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Seal of approval for damp-proofing

PETER Cox Preservations remedial damp-proof coursing system has received renewed British Board of Agrement (BBA) certification more than 20 years after it first received it. Peter Cox developed the system in 1955. It involves saturating a course of mortar, brickwork, blockwork or masonry with a water-based siliconate. Selby Abbey and York Minster have both benefited from the damp-proofing over the past 40 years.

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