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200mm FRSTOP 1HRFR Cavity Stop Sock (1200mm)

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The FRstop is a 1-hour fire-rated cavity stop sock meticulously designed to impede the spread of flames within external masonry. Its purpose extends beyond fire protection, also effectively minimising the impact of flanking noise pollution at wall junctions.

Features and Benefits:

  • Polythene encapsulated cavity stop sock
  • Available in standard widths of 50, 75, 85, 90, 100, 115, 125 and 150mm
  • Special cavity widths are available on request up to 300mm
200mm