What conditions should I keep paper in?

Preservation, Storage & Insurance · Revised 3 August 2026

Labelled archival solander boxes on shelving in a climate-controlled store

Aim for a stable environment of approximately eighteen to twenty degrees Celsius and a relative humidity between forty-five and fifty-five per cent. Stability matters more than any particular figure: it is fluctuation that causes cockling, splitting and the flaking of media.

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