Flemish to English Tech/Engineering History

Voormalige **stapelhuizen** bieden onderdak aan het Fotografiemuseum, het Museum voor Hedendaagse Kunst.

At first I thought that stapelhuizen would simply be a strange word for warehouses (pakhuizen), especially since they were discussed in the previosu sentence, but then a red flag jumped up in my head and good old Google came up with this:

http://www.vvia.be/publicaties/iev_020.htm

Any ideas what the translation for this type of building would be?

TIA