raumzelle steel base plate 1, the blanket 2, outer wall with window 3, inner wall with door 4, two side walls 5 and 6 (figure 1).all elements are hollow.the upper and unterfläche from sheet of 2 mm thickness are the abgekantete u profiles from sheet to 15 - 30 cm distance kept flush to be closed.the insulation is achieved through the spaces preserved in packages, from 10 to 20 in length cut and stretched aluminium foil.
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