This photograph is part of a batch taken by Laing to show restoration work being carried out using SBD Certite. In 1961, N M Phillips, the architect for Carlisle Cathedral started experimenting with the bonding material SBD Certite in the restoration of the cathedral. It was used on all but one of the decorated Gothic windows of the South Clerestory and by the time this photograph was taken, it was being used in the restoration of the north face of the cathedral. By using SBD Certite, Laing stonemasons were able to remove just the weathered surface of the stonework. New stone only two inches deep could be bonded to the old stone saving more of the original fabric of the building and cutting costs by a third.
This image was catalogued as part of the Breaking New Ground Project in partnership with the John Laing Charitable Trust in 2019-20.
This is part of the Series: JLP01/08 John Laing Photographic Collection Black and White Negatives; within the Collection: JLP01 John Laing Photographic Collection
© Historic England Archive. John Laing Photographic Collection
Medieval Cathedral, Conservation And Renovation, People At Work
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