Archive storage has a specific set of requirements – boxes that stack, that keep dust out, and that a person can retrieve from a shelf. Pallet sleeve boxes get used for it, and they suit some archive applications well and others not at all.
What suits them
Boxed records. Archive cartons or lever-arch files stacked inside a sleeve box, on a pallet base, moved by pump truck. That is a pallet-sized unit of records and the sleeve box handles it well – it is enclosed, it stacks, and it can be moved without handling individual files.
The collapsible aspect is useful here too: empty boxes, when a batch is destroyed or moved on, collapse and take very little room.
What does not
Loose paper. A sleeve box is not a document box – it has no lid seal in the archival sense, no internal structure, and no protection for loose sheets. Loose material in a sleeve box ends up as a pile at the bottom and gets damaged on retrieval.
If the records are loose, box them first and put the boxes in the sleeve box. It is a container for containers, and it is good at that.
Moisture
PP does not absorb water and a sleeve box is not sealed. In a damp store, condensation forms on the inside surface and drips onto whatever is below it. For paper records that is a real risk.
Two mitigations: keep the store dry and ventilated, which is the real answer, and do not put boxes directly onto a concrete floor. A pallet base already lifts them, which is one of the few advantages of the base in this application.
Retrieval
The problem with a full sleeve box in an archive is that retrieving one file from the bottom means taking the lid off and lifting files out. That is fine occasionally and slow as a routine. Store by batch rather than by individual file, and the box works well.
Stacking
Weight is the limit, not height. Paper is heavy – a full sleeve box of lever-arch files is substantially heavier than most industrial loads the box is sized for. Check the loaded weight against what the base and the sleeve are rated for before stacking high.
Whether boxes can go into racking is a separate question and covered in can sleeve boxes go in pallet racking.
Dust, pests and the lid
A sleeve box is not sealed, and in a long-term store that means dust gets in and insects can. For records that matter, an inner carton is the protection, and the sleeve box is the handling container around it.
Treat it as two layers: cartons protect the contents, boxes make the cartons movable. Trying to make the box do both is where this application goes wrong.
Indexing
Label the box, not the cartons, and keep the index separately. A box label that lists contents gets out of date the first time a file is removed, and an out-of-date label is worse than none.
What we can do
We supply sustainable pallet sleeve boxes and will tell you what loaded weight the base takes and what the sleeve does under sustained stacking. Tell us what you are storing and for how long – if a sleeve box is the wrong answer, we will say so.