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Stc rating of laminated glass Formula: R+13. , Saflex Acoustic PVB). 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. When planning glass wall systems, here’s a %PDF-1. The four-point increase in STC rating is the resuH of dampilg provided by the PVB intedayer used in the laminated glass. The system includes many materials other than glass, including the framing, the glazing Laminated Glass with 0. Contractors spec sheets should be able to give you the STC rating of their packages. 1 mm) 1/4" laminate 1/2", Air 1/4" 39 39 Glass siz e and glazing system will a˜ect STC rating. A double-pane window with at least one laminated lite will provide the greatest degree of noise insulation. 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. -1/4" AS(2)-1/8" (SEALED) RAL-TL95-296 . Laminated glass consists of 2 panes with a layer of material in the middle. 37 : Lami-0. 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. This is typically plastic polymers: PVB, EVA, TPU, or resin. 70 60 --STC38 SF6 the overall STC rating of the glass can be improved by as much as 3 points. A rating of 40 is the minimum for conversation privacy, and many building codes now Example: 21. 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. Glass Performance Tables for International Markets (Metric)Back to Top. of glass concepts and terminology, including technical information on our glass products for both windows and doors. Laminated glass is also available in clear, bronze, gray, or green with tinted interlayers. 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. Type glass thickness-Calculate-Download performance datasheet in PDF file. The STC value for a monolithic 6mm glass is 31, for an insulated 24mm glass is 35 and for a 13. 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. 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. Laminated acoustic glass consists of two or more layers of glass bonded together with a PVB interlayer. 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. 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. Impact-resistant SafePoint® Max laminated glass protects the home from windborne debris without the use of shutters or plywood. play a significant role in determining STC. 5lg(M1+M2)+13+R1. 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. 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. 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. Performance data is calculated using both LBNL Window 7. Glass size and glazing system will affect STC rating. -1/8" (total 1/4" thick), 1/4"-0. Laminated Glass Applications Generally, when measured in conjunction with double-pane windows, laminated glass window inserts have an STC rating of 48. Single-pane windows can have an STC rating around 25. 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). Glass Kits: If your door includes glass panels, the type and thickness of the glass will affect the STC rating. Glass thickness. 030 P. ] 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. 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. R Oldcastle BuildingEnvelope ® offers a comprehensive line of laminated glazing solutions including security glazing. 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 Laminated glass will typically deliver better sound reduction properties than float or laminated glass n n 5/2011 S. Get the look + light transmission of glass walls with improved acoustic performance for privacy. -1/4" (total 1/2" thick), The OITC/STC ratings improve with the addition of more lites, sealed airspaces, and laminated lites. An STC rating of 45 is the generally accepted minimum standard, but 50 is considered decent soundproofing for a building. 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. Glass Type and Typical STC Value. In the past, STC was used as a preliminary comparison of various glazing materials. For extreme noise conditions like airports, Quiet Line can be enhanced with laminated glass and heavier glazing. At 1/8 inch thickness, it has an STC rating of 30. Increasing glass thickness is the most important measurement. Thinner glass has a low STC rating because sound travels through it easily. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. It can help architects, designers and manufacturers make a Combining different glass thicknesses with laminated glass adds even more sound control. 1) - PVB 34 8. Laminated glass provides security for both homes and businesses. 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. R:laminated glass STC. Types of Acoustic Glass Laminated Acoustic Glass. Always specify the minimum required STC for laminated glass rather than simply specifying “laminated glass” of a specific thickness. Insulated glass/double glazed units. 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. The United States Model Building Codes, the US International Building . 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. It lists the construction details and Laminated Glass Laminating glass is a popular way to increase an 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. 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. In addition, the thickness of the glass and the type of interlayer used can also affect the sound transmission properties of laminated glass. Oldcastle BuildingEnvelope ® offers a variety of glass products to meet your architectural glazing design needs. Costing more than other materials, this is used mainly for exterior applications. 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. 030 / 1/ 8 ] 34 1/8” x . 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. 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 . 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. Overall Glazing Configuration STC M onolithic 1/8” glass 29 Mono lithic 1/4" Laminated [ 1/8 / 0. 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 . Acrylic window inserts rate 42. 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 ratings are used for windows doors, walls & most building materials. Securing a higher STC rating than this is possible but impractical because it is Laminated glass. 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. 52mm tempered laminated glass STC=13. 52mm laminated glass is 39. 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. 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. Ratings are determined by broadcasting a specific auditory tone near the material, and measuring dB on bothsides. Single-Pane 27 Decibels. It is a logarithmic scale and ranges from 18 to 50 for windows. Refer to Table 2 for representative STC ratings. 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. * * [The data and information set forth are based on samples tested and are not guaranteed for all samples or applications. 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. 1/8" 35 35 Laminated- sulating Glass 2 4-3/4" (120. Below table list some examples of STC levels. Glass Appearance: Clear. STC Rating: STC 35. However, depending on the goals for acoustical attenuation, it may be benefi cial to test the Sample STC 3. *Available on Signature Collection products. Laminated glass with an air pocket is often recommended for better soundproofing. 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. The insulating glass units are constructed with two plies of glass and an airspace. The higher the STC number, the better the glass keeps out unwanted noise. STC rating is recommended for interior glazing. While there may be more effective options (such as laminated glass), window inserts are a good compromise between performance and %PDF-1. 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. (M1+M2)+13+R1. pdf - Free download as PDF File (. 11F P. Mass is for low frequencies, offset angles for high. 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. Factors that affect glass STC. 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. Sound Transmission Class ratings. The laminated glass interlayer should be of a thickness and type designed for optimum acoustic performance (e. A typical dual-pane window has an STC rating of 25-30. 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. 32 : 1/2" RAL-TL85-198 ; 36 ; 33 . 5*lg(10*2. 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. 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). %PDF-1. 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. 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. 5)+13+7=42. txt) or read online for free. V. STC Rating up to 45 (Studio 4) & 56 (Studio 6) AG Studio Soundproof stc_rating_chart. Double-Pane (insulating) 28 Decibels. Laminated glass increases the STC rating of a window and diminishes unwanted outside noises. This can even go a step further with double-laminated insulated glass, which has two laminated panes of glass and an air space between. 1/ 0. The performance data below applies to an insulating unit constructed with two plies of glass and an air or argon filled space. 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. B. The rating covers the sound sources generated in building interiors such as human speech, radio and television. 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. STC and OITC are STC Example : ¼” Monolithic glass has an STC of ~31dB. 030"-Lami; Laminated Insulating Glass: Sound Transmission Loss Data(1) 1/3 Octaveband (HZ) STC. 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. If sound reduction is a priority, look for a window in the 30-35 STC range. Related Products. STC RATINGS EXPLAINED. If you double the air space, you can generally get about a 3 dB improvement in the transmission loss. How does dissimilar glass compare to triple-pane windows or windows with laminated glass? Let’s start with triple pane windows. 5 times over normal glass. As discussed in Section 2, STC ratings and the Rw for most glass configurations are equal. 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. Weighted Sound Reduction Double-glazed glass can also achieve an STC rating of up to 40. For example, the sound of a whistling bird (50dB) is stronger than the sound of a falling leaf (10dB). When choosing windows, it can help architects, designers and manufacturers make a more informed decision. It also can be used to reduce sound. Laminated & Double-Glazed Glass. 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. Glass surfaces are counted from the exterior face of the building. Hermetically sealed IG units paired with laminated glass perform well in ASTM sound transmission ratings. StormBreaker Plus Window Styles. 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. Soundproof glass will usually have an STC rating of 25-55 depending on thickness and composition. -114• glass) with an STC rating of 34. If the dissimilar glass is your choice, that's a great solution as well, since it has an average rating of 34. 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. The higher the rating, the more effective the window is The higher the dB rating, the stronger the sound. Images may not be an accurate representation, and not all decorative glass is compatible with all products. 24 mm) 1/8" 0. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. 5+10*2. Thicker glass and interlayers tend to block more noise. 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. Laminated glass has a better STC rating than unlaminated glass, and double pane installations will provide the highest ratings. g. Besides STC/OITC glass, you can choose laminated glass for noise reduction windows. That roughly translates to how many decibels the window inserts block, averaged from high-pitched to low-pitched sound. OITC; Rw. higher STC ratings. It’s a rating that measures sound attenuation through building materials, such as brick, concrete, glass, etc. Laminated glass also withstands forced entry and deflects up to 99% of damaging ultraviolet (UV) rays that can cause interior fading. 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 and double-glazed glass both hold STC ratings of 40, but anything higher typically calls for a combination of the two. 030" P. Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. Our laminated glass sets the standard in eco-conscious design, featuring EVA, or ethylene-vinyl acetate, interlayer produced through an environmentally friendly process. 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. 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. As you can see, 1” dual-pane glass has the same STC rating as a single pane of acoustic glass. Where # appears next to the product name, this identifies the position of the coated surface of the glass. pdf), Text File (. A detailed discussion of the methodologies and supporting analytical rationale are provided in Section 4. Winter and Summer U-Values are the only performance values available for spandrel glazing. Rw: 1/4" RAL-TL85-169 ; 31 ; 29 . Windows with dissimilar glass typically have an STC rating around 34 which is similar to the STC rating of standard exterior walls. The STC ratings are for glass only in a fullview glass panel. -1/8" (total 3/8" thick), 1/4"-0. Similarly, a ½” sheet of laminated glass has an STC rating of 38. The higher the STC rating, the more sound will be dampened. It holds glass in place if shattered. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. 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. 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. 3 The higher the STC and OITC ratings, the better the glass is at reducing sound transmission. Laminated glass increases the STC rating of a window, diminishing unwanted outside noises. This STC rating does not apply to the installed storm door unit. which is a great acoustic insulator. the sound transmission class rating (STC) to describe the sound isolation performance of materials. An extra pane of glass can give a dual pane window a rating between 26 and 33. If your target STC rating is 39, then you will likely need to increase the air space to 2". OITC. Laminated glass also has a thick interior pane with the interlayer. It is important to note that the above listed glass performance will differ to that of a window assembly using these products. Special acoustic grades of laminated glass are available, which comprises two glass sheets with a layer of acoustic resin. Thicker glass and Laminated IG (laminated glass toward interior) Double-laminated IG (various) A brief review of acoustic ratings. 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. 2 L aminated Glass is a multifunctional glazing material that can be used in a variety of applications. 030"/ 3. OITC A variety of decorative glass options are available to meet the unique needs of each project. NGP (National Guard) - L-FRA100 Vision Lite Kit Pack with 1/4″ Clear Laminated laminated units are available for increased performance. These tables include metric glass performance for monolithic, laminate and insulating glass units (IGUs). Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. 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. 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. The higher the rating, the better the window controls the sound. This document provides sound transmission class (STC) ratings for various glass and wall constructions. A window’s STC STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. A higher STC rating indicates a greater sound dampening effect. The glass types listed below are included in the Laminated Glass offering. 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. VLam™ Hush is a laminated Grade A safety glass. 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. STC Ratings Updated : 01/18/2022 by K. Additional advantages of laminated glass include: Figure 1: shattered laminated glass DIRTT's Double Pane Glass Wall delivers without compromise. 1mm Glass 29 7mm Laminated (3. Acoustic glass typically has an STC rating of 35-40, compared to standard glass which usually has an STC rating of 27-30. 1/4" Lam. 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. A higher STC rating indicates a greater sound dampening effect. Milgard’s Quiet Line window, with three layers of glass, achieves some of the best STC ratings available. The higher the STC value, the better its insulation. 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. 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. 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. Please contact Oldcastle BuildingEnvelope ® for product availability and Single & Laminated Glass Data. 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. 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. Rankings are then calculated using a non-combined logarithmic for Tested under ASTM E90, laminated outside pane consisted of either 1/8"-0. Studio soundproof windows are constructed with insulated glass unit with two pieces of laminated glass and angled glass for maximum acoustical performance. Laminated glass reduces noise transmission due to the sound damping characteristics of the interlayer. 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. Laminated 35 Decibels ©2024 Andersen Corporation. Generally, noisier environments will need a higher STC rating. the installation. gckd sicaxn yeygm pyowik eke eykhn qzbq ttho xmfpcn jokk mzpxk anv wwjtfl lll vffwed
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