fiona nicholls - retrofit experiences

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Fiona Nicholls [email protected] @FionaSCC 0161 860 7571/07794 779 352

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Post on 18-Nov-2015




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Fiona outlines work on his whole house retrofit.


  • Fiona Nicholls

    [email protected] @FionaSCC

    0161 860 7571/07794 779 352

    mailto:[email protected]:[email protected]:[email protected]://

  • Possible 2b: Full fill void

    Remove joist ends, use plastic bearers and battens, membrane and fill void completely with polystyrene bead. Fill could all be one material using existing technology, e.g. blown polystyrene beads good because: Joists no longer at risk, condensation temperatures are only found in materials which cannot rot Sleeper walls pose no condensation risk or thermal bridge Battens allow free circulation of air around joists which means the joists are not in contact with any

    condensation that arises on the membrane Risks Internal walls have slight condensation risk but risk of rot is minimised by replacing joist ends with plastic