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Thermo-loc FR60 150+ 60 Minute Fire-Rated Cavity Closer

Fire rated barriers for eliminating damp and cold bridging around doors, windows and sills for cavities over 150mm up to 300mm

Independently tested by Warrington Fire to achieve 60 minutes fire-rating and minimum 15 minutes insulation.

Suitable for cavities over 150mm up to 300mm.

Compliant with Building Regulation Approved Documents C, B, L1 and L2 and satisfies BRE document ‘Thermal Insulation: avoiding risks’.

Uses:

  • To close the cavity at external doors, window jambs and sills
  • To provide thermal insulation and prevent ‘cold bridging’
  • To provide a DPC at external doors, window jambs or sills
  • 60 minutes fire rating and minimum 15 minutes insulation
  • Suitable for cavities above 150mm up to 300mm
  • Suitable for timber and masonry walls
How To Order Full Datasheet

Product Information

Thermo-loc FR60 60 Minute Fire-Rated Cavity Closer

Product CodeDescriptionCavity WidthLengthPack QuantityLead Time
FR60/175Thermo-loc FR60 150+175mm2.4m27-10 working days
FR60/200Thermo-loc FR60 150+200mm2.4m27-10 working days
FR60/225Thermo-loc FR60 150+225mm2.4m27-10 working days
FR60/250Thermo-loc FR60 150+250mm2.4m27-10 working days
FR60/275Thermo-loc FR60 150+275mm2.4m27-10 working days
FR60/300Thermo-loc FR60 150+300mm2.4m27-10 working days
3322Fixing flange - 4 pack-50mm4Next working day
CCFIXFixing ties - 100 pack--100Next working day

  • Provides an effective DPC and thermal barrier between frame, inner and outer wall leaf
  • Thermal conductivity of 0.034W/m2K
  • Exceeds the minimum thermal resistance path of 0.45m2K/W stipulated in ‘Part L’ accredited construction details
  • Rigid profile extrusion allows both first and second fix
  • Suitable for flush jambs and sill positions (see Fig.1)
  • Durable and resistant to decay
  • Insulation option to suit your requirements both thermal and fire rated
  • Global warming potential of zero
  • Ozone depletion potential of zero
  • Independently tested by Warrington Fire
  • LABC Registered Detail
  • Satisfies NHBC Standards
  • Manufactured to BS EN ISO 9001 and BS EN ISO 14001
  • Complies with Building Regulation Approved Documents C, B, L1 & L2
  • Complies with ‘Part L’ accredited construction details
  • Complies with the Scottish Building Standards ‘Technical handbook’
  • Satisfies BRE document ‘Thermal insulation: avoiding risks’
  • Meets all relevant British Standards
  • Rigid profile extruded in grey UPVC
  • Supplied in 2.4 metre lengths
  • 50mm Rockfibre mineral wool (FR) insulation 0.034W/m2K
  • Polyethylene bag encapsulates insulation for moisture protection
  • Can be used in both first and second fix applications
  • Cut the cavity closer into required lengths allowing the jamb section to overlap the sill section and to butt the underside of the lintel
  • Fit the 4 metal fixing flanges 100mm from each end and 100mm from the centre line. Ensure 2 fixing flanges per insulation slab section.
  • In first fix application the cavity barrier should be nailed to the jamb/sill of the door or window frame and the whole assembly built in as work proceeds. Alternatively the barrier can be built in sections using fixing ties as work proceeds.
  • For second fix applications, the cavity barrier 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, secure nail fixing is required.
  • Joining ‘off cut’ sections should be minimised for the FR range.
  • Establish the cavity width and select the correct cavity barrier width, or the next size up to ensure the cavity can be closed
  • In jamb and sill applications, first estimate the total length of cavity barrier required, then order the correct number of individual 2.4 metre lengths so limiting joint pieces
  • Fixing ties are available for secure fixing if required (particular attention around door openings). Allow for ties fitted at 450mm centres
  • Supplied with 4 metal fixing flanges that must be slotted into place.
  • BRE Document ‘Thermal insulation: avoiding risks’ and Robust Details stipulate: “When a window or door frame is set back behind the inner face of a dense outer masonry leaf, it should overlap an insulated closer by a minimum of 30mm for BRE exposure zones Sheltered to Severe; but fully rebated check reveals for zones Very Severe’’.
  • With reference to insulation, the products in this range do not use, contain or produce Urea Formaldehyde, CFC’s or indeed any of the so called soft CFC’s, ie. HCFC’s & HFA’s. They conform to the Montreal Protocol and have an ozone depletion

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