•  Commercial Complex, Sector - 51 Noida
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  • PRODUCTS
    • Industrial Noise Control
      • Acoustic Enclosures
        • Acoustic Enclosure For Power Plant
        • Diesel Generator Room Acoustic
        • Machine Enclosure
        • Acoustic Containers
        • Turbine Enclosures
        • Blower Acoustic Enclosures
        • Compressor Acoustic Enclosures
        • Acoustical Blanket Enclosures
        • Acoustical Enclosure for Punch Press
        • Acoustic Drop Over Canopy
      • Acoustic Louvers And Sound Attenuators
      • Acoustic Louvered Screens
      • Acoustic Louver for Chiller
      • Sand Trap Louver
      • Acoustic Baffles
        • Fabric Wrapped Acoustic Baffels
        • Polywrap Acoustical Baffles
      • Acoustic Panels / Wooden Acoustic Panels
        • Wooden Acoustic Panels
        • Elastic Acoustic Panels
        • Perforated Acoustic Panels
        • Perforated Metal Panels
      • Sliding Acoustic Doors
        • Vertical Sliding Doors
        • Horizontal Sliding Doors
        • Acoustic Fire Doors
        • Acoustic Steel Doors
        • Acoustic Wooden Doors
      • Engine Exharst Silencers
      • Industrial Fan Silencers
      • Air Intake And Discharge Silencers
      • Noise Barrier Wall
    • Anechoice Chamber
      • Noise Test Booth
      • NVH Test Chambers
      • Assembly Line Noise Test Chamber
      • Anechoic Chamber
      • Metallic Anechoic Wedges
      • Mobile Control Room
      • Mini Anechoic Chamber
      • Semi Anechoic Chamber
      • Hemi Anechoic Chamber
      • Portable Anechoic Chamber
      • Acoustic Test Chamber
      • Reverberation Room
      • Work Pods
    • Acoustics Products For Commercial
      • Acoustic Wall Tiles
      • Acoustic Ceiling Tiles
      • Acoustic Window
      • Acoustic Doors
      • Acoustic Curtains
      • Floating Floor
      • Acoustic Partitions
      • Acoustic PU Foams
        • Acoustic Wedges Foams
        • Acoustic Pyramid Foams
      • Noise Barriers
        • Absorptive / Reflective Noise Barriers
        • Polycarbonate Noise Barriers
        • Studio Box
        • Audiometric Screening Booth
    • Residential Noise Control
      • Acoustic Window
      • Acoustic Curtains
      • Noise Barrier For Boundry Wall
      • Acoustic Treatment For Home Theater
    • Noise Barriers
      • Noise Barrier Manufacturer
      • Mettalic Noise Barrier
      • Polycarbonate/PMMA Noise Barrier
      • Echo Barrier
      • Bi Absorbent Noise Barriers
    • Sliding Folding Partitions
      • Acoustic Sliding Folding Partitions
      • Glass Sliding Folding Partitions
      • Vertical Fold Partition
      • Semi Automatic Sliding Folding Partitions
      • Movable Wall Partition
      • Non Acoustic Sliding Folding Partition
    • Acoustic Doors
      • Acoustic Metal Door
      • Acoustic Wooden Door
      • Acoustic Cum Fire Metal Door
      • Acoustic Cum Fire Wooden Door
      • Steel Door
      • Stainless Steel Door
      • Acoustic Window Metal Frame
      • Acoustic Window Wooden Frame
      • 2Hr Fire Rated Metal Door
      • 2Hr Fire Rated Wooden Door
      • Fire Door
      • Blast Proof Doors
      • Halspan Core Fire Door
    • Acoustic Consultancy
      • Noise Survey
      • Noise Analysis Of Plant
      • Site Inspections
      • Sound Insulation Testing
      • Noise Mapping
      • Mechanical Plant Noise Mitigation
      • Enviromental Noise Monitoring
  • APPLICATIONS
    • Road And Highway Noise Barrier
    • Acoustic Treatment for Power Plant
    • Anechoic Test facilities
    • Railways and Aircrafts
  • INFRASTRUCTURE
  • PROJECTS
  • STANDARD
    • ISO STANDARD
  • CLIENTS
  • CAREERS
  • COMPANY PROFILE
    • Our Business
    • Our History
    • Research & Development
    • Manufacturing Facility
    • Quality Assurance
  • CONTACT US
  • PRODUCTS
    • Industrial Noise Control
      • Acoustic Enclosures
        • Acoustic Enclosure For Power Plant
        • Diesel Generator Room Acoustic
        • Machine Enclosure
        • Acoustic Containers
        • Turbine Enclosures
        • Blower Acoustic Enclosures
        • Compressor Acoustic Enclosures
        • Acoustical Blanket Enclosures
        • Acoustical Enclosure for Punch Press
        • Acoustic Drop Over Canopy
      • Acoustic Louvers And Sound Attenuators
      • Acoustic Louvered Screens
      • Acoustic Louver for Chiller
      • Sand Trap Louver
      • Acoustic Baffles
        • Fabric Wrapped Acoustic Baffels
        • Polywrap Acoustical Baffles
      • Acoustic Panels / Wooden Acoustic Panels
        • Wooden Acoustic Panels
        • Elastic Acoustic Panels
        • Perforated Acoustic Panels
        • Perforated Metal Panels
      • Sliding Acoustic Doors
        • Vertical Sliding Doors
        • Horizontal Sliding Doors
        • Acoustic Fire Doors
        • Acoustic Steel Doors
        • Acoustic Wooden Doors
      • Engine Exharst Silencers
      • Industrial Fan Silencers
      • Air Intake And Discharge Silencers
      • Noise Barrier Wall
    • Automotive Noise Test Booth/Anechoice Chamber
      • Noise Test Booth
      • NVH Test Chambers
      • Assembly Line Noise Test Chamber
      • Anechoic Chamber
      • Mobile Control Room
      • Mini Anechoic Chamber
      • Semi Anechoic Chamber
      • Hemi Anechoic Chamber
      • Portable Anechoic Chamber
      • Acoustic Test Chamber
      • Reverberation Room
      • Work Pods
    • Acoustics Products For Commercial
      • Acoustic Wall Tiles
      • Acoustic Ceiling Tiles
      • Acoustic Window
      • Acoustic Doors
      • Acoustic Curtains
      • Floating Floor
      • Acoustic Partitions
      • Acoustic PU Foams
        • Acoustic Wedges Foams
        • Acoustic Pyramid Foams
      • Noise Barriers
        • Absorptive / Reflective Noise Barriers
        • Polycarbonate Noise Barriers
        • Studio Box
        • Audiometric Screening Booth
    • Residential Noise Control
      • Acoustic Window
      • Acoustic Curtains
      • Noise Barrier For Boundry Wall
      • Acoustic Treatment For Home Theater
    • Noise Barriers
      • Noise Barrier Manufacturer
      • Mettalic Noise Barrier
      • Polycarbonate/PMMA Noise Barrier
      • Echo Barrier
      • Bi Absorbent Noise Barriers
    • Sliding Folding Partitions
      • Acoustic Sliding Folding Partitions
      • Glass Sliding Folding Partitions
      • Vertical Fold Partition
      • Semi Automatic Sliding Folding Partitions
      • Movable Wall Partition
      • Non Acoustic Sliding Folding Partition
    • Acoustic Doors
      • Acoustic Metal Door
      • Acoustic Wooden Door
      • Acoustic Cum Fire Metal Door
      • Acoustic Cum Fire Wooden Door
      • Steel Door
      • Stainless Steel Door
      • Acoustic Window Metal Frame
      • Acoustic Window Wooden Frame
      • 2Hr Fire Rated Metal Door
      • 2Hr Fire Rated Wooden Door
    • Acoustic Consultancy
      • Noise Survey
      • Noise Analysis Of Plant
      • Site Inspections
      • Sound Insulation Testing
      • Noise Mapping
      • Mechanical Plant Noise Mitigation
      • Enviromental Noise Monitoring
  • APPLICATIONS
    • Road And Highway Noise Barrier
    • Acoustic Treatment for Power Plant
    • Anechoic Test facilities
    • Railways and Aircrafts
  • INFRASTRUCTURE
  • PROJECTS
  • STANDARD
    • ISO STANDARD
  • CLIENTS
  • CAREERS
  • COMPANY PROFILE
    • Our Business
    • Our History
    • Research & Development
    • Manufacturing Facility
    • Quality Assurance
  • CONTACT US
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ISO STANDARDS

ISO 362-1:2007 Measurement of noise emitted by accelerating road vehicles — Engineering method — Part 1: M and N categories.
ISO 362-2:2009 Measurement of noise emitted by accelerating road vehicles — Engineering method — Part 2: L category.
ISO 1680:1999 Acoustics — Test code for the measurement of airborne noise emitted by rotating electrical machines.
ISO 1996-1:2003 Acoustics — Description, measurement and assessment of environmental noise — Part 1: Basic quantities and assessment procedures.
ISO 1996-2:2007 Acoustics — Description, measurement and assessment of environmental noise — Part 2: Determination of environmental noise levels.
ISO 1999:1990 Acoustics — Determination of occupational noise exposure and estimation of noiseinduced hearing impairment.
ISO 2922:2000 Acoustics — Measurement of airborne sound emitted by vessels on inland waterways and harbours.
ISO 2923:1996 Acoustics — Measurement of noise on board vessels.
ISO/DIS 3095 Railway applications — Acoustics — Measurement of noise emitted by railbound vehicles.
ISO 3095:2005 Railway applications — Acoustics — Measurement of noise emitted by railbound vehicles.
ISO 3381:2005 Railway applications — Acoustics — Measurement of noise inside railbound vehicles.
ISO 3740:2000 Acoustics — Determination of sound power levels of noise sources — Guidelines for the use of basic standards.
ISO/FDIS 3741 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for reverberation test rooms.
ISO 3741:1999 Acoustics — Determination of sound power levels of noise sources using sound pressure — Precision methods for reverberation rooms.
ISO 3743-1:1994 Acoustics — Determination of sound power levels of noise sources — Engineering methods for small, movable sources in reverberant fields — Part 1: Comparison method for hard-walled test rooms.
ISO/FDIS 3743-1 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering methods for small movable sources in reverberant fields — Part 1: Comparison method for a hard-walled test room.
ISO 3743-2:1994 Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering methods for small, movable sources in reverberant fields — Part 2: Methods for special reverberation test rooms.
ISO/FDIS 3744 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering methods for an essentially free field over a reflecting plane.
ISO 3744:1994 Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering method in an essentially free field over a reflecting plane.
ISO 3745:2003 Acoustics — Determination of sound power levels of noise sources using sound pressure — Precision methods for anechoic and hemi-anechoic rooms.
ISO/DIS 3745 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic test rooms and hemi-anechoic test rooms.
ISO 3746:1995 Acoustics — Determination of sound power levels of noise sources using sound pressure — Survey method using an enveloping measurement surface over a reflecting plane.
ISO/DIS 3746 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Survey method using an enveloping measurement surface over a reflecting plane.
ISO 3747:2000 Acoustics — Determination of sound power levels of noise sources using sound pressure — Comparison method in situ.
ISO/DIS 3747 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering/survey methods for use in situ in a reverberant environment.
ISO 3891:1978 Acoustics — Procedure for describing aircraft noise heard on the ground.
ISO 4869-1:1990 Acoustics — Hearing protectors — Part 1: Subjective method for the measurement of sound attenuation.
ISO 4869-2:1994 Acoustics — Hearing protectors — Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn.
ISO 4869-3:2007 Acoustics — Hearing protectors — Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture.
ISO/TR 4869-4:1998 Acoustics — Hearing protectors — Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs.
ISO/TS 4869-5:2006 Acoustics — Hearing protectors — Part 5: Method for estimation of noise reduction using fitting by inexperienced test subjects.
ISO/TR 4870:1991 Acoustics — The construction and calibration of speech intelligibility tests.
ISO 4871:1996 Acoustics — Declaration and verification of noise emission values of machinery and equipment.
ISO 4872:1978 Acoustics — Measurement of airborne noise emitted by construction equipment intended for outdoor use — Method for determining compliance with noise limits.
ISO 5128:1980 Acoustics — Measurement of noise inside motor vehicles.
ISO 5129:2001 Acoustics — Measurement of sound pressure levels in the interior of aircraft during flight.
ISO 5130:2007 Acoustics — Measurements of sound pressure level emitted by stationary road vehicles.
ISO 5135:1997 Acoustics — Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation room.
ISO 5136:2003 Acoustics — Determination of sound power radiated into a duct by fans and other airmoving devices — In-duct method.
ISO 6926:1999 Acoustics — Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels.
ISO 7196:1995 Acoustics — Frequency-weighting characteristic for infrasound measurements.
ISO 7235:2003 Acoustics — Laboratory measurement procedures for ducted silencers and airterminal units — Insertion loss, flow noise and total pressure loss.
ISO 7574-1:1985 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 1: General considerations and definitions.
ISO 7574-2:1985 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 2: Methods for stated values for individual machines.
ISO 7574-3:1985 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 3: Simple (transition) method for stated values for batches of machines.
ISO 7574-4:1985 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 4: Methods for stated values for batches of machines.
ISO/FDIS 7779 Acoustics — Measurement of airborne noise emitted by information technology and equipment.
ISO 7779:1999 Acoustics — Measurement of airborne noise emitted by information technology and telecommunications equipment.
ISO 7779:1999/Amd 1:2003 Noise measurement specification for CD/DVD-ROM drives.
ISO/TS 7849-1:2009 Acoustics — Determination of airborne sound power levels emitted by machinery using vibration measurement — Part 1: Survey method using a fixed radiation factor.
ISO/TS 7849-2:2009 Acoustics — Determination of airborne sound power levels emitted by machinery using vibration measurement — Part 2: Engineering method including determination of the adequate radiation factor.
ISO 8297:1994 Acoustics — Determination of sound power levels of multisource industrial plants for evaluation of sound pressure levels in the environment — Engineering method.
ISO 9295:1988 Acoustics — Measurement of high-frequency noise emitted by computer and business equipment.
ISO 9296:1988 Acoustics — Declared noise emission values of computer and business equipment.
ISO 9611:1996 Acoustics — Characterization of sources of structure-borne sound with respect to sound radiation from connected structures — Measurement of velocity at the contact points of machinery when resiliently mounted.
ISO 9612:2009 Acoustics — Determination of occupational noise exposure — Engineering method.
ISO 9613-1:1993 Acoustics — Attenuation of sound during propagation outdoors — Part 1: Calculation of the absorption of sound by the atmosphere.
ISO 9613-2:1996 Acoustics — Attenuation of sound during propagation outdoors — Part 2: General method of calculation
ISO 9614-1:1993 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discrete points.
ISO 9614-2:1996 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 2: Measurement by scanning.
ISO 9614-3:2002 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 3: Precision method for measurement by scanning.
ISO 9645:1990 Acoustics — Measurement of noise emitted by two-wheeled mopeds in motion — Engineering method.
ISO 10302:1996 Acoustics — Method for the measurement of airborne noise emitted by small airmoving devices.
ISO/DIS 10302-1 Acoustics — Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices — Part 1: Airborne noise measurement.
ISO/DIS 10302-2 Acoustics — Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices — Part 2: Structure-borne vibration measurements.
ISO 10843:1997 Acoustics — Methods for the description and physical measurement of single impulses or series of impulses.
ISO/DIS 10844 Acoustics — Specification of test tracks for measuring noise emitted by road vehicles and their tyres.
ISO 10844:1994 Acoustics — Specification of test tracks for the purpose of measuring noise emitted by road vehicles.
ISO 10846-1:2008 Acoustics and vibration — Laboratory measurement of vibro-acoustic transfer properties of resilient elements — Part 1: Principles and guidelines.
ISO 10846-2:2008 Acoustics and vibration — Laboratory measurement of vibro-acoustic transfer properties of resilient elements — Part 2: Direct method for determination of the dynamic stiffness of resilient supports for translatory motion.
ISO 10846-3:2002 Acoustics and vibration — Laboratory measurement of vibro-acoustic transfer properties of resilient elements — Part 3: Indirect method for determination of the dynamic stiffness of resilient supports for translatory motion.
ISO 10846-4:2003 Acoustics and vibration — Laboratory measurement of vibro-acoustic transfer properties of resilient elements — Part 4: Dynamic stiffness of elements other than resilient supports for translatory motion.
ISO 10846-5:2008 Acoustics and vibration — Laboratory measurement of vibro-acoustic transfer properties of resilient elements — Part 5: Driving point method for determination of the low-frequency transfer stiffness of resilient supports for translatory motion.
ISO 10847:1997 Acoustics — In-situ determination of insertion loss of outdoor noise barriers of all types.
ISO 11094:1991 Acoustics — Test code for the measurement of airborne noise emitted by power lawn mowers, lawn tractors, lawn and garden tractors, professional mowers, and lawn and garden tractors with mowing attachments.
ISO 11200:1995 Acoustics — Noise emitted by machinery and equipment — Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions.
ISO 11201:2010 Acoustics — Noise emitted by machinery and equipment — Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections.
ISO 11202:2010 Acoustics — Noise emitted by machinery and equipment — Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections.
ISO 11203:1995 Acoustics — Noise emitted by machinery and equipment — Determination of emission sound pressure levels at a work station and at other specified positions from the sound power level.
ISO 11204:2010 Acoustics — Noise emitted by machinery and equipment — Determination of emission sound pressure levels at a work station and at other specified positions applying accurate environmental corrections.
ISO 11205:2003 Acoustics — Noise emitted by machinery and equipment — Engineering method for the determination of emission sound pressure levels in situ at the work station and at other specified positions using sound intensity.
ISO 11546-1:1995 Acoustics — Determination of sound insulation performances of enclosures — Part 1: Measurements under laboratory conditions (for declaration purposes).
ISO 11546-2:1995 Acoustics — Determination of sound insulation performances of enclosures — Part 2: Measurements in situ (for acceptance and verification purposes).
ISO/TR 11688-1:1995 Acoustics — Recommended practice for the design of low-noise machinery and equipment — Part 1: Planning.
ISO/TR 11688-2:1998 Acoustics — Recommended practice for the design of low-noise machinery and equipment — Part 2: Introduction to the physics of low-noise design.
ISO 11689:1996 Acoustics — Procedure for the comparison of noise-emission data for machinery and equipment.
ISO 11690-1:1996 Acoustics — Recommended practice for the design of low-noise workplaces containing machinery — Part 1: Noise control strategies.
ISO 11690-2:1996 Acoustics — Recommended practice for the design of low-noise workplaces containing machinery — Part 2: Noise control measures.
ISO/TR 11690-3:1997 Acoustics — Recommended practice for the design of low-noise workplaces containing machinery — Part 3: Sound propagation and noise prediction in workrooms.
ISO 11691:1995 Acoustics — Measurement of insertion loss of ducted silencers without flow — Laboratory survey method.
ISO 11819-1:1997 Acoustics — Measurement of the influence of road surfaces on traffic noise — Part 1: Statistical Pass-By method.
ISO 11820:1996 Acoustics — Measurements on silencers in situ.
ISO 11821:1997 Acoustics — Measurement of the in situ sound attenuation of a removable screen.
ISO 11957:1996 Acoustics — Determination of sound insulation performance of cabins — Laboratory and in situ measurements.
ISO 12001:1996 Acoustics — Noise emitted by machinery and equipment — Rules for the drafting and presentation of a noise test code.
ISO 13472-1:2002 Acoustics — Measurement of sound absorption properties of road surfaces in situ — Part 1: Extended surface method.
ISO 13472-2:2010 Acoustics — Measurement of sound absorption properties of road surfaces in situ — Part 2: Spot method for reflective surfaces.
ISO 13473-1:1997 Characterization of pavement texture by use of surface profiles — Part 1: Determination of Mean Profile Depth.
ISO 13473-2:2002 Characterization of pavement texture by use of surface profiles — Part 2: Terminology and basic requirements related to pavement texture profile analysis.
ISO 13473-3:2002 Characterization of pavement texture by use of surface profiles — Part 3: Specification and classification of profilometers.
ISO/TS 13473-4:2008 Characterization of pavement texture by use of surface profiles — Part 4: Spectral analysis of surface profiles.
ISO 13473-5:2009 Characterization of pavement texture by use of surface profiles — Part 5: Determination of megatexture.
ISO 13474:2009 Acoustics — Framework for calculating a distribution of sound exposure levels for impulsive sound events for the purposes of environmental noise assessment.
SO 13475-1:1999 Acoustics — Stationary audible warning devices used outdoors — Part 1: Field measurements for determination of sound emission quantities.
ISO/TS 13475-2:2000 Acoustics — Stationary audible warning devices used outdoors — Part 2: Precision methods for determination of sound emission quantities.
ISO 14163:1998 Acoustics — Guidelines for noise control by silencers.
ISO 14257:2001 Acoustics — Measurement and parametric description of spatial sound distribution curves in workrooms for evaluation of their acoustical performance.
ISO 15664:2001 Acoustics — Noise control design procedures for open plant.
ISO 15665:2003 Acoustics — Acoustic insulation for pipes, valves and flanges.
ISO/TS 15666:2003 Acoustics — Assessment of noise annoyance by means of social and socio-acoustic surveys.
ISO 15667:2000 Acoustics — Guidelines for noise control by enclosures and cabins.
ISO/NP PAS 16248 Verification of the performances of laser profilometers used for pavement texture measurements.
ISO/NP 16254 Measurement of minimum noise emitted by road vehicles.
ISO/NP 16255 Acoustics — Compatibility between indoor and outdoor testing of road vehicles.
ISO 17201-1:2005 Acoustics — Noise from shooting ranges — Part 1: Determination of muzzle blast by measurement.
ISO 17201-2:2006 Acoustics — Noise from shooting ranges — Part 2: Estimation of muzzle blast and projectile sound by calculation.
ISO 17201-3:2010 Acoustics — Noise from shooting ranges — Part 3: Guidelines for sound propagation calculations.
ISO 17201-4:2006 Acoustics — Noise from shooting ranges — Part 4: Prediction of projectile sound.
ISO 17201-5:2010 Acoustics — Noise from shooting ranges — Part 5: Noise management.
ISO 17624:2004 Acoustics — Guidelines for noise control in offices and workrooms by means of acoustical screens.
ISO 20906:2009 Acoustics — Unattended monitoring of aircraft sound in the vicinity of airports.
ISO/TR 25417:2007 Acoustics — Definitions of basic quantities and terms.



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  • Industrial Noise Control
  • Auto Noise Test Booth/Anechoice Chamber
  • Acoustics Products For Commercial
  • Residential Noise Control
  • Sliding Folding Partition/Movable Partition
  • Noise Barriers
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  • Acoustic Consultancy

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Envirotech Other Products

  •    Acoustic Enclosures
  •   Industrial Noise Control
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  •   ECHO Barriers
  •   Acoustic Louvers Sound Attenuators
  •   Acoustic Enclosure for Machine
  •   Metallic Noise Barrier

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Envirotech Systems Limited offers the all types of certified, high performance and best quality noise barriers to resolve the noise problems. These barrier systems are sound absorptive/ reflective either one or both sides and provide excellent sound transmission loss characteristics and are easy to assembled from pre-fabricated components/materials.

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