Astro FRA Socket Box Insert

£1.66 £1.99 (inc. VAT)

Socket Box Inserts are used to restore the fire & acoustic rating of a wall

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Socket Box Inserts are used to restore the fire rating of a wall otherwise compromised by apertures and gaps following the fitting of socket boxes. This design also restores the acoustic and thermal performance of the wall and its air-tightness.

  • Easy to install putty pad alternative.
  • Single and Double socket sizes available.
  • Tested to BS EN 1363-1 | BS EN 1364-1 for up to 120 mins.
  • Provides an effective acoustic barrier to both impact and airborne sounds.
  • Acoustic performance is good, being rated at -67dB
  • Maintains the fire protection performance of the wall preventing or delaying the spread of fire.
  • Prevents or delays fire from entering a wall cavity and attacking the building structure.
  • The inserts are pre-formed to fit all common socket box types.
  • Simple and fast mechanical fixing, no adhesives, no mess.
  • Can be retro fitted to existing sockets / switches or fitted during wall construction.
  • Replaces time consuming plasterboard lining of sockets / switches.
  • The Socket box insert can be removed and replaced if additional wiring is required.
  • Unique flanged design holds the socket box insert in place during a fire.
  • Acoustic Tested to BS EN ISO 140-3: 1995 and BS EN ISO 717-1: 1997.
  • Inserts improve air-tightness at normal room air pressures.

Air leakage rates with and without socket inserts.


Brand Astroflame
Weight 0.015kg
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