Thermo-Loc FRSTOP 60 min Fire-Rated 50mm Cavity Stop Sock - All Sizes
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Thermo-Loc FRSTOP 60 min Fire-Rated Cavity Stop Sock - All Sizes


Est Delivery between and .

Estimated Delivery Time Of 2-3 Working Days

Please note this product is non returnable and can't be cancelled once ordered

FRstop 1-hour fire-rated cavity stop sock. Designed to restrict the spread of flames within external masonry and to further minimize the effect of flanking noise pollution at wall junctions.

Key Features

  • FRstop cavity stop socks are lengths of low resin, non-combustible, rockfibre mineral wool sleeved in 35 micron polythene for on-site
  • weather protection
  • 1 hour fire integrity and minimum 15 minute insulation
  • Independently tested by Warrington Fire
  • 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
  • Meets the requirements of the Robust Detail, Approved Document B and NHBC Standards
  • Boxed in smaller quantities for convenience
Brand Timloc
Fire integrity 1 hour

Est Delivery between and .

Delivery will always take place on a weekday (Mon - Fri).
For more information on delivery visit our delivery info page.

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