GIMBRETPaper & book conservation
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How should I store family papers?

How to store family papers: the simple guide

Letters, photographs, certificates, diplomas, books: where to keep them, in what, and what to avoid so they last another century.

By Mégane Gimbret, conservator-restorer · 4 min read

Conservation boxes and a window mount

Most of the damage I see at the studio could have been avoided by good storage. Here is the essential.

The enemies of paper

  • Light: it yellows paper and fades inks. The damage cannot be undone.
  • Damp and changes in temperature: mould, stains, distortion.
  • Heat: it speeds up the chemical ageing of paper.
  • Metal: paper clips, staples and pins rust and stain.
  • The wrong materials: acidic folders and cardboard, PVC sleeves, rubber bands, tape.

Where to keep them

In a lived-in room, away from light: a cupboard or wardrobe against an inside wall. Not the cellar, not the attic, not against an outside wall, not near a radiator. Ideally: a steady temperature around 18 to 20 °C and moderate humidity, around 50%.

In what

  • Acid-free conservation folders and boxes.
  • Polyester or polypropylene sleeves if you want to see the document, never PVC.
  • Flat rather than folded; gently unfold what can be unfolded.
  • Remove paper clips and staples carefully, if they will not tear the sheet.

Good habits

  • Handle with clean, dry hands, supporting the whole sheet.
  • Annotate in pencil, never pen, on the back, along an edge.
  • Digitise what you look at often, and put the original away.

Framing without harm

A framed document should sit in a conservation window mount, behind UV-filtering glazing, never touching the glass, and hang away from sunlight and radiators. See housing and framing.