Walk-in Freezers: Things to consider when choosing the ideal one for you.
Walk-in freezers are made of panels which have inner and outer metal skins, an insulation core, and may be equipped with cam-action locking devices. The cam-action locking systems combined with heavy-duty gaskets provide an airtight seal between panels to prevent any air infiltration. The insulation quality of walk-in freezers is often measured by the R-value; [...]