A cold storage is a building or a group
of buildings with Thermal Insulation and a Refrigeration System
in which perishable food stuffs can be stored for various lengths
oftimes in set conditions of
temperature, humidity and appropriate environment to slow
down deterioration and spoilage, which would occur in a natural
environment. In some countries cold stores are known as
refrigerated warehouses. A cold store may also be defined as a
sealed structure, the internal volume of which is maintained at
a temperature generally below ambient & other conditions and
used for the storage of goods of all types, mainly foods.
The main objective is to secure an
insulated envelop which offers maximum
resistance to flow of heat and moisture
penetration from outside environment.
This requires an adequate and good
quality insulation and an efficient vapour
seal on warmer side of the insulation.
Since in case of cold storage, moisture is
given out by the products stored, hence vapour seal is desired
on the inner side of the insulation also. So in a cold storage the
insulation should be covered by efficient vapour seals on both
sides so that moisture penetration is prevented on either side
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