Noise barriers

Metlock series 
Metlock series offers absorptive noise barrier system developed to prevent noise from one side to another, a proprietary design solution from Greenvent to control heavy road and rail traffic noises. System is completely modular based on post and panels method, panels made of either alumunium, galvanized steel, cor-ten steel or mild steel with thermoset/polyester powder coating of any color, tongue and grooves allows muliple stacking of panels to acheive desired height. The installed systme provised an sturdy and highly aesthatic noise wall. 

Features/benefits
High acoustic insulation and absorption 
Compliance to EN 1793 and 1794 
water resistance 
25-30 Yrs of design life 
Panel thick ness 120mm 
Structure to compliance with IS 875
Light weight system- 30Kg/m2 
STC - 34 dB(A)
NRC - 0.9
Absoprtion- 18 dB(A)

Applications 
Highway, flyovers noise control 
Rail and metros noise control 
Industrial noise applications 
Commercial and residential premises 
Airports and construction sites  
 

• Item Code: MetlockMono
• Production Capacity: 5000 sqmt/month
• Delivery Time: 6-7 weeks
• Packaging Details: As per requirement

METLOCK SERIES - ABSORPTIVE METAL NOISE BARRIERS 

Metlock is a propreitary designed mon and bi absorptive niose barriers allpicable for outdoor noise control, made form roll bended galvanized steel or aluminium sheets. 
 

• Item Code: METLOCK
• Production Capacity: 5000 SQMT
• Delivery Time: 4 weeks
• Packaging Details: standard or marine packaging

Noise barreirs we design and manufacture are compeletely suitable for both traffic and industrial usage, it can be put to eleminate noise from vehicles, machines or any external or internal sources, product built with robust design keeping internation standards in general practice and installed by our trained team. General product life goes to 20-25 year and can be enhanced with some minor modifications. 

we design and develop customize solutions for traffic and outdoor noise control, widely applied for metros, highways, raiways, flyovers, highspeed trains etc. 

Greenvent has developed multiple solutions for different applications in noise barriers segment, bespoke design and features allows clients to have freedome to fulfill all technical and non-technical requirements.  

We have 
Metlock- Metal absorptive barriers 
Reflock -PC/PMMA barriers 
Polylock- PVC absorptive barriers 
Conlock- Absorptive precast barrier
Greenflex- Plantable barriers 
Fotolock- Solar integrated noise barriers
Flexilock-- Sound curtains  
 

• Item Code: GREENVENT
• Production Capacity: 2000M2/month
• Delivery Time: subjective
• Packaging Details: As required

Flyover needs light weight sound barrier system, considering the application we have specifically designed Reflock series, series manages to provide bespoke polycarbonte, PMMA or reinforces PMMA barriers in complete transparent, translucent or opaque colours. 

Reflock is our propreitry designed system with high noise control values without obstructing the scenic vistas, panels shall be made of 2 sides UV protection PC or PMMA sheets with coated steel or aluminium perimeter frame with EPDM gaskets, individual tongue and groove panels allows multiple stacking of panels to acheive desired height. 

REFLOCK OPTIONS 
1- Polycarbonate sheet noise barriers 
2- PMMA/ Acrylic sheet noise barriers 
3- Metal reinforced PMMA barriers 

SOUND RATING
high sound ratings shall be acheived with single or double skin panels, sound ratings are directly proportional to mass. 

DESIGN AND ENGINEERING 
Greenvent offers complete freedom to client's to design as per their choices while advising the most critical paramters to obtain best possible results technically and aesthatically 

• Item Code: NA
• Production Capacity: 5000 m2/Month
• Delivery Time: subjected
• Packaging Details: standard

we offers complete noise barriers soltuions for urban and other outdoor noise applications, our propreitary designed systems are able to manage most critical problems. 
Features and advantages 
Customize design
Choice of material
EN and IS standrds validations
Bespoke sizes and shapes
  

• Production Capacity: 3000/month
• Delivery Time: subjective
• Packaging Details: Standards

Our Metlock series offers modular design noise barriers systems in steel and aluminium, panels shall be modular in specific sizes having tongue and groove cab be easily installed in H beam structures. Panel comes in both Mono and absorptive applications. Panel shall be 120mm thick having both sizes ribbes surfaces for mechanical strength, structure shall be designed as per EN 1794 or IS 875 standards. 

The complete noise wall shall be made of multile panels stacked on each other either vertically straight, curver or tilted, for addtional acoustic requirement extra resonators can be uses at top of the line, complete noise walls shall be locked on top.  
customization possible as per project or client requirments. 

• Production Capacity: 2000/M
• Delivery Time: 6-7 WEEKS
• Packaging Details: na

Metelock series 
Modular tongue and groove panels having both side absorptive surfaces, panels shall be made of either aluminium or galvanized steel. The system is generally applicable where both sides of the noise wall needs to be protected from eachother. 
System is designed to compliance with EN 1793 ans EN 1794 standards.      

• Item Code: MetlockBI
• Production Capacity: 5000
• Delivery Time: 4 weeks
• Packaging Details: As required

Reflock series sound barriers are specially developed to control outdoor unwanted sound, panels made from single or double layer PC, PMMA or steel reinforced PMMA UV protected sheets combined with perimeter GI or aluminium frame with tongue and groove locking system. 
Panels shall be tested according to EN 1793 and 1794 road safety and noise reducing devices.

• Item Code: Reflock
• Production Capacity: 5000 SQMT
• Delivery Time: 5-6 weeks
• Packaging Details: Standard

Reflock Series - 
Noise screens made of PMMA extruded compact sheet of various thickness, framed either in Aluminium or metal perimeter section with EPDM gaskets, system is modular with tongue and groove locking system allows multiple stacking of panels to acheive desired height. 

Noise screens can be fixed either with HEA/HEB beams or rectangular or pipe sections with pressure pads. 

Sheet thickness - 15,20,25mm 
Standards - EN1793 and 1794 
Color - Transparent, translucent or complete opaque with many color options 

Type of noise screens - Single layer or double layer with perimeter frame 

• Item Code: ReflockPMA
• Production Capacity: 5000/M
• Delivery Time: 4-5 weeks
• Packaging Details: Standard

Reflock series- Reflock series offers transparent type of noise barriers system for traffic noise control. Panels shall be modular made of compact UV protected polycarbonate, PMMA or steel reinforced PMMA sheets, encase in Aluminium or galvanized steel frame, Tongue and groove locking allows vertical stacking of panels to acheive required height. 

Complete bespoke solution shall be designed to achieve acoustic and non acoustic requirements of project, screens can be made of different thicnkess in single or double skin layers, shall be properly installed within H beam frame with gaskets and cleats, additiional options like bird protection and safety ropes shall be provided for safety. 

Type of noise barriers- 
Polycarbonate noise barriers 
PMMA noise barriers 
Steel reinforced PMMA noise barriers 

Applications - Metros, highways, flyovers, public places, construction sites, railways etc 

Features
Lighweight and easy to install 
High transparency leveles  
UV protection for longer life
Fire, smoke and debris control 
No maintenance 
Different colours available 

Codes of practive 
EN 1793 and EN 1794 road traffic and safety devices measures  

• Item Code: TPN-Reflock
• Production Capacity: 5000 sqmt/month
• Delivery Time: As per quantity
• Packaging Details: As required

we offer complete solutions for noise barriers as per project specific requirements, solutions shall be designed as per IRC guideleines, based on EN regulations. 
Our products are tested as per EN 1793 and 1794 standards. 

• Item Code: GREENVENTNB
• Production Capacity: 5000 M2/month
• Delivery Time: 2 Months
• Packaging Details: Standard

Greenvent Acoustic with its wide array ofproduct and solution is countering thesituation, we offer well advanced andtechnically sound noise barriers solutionswith complete design, geographical analysisand solution designThese solutions are designed and validatedwith IS and EN standards

• Delivery Time: one month