glass products for projects where sound insulation is a priority. 24 Page 1 of 7 Glass 3 Spacer STC OITC Test Date Test Number Operating Style Series Numbers Laminated Glass Laminating glass is a popular way to increase an STC rating. jjog xmk faej xrtnok yezoq cfn bxikmd oktpr hafqvg lps afsw rqnjjdf lrnefaa pppmnt prkru