Williamson , Julio Bros and Stinson, Jon and Currie, John (2013) Historic Scotland Technical Paper 19 - Monitoring thermal upgrades to ten traditional properties. Technical Report. Historic Scotland.

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Abstract

This report describes the work conducted by the SEC at Edinburgh Napier University for Historic Scotland, measuring the U--‐value, or thermal transmittance, through elements of traditionally constructed buildings. These measurements are a recognized indication of the thermal performance of a building element. The U--‐value is an indicator of the heat transfer through each square metre of a building element, for a given temperature gradient, measured in watts per metre squared, per Kelvin [W/(m2 K)]. The properties featured in this report are typical examples of pre--‐1919 construction types in Scotland. All of the properties are of traditional construction (solid walls), and some properties are listed. Most are constructed from lime--‐bonded rubble or ashlar stonework, typically 400 to 600 mm thick, with natural slate or tile roofs, timber windows and doors. The properties in the report were part of the Historic Scotland Refurbishment Case Studies and represent a range of building types from across Scotland. This Technical Paper describes a study assessing in situ measured U--‐values from arrange of traditional building elements and components, namely walls, floors, ceilings, coombs and timber doors and windows. After measuring the U--‐value of the original building envelope, each property underwent thermal upgrading in the form of insulating materials being added to various elements. After thermal upgrading, the U--‐value was measured again, the object being to compare the pre--‐ and post--‐ ntervention U--‐values and quantify the thermal improvements. In the following sections, the methodology that was used for the testing of U--‐values in situ is explained (Section 2) and the fabric interventions used to improve the thermal performance of the buildings are outlined (Section 3). The ten case studies are then described, including the interventions carried out and the pre--‐ and post--‐intervention U--‐value results (Section 4). The report finishes with an analysis of the U--‐value measurement data (Section 5), before drawing conclusions (Section 6). Other work conducted by the SEC relating to the thermal transmittance values of Scottish properties are published in Historic Scotland Refurbishment Case Study 1 (Historic Scotland, 2012).

Item Type:	Monograph (Technical Report)
Uncontrolled Keywords:	U-value, building envelope, insulation
Subjects:	English > Building Envelope > Insulation
Depositing User:	Universitetsadjunkt Susanna Carlsten
Date Deposited:	03 Oct 2014 12:22
Last Modified:	29 Aug 2016 13:06
URI:	http://eprints.sparaochbevara.se/id/eprint/797

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