Attenuation

Product Overview

We design and build bespoke silencers specifically for extract fans. These designs all but eliminate the most noticeable and annoying feature of the fan noise, across the differing noise spectrums, making the fan virtually inaudible at the nearest house.

• Custom design/ manufacture to suit requirements
• Achieve up to 25db reductions
• High flow/ low resistance compared to ‘off-shelf’ attenuation

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• Description

  The DURAFIRE® AD access panel range is tested for installation within DURASTEEL® or other fire rated ductwork systems, and will provide up to 240 minutes fire integrity to BS 476: Part 22: 1987.

  • Tested to 240 minutes fire integrity (BS 476: Part 22:1987).
  • Suitable for high, medium or low pressure applications.
  • Six sizes to meet most frequent requirements.
  • Effective progressive action camlocks.
  • Fast and simple to install.

• Benefits

  The DURAFIRE® AD access panel range is tested for installation within DURASTEEL® or other fire rated ductwork systems, and will provide up to 240 minutes fire integrity to BS 476: Part 22: 1987.

  • Tested to 240 minutes fire integrity (BS 476: Part 22:1987).
  • Suitable for high, medium or low pressure applications.
  • Six sizes to meet most frequent requirements.
  • Effective progressive action camlocks.
  • Fast and simple to install.

• Specification

  The DURAFIRE® AD access panel range is tested for installation within DURASTEEL® or other fire rated ductwork systems, and will provide up to 240 minutes fire integrity to BS 476: Part 22: 1987.

  • Tested to 240 minutes fire integrity (BS 476: Part 22:1987).
  • Suitable for high, medium or low pressure applications.
  • Six sizes to meet most frequent requirements.
  • Effective progressive action camlocks.
  • Fast and simple to install.

• Installation

  The DURAFIRE® AD access panel range is tested for installation within DURASTEEL® or other fire rated ductwork systems, and will provide up to 240 minutes fire integrity to BS 476: Part 22: 1987.

  • Tested to 240 minutes fire integrity (BS 476: Part 22:1987).
  • Suitable for high, medium or low pressure applications.
  • Six sizes to meet most frequent requirements.
  • Effective progressive action camlocks.
  • Fast and simple to install.