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Lime was employed in the construction of nearly all old buildings in Britain. An understanding of this versatile natural material is fundamental to their conservative repair and long-term protection.

The unnecessary replacement of old timber windows is of continuing concern to the SPAB. Such work can diminish both the character and value of an older building. Neighbouring properties could well suffer too.

Limestone is the raw material not just for lime but for other products that benefit old buildings. In the form of whiting, one of its uses is as an important constituent of soft distemper paint. This article looks at the characteristics of this once common finish.

Clay pantiles are one of our great vernacular roofing materials, and a sound understanding of them is essential in ensuring their protection. But while they share characteristics with plain tiles, there are some important differences. 

Old metal-framed windows can be beautiful and form an intrinsic part of many historic buildings. The extent of their unnecessary replacement is still of concern to the SPAB. Even where they are apparently beyond repair, closer inspection can reveal opportunities for conservation. This article deals with problems ranging from draughts and distortion to damp and 'rust jacking'.