Switch Box Covers - TENMAT

TENMAT Firefly 109 Fire and Acoustic Socket / Switch Box Covers are a cost effective and simple solution for protecting electrical switch and socket boxes when fitted in fire and acoustic rated walls. The intumescent material fully encases the socket to provide an acoustic seal but in a fire situation it expands and seals the hole made for the sockets to limit fire spread for up to 120 minutes.

The Socket Box Covers are pre-formed and can be installed in seconds without assembly or adhesives. The simple mechanical fix ensures the cover will not be damaged or removed if the socket is replaced or adjusted providing peace of mind for the installer. Offering significant labour and cost savings over plasterboard lining or putty pad solutions, the Socket Box Covers are available to suit both single and double sockets.

 Switch Box Covers – Additional Info

  • 2 Hour Fire Rating
  • BS and EN Fire Tested
  • Acoustic Rating
  • Fits in seconds
  • No adhesives, no mess
  • Simple mechanical fix
  • Prevents or delays fire from entering a wall cavity and attacking the building structure
  • Cover even works when fitted back-to-back in uninsulated walls
  • Provides and effective acoustic barrier to both impact and airborne sounds
  • The covers are pre-formed to fit the boxes
  • Can be fitted in dusty conditions
  • Can be retrofitted to existing sockets/switches or fitted during wall construction
  • Covers can be stapled in position if fitted during wall construction
  • Replaces time consuming plasterboard lining of sockets/switches
  • No additional screws, drilling, or support required – saves money

Fire Testing Approvals

2 Hour Fire Tested to BS476: Part 20: 1987 for both integrity and insulation
Suitable for insulated and uninsulated Plasterboard Partitions
Test No.: Chilt / IF07055

Acoustic Testing Approvals

Tested in accordance with BS EN ISO 140-3:1995 and BS EN ISO 717-1:1997 under UKAS conditions in a plasterboard partition construction.
Test No.: 237429 / Building Research Establishment (BRE)

Single or double

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