Understanding and controlling the ingress of driven rain through exposed, solid wall masonry structures
Elizabeth A. Laycock, Christopher Wood, 2014. "Understanding and controlling the ingress of driven rain through exposed, solid wall masonry structures", Stone in Historic Buildings: Characterization and Performance, J. Cassar, M. G. Winter, B. R. Marker, N. R. G. Walton, D. C. Entwisle, E. N. Bromhead, J. W. N. Smith
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Long-term performance of historic buildings can be affected by many environmental factors, some of which become more apparent as the competence of the fabric deteriorates. Many tall historic buildings suffer from water ingress when exposed to driving rain conditions, particularly church towers in the SW of England. It is important to recognize that leakage can occur not only through flaws in the roof of a building but also through significant thicknesses of solid masonry. Identification of the most appropriate intervention requires an understanding of the way in which water might enter the structure and the assessment of potential repair options. While the full work schedule used an integrated assessment involving laboratory, field and archival work to assess the repairs that might be undertaken on these solid wall structures, this paper focuses on the laboratory work carried out to inform the writing of a Technical Advice Note on the effects of wind-driven rain and moisture movement in historic structures. The laboratory work showed that grouting and rendering were effective at reducing water penetration without retarding drying rates, and that use of internal plastering also had a very beneficial effect.
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There is considerable academic and practical interest in stone and stone buildings, as exemplified by the wide range of high-quality and innovative work being conducted in the pursuit of the effective preservation and restoration of historic buildings. This is reflected in the numerous publications on stone and stone buildings that regularly find their way into the public domain. Not least amongst these are a number of Geological Society Special Publications, which have appeared in recent years. This current volume seeks to bring to the attention of the various professionals in the field (geologists, architects, engineers, conservators and conservation scientists) recent work centred on the characterization and performance of this important resource and its use in historic buildings. The volume has wider relevance, including to those interested in the heritage of stone.