Historic Scotland Refurbishment Case Studies: Newtongrange - Installation of room and coom insulation and secondary glazing

Historic Scotland Refurbishment Case Studies: Newtongrange - Installation of room and coom insulation and secondary glazing

This case study is one in a series of Refurbishment Case Studies and follows the theme of thermal upgrades to traditionally built properties in Scotland. This project focussed primarily on coom ceilings, that is the sloping ceiling in a habitable room that is wholly or partially within a roof-space. These areas have previously been difficult to insulate without stripping out internal linings, often leading to loss of historic fabric, disruptive building work, and the expense of new materials and labour. This project sought to demonstrate that effective thermal upgrades were possible for coom ceilings without excessive cost and disruption for the owner and extensive removal or damage to the fabric. For the project to be successful, it was felt important to use ‘vapour-open’ materials which allow the free transmission of water vapour through the building envelope. This is particularly important for roof spaces or coom ceilings, where there is often considerable water vapour build up combined with changing temperatures, making condensation an important consideration. Published in 2014.

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