Metallic Anechoic Wedges

The Metallic Anechoic Wedges are soundproofing wedges that can be used to insulate sound from surrounding areas. These wedges are made with a perforated metallic sheet, acoustic foam, and fiberglass tissue paper pasted from inside in a perforated sheet. The perforated sheet shall be powder coated in any shade.  They are a versatile and cost-effective solution to soundproofing that can be easily installed in a variety of different places.

Envirotech Metallic Anechoic wedges can absorb a high range of frequencies. They are the best noise-reduction earplugs in the world. The wedges are made of a unique soundproof material that can be used for various applications. They are designed to protect from loud sounds in environments such as airports, construction sites, and nightclubs. We are manufacturer of Metallic Anechoic Wedges and Metallic Wedges Chamber. We work with our expert team in PAN India.

metallic-anechoic-wedgesmetallic- anechoic-wedges metallic-anechoic-wedges


Technical Specifications of Metallic Anechoic Wedge

Envirotech Metallic Anechoic wedges are constructed of GI mesh with 42% free area or customized for maximum absorption and shall be filled with high-quality sound-absorbing material fiberglass/ Rockwool conforming to BS (British Standard) 476, ISO 1182 & IS 3808. The material used shall be flameproof and fire-retardant & confirming to BS 6853 (toxicity index 0.65) – NON-EMISSION OF SMOKE and TOXIC GASES.

Material: Perforated GI mesh filled with acoustic fiberglass conforming to BS 476.

Shape: Triangular tip with parallel piped base.

Outer shell: Perforated GI sheet.

Color: Powder-coated off-white shade / Color choice of the client.

Acoustic Insulation filler: Confirming to ASTM C 423 / ISO 354; NRC> 0.95, Fire Resistance, high durability.

Free Field Room: A room whose walls, ceiling, and floor are lined with sound-absorbing materials to minimize all sound reflections, also known as an anechoic room.


  • Guaranteed acoustic performance, with very low cut-off frequencies.
  • Compliance with international test standards, including ISO 3745, ISO 3744, and ISO 26101.
  • Superior fire and impact resistance.
  • Greater durability and a longer lifespan.
  • Ease of cleaning to ensure an “as new” appearance throughout their working life.
  • A bright, healthy, and safe working environment for test personnel.
  • Bespoke paint options are available to match corporate colors.