Part of Historic Environment Scotland

Technical Paper 23

This report examines two inexpensive methods for improving the thermal performance of single glazed sash and case windows; the use of insulated shutters, and a window film applied to the existing panes. Both techniques were trialled at Wee Causeway, a detached 18th century cottage in Culross, with the success of each approach analysed in relation to thermal transmittance measurements taken in-situ, together with those calculated using proprietary software programmes.

  • Audiences

    Planners and Owners, Conservation and Heritage Enthusiasts

  • Date Published

    01 January 2014

  • Publisher

    Historic Scotland

  • Publication Types

    Technical Paper, Technical, Advice & Guidance

  • Format(s)

    Download PDF

    Technical Paper 23 (2.47 MB)
  • Language


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Thermal assessment of internal shutters and window film applied to traditional single glazed sash and case windows.