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These are panels with 60, 80,100,120,150 mm thickness.
Sandwich panel is a three layers construction with zinced paint and covered by protective polyethyle film from the both sides and innage of hard foam polyurethane as heat insulating material of high quality with coefficient of thermal conductivity K=0,022 Watt/m2K between them.
The panels may have 3 kinds of joining in form of double tongue-groove,tongue-groove with additional lock joining that prevents from the formation of the " bridges of cold" and panels freezing on the joints. The panels thickness allows using them in the cold stores and cold stores construction.
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