PERFORATED METAL ACOUSTICAL PANELS
Have You Heard About Our Acoustical Solutions?
-
Round accoustical perforated cover -
Perforated Speaker Grill Cover
Perforated Metal's Role in Noise Abatement
Perforated Metal in Acoustics
Perforated metal is the primary component in the manufacturing of noise control systems and noise control products. When perforated metal is used as a decorative cover or as protection for an acoustical material, the sound waves travel right through the “transparent” metal to the material underneath that reflects, scatters or absorbs sound in a certain way. Choosing the best metal that allows for greatest sound transparency is the goal. To do this, Hendrick professionals consider the metal gauge, hole size, amount of open area and sheet thickness that work best in each particular application for perforated metal sound absorbing panels.
Perforated metal can also be used as a resonant sound absorber, which means that it acts to decrease or eliminate sounds in a narrow frequency range. In this case, the holes are designed to control air motion in response to specific frequencies. Here, the perforated metal is not “transparent,” but assumes an active role in concentrating the absorbed sounds into a specified frequency range. We can provide noise abatement metal solutions for even the most complex acoustical challenges in a variety of perforated patterns.
Uses of perforated metal in acoustics:
- Baffles
- Speaker grilles
- Ceiling panels
- Wall panel systems
- Sound rooms
- Music rooms
- Concert halls
- Gymnasiums
- Hearing test rooms
Perforated Metal in Noise Control
Noise control — in the form of perforated metal acoustic wall panels and perforated metal acoustic ceiling panels — helps to make human environments safer and more comfortable. Excess noise is not just unpleasant; it can damage hearing and increase stress levels as well as hypertension. Acoustical panels made from perforated metal absorb sound waves, reducing noise, making work and living environments more pleasant, and helping to safeguard our hearing and overall health.
Perforated Metal For Power Generation Enclousres
Perforated metal sheets are crucial for improving the safety, security and performance of various power generation equipment. The following are the major ways to use perforated metal panels for power generation:
Sound Absorption
Heavy machinery and equipment make power generation facilities noisy environments. Perforated metal sheet enclosures absorb and dampen sound waves from equipment, dampening the noise. You can customize the holes to enhance the sheet's soundproofing and improve acoustic performance. These sound barriers create a healthier and more comfortable working environment while promoting compliance with stringent noise control standards and regulations.
Improves Airflow Management
Power generation equipment requires proper ventilation to perform optimally and reliably. The holes on perforated sheets enable efficient thermal management by improving heat dissipation. They allow hot air to escape into the environment and cooler air to circulate the equipment, maintaining safe operating temperatures. By mitigating thermal stress, overheating and heat buildup around power generation equipment, they improve longevity and minimize maintenance costs.
Enhance Safety and Security
Perforated metal enclosures play a crucial role in enhancing the safety and security of critical electrical equipment. They create a secure barrier against unauthorized access and vandalism. Choose high-quality materials like aluminum and stainless steel to deter any potential intrusions. You can use perforated metal sheets to construct metal power generator enclosures, machine guarding, window grilles and fencing.
Enhance Durability and Longevity
Power generation plants expose electrical components to various hazards, including moisture, extreme temperatures, debris, dust and other contaminants. Safeguarding equipment using perforated sheets protects it against contaminants, environmental conditions and other hazards that impact the durability and longevity of power equipment.
Material and Design Options
The following factors are important when it comes to acoustical applications:
- Materials
Common materials used for perforated metal speaker grills and other products include stainless steel, aluminum, Inconel and titanium alloys. - Hole Shapes, Sizes and Patterns
While a staggered pattern of round holes is generally used, other shapes and patterns are preferred for some applications. Smaller hole sizes are better for noise control than larger sizes. - Metal Shape
Bent or corrugated metal works better than flat metal sheeting. These shapes not only control noise, but they offer visual interest, too. - Perforation Patterns
Why Hendrick?
Hendrick has 145+ years of experience in industrial noise control methods. Our engineering noise control capabilities allow us to provide metal solutions for the transportation, manufacturing, appliance, interior environment (HVAC), hospitality and music industries. Customers around the world count on Hendrick for help in evaluating their application and creating the best acoustical solution for their unique needs. And we can help you, too!
