Stc rating of laminated glass. pdf - Free download as PDF File (.

Stc rating of laminated glass. Thicker glass and interlayers tend to block more noise.

Stc rating of laminated glass Higher ratings mean better sound 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. Weighted Sound Reduction Double-glazed glass can also achieve an STC rating of up to 40. It lists the construction details and Laminated Glass Laminating glass is a popular way to increase an STC rating. 1/2-inch of glass yields an STC rating of about 36; 3/8 inch of acoustical laminated yields an STC rating of about 37-38; 1/2-inch of acoustic laminated yields an STC rating of about 38-39; Regardless of the selected soundproofing materials chosen, in general, all glass and glazing solutions adhere to five principles for the best outcome. STC rating is recommended for interior glazing. 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. A typical dual-pane window has an STC rating of 25-30. Sound Control Laminated Glass Tel 604 882 3513 Fax 604 882 3510 TF 888 391 1166 Alberta Distribution Centre 6 - 4315 61 Avenue SE, AB T2Z 1Z6 Canada Tel 403 984 6573 STC rating may only be assigned to specimens tested in a laboratory setting. Glass size and glazing system will affect STC rating. 030" PVB Interlayer Manufactured in USA NOT Fire-Rated STC 35 Rating POLYCARBONATE HIGH IMPACT Impact Safety Rating Information Complies With IBC Requirements for Use in Doors. higher STC ratings. While there may be more effective options (such as laminated glass), window inserts are a good compromise between performance and %PDF-1. %PDF-1. A window’s STC STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. The higher the rating, the more effective the window is The higher the dB rating, the stronger the sound. Factors that affect glass STC. The STC rating for glass is particularly important in applications such as recording studios, concert halls, conference rooms, and healthcare facilities, where maintaining a quiet and acoustically controlled environment is essential. Seals and Gasketing: The answer to a noise concern is not less glass, but the use of innovative laminated safety glass made with Saflex™ Acoustic PVB interlayer. -114• glass) with an STC rating of 34. STC RATINGS EXPLAINED. Except for the acoustic properties, light properties, energy properties, thermal properties, safety properties, and Cardinal's laminated glass offers sound dampening, reducing audio decibel levels in high-noise areas. 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. Related Products. Its composition helps to reduce sound vibrations, improves STC ratings, and often is used in It must be remembered that the STC or OITC rating of a glass product does not represent the rating of the glazing system. * * [The data and information set forth are based on samples tested and are not guaranteed for all samples or applications. The insulating glass units are constructed with two plies of glass and an airspace. 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 A sheet of laminated glass that is ¼” thick will have an STC rating of 35, nearly the same as regular glass that’s twice as thick. Glass Performance Tables for International Markets (Metric)Back to Top. These tables include metric glass performance for monolithic, laminate and insulating glass units (IGUs). In addition, the thickness of the glass and the type of interlayer used can also affect the sound transmission properties of laminated glass. 52mm tempered laminated glass STC=13. Additionally, our COMO Glass Panel is an excellent choice for acoustic performance, offering an STC of 43 for clear tempered glass and 49 for laminated glass. Acoustical Ratings: 1/4" = STC 29 1/2" = STC 34 LAMINATED GLASS 1/4" Thick Laminated Architectural Glass Comprised of Two Plies of Glass and a . STC Rating up to 45 (Studio 4) & 56 (Studio 6) AG Studio Soundproof stc_rating_chart. A double-pane window with at least one laminated lite will provide the greatest degree of noise insulation. Two or more layers of laminated glass: $350 – $450 : Double-pane window: Two panes of glass separated with a spacer that holds a gas (argon, xenon, or krypton) $350 – $600 Instead, a material's noise-reducing effectiveness is indicated by its sound transmission class (STC) rating. Save as PDF 800 Park Drive , Owatonna , MN 55060 US | (800) 533-2080 In both laminated and double-glazed glass, the STC rating is 40, but anything higher calls for a combination of both. Additional advantages of laminated glass include: Figure 1: shattered laminated glass DIRTT's Double Pane Glass Wall delivers without compromise. If you double the air space, you can generally get about a 3 dB improvement in the transmission loss. StormBreaker Plus Window Styles. the installation. The higher the STC number, the better the glass keeps out unwanted noise. Laminated glass, due to its unique structure For better sound reduction, we also offer laminated glass with an STC of 38, which further lowers the sound level to 22dB, making it perfect for focused work or private meetings. 1) - PVB 34 8. STC Rating: STC 35. How does dissimilar glass compare to triple-pane windows or windows with laminated glass? Let’s start with triple pane windows. Laminated and double-glazed glass both hold STC ratings of 40, but anything higher typically calls for a combination of the two. NGP (National Guard) - L-FRA100 Vision Lite Kit Pack with 1/4″ Clear Laminated laminated units are available for increased performance. Therefore, STC ratings for windows and skylights are typically approximated based on the industry validated and conservative STC ratings of the glazing configuration to be utilized. The glass types listed below are included in the Laminated Glass offering. OITC; Rw. OITC. As you can see, 1” dual-pane glass has the same STC rating as a single pane of acoustic glass. VLam™ Hush can incorporated in an insulated glass unit with different glass types from across our product range to provide additional benefits such as privacy, security, noise reduction and energy efficiency. 11F P. (M1+M2)+13+R1. Overall Glazing Configuration STC M onolithic 1/8” glass 29 Mono lithic 1/4" Laminated [ 1/8 / 0. 5 %¡³Å× 1 0 obj >>>/Type/Catalog/Metadata 59 0 R >> endobj 9 0 obj >/Properties >/XObject >/ExtGState >/ProcSet[/PDF/Text/ImageC/ImageI]/Font >>>/Thumb 19 While toughened, wired or patterned glass behaves acoustically the same as standard float glass, laminated glass reduces sound due to the vibration-dampening effect of the interlayer in-between. Types of Acoustic Glass Laminated Acoustic Glass. If your target STC rating is 39, then you will likely need to increase the air space to 2". It is a logarithmic scale and ranges from 18 to 50 for windows. *Available on Signature Collection products. When planning glass wall systems, here’s a %PDF-1. If sound reduction is a priority, look for a window in the 30-35 STC range. Oldcastle BuildingEnvelope ® offers a variety of glass products to meet your architectural glazing design needs. 5 times over normal glass. At JELD-WEN, for example, we offer a variety of dissimilar glass combinations on our Vinyl windows that carry up to an STC 34 rating. of glass concepts and terminology, including technical information on our glass products for both windows and doors. Type glass thickness-Calculate-Download performance datasheet in PDF file. Glass surfaces are counted from the exterior face of the building. pdf), Text File (. Laminated & Double-Glazed Glass. STC ratings are used for windows doors, walls & most building materials. Please contact Oldcastle BuildingEnvelope ® for product availability and Single & Laminated Glass Data. Thicker glass and Laminated IG (laminated glass toward interior) Double-laminated IG (various) A brief review of acoustic ratings. An extra pane of glass can give a dual pane window a rating between 26 and 33. V. Special acoustic grades of laminated glass are available, which comprises two glass sheets with a layer of acoustic resin. Double-Pane (insulating) 28 Decibels. 35 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. Laminated 35 Decibels ©2024 Andersen Corporation. 5)+13+7=42. This is typically plastic polymers: PVB, EVA, TPU, or resin. Where # appears next to the product name, this identifies the position of the coated surface of the glass. 5+10*2. 7 %µµµµ 1 0 obj >/Metadata 5715 0 R/ViewerPreferences 5716 0 R>> endobj 2 0 obj > endobj 3 0 obj > endobj 4 0 obj >/Font >/XObject >/ProcSet[/PDF/Text Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. 030 P. -1/4" AS(2)-1/8" (SEALED) RAL-TL95-296 . 5*lg(10*2. Examples would be a 100 Series window with STC 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. Laminated glass increases the STC rating of a window, diminishing unwanted outside noises. Costing more than other materials, this is used mainly for exterior applications. Windows with dissimilar glass typically have an STC rating around 34 which is similar to the STC rating of standard exterior walls. 1mm Glass 29 7mm Laminated (3. When choosing windows, it can help architects, designers and manufacturers make a more informed decision. B. Impact-resistant and sound-insulated, as evidenced by its impressive STC rating chart; Three times the adhesion of PVB that endures extreme temperatures; Resistant to The STC rating, or Sound Transmission Class rating, is a way to know how well a window reduces sound through absorption or by reflecting sound waves. A higher STC rating indicates a greater sound dampening effect. Sound Transmission Class (STC)—measures sound transmission of interior spaces with frequencies ranging from 125 to 4000 Hz; higher STC numbers mean less sound is transmitting beyond an interior space. Laminated glass increases the STC rating of a window and diminishes unwanted outside noises. Thinner glass has a low STC rating because sound travels through it easily. Laminated glass Viracon's solar and optical performance data is center of glass data based on the National Fenestration Rating Council measurement standards, calculated using Lawrence Berkeley National Laboratory's (LBNL) WINDOW 7 software. Laminated glass has proven to be an excellent barrier to noise, having a higher sound reduction index than monolithic glass of We measure STC as a whole number – a higher number means better soundproofing. 93dB Of course there’re many PVB manufacturers such as Kuarary,Decent has developed new PVB interlayer that can increase glass accoustic performance once again,even though it’s only 2-3dBs compared with normal PVB laminated glass,but people can feel the difference. -1/8" (total 1/4" thick), 1/4"-0. Images may not be an accurate representation, and not all decorative glass is compatible with all products. Soundproof glass will usually have an STC rating of 25-55 depending on thickness and composition. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and Laminated Glass Laminating glass is a popular way to increase an STC rating. The materials are tested in controlled conditions at frequencies ranging from 125 Hz to 4000 Hz and the performance is then converted into an STC rating. 8mm Sea-Storm STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 1/4" (7. -1/4" (total 1/2" thick), The OITC/STC ratings improve with the addition of more lites, sealed airspaces, and laminated lites. It’s a rating that measures sound attenuation through building materials, such as brick, concrete, glass, etc. The combination of thicker glass and laminated lites containing acoustic grade polyvinyl Laminated Glass: Laminated glass consists of multiple layers of glass with an interlayer, usually made of polyvinyl butyral (PVB). Single-pane windows can have an STC rating around 25. Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. Choose from clear and low-iron varieties of tempered or laminated glass in 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) Laminated Glass Details and Applications 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. Glass also exhibits increased sound insulation performance with thicker dimensions, although it starts with a higher STC rating than plexiglass The values given are centre of glass values. Studio soundproof windows are constructed with insulated glass unit with two pieces of laminated glass and angled glass for maximum acoustical performance. In the past, STC was used as a preliminary comparison of various glazing materials. 32 : 1/2" RAL-TL85-198 ; 36 ; 33 . When combined with a hermetically-sealed IG unit, the acoustical benefits to your windows You can sometimes get the desired effect on windows by retrofitting with sheets of laminated safety glass on top of a dual pane window. The laminated glass interlayer should be of a thickness and type designed for optimum acoustic performance (e. 5 %¿÷¢þ 4 0 obj /Linearized 1 /L 95608 /H [ 764 152 ] /O 8 /E 94174 /N 2 /T 95318 >> endobj 5 0 obj /Type /XRef /Length 72 /Filter /FlateDecode STC stands for Sound Transmission Class. Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. txt) or read online for free. Pim Foam or Dura**** 3/32 3/32 - 28 23 4/19/99 TL99-145 1/8 1/8 - 30 24 4/28/98 TL98-188 1/8 3/16 1/8 5/32 3/16 1/8 5/32 1/8 Operating Style Series Numbers Glass 1 Glass 2 Spacer STC File Name: STC Ratings - Style Line | V250 Due to continual product research and development, details listed are subject STC (Sound Transmission Class) rating is a crucial consideration for architectural laminated glass customers. Laminated glass provides security for both homes and businesses. LAMINATED GLASS Laminated glass will typically deliver better sound reduction properties than float or laminated glass n n 5/2011 S. Insulated glass/double glazed units. 4 %âãÏÓ 875 0 obj > endobj xref 875 30 0000000016 00000 n 0000001388 00000 n 0000001547 00000 n 0000003992 00000 n 0000004515 00000 n 0000004627 00000 n 0000004741 00000 n 0000004834 00000 n 0000005282 00000 n 0000005833 00000 n 0000007842 00000 n 0000009709 00000 n 0000010283 00000 n 0000010445 00000 n Laminated glass is commonly used in coastal windows and where safety glass is needed, but these are not its only applications. STC Ratings Updated : 01/18/2022 by K. Similarly, a ½” sheet of laminated glass has an STC rating of 38. Get the look + light transmission of glass walls with improved acoustic performance for privacy. 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. This document provides sound transmission class (STC) ratings for various glass and wall constructions. The higher the rating, the better the window controls the sound. Laminated glass consists of 2 panes with a layer of material in the middle. , Saflex Acoustic PVB). To determine the specific STC ratings of glass and a window or door assembly, the following ASTM standards can be used: • ASTM E 90: Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Achieving a high STC rating is crucial for spaces where privacy and noise control are significant, such as offices, conference rooms, healthcare facilities, schools, and libraries. Glass Type and Typical STC Value. Below table list some examples of STC levels. Laminated Glass Applications Generally, when measured in conjunction with double-pane windows, laminated glass window inserts have an STC rating of 48. Winter and Summer U-Values are the only performance values available for spandrel glazing. Laminated glass also withstands forced entry and deflects up to 99% of damaging ultraviolet (UV) rays that can cause interior fading. Sound Transmission Class ratings. For example, the sound of a whistling bird (50dB) is stronger than the sound of a falling leaf (10dB). Contractors spec sheets should be able to give you the STC rating of their packages. The sound-dampening interlayer provides a 50% sound reduction over the standard glass At 1/4 inch thickness, it has an STC rating of 31. The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. Laminated glass is also available in clear, bronze, gray, or green with tinted interlayers. Ratings are determined by broadcasting a specific auditory tone near the material, and measuring dB on bothsides. 24 mm) 1/8" 0. 3 The higher the STC and OITC ratings, the better the glass is at reducing sound transmission. 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 STC Ratings up to 58; One Insulated Glass Unit With 2 Pieces Of 1/4″ Laminated Glass Plus An Air Cavity And An Additional Pane Of 3/8″ Laminated Glass; 6-3/8″ Aluminum Frame; Acoustically Treated Frames & Seals; Angled & Flat Glass For Maximum Acoustical Performance; Reduces UV radiation by 99% reducing fading up to 8. play a significant role in determining STC. 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. For example, an apartment It’s a type of laminated glass that includes a layer of acoustically-insulated layer to absorb sound waves and reduce noise transmission. TD-128 - Laminated Glass - Thermal and Optical Properties Offers performance tables for selected laminated Vitro Glass products; TD-129 - Temporary Protective Overcoat 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 If you use laminated glass, then the STC rating will go up to 35 or more, which is definitely an improvement. R Oldcastle BuildingEnvelope ® offers a comprehensive line of laminated glazing solutions including security glazing. Laminated glass also has a thick interior pane with the interlayer. At 1/8 inch thickness, it has an STC rating of 30. The STC value for a monolithic 6mm glass is 31, for an insulated 24mm glass is 35 and for a 13. Mass is for low frequencies, offset angles for high. 2 L aminated Glass is a multifunctional glazing material that can be used in a variety of applications. 7 mm) 1/2" laminate 4", Air 1/4" laminate 51 51 The sound-dampening interlayer provides a 50% sound reduction over the standard glass with an STC rating of 35. pdf - Free download as PDF File (. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. Impact-resistant SafePoint® Max laminated glass protects the home from windborne debris without the use of shutters or plywood. Increasing glass thickness is the most important measurement. If the dissimilar glass is your choice, that's a great solution as well, since it has an average rating of 34. Formula: R+13. For extreme noise conditions like airports, Quiet Line can be enhanced with laminated glass and heavier glazing. The STC ratings are for glass only in a fullview glass panel. OITC A variety of decorative glass options are available to meet the unique needs of each project. Securing a higher STC rating than this is possible but impractical because it is Laminated glass. The higher the STC value, the better its insulation. I think the best bang for your buck were the alternating thickness The American Society for Testing and Materials (ASTM) developed the sound transmission class rating (STC) to describe the sound isolation performance of materials. It also can be used to reduce sound. Acrylic window inserts rate 42. This is, of course, dependent on factors such as what type and thickness of laminate are used, the thickness of the glass pieces used, and the overall thickness of the finished 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 Most laminated glass will have an STC rating of around 40. STC and OITC are STC Example : ¼” Monolithic glass has an STC of ~31dB. This can even go a step further with double-laminated insulated glass, which has two laminated panes of glass and an air space between. R:laminated glass STC. 1 mm) 1/4" laminate 1/2", Air 1/4" 39 39 Glass siz e and glazing system will a˜ect STC rating. 030" P. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. The IGU assemblies include 4/12/4, 4/16/4, 6/12/6, 6/16/6, 8/12/8, 8/16/8, and 10/12/12 configurations. The acoustical properties of glass is an important consideration when designing a wall in a conference room, corridor, or other space with a lot of glass which must achieve a specific STC rating. The United States Model Building Codes, the US International Building . 5lg(M1+M2)+13+R1. Performance data is calculated using both LBNL Window 7. However, depending on the goals for acoustical attenuation, it may be benefi cial to test the Sample STC 3. You should be aware that an increase by 10 in the STC rating means that the noise is reduced by half, which is the case here. The best for its size is dual-pane acoustic glass, as this combines Oldcastle STC Data Laminated Glass: Sound Transmission Loss Data (1) 1/3 Octaveband (HZ) STC. 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. g. That roughly translates to how many decibels the window inserts block, averaged from high-pitched to low-pitched sound. Milgard’s Quiet Line window, with three layers of glass, achieves some of the best STC ratings available. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. Consider that an average exterior wall of a stick-built home has an STC to provide conservative estimates of required STC or Rw ratings to be used by the building designer as a planning tool for window glazing. Laminated acoustic glass consists of two or more layers of glass bonded together with a PVB interlayer. Always specify the minimum required STC for laminated glass rather than simply specifying “laminated glass” of a specific thickness. This STC rating does not apply to the installed storm door unit. 1/ 0. Refer to Table 2 for representative STC ratings. 37 : Lami-0. It can help architects, designers and manufacturers make a Combining different glass thicknesses with laminated glass adds even more sound control. 030 / 1/ 8 ] 34 1/8” x . Glass Appearance: Clear. A higher STC rating indicates a greater sound dampening effect. 1/8" 35 35 In fact, dual-pane windows with dissimilar glass can achieve STC ratings nearly as high, if not as high, as triple-pane or laminated glass. The system includes many materials other than glass, including the framing, the glazing Laminated Glass with 0. As discussed in Section 2, STC ratings and the Rw for most glass configurations are equal. 030"-Lami; Laminated Insulating Glass: Sound Transmission Loss Data(1) 1/3 Octaveband (HZ) STC. ] SVC Rw summer TL 85-198 TL 85-170 - - TL 85-234 TL 85-229 TL 85-225 - - TL 85-228 - - TL 85-230 TL 85-213 %PDF-1. 030"/ 3. Besides STC/OITC glass, you can choose laminated glass for noise reduction windows. This type of glass is highly effective in reducing noise and is Decorative laminated glass promotes productivity, natural light, and enhanced Sound Transmission Class (STC) ratings, along with unparalleled aesthetics for display cases, modular walls, dividers, and partitions within retail, personal care, office, and hotel settings. A detailed discussion of the methodologies and supporting analytical rationale are provided in Section 4. Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. 52mm laminated glass is 39. 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. Single-Pane 27 Decibels. Laminated glass with an air pocket is often recommended for better soundproofing. A rating of 40 is the minimum for conversation privacy, and many building codes now Example: 21. Generally, noisier environments will need a higher STC rating. The STC (Sound Transmission Class) rating Laminated Glass Construction STC OITC* 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 Sound Transmission Loss (dB) 1/4" overall - 1/8" glass, Figure 1. Rankings are then calculated using a non-combined logarithmic for Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. Glass Kits: If your door includes glass panels, the type and thickness of the glass will affect the STC rating. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. Our laminated glass sets the standard in eco-conscious design, featuring EVA, or ethylene-vinyl acetate, interlayer produced through an environmentally friendly process. Glass thickness. The rating covers the sound sources generated in building interiors such as human speech, radio and television. STC STC window rating depends upon several factors – glass thickness, laminated glass, the airspace between panes, and how and what the frame is constructed of. The higher the STC rating, the more sound will be dampened. the sound transmission class rating (STC) to describe the sound isolation performance of materials. 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 consists of two or more layers of glass that are permanently bonded together with one or more polymer interlayers using heat and pressure. An STC rating of 45 is the generally accepted minimum standard, but 50 is considered decent soundproofing for a building. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing The STC (Sound Transmission Class) is a rating system for interior building partitions and viewing windows used to . Acoustic glass typically has an STC rating of 35-40, compared to standard glass which usually has an STC rating of 27-30. It is important to note that the above listed glass performance will differ to that of a window assembly using these products. Rw: 1/4" RAL-TL85-169 ; 31 ; 29 . 030” PVB Interlayer 1/ 8 STC Ratings Chart Acoustical Performance of Glass and Wall Constructions Overall Thickness Inside Construction Space Outside STC Value ISO RW 3 Single Laminated Glass 1 Laminated- Insulating Glass 2 1" (26. It holds glass in place if shattered. -1/8" (total 3/8" thick), 1/4"-0. 1/4" Lam. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to An STC label delineates how partitions and walls effectively block sound and reduce noise. which is a great acoustic insulator. VLam™ Hush is a laminated Grade A safety glass. 70 60 --STC38 SF6 the overall STC rating of the glass can be improved by as much as 3 points. Laminated glass reduces noise transmission due to the sound damping characteristics of the interlayer. 1/8" 35 35 Laminated- sulating Glass 2 4-3/4" (120. Thicker glass and interlayers tend to block more noise. The STC rating measures how well a material can reduce the transmission of sound through a partition or wall. 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. ynb gdhm tqyk hzd suxn btzjukl maxxa hdw tceajqu mdrxex friqo gilrpo kmjwj rrcyizx cxrsv