Lofts, garages and damp: where not to keep cards
Assess a storage location before relying on a sleeve, box or binder to protect your collection.
Judge the room before the container
A rigid case cannot repair a poor storage environment. The National Archives warns that attics, basements and outside walls can expose photographic materials to extremes and condensation. For cards, use that as a warning to assess the actual room rather than assuming a closed box solves the problem.
Questions to ask
- Has this area ever leaked, flooded or shown condensation?
- Does it become very hot or cold when the season changes?
- Can you reach the collection to inspect it?
- Are boxes close to plumbing, an external wall or the floor?
- Are there signs of pests or musty smells?
A garage or loft that is convenient for empty packaging may be unsuitable for the cards themselves. Move the collection to a more stable indoor location where possible, and address the room's moisture source separately.
Do not improvise a rescue treatment
If cards feel damp, show growth or stick together, do not force them apart or apply direct heat. Keep affected materials away from unaffected cards and ask a qualified conservator about safe handling. Replacing a wet box does not establish that its contents are sound.
For an unaffected collection, establish a simple inspection routine. Check after a leak or move, and when the season changes. The long-term storage guide explains how sleeves, enclosures and a sensible location work together.
Sources & checks
- National Archives: caring for photographs · Checked 2026-10-25