Gi Perforated Sheets

Perforated metal is the primary component in the manufacturing of noise control systems and 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, Legends the merchant group professionals consider the metal gauge, hole size, amount of open area and sheet thickness that work best in each application.
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