Cold storage hook insulation board is a cold storage board that adopts hook connection. Compared with the traditional flat plate connection method, its connection is simpler and faster, and does not require the use of screws and other connectors.

Cold storage hook board is usually produced manually (semi-automatically) and was once the main type of cold storage insulation board. With the large-scale application of fully automated production lines, the market share of hook boards has decreased year by year.