The SPAB Research Report 1: U-value Report

Revised November 2012 (First published 2010)

By Dr Caroline Rye

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This report is the first in a series, which details the findings of the SPAB's Building Performance Survey, supported by English Heritage. It sets out the findings out of research work carried out into the subject of the heat loss (U-values) of traditionally built walls. It covers the research methodology and consequences of the findings. The key findings concern the differences between in situ test results and those less favourable to traditionally built walls obtained through theoretical calculation models.

Contents

1. INTRODUCTION
2. BACKGROUND
3. METHODOLOGIES
3.1 In situ U-value monitoring procedure
3.2 In situ U-value data analysis
3.3 Calculated U-value methodology (BR 443)
4. RESULTS & DISCUSSION
4.1 Results Tables
4.2 Uncertainties
4.3 In situ results - Homogeneous Walls
4.4 In situ results - Heterogeneous Walls
4.5 In situ Discussion
4.6 In situ Average U-values
4.7 BuildDesk/BR 443 Comparison Results
5. CONCLUSIONS
5.1 In situ U-values
5.2 Measured & calculated U-value comparison
6. REFERENCES

Additional Information

  • Publication Status: Completed

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