Thermo-Pro Thermo Bead EWI Thermal Break Jamb (RSA) GBS M21 265E G#9490

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Thermo-Pro Thermo Bead EWI Thermal Break Jamb (RSA) GBS M21 265E
Enviroform Solutions Ltd

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Thermo-Pro Thermo Bead EWI Thermal Break Jamb (RSA) GBS M21 265E
Enviroform Solutions Ltd.


Use with NBS Specification M21 and merge in

Draft Specification clauses

M21     INSULATION WITH RENDERED FINISH (EXTERNAL WALL INSULATION EWI)

To be read with the Preliminaries/General conditions[ A10-A55 and A90]


Thermal Break To Window/Door Opening Jambs Within EWI
265E    THERMAL BREAK TO WINDOW/DOOR OPENING JAMBS WITHIN EWI

  • Drawing Reference(s): [________]
  • Constructive Details Ltd.:
  • CD0107 Thermo-Bead
  • Reference Documents:
  •             Constructive Details Ltd.:
  •             A handbook of thermal bridging details incorporating Instaclad insulated themal profile solutions
  • Book 8 — Cold bridging solutions for insulating on retrofit External Wall Insulation
  • Substrate: Existing 1 Brick thick solid brick/masonry wall; fair faced externally; plastered internally.
  • Existing window or door in position against masonry opening jamb.
  • Opening Jamb Insulation Bead: Thermal conductivity insulation to jamb, from outer face of window/door to outer face of masonry.
  • Thermal Conductivity Insulation:
  • Insulation Material: Aerogel
  • Product Reference: Spaceloft Aerogel
  • Manufacturer: Aspen Aerogels Inc. USA
  • Thickness: [5/10] mm
  • Protection: Vapour Control Layer: Foil wrapped Insulation
  • Product Reference: Thermo-Pro Thermo-Bead
  • Model Reference & Size: [
  • TB5/1: 5 x 50 x (cut from) 2500 mm.
  • TB5/2: 5 x 75 x (cut from) 2500 mm.
  • TB5/3: 5 x 100 x (cut from) 2500 mm.
  • TB5/4: 5 x 125 x (cut from) 2500 mm.
  • TB5/5: 5 x 150 x (cut from) 2500 mm.
  • TB10/7: 10 x 50 x (cut from) 2500 mm.
  • TB10/8: 10 x 75 x (cut from) 2500 mm.
  • TB10/9: 10 x 100 x (cut from) 2500 mm.
  • TB10/10: 10 x 125 x (cut from) 2500 mm.
  • TB10/11: 10 x 150 x (cut from) 2500 mm.]
  • Profile: pressed/extruded angle
  • Metal: Aluminium
  • Finish: Powder coated to work section Z31
  • Colour: not exposed, no colour requirements,
  • Colour: [______], RAL/BS 4800: [________].
  • Gloss level: [________] %
  • Installation: See M21/390E
  • Fasteners: assuming brickwork and lime mortar
  • Material: [________]
  • Type: [________]
  • Size: [________]
  • Spacing: [________]
  • Apply insulation across opening jamb, against both masonry and fixed window/door frame, with angle bead outwards from opening jamb in contact with outer-face of fixed frame of window/door, to receive render system.

390E    INSTALL THERMAL BREAK TO WINDOW/DOOR OPENING JAMBS WITHIN EWI

  • See M21/265E.
  • Installation: Apply insulation across opening jamb, against both masonry and fixed window/door frame, with angle bead outwards from opening jamb in contact with outer-face of fixed frame of window/door, to receive render system.
  • External Wall Insulation (EWI) to outer face of brickwork and overlapping full thickness of jamb bead Insulation
  • External Render:
  • Overall thickness: 7 mm
  • Base coat: Applied to: outer face of EWI, Jamb face of EWI and exposed face of Aerogel to abut fixed window/door frame outer face.
  • Apply reinforcement mesh to basecoat and corner reinforcement.
  • Apply internal corner stop bead to mesh at junction with fixed window/door frame
  • Apply render top-coat to mesh and window/door stop bead.

© GBE NGS ASWS Brian Murphy aka BrianSpecMan
4th January 2016 – 5th January 2016 15:20pm


© GBE NGS ASWS BrianSpecMan aka Brian Murphy
22nd January 2016 – 24th January 2016

Thermo-Pro Thermo Bead EWI Thermal Break Jamb (RSA) GBS M21 265E
Enviroform Solutions Ltd
See Also:


GBS Robust Specification Clauses (RSC)

GBE Robust Specification Work Section (RSW)

GBE Robust Specification System Clause (RSS)

GBE Robust Specifications Accessory Clause (RSA)


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© GBE NGS ASWS BrianSpecMan aka Brian Murphy
22nd January 2016 – 30th January 2016

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