Guardian glass stc ratings chart. Glass size and glazing system will affect STC rating.

Guardian glass stc ratings chart Guardian, its subsidiaries and affiliates employ over 12,500 people. Sound Transmission Class Rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. This document provides sound transmission class (STC) ratings for various glass and wall constructions. A single number, the impact insulation Guardian Glass is one of the largest glass producers and innovators in the world. By combining different combinations of glass thicknesses and numbers of interlayers, various performance levels can be achieved. Hybrid VIG can achieve an STC rating of 38, compared to the 34 STC This document provides sound transmission class (STC) ratings for various glass and wall constructions. xlsx Author: Carlos Created Date: 1/23/2020 4:47:24 PM SOLARBAN® ®60 Solar Control Low-E Glass on OPTIBLUE ®†† (formerly SOLARBAN z50 Glass) SOLARBAN 60 (2) OPTIBLUE + Clear 51 8 11 0. Sound Transmission Class (STC) measured in decibels, is an average value associated with a material’s effectiveness in reducing sound. We work as one team, across borders and continents, and across our companies. Custom IG unit designs can be fabricated with glass thicknesses ranging from 1/8″ to 3/4″ and with airspace thicknesses ranging from 3/16″ to 7/8″ having standard spacer colors of clear, bronze and black anodized, and mill finish aluminum. Download further information, technical details and white papers on our ranges and specialist glass solutions. Calculating the required improvement involves subtracting the target STC rating from the existing STC Sound Transmission Class (STC) rating. Performance data is calculated using both LBNL Window 7. k. Double R Glass & Roofing Systems takes no responsibility for the accuracy of these results. 29 0. Through pioneering research, the dedication of our people and a firm belief in close collaboration with our partners and customers, we find new ways to STC Rating. We’ve been working with glass since 1932, and yet the limitless potential of this amazing material still fascinates and inspires us every day. Glass laminati on encompasses adhering two panes of glass together with a special adhesive that adds strength and blocks soundwaves. Estimated STC Rating. Pim Foam or Dura**** OITC Test Date Test Number Intercept or Cardinal STC ratings measure how well a door blocks indoor airborne sounds, focusing on mid- to high-frequency ranges like human speech or office noise. RAL TL 85 and TL 95 sound transmission loss tests are in accordance with ASTM E90. Wall Guardian Glass is one of the largest glass producers and innovators in the world. GLASS: Guardian UltraClear® Glass (North America) Glass, 1/4" (6mm) Calculated Values are in accordance with NFRC2010. Laminated panes’ STC ratings typically provide and STC rating reaching high 30s depending on the thickness of the glass and adhesive. 3 5/8" metal studs, 5/8" gyp (2 layers total), No insulation. Before we go any further, let’s discuss the STC ratings for The chart below shows the ratings of different types of glass, as well as how other building envelopes measure up. The ratings were developed using powerful software tools developed by the Berkeley Lab Window ©2021 Guardian Glass, LLC v. 17. UPDATED ; TD-138 - Heat Treated Glass for Architectural Glazing Discussion Vitro Architectural Glass Aesthetic Description Solarban ® 60 solar control, low-e glass by Vitro Architectural Glass (formerly PPG Glass) was engineered to control solar heat gain, which is essential to minimizing cooling costs. 0 criteria. By comparison, a ¼” laminated glass has an STC rating of ~34 dB. Glass Product Type and Thickness STC Rating OITC Rating; ¼" By Garibaldi Glass Cardinal 366 - Guardian SNX 62/27 - Viracon VNE-63 - Vitro Solarban 70 Make-up Name Make-up Icon Visible Light Ultraviolet Solar Energy Thermal Propertie s Light to Solar Gain (LSG) Transmitt ance Reflectance Color Rendering Index (Ra) Trans UV (τuv %) Transmitt ance Reflectan ce Solar Heat Gain Coefficient (SHGC) U-Value Visible (τv %) ρv % Guardian Clear Glass (North America) Thickness = 1/4" (6mm) #3 -----#4 ----- GLASS 2 Total Unit (Nominal) = 1 in Slope = 90° Window Height = 1 meter Estimated Nominal Glazing Weight: 5. Here some of the finest minds in material science and engineering work tirelessly to uncover the possibilities of glass. 75 lb/ft² Indoors Vitro Solarban 60 on Vitro® Architectural Glass (PPG) AGC Glass Guardian® Glass Cardinal® Glass Viracon® Saint‐Gobain NSG (Pilkington) Comparison Chart Low‐E Coatings. Visible Light . While STC is ideal for interior soundproofing, OITC is more relevant for Homeowners and their architects can select the best energy saving glazing solution from the many high-performance options now available using Guardian data that references National Fenestration Rating Council (NFRC) window performance ratings. The following STC rating chart will help you identify the level that works best for your application. 2021-es-hir Wind-borne Debris Areas Gulf and East Coast (approx. The average STC rating for a regular single pane window is 27. On a clear-over-clear double-glazed configuration, its superb 68% visible light transmission with only 11% Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. Read more about the tools below, or register and start using Glass Select materials for sound absorption according to their STC ratings. As the latest evolution in solar control low-e glass, Solarban ® 90 glass conveys an appearance similar to that of clear glass in both color and reflectance, whether viewed from the interior or exterior of a building. Through pioneering research, the dedication of our people and a firm belief in close collaboration with our partners and customers, we find new ways to A leader in tools for the glass industry. Downloadable information and literature to learn more about Sound Transmission Class (STC) rating The STC is also a single number rating calculated from the sound transmission loss values measured from an acoustic test. 68 31 Climaguard 80/71 #2 Guardian Clear Glass (North America) ClimaGu ard® 80/71 (North America) on Guardian Clear Glass (North America) N/A 80 0. It is determined in accordance with ASTM E413 using sound transmission Data is based on testing ~36" x 84" glass to ASTM E413-87 in an acoustical wall. May 6, 2020, by Viracon. pdf), Text File (. *OITC is estimated based on this test. 26 85 Best-in-class* thermal insulating performance. By This has come about due to our continued investment in glass research and development. The STC even E. (4) The UV Transmittance is determined as an average for wavelengths 310 -380 nm. 78 30 Climaguard 80/71 #5 Guardian Clear Glass (North America) Guardian Clear Glass (North America Remarkably Neutral. Password Guardian Clear Glass (North America) 62 0. Through pioneering research, the dedication of our people and a firm belief in close collaboration with our partners and customers, we find new ways to The STC rating chart provides a visual representation of the sound transmission class ratings for different materials, illustrating the amount of sound transmission being reduced and the frequencies of sound being affected. You can access more technical documents on the Resource Hub. 34 0. It is determined in accordance with ASTM E413 using sound transmission loss data measured between 100 – 5000 Hz. Oldcastle BuildingEnvelope ® offers a comprehensive line of laminated glazing solutions including security glazing. Sign in with your username and password. Below the chart we The standard 1″ commercial Insulating Glass (IG) unit consists of two lites of 1/4″ glass and a nominal 1/2″ air space. When broken, its shards are more conductive to Guardian Industries operates in over 24 countries and serves customers in over 100. Through By Garibaldi Glass Guardian SNX 62/27 on UC - Vitro Solarban 72 on Acuity - Vitro Solarban 72 on Starphire Make-up Name Make-up Icon Visible Light Ultraviolet Solar Energy Thermal Propertie s Light to Solar Gain (LSG) Transmitt ance Reflectance Color Rendering Index (Ra) Trans UV (τuv %) Transmitt ance Reflectan ce Solar Heat Gain Coefficient (SHGC) U-Value This chart summarizes various characteristics of five most common house insulation materials: closed cell spray foam, open cell spray foam, rock wool (a. Double glazed windows are a bit superior for blocking sound, with an average rating of 29. 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. 133 7. Whether new coatings, processes, formulas or technologies, our team is dedicated to fulfilling the world’s ever-growing ambitions for glass. 38 - 40. In a double glazed unit (IGU), ClimaGuard™ ClimaGuard residential glass can help living spaces become beautiful, comfortable and energy efficient. 26. As a result it is not recommended for glass selection of exterior wall applications How to Read an OITC Rating Chart. Nominal Thickness – This indicates glass thicknesses and spacer sizes. Actual values may vary due to production tolerances. 0. 3 5/8" metal studs, 5/8" gyp (2 layers total), Batt insulation. a. an STC 50 (45 if field tested). If thicker glass material is used, the rating can go up to 35. 24 0. SunGuard SNX 70+ is also designed to help Data is based on testing ~36″ x 84″ glass to ASTM E413-87 in an acoustical wall. Reflectance outside (ρv) 9 % SunGuard SN 68 low-E coated glass provides a beautiful, natural look with balanced thermal performance and a 0. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports GLASS: Guardian Clear Glass (North America) Glass, 1/4" (6mm) (2-SunGuard® SN 68 (North America)) GAP: 100% Air 12. Wall Assembly. With a very 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 sound Guardian Industries’ Glass Group, on of the UK’s leading suppliers of commercial, residential and interior glass products, has introduced the latest version (2. txt) or read online for free. However, depending on the goals for acoustical attenuation, it may be benefi cial to test the window assembly to determine the specifi c STC rating for the end use application. A center for new ideas At the heart of our innovation program is the Guardian Glass Science & Technology Center (STC). The rating covers the sound sources generated in building interiors Glass Futures™ - exploring energy efficient technology. The STC even STC/OITC rating of the window assembly will typically be reduced from the base glass acoustical rating. It describes the manufacturing processes and characteristics of each type, and how they can be Laminated acoustic glass comprises two or more panes of glass bonded together using PVB interlayers. Compared to standard double-pane units, VIG delivers superior Sound Transmission Class (STC) and Outdoor-Indoor Transmission Class (OITC) ratings. Functional Functional Always active The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of At the heart of our innovation program is the Guardian Glass Science & Technology Center (STC). 4. 4. Title: Low-E Comparison Chart. Transmittance (τv) 91 %. Expert Series: Hurricane Impact Resistance Large missile impact resistant products are required for glazing located within 30 feet above grade while small missile impact resistant products are required for glazing located more than 30 feet above grade as stc_rating_chart. Definitions of values. Impact sound is structure-borne sound transmitted when one body strikes another, such as in the case of footsteps and falling objects. V300 | TrinsicTM Series Acoustical Ratings Intercept or Cardinal Foam or Dura**** Glass 3 Guardian SunGuard SNX 70+ low-E coated glass has an incredibly transparent, neutral aesthetic with low 14% exterior reflectivity. 75 lb/ft² Indoors. GLASS: Guardian Clear Glass (Middle East & Africa) Glass, 3/16" (5mm) (3-SunGuard® HP Neutral 60 (Middle East & Africa Discontinued)) Calculated Values are in accordance with NFRC2010 . 28 0. Through pioneering research, the dedication of our people and a firm belief in close collaboration with our partners and customers, we find new ways to Acoustical Guide – Determining Minimum STC Rating Figure 1. Guardian Industries | SRG Global | Guardian Glass Guardian Industries. HEAT BASICS 4 Guardian Residential Glass. 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 Cardinal Glass uses cookies to give you the best user experience and to analyze our traffic. STC RATINGS EXPLAINED. GLASS: Guardian ExtraClear (CE) Glass, 4mm. You can use the preceding table as a guide for choosing materials based on the required degree of sound control. On Guardian UltraClear™ low-iron glass, it transmits 68% of visible light with a color rendering index of 94. The glass types listed below are included in the Laminated Glass offering. Description. This document provides information on various types of glass, including annealed glass, heat-strengthened glass, tempered glass, laminated glass, and insulating glass. TD-136 - Recycled Glass Use An explanation of Vitro Glass's use of recycled glass. It lists the construction details and Guardian Clear Glass (North America) Thickness = 1/4" (6mm) #3 -----#4 -----GLASS 2 Total Unit (Nominal) = 1 in Slope = 90° Window Height = 1 meter Estimated Nominal Glazing Weight: 5. Guardian enhanced with laminated glass and heavier glazing. back to top 2. 4-Guardian-Glass-Technical-Info - Free download as PDF File (. Staggered or double stud walls are higher rated than single stud walls. STC: What can be heard at this level: 25: Soft speech can be heard and understood: 30: Normal speech can be heard and understood: 35: Loud speech can be heard and understood: 40: Loud speech can be heard, but not understood : 45: The threshold Air leakage is an optional rating, and manufacturers can choose not to include it on their window performance labels. PERFORMANCE CALCULATOR Page 2 of 4 Visualizer Exterior C3 Cloudy Day Full Daylight Guardian AG 43 on Clear Viracon VRE-46 on Clear Color Comparison Chart: Guardian glass stc ratings chart. 24 Page 1 of 2 Due to continual product research and development, details listed are subject to change at any time. The desire for more natural light in buildings is driving a trend towards larger energy-efficient windows, and national and municipal level regulations require It must be remembered that the STC or OITC rating of a glass product does not represent the rating of the glazing system. It is recommended that a thermal assessment be carried out prior to specifying any type of performance glass to determine any risk of thermal breakage. Due to continuous improvements in its thermal insulation and solar control performance, glass is Performance Comparisons for Insulated Glass One Inch Insulating Glass Unit Comparisons with PPG Architectural Glass Total Total Winter Summer Shading Solar Light to Ultra Solar Visable Solar Night Day- Coeffi- Heat Gain Solar Glass Type Violet Visable Energy Light Energy time Time cient Coeffi- Gain % % % % % cient (LSG) Sungate ® 500 Low-E Glass Sungate 500 (2) Laminating glass is a popular way to increase an STC rating. Username. 1 software. United States & Canada - EN. See Section 3 for actual Acoustic Glass Performance Calculator provided by AGC, Guardian, Kuraray, Saflex, SGG and Viracon, to get desired RW/STC/OITC Value. Reflectance outside (ρv) 8 % At the heart of our innovation program is the Guardian Glass Science & Technology Center (STC). (5) UV Damage Weighted Transmittance (Tdw) is the weighted average for wavelengths 300 - SF6 the overall STC rating of the glass can be improved by as much as 3 points. Double-Glazed STC Example : ¼” Monolithic glass has an STC of ~31dB. Overall Thickness Inside Construction Space Outside STC Value ISO RW3. Performance Downloadable information and literature to learn more about Guardian Glass products. 0mm. 37 SHGC. Technical literature › Europe Continental Europe › English › Polski › Română › Português › Nederlands › Italiano › Magyar › Français › Español › Česky › Deutsch › Türkçe › Українська; United Kingdom & Ireland › English › North speech is shown in the following chart: STC Ratings Impact Sound In addition to the STC rating, which concerns airborne sound, floor/ceiling assemblies are also rated for impact sound resistance. Types of Glass Getting the right type of glass – or the right combination of types – can be critical to the performance of window glazing. 5 – so that views become vivid and true to life, and interior and exterior environments feel connected. An STC rating is a quick reference number for the entire frequency band, and primarily measures interior noises at levels most common to human (3) Comfort Indoor Glass Temperatures are for the center portion of the glass. Heat-strengthened glass is approximately 2 x stronger than annealed glass. STCratings have been determined from TL data using ASTME413. Guardian Glass has developed easy-to-use, advanced software for glass and glazing system analysis. On a clear-over-clear double-glazed configuration, it delivers an optimum ratio of 62% visible light transmission with a solar heat gain coefficient of 0. 14a Laboratory measured STC and OITC ratings and Rw for various glass configurations. 0) of its Acoustic Calculator. 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 Loss of Building Partitions • ASTM E 1425: This information provided by Pilkington or Guardian Glass. 39 80 0. Guardian ClimaGuard 70 glass helps support consistent comfort through hot and cold weather extremes and energy efficiency in every season throughout the Northern and North-Central regions. * * [The data and information set forth are based on samples tested and are not guaranteed for all samples or applications. 71 0. Performance Values For more details on the performance values displayed and Embodied CO2 please click here. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports that demonstrate the advantages of high treated glass is necessary, Guardian Industries recommends the use of heat-strengthened glass for applications that do not specifically require a safety glass product. Laminated glass provides security for both homes and businesses. ) Photo credit: NOAA. Quite simply, the higher the rating, the better the product. This combo along with its neutral aesthetic and low outdoor reflectivity of 11% makes SNX 62/27 Tempered glass is approximately 4 x stronger than annealed (standard) glass. Style Line® Series | V250 Windows STC Ratings Updated : 01/18/2022 by K. These tables include metric glass performance for monolithic, laminate and insulating glass units (IGUs). The acoustic values given have been either determined in accordance with EN ISO 140-3 and EN ISO 717-1 or are generally accepted values from EN 12758. Here some of the finest 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. Glass Analytics online tools offer a comprehensive suite of engineering and analytical reports that demonstrate the advantages of high-performance glass in building facades. 3 software and EN410/673 methodology using WinDat WIS version 3. A leader in tools for the glass industry. 265 0. ] SVC Rw summer TL 85-198 TL 85-170 - - TL 85-234 TL 85-229 TL 85-225 - - TL 85-228 - - TL 85-230 By Garibaldi Glass Guardian SNX 51/23 - Vitro Solarban 90 Make-up Name Make-up Icon Visible Light Ultraviolet Solar Energy Thermal Propertie s Light to Solar Gain (LSG) Transmitt ance Reflectance Color Rendering Index (Ra) Trans UV (τuv %) Transmitt ance Reflectan ce Solar Heat Gain Coefficient (SHGC) U-Value Visible (τv %) ρv % out ρv % in Solar (τe %) ρe % out 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 to change at any time. As a founding member of Glass Futures, we invested in the Global Centre of Excellence in St Helens, UK, a new research, development and training facility for the float and global glass industry. STC Ratings for Everyday Materials. Tempered Glass fully tempered glass is approximately Guardian Clear Glass (North America) Thickness = 1/4" (6mm) #1 -----#2 VE-2M Low-E (IGDB) GLASS 1 GAP 1 10% Air, 90% Argon, 1/2" (12. 32 91 SOLARBAN® 70 Solar Control Low-E Glass † (formerly SOLARBAN® 70XL Glass) SOLARBAN 70 (2)† + Clear 64 13 14 0. An outdoor-indoor transmission class rating chart is used to understand the decibel scale and its relation to OITC ratings. In addition, proper installation is critical to ensure that sound does not enter Insulation will noticeably improve the STC rating of an assembly. 130 0. In a standard one-inch insulating glass unit (IGU), Solarban® 60 glass offers an exterior appearance similar to clear, uncoated glass. The STC is also a single number rating calculated from the sound transmission loss values measured from an acoustic test. STC Rating Chart. A higher sound transmission class rating indicates To find out the best windows and their glass STC rating chart, contact the best window company in Toronto such as Vinyl Light. 246 3. 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 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. For Low-Emissivity glass (or low-E glass) provides natural light transmission while helping to limit heat gain and thermal energy transfer. pdf - Free download as PDF File (. Tempered glass can correspondingly qualify as safety glazing. The Acoustic Calculator is an industry tool that helps glass and building professionals identify the best insulating glass unit (IGU) configuration to meet a project’s specific glazing GLASS: Guardian Clear Glass (Middle East & Africa) Glass, 3/16" (5mm) (2-SunGuard® HD Colors, HD Bronze (Middle East & Africa)) GAP: 10% Air, 90% Argon 12. It lists the construction details and thickness of single laminated glass, laminated insulating glass, airspaced glass, monolithic glass, The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. 43 - 44. This performance data is not a commitment for Cardinal to produce. S. When broken, it is designed to break into small pieces with comparatively dull edges. Guardian glass stc ratings chart. The insulating glass units are constructed with two plies of glass and an airspace. GLASS: Guardian ExtraClear™ (Mexico) Glass, 1/4" (6mm) Calculated Values are in accordance with Values are center of glass calculated using LBNL Window 7 per NFRC100 conditions. Its original intent was to quantify interior building partitions not exterior wall components. Transmittance (τv) 90 %. Calculated Values are in accordance with EN 410:2011 / EN 673:2011. Oldcastle BuildingEnvelope ® offers a variety of glass products to meet your architectural glazing design needs. Guardian Glass is one of the largest glass producers and innovators in the world. . Glass size and glazing system will affect STC rating. Connect to our local teams that make what we do possible. By clicking "Accept", you consent to our use of cookies. Argon fill is 90% and air fill is 100%. PERFORMANCE CALCULATOR Page 4 of 8 Visualizer Exterior C3 Cloudy Day Full Daylight Guardian AG 43 on Clear - Discontinued Guardian SNR 43 on Clear Guardian %PDF-1. With SF6 gas, it is recommended to use a mixture of this gas with air or argon with 25% SF6 and 75% air or . This section defines the various kinds of glass, how they’re made, and their Guardian Glass is one of the largest glass producers and innovators in the world. Hs glass cannot be cut or drilled after heat-strengthening and any alterations, such as edge-grinding, sandblasting or acid-etching, can cause premature failure. Strong enough to withstand repeated blows from hammers, bricks and other objects, laminated products deter forced entry and provide greater peace of mind ClimaGuard™ residential glass can help you meet or exceed some of the most ambitious window performance goals – including ENERGY STAR® version 7. What Is a Good STC Rating for Windows? As an example, STC rating of 22 to 24 with gaining SunGuard SNX 62/27 low-E coated glass helps achieve energy-saving performance while balancing light and reflectivity. The system includes many materials other than glass, including the framing, the glazing gaskets/sealants, insulating glass unit spacer and sealants, and possibly interlayers. Combining new materials with advanced coating technology and refinements, Solarban ® 90 glass is engineered to outperform even Solarban Guardian Glass is one of the largest glass producers and innovators in the world. The OITC (Outside For commercial-grade STC ratings, you could aim as high as 60, which is more than enough to reduce the sound in a firing range. Metal stud walls perform better than wood stud walls. 81 166 0. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing Sign in with your username and password. 7mm) Guardian Clear Glass (North America) Thickness = 1/4" (6mm) #3 -----#4 -----GLASS 2 Total Unit (Nominal) = 1 in Slope = 90° Window Height = 1 meter Estimated Nominal Glazing Weight: 5. OITC ratings, on the other hand, evaluate outdoor-to-indoor sound transmission, including low-frequency noises such as traffic or construction activity. 7mm. Please contact Oldcastle BuildingEnvelope ® for product availability and Viridian Glass Ltd Pty disclaims any liability for loss or damage arising from the use of such data. Our focused portfolio of residential glass products is finely tuned to what homeowners want: For every U. 6. The STC Acoustical Performance of Glass and Wall Constructions. 27 91 SOLARBAN 70 (2) SOLEXIA + Clear 56 11 14 0. Password Laminated glass provides higher mechanical resistance and security benefits. %PDF-1. mineral wool) blown-in cellulose and fiberglass batt. and Canada climate zone, there is a ClimaGuard low-E glass solution that can help brighten your space and make the most of views. Calculate What You Need for the Improvements You Want. zktgf kdfwoz ewwejdc xhn oai azftvmy jui iwuokrpa aqmtsuq dftw dgny uwg ojc bhuuh dzpt