Thermo-Loc FRSTOP Fire-Rated Cavity Stop Sock

FRstop 1-hour fire-rated cavity stop sock. Designed to restrict the spread of flames within external masonry and to further minimise the effect of flanking noise pollution at wall junctions.
 
Boxed in smaller quantities for convenience.

Product Information

Thermo-Loc FRSTOP Fire-Rated Cavity Stop Sock

Product codeTo suit cavity widthDimensionsFire integrityPack integrityLead time
FRSTOP5050mm65 x 65 x 1200mm1 hour20Next working day
FRSTOP7575mm85 x 85 x 1200mm1 hour14Next working day
FRSTOP8585mm100 x 85 x 1200mm1 hour12Next working day
FRSTOP9090mm100 x 85 x 1200mm1 hour12Next working day
FRSTOP100100mm110 x 100 x 1200mm1 hour10Next working day
FRSTOP115115mm130 x 100 x 1200mm1 hour10Next working day
FRSTOP125125mm140 x 100 x 1200mm1 hour8Next working day
FRSTOP150150mm160 x 120 x 1200mm1 hour6Next working day
FRSTOP160160mm170 x 120 x 1200mm1 hour53 - 5 working days
FRSTOP170170mm180 x 120 x 1200mm1 hour53 - 5 working days
FRSTOP180180mm190 x 120 x 1200mm1 hour53 - 5 working days
FRSTOP190190mm200 x 150 x 1200mm1 hour53 - 5 working days
FRSTOP200200mm220 x 150 x 1200mm 1 hour33 - 5 working days
FRSTOP210210mm230 x 150 x 1200mm1 hour33 - 5 working days
FRSTOP220220mm230 x 150 x 1200mm1 hour33 - 5 working days
FRSTOP230230mm240 x 150 x 1200mm1 hour33 - 5 working days
FRSTOP240240mm250 x 150 x 1200mm1 hour33 - 5 working days
FRSTOP250250mm260 x 150 x 1200mm1 hour23 - 5 working days
FRSTOP260260mm270 x 150 x 1200mm1 hour13 - 5 working days
FRSTOP270270mm280 x 150 x 1200mm1 hour13 - 5 working days
FRSTOP280280mm290 x 150 x 1200mm1 hour13 - 5 working days
FRSTOP290290mm300 x 150 x 1200mm1 hour13 - 5 working days
FRSTOP300300mm320 x 150 x 1200mm1 hour13 - 5 working days

  • 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
  • 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
  • Satisfies all NHBC requirements
  • Complies with all relevant Building Regulations
  • Meets all relevant British Standards
  • LABC regstered detail
  • Independently tested to BS EN 1366-4:2006 +A1:2010
  • Manufactured using Rockfibre mineral wool
  • Rockfibre uses no CFC’s, HCFC’s in the manufacturing process
  • Thermal conductivity of Rockfibre insulation 0.037w/mK
  • To calculate quantities divide the overall length of the required cavity wall run by 1.2m, allow an additional unit for each corner for cutting. Always round up to the next whole number.
  • Determine and stipulate the cavity width that FRstop needs to suit
  • The accredited construction detail published by DCLG require a minimum overlap of 30mm between the window frame and cavity closer.
  • Cut into required lengths allowing the jamb section to overlap the sill section by cutting away parts of the fixing flange and butt the underside of the lintel.
  • For second fix applications, the cavity closer is pushed into the open cavity after building work is complete. The compressible nature of the exposed insulation material is used to create a friction fit in the cavity, alternatively the insulation can be trimmed to fit using a sharp knife.
  • Fixing nails to the flanges are recommended to ensure a secure fit.

F30 Accessories/sundry items for brick/block/stone walling
Clause
370 PREFORMED CAVITY TRAY / ACCESSORIES
• Manufacturer: Timloc Building Products, Timloc House, Ozone Park,
Howden, East Yorks. DN14 7SD. T: 01405 765 567 W: www.timloc.co.uk
• Types(s) and location(s): FRstop – thermal and acoustic fire stops to be
installed vertically and horizontally as work proceeds. Position where a
party wall meets the cavity wall or at floor levels, supplied in 1.2m lengths
and butt jointed.
• Reference: FRstop

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