https://www.pyroplex.com/fire-sealants/intumescent-putty-pads/
Putty Pads | Intumescent Putty Pads For Sockets | Pyroplex Limited
Putty Pads reinstate the fire performance of the compartment wall when penetrated by electrical outlets, reducing the need for additional backing materials
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https://firestopexpert.en.made-in-china.com/product-group/pqtASjVynIWz/Firepstop-Spray-1.html
Bessive Composite Sheet, Bessive Fire Barrier Moldable Putty & Pads products from China...
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https://www.deligo.co.uk/Products/0008002a0010
Socket Box Putty Pads - Deligo
Protect dry lining walls from fire risk. Socket Box Fire Pads to restore fire rating after fitting sockets and switches.
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